Memorial Service for Professor Tsung-Dao Lee

Memorial Service for Professor Tsung-Dao Lee Shanghai Jiao Tong University 11.7K subscribers Subscribe 4 Share Download Clip Save 239 views Premiered Aug 25, 2024 It is with deep sorrow that we announce the passing of Professor Tsung-Dao Lee, a globally esteemed scientist, Nobel Laureate, and Chinese-American physicist. Professor Lee passed away peacefully at his home in San Francisco, USA, on August 4, 2024, at 2:33 a.m. local time, at the age of 97. To deeply mourn and honor the life and legacy of Professor Tsung-Dao Lee, and in accordance with his family's wishes, a Memorial Service was held in Shanghai, on Sunday morning, August 25, 2024. The service was co-organized by Shanghai Jiao Tong University (SJTU), Chinese Physical Society (CPS), American Physical Society (APS), International Union of Pure and Applied Physics (IUPAP), Peking University (PKU), Zhejiang University (ZJU) and the CAS Institute of High Energy Physics (IHEP). Transcript Follow along using the transcript. Show transcript Transcript Search in video 0:02 Professor sual Lee once said the entire Chinese nation is like one person the 0:09 largest in the world the largest in history and the largest to 0:16 come many individuals passionate about physics have come together through their 0:22 connection with Professor Lee the Chinese physical society as a bridge 0:29 connecting phys phys ists and advancing the field of physics also shares a deep 0:34 bond with Professor Lee next I will speak as the president of the Chinese 0:41 physical Society fellow physicists around the 0:48 world today We Gather at the Quest for Infinity Hall Of The salii Institute to 0:56 commemorate a thinker and exploer who view the cosmos and or existence through 1:02 the philosophical lens of science professor salii in his Popular Science work 1:08 Symmetry and asymmetry Lee refer reference the Asian 1:13 Chinese Point Yen Masterpiece tm1 in Chinese translated as quest for Infinity 1:21 which he believed contained Humanity's earliest amusings on the laws governing 1:27 Celestial motions recognizing Master's parent importance in understanding the 1:34 universe it is for this reason that I have borrowed two verses as the title 1:39 for my speech today the edge of the ninth Heaven extends to where and what 1:45 does it rely on for connection these poetic lines probe the fundamental 1:50 Dynamics permitting all of creation a lifelong inquiry for Professor Lee that 1:57 inspired the name of this Grand sperical auditorium at this main venue of the 2:03 memorial service on behalf of the Chinese physical Society I reflect on TD's 2:10 contributions to our organization and the development of physics in China 2:16 furthermore I wish to recount some personal memories of my encounters with 2:21 TD to send my condolences TD's entry into the physics 2:28 was Guided by the luminary figures he studied under at jown University and 2:33 National Southwestern Associated University luminaries 2:44 like Jo and J these Pioneers laid the foundations 2:52 for modern Chinese physics and were founding members and active participants 2:57 of the Chinese physical Society not only did they impart knowledge but 3:04 they also conveyed the Deep sense of national pride and an educational philosophy focused on creating 3:11 opportunities for young people values that profoundly influenced Professor 3:16 Sali Lee since 1972 Professor Lee made numerous visits 3:23 to China laying the foundation for the cultivation of Chinese physics talents 3:28 in 1976 he led initiative that send dozens of Chinese physicists to train at 3:34 cutting H high energy institutions abroad this first wave of salii Scholars 3:41 became the driving force behind high G physics in China then in the spring of 3:48 1979 TD delivered a three-month lecture Series in Beijing that boosted Chinese 3:54 scientist's understanding of global scientific Frontiers and modern research methodologies 4:00 kickstarting what would later be remembered as China's scientific spring Between 1979 and 1989 at a 4:08 critical moment when China s to Foster Elite young steam Talent TD spearheaded 4:15 the kaspia program a groundbreaking collaboration physics graduate training 4:20 between China and the US under his guidance this initiative nurtured 915 4:26 outstanding scientific luminaries and leaders across the the spectrum of FS 4:31 this endeavor marked a pivotal advancement in educational cooperation between the two Nations one of TD's 4:39 greatest concerns in longstanding efforts was the scientific cooperation between China and the United States in 4:46 1979 through his persistent efforts in negotiations Sino us high energy physics 4:53 collaboration agreement was signed during Dena Ping's first visit to the US 5:00 this establishment uh create the first bridge for scientific cooperation between the 5:06 two countries and became one of the earliest longest lasting and most fruitful areas of collaboration between 5:13 the two countries under between 2003 and 2006 I 5:20 was the head of the Chinese set of the collaboration I had the opportunity to 5:26 work under his direct Guidance with bced Sino us coroporation and resolved many 5:32 challenges in the field of scientific cooporation I earned his trust and was honored to be regarded as his close 5:39 friend across Generations in November 2006 just before I assumed the presidency of Shanghai 5:45 gelon University TD offered sincere advice expressing his wish to poster our 5:51 scientific Endeavors during his St um we had numerous candle likee 5:58 discussions at his residence on oneing Road in Shanghai which ultimately inspired him to leave a lasting Legacy 6:05 to the university this Legacy encompassed a lifetime collection his 6:11 scientific literature research papers correspondence artworks his Nobel metal 6:17 certificates former residents and so much more or intended to inspire future 6:23 Generations this generous donation paved the way for the establishment of the salii Li on minghan campus of sjtu in 6:32 December 2014 two years later The salii Institute was founded embodying TD's vision of 6:40 probing the most fundamental scientific inquiries and aspiring to be a premier 6:45 institution at the Forefront of physics and astronomy this institute is committed to expanding the frontiers of 6:53 human knowledge and reveling the intricate connections between the largest and smallest and the most 7:00 profound and fundamental laws of interactions TD once shared Symmetry and 7:06 vals the universe Beauty a symmetry births its reality he also mused truth 7:12 is science Pursuit Beauty Arts aspiration with a humanistic touch and 7:18 philosophical insights he intertwined the micro and macro words blending the 7:24 evolution of physics the essence of time the essence of life fundamental principles cut age Frontiers and the 7:31 destiny of humanity though This brilliant star has died his luminous 7:37 Legacy shall ReSound ever more to conclude my remarks I offer a couplet in 7:43 elogy of Professor salii through painstaking efforts he 7:49 Advanced his nation's scientific and technological Powers among the brilliant 7:55 mind he gathered the Next Generation stands in all of the Mind 8:00 Master Professor Sali may you rest in Eternal peace thank 8:10 you during Professor Lee's academic career he established deep connections 8:16 with physical societies around the world particularly with the American physical 8:21 society as a fellow of the aps Professor Lee's International influence 8:27 facilitated extensive academic exchange today we are honored to have the 8:32 president of APs y kikim joining us through a recorded video message please 8:38 now watch the video message from president Yong Ki Kim physical 8:44 Society we extend our deepest condolences on the passing of the 8:50 renowned Chinese American physicist Noel Laurette and APS a fellow 8:58 Professor TD chungi the word has lost a remarkable 9:05 person and an eminent 9:10 scientist Professor Lee had a profound impact on the physics Enterprise 9:17 including pathbreaking work in particle and nuclear physics as well as in 9:23 neighboring Fields ranging from Quantum field Theory to high energy neutrino 9:29 physics Professor Lee also played a vital role 9:36 in establishing Bridges between China and the United States creating links 9:43 that we are still building on 9:50 today we are grateful for his contributions to physics and to the 9:55 international physics community 10:01 in 1946 Professor Lee came to the University of Chicago and received his 10:08 PhD in 1950 under Enrico fery Nobel Laurette 10:14 and former president of the aps on behalf the of the University of 10:21 Chicago I would like to extend our sympathies to his family and to everyone 10:27 who had the privilege to to know him one of a professor Lee's lifelong 10:35 and tireless efforts was to breach the Divide between the US and China at a 10:42 time of bitter Discord between the two countries I had the privilege to know 10:50 him through the US China highs physics Corporation meetings between 2006 and 13 10:59 at deputy director of the family these annual cooperation meetings 11:06 began in 1979 with the former agreement between 11:12 China and the US to cooperate in the field of particle 11:19 physics the first major product of these efforts was the successful construction 11:26 of the basing electron pitron Collider in 11:31 China this China us Corporation stands as a shining example 11:38 of how both sides can enrich rather than weaken each 11:44 other I would like to end with some personal 11:50 anecdotes I understood that Professor Lee was born on November 11:57 24th I told him my my birthday was a day 12:02 later he responded by saying that in Chinese time he was born on November 12:09 25th but when he first applied for a passport to come to us he used the date 12:16 he was born in a US time zone thus we share the same birthday and 12:23 this made me very happy with my father 12:29 in-law his colleague in the philosophy department at Colombia University passed 12:36 away he folded a beautiful and meaningful paper crane and gave it to my 12:42 mother-in-law and the family the entire world physics 12:50 Community honors his legacy and Mourns his passing 13:06 thank you president yongi Kim not only did Professor salii excel 13:13 in his academic fa but he also played a crucial role in advancing Global scientific coporation exchange the 13:20 international Union of pure and applied physics profoundly recognizes and respects his scientific Spirit iupap 13:28 president Michael Spyro will convey his respect and tribute to Professor Lee 13:33 through a recorded video message please now watch the video message from I opap's President Michael 13:42 Spyro thank you for giving me the possibility to say few words in memory 13:49 of Professor tun Dai on behalf of iupap the international Union of pure and 13:57 applied physics the mission of iupap has always been and 14:03 is still to Foster the advancement of physics to promote collaboration in 14:10 physics and to help in the application of physics towards solving problems of 14:17 concern to humanity Professor tun da lee was 14:23 perfectly illustrating those principles first first advancing 14:30 Frontiers in physics in almost old field of things in Quantum field theory in 14:37 particle physics especially with a theory of parity violation in Weak 14:42 interactions in nuclear physics in statistical theory of equations of 14:48 states and phase transitions in fluid dynamics and in 14:56 astrophysics second promoting collaboration in physics by establishing 15:02 strong collaboration strong links between the US and China and also with 15:08 many other places and that way helping with physics towards installing peaceful 15:16 common goals iupap recognizes in Professor Tung 15:23 Dai a flagship and an emblematic figure 15:28 for physics in our time this is why iupap is 15:35 co-sponsoring this Memorial meeting iupap wishes to express its deep 15:43 and S sincere 15:52 condolences thank you president micro spiral Professor sual Le schooling took 16:00 place during a time of War in China and he attended the Southwest Associated 16:05 University a collabora institution formed by pin University UA University 16:10 and nanai University it was here that Professor Lee received systematic and 16:16 rigorous training physics and Mathematics and had the privilege of studying under steem mentors such as 16:22 T and S now we invite representatives from bacon University and T University 16:28 iiv ities to speak on behalf of the universities first let's welcome J R vice president of Baking 16:47 University respected family of Professor Sali leaders teachers and students I'm 16:54 here today on behalf of pin University as entrusted by secretary helping and 16:59 president K to extend our deepest condolences for Professor s faculty and 17:05 students from our physics department are joining us remotely from set light venue at pingu in 3 days we will hold a 17:13 symposium to honor and remember Professor Lee he was a world-renowned scientist and educator and also a 17:20 cherished dep ping luminous and honorary Professor his journey with Bing you 17:25 started in 1945 at the national Southwestern Associated University 17:30 marking the beginning of a lifelong connection with us Professor Lee has long devoted to the development 17:38 of Bing U his contributions were instrumental in funding the Beijing Center for modern physics the Bing 17:45 University high energy physics Research Center and the center for theoretical biology in 2003 he celebrated our 17:52 physics Department's 90th anniversary with a painting titled the physics tree has grown into a forest on E of ping 's 17:59 110th anniversary in 2008 he panned a prease wishing for continued excellence 18:05 in 20122 he inspired the first Clause of our physics Talent Excellence program 18:12 with Innovation leads to Excellence Talent shapes the future last September 18:17 he marked the Department's anniversary with ping U physics a century Old Forest and a decade renewed growth Professor 18:24 Lee's deep love for his Alm has deeply touched everyone Bing you the university 18:30 has actively supported his Visionary efforts to advance science and education in China he was the driving force behind 18:38 the China us physics examination application which was led by Professor 18:43 kishan then vice president and Professor Kai haaja then director of the physics 18:48 department Between 1979 and 1988 the program sent 915 students to the US for 18:55 further studies including 202 from ping you most of these Scholars return to 19:01 China where they have become leading figures in their field in 1998 Professor Lee founded the Hing chain and Sali 19:08 endowment program to support exceptional students from ping University and other 19:14 Chinese institutions in their fundamental scientific research over the past two decades this fund has aided 19:20 over thousand undergraduates at bacing U this July Professor Ru tro from our 19:26 school of mathematical Sciences won the 2024 ronam prize he was among the first 19:33 recipients of this fund this a world is a fitting tribute to Professor leing during commitment to education and his 19:40 dedication to fostering young talents for years whenever we talk about Professor Lee's Legacy everyone ping you 19:47 is profoundly inspired by his Noble Spirit we should honor his affection and 19:53 devotion for Homeland he once liked China 19:59 as a grand Bion tree stating all of China is like one person the largest 20:04 person in the world the largest in history and the largest to come as China's great Rejuvenation moves forward 20:11 we should take his lesson to heart and strive to cultivate a new generation 20:16 with commitment to giving back we should take to heart Professor 20:21 Lee's principles on nurturing talents his groundbreaking programs have 20:27 profoundly shaped we cultivate top innovators and have become a model for 20:33 many universities one of his key 20:39 contributions was championing the establishment of the postdural system in 20:45 Chinese Mainland this system has had a Las 20:50 impact on ucation science and talent development in China today ping 20:55 University's exceptional faculty is a testment to the success of this system we should take inspiration from 21:01 Professor Lee's Fearless approach to Innovation throughout his career he consistently reached New Heights and 21:08 made significant breakthroughs in cutting age science in today's era of unprecedented 21:13 change groundbreaking original Innovations are essential for advancing science and technology and achieving 21:21 technological breakthroughs as we Face new challenges it's crucial that we Embrace and uphold Professor Le pioneer 21:28 ing mindset more than ever finally we should take inspiration from Professor 21:34 Lee's Visionary Global Outlook he overcame many challenges to forge 21:39 scientific collaborations between China and the world today as we are in a new 21:46 era and face new hurdles in international academics changes we need to carry forward his vision let's stay 21:53 attuned to Global Trends and work to strengthen International scientific coroporation 22:00 contributing our Collective wisdom for the benefit of humanity thank 22:11 you thank you let's welcome Yong deputy secretary of the CPC 22:19 tinga University committee 22:31 respected family members of Professor Sali Le esteemed guests and ladies and 22:38 gentlemen good morning today with profound grief We Gather to commemorate the life for Professor 22:46 Sali we honor his pioneering scientific accomplishments his unwavering moral 22:52 integrity and the profound impact he has had on countless lives I'm behalf of singua University I 23:01 extend our deepest condolence to the passing of Sali Lee and to the family of 23:09 Professor Sali Professor Sali was a renowned Chinese American physicist Nobel La in 23:17 physics and outstanding Tina luminous honorary professor and honorary director 23:23 of tingua Center for Arts and Sciences his contributions have left a mark on 23:29 China's scientific education high energy physics research nurturing exceptional talent and development of tingua 23:39 University Professor Lee's connections with tingua University Run Deep and 23:45 spend decades back in Spring 1945 upon transferring to the National 23:52 Southwestern Associated University the first person he sold out was Professor 23:58 te Lou from our anology department who 24:03 became his academic guar Professor Lee's Student Records 24:09 remain carefully preserved in our archives ATT testment to our enduring 24:15 Bond the founding father of more physics in China and founder of tinas physics 24:20 department taught lead the course on electromagnetism Professor Lee later 24:25 recounted how Professor y Strang standards influenced his life in Spring 24:32 1946 when commissioned by the government to recommend two physicist teaching 24:37 assistance for doctoral studies in the US Professor Udo consulted Professor 24:45 year who recommended the den sophomore year student Lee as Professor Lee 24:52 remarked Professor y was not only his enlightening Mentor but a lifelong 24:57 influence on his scientific achievements even as he pursued graduate 25:03 students abroad Professor Lee's devotion infection to his homeland and to tingan 25:10 never wavered in 1979 he initiated and organized The 25:16 Landmark China us physics examination and appliation program recommending 25:22 outstanding students for Advanced Training in America a pile near nearing 25:28 model addressing China's urgent need for top Thailand 40 UA Scholars enter this 25:34 program many now at the Vanguard of global Innovation or making pivotal disciplinary 25:41 contributions in the mid 1980s heaing Professor Lee's advocacy 25:47 China officially instituted its post-doctoral system nurturing the advanced 25:54 researchers it crucially needed on the eve of Tim's 91st 25:59 anniversary its first postdoctoral fellows returned for a celebratory event 26:05 and Professor Lee panned a commemoratory inscription while sending a congratulatory letter to them president 26:12 tunang encouraging the University's efforts and progress during his May 1984 26:19 visit to China Professor Lee returned to tingua University and accepted it an honorary 26:25 professorship he frequently delivered academic lectures thereafter sharing 26:31 insights into fundamental science and mod than physics while engaging with faculty and students in 26:38 1999 at the inauguration of tingis Institute for advanced study Professor 26:43 Lee attended to offer congratulations supporting the University's basic and talent development 26:50 Endeavors a central Talent tenant guiding Professor Lee's career is his 26:57 conviction that that science and art are intrinsically intertwined it was at his urging that 27:03 uai University hosted the in augury Arts and Sciences International Symposium in 27:10 2001 concurrently unveiling our Center for Arts and Sciences with Professor Lee 27:17 serving as its esteemed honorary director over the following years six 27:24 Landmark exhibitions and conferences were successfully recognized under his 27:29 Banner elevating it to a prestigious tinga Hallmark while propelling the 27:34 development of our Academy of Arts and Design for Generations Professor Lee has 27:40 been referred by the Tina Community as a model of un wavering diligence perseverance and lofty ideals though he 27:47 has departed this world his legacy will forever Inspire us to strive for National Rejuvenation and Renaissance of 27:53 Chinese Nation as we mour in the passing of Professor s Le we also cherish the enduring Legacy he has bestowed upon 28:01 us thank you thank 28:07 you Professor Sali played a crucial role in the successful development of the 28:13 Beijing electrum positum collider he not only provided essential scientific 28:19 guidance and facilitated in National Corporation but also through his Global 28:25 influence and expertise significantly advanced con of development of 28:30 BC next we invite Professor Wang e f director of The Institute of high energy 28:36 physics Chinese Academy of Sciences to deliver a 28:50 speech distinguished guests colleagues and Friends good 28:56 morning We Gather here today with heavy hearts to mourn passing and honor the 29:02 life of our deeply revered Professor Sali his nearly Century long journey 29:08 leaves a legacy of invaluable wisdom worthy of being remembered and carried 29:13 forward in reflecting on Professor D's life we stand in awe of his profound Mastery of Science and wavering Patronis 29:21 and at love for advancing scientific and educational Pursuits Professor Lee 29:27 passing represents a great loss for China's scientific and technological Community from the early 1970s onward 29:35 much like many Chinese Scholars aboard Professor Lee frequently returned to China lending his advice towards the 29:41 national development through economics changes lectures and collaborations he 29:47 made contributions propelling relevant F forward it what truly set him apart was 29:53 his pioneering Vision he was never content with mere discourse and advice 29:58 instead providing constructive guidance while taking real action himself his own efforts achieved pioneering Feats that 30:05 most could scarcely even imagine the launch and construction of BC China's 30:12 first major scientific facility for high energy physics was hugely driven by Professor Lee's drum backing this 30:19 required extraordinary foresight and baldness of vision with courage and 30:24 resolve to see it through Professor Lee devoted his utmost efforts towards the promotion of the Chinese high energy 30:30 physics and the realization of the bpc making an unparal Monumental 30:37 contribution its success marked a watershed moment voting China into 30:42 International Leadership in tarum physics and laying the foundational uh laying the foundation for subsequent 30:48 large scale engineering projects for far-reaching significance earlier Professor Lee broke 30:55 new ground with pioneering nutrino res Arch when plans for the diab trino 31:00 experiments were proposed devoted himself to the meticulous study while champing the initiation of the project 31:07 within China and the establishment of the tabe reactor nutral 31:13 experiment going Beyond merely advocacy Professor Lee immersed himself in 31:20 theoretical investigations pertaining to the Theta 13 parameter his pivotal 31:25 contributions extended to organizing the nutral research in the diabet area International Workshop under the 31:32 organization of C Cast which proved instrumental in the ultimate success of the experiment Professor leis and 31:39 wavering advocacy has been a Cornerstone of many of China's leading scientific facilities such as spacing catron 31:47 Shanghai catron bation neutrinos source and others with each Milestone his 31:52 congratulatory messages didn't just acknowledge the progress made they were filled with genuine encouragement care 31:58 and Joy from our humble beginnings to taking B strides from following to leading in certain areas under his 32:05 continuous guidance China's high energy physics Endeavors have found the path to consistent 32:11 success I anticipate our homeland making even greater strides in this area 32:17 expressed by Professor Lee as a globally acclaimed physicist Professor Lee stands 32:23 not only as a scholarly bacon but also a figure deeply devoted to his Homeland he 32:29 advocated for institutionalizing and nurturing talent in the scientific FS leveraging his status and influence he 32:36 sold International resources driving the establishment of formal China USI energy physics collaboration Frameworks setting 32:42 a model for China's LOM International Partnerships in basic research a cherished aspiration of his was to see 32:50 modern science and technology which he so cherished flourish and bear fruit on 32:56 Chinese soil his efforts to to promote a supportive academic environment and facilitate exchanges between domestic 33:02 and foreign institutions thereby enabling Chinese Scholars to achieve world-class research accomplishments 33:08 within their own borders Professor Lee founded the Chinese Center of advanced Science and 33:14 Technology the so-called cast in 1987 he personally LED as its director 33:20 overseeing the organization of more than 20 International conferences during the 1990s driven by a Resolute determination 33:27 to enable global coporation between bpc and leading high energy physics Laboratories via the Internet he 33:34 navigated the complexities of Chinese and US leadership this paved the way for the Inception of China's first 33:40 International internet service based on internet protocols marking the Advent of China's internet era without his 33:46 Monumental efforts this Watershed likely would have been years delayed Professor Lee fully committed to serving uh and 33:54 expressing his affection to his homeland and never wants to burden other even when getting around um became really 34:01 difficult later in his life he took care of his personal needs independently without asking for outside help or 34:06 retiring back to China he carried himself with composure refinement and thoughtfulness he mentored and guided 34:13 his younger colleagues with a fatherly approach leaving us deeply admiring his noble character time and again the 34:20 scientific and educational Pursuits Professor Lee so dearly valued have now seen remarkable advancements from more 34:26 than Beginnings China's found fundamental research as rising to Global prominence we will carry on with unwavering dedication we will honor his 34:33 aspirations by fulfilling his remaining dreams thank you 34:42 all thank you Mr W found Professor sundali was a renowned physicist and a 34:49 dear friend to mining his presence scientific spirit and every word and action left a profound and Lasting 34:57 Impression on everyone who had the privilege of knowing him next we will hear from the flb 35:04 representatives who are close friend of Professor Lee first we have a video message from Frank wiek the 2004 Nobel 35:13 LED in physics and the founding director of The sundali Institute who is 35:18 currently serving as a chef scientist he has recorded this message to express his 35:23 profound condolence for Professor Lee my friend and inspiration TD 35:30 Lee I first met TD at Columbia 35:35 University in 1973 where I gave one of my very first 35:42 seminars at that time I was still a graduate student and of course TD Lee 35:48 was already a very eminent and famous physicist having legendary physicist 35:55 having uh discovered for the violation of parody and the weak interactions among many other Stellar achievements 36:04 that are in textbooks and that I was aware of and having won the Nobel Prize 36:10 so he was on a vastly different level yet when I uh met him he was very open 36:18 and unassuming and he made me feel respected 36:23 like a colleague rather than a lowly student 36:29 besides these personal uh contacts with TD I had contacts with him kind of at 36:36 one remove at a higher level that I found quite inspiring and 36:42 awesome he was very influential in keeping Brook 36:49 Haven National Laboratory a vital place where his uh 36:56 dream his vision of physics as an experimental and theoretical Enterprise 37:01 was embodied uh he specifically uh was very 37:07 influential I think probably decisively influential in getting the so-called riken program 37:14 of largescale computing going there and supportive posts who did that activity 37:21 that was vital to the uh predictive power an experimental 37:28 verification of qcd at low energies and he also 37:35 inspired uh the heavy ion Collision uh work at at at Brook Haven 37:42 the relativistic heavy ion collider I don't think would would have happened 37:47 without his influence both as a scientific inspiration and as a political force uh 37:56 and that of course has been an extremely fruitful and productive Enterprise that 38:02 uh we all can be proud of I mentioned before his statesmanlike 38:09 achievements at at Brook Haven National Laboratory in forming institutions of 38:15 course in China he also was a great institution Builder the cpia program was 38:22 the source of life in uh Chinese 38:28 science Chinese physics connecting it with the International Community when 38:34 things were very difficult and has been very fruitful in uh forming a 38:41 generation of accomplished uh uh Chinese students allowing them to study abroad 38:47 and come back and and uh contribute to physics in a way that would have been 38:54 otherwise uh impossible and changed their lives and has changed the physics 39:00 Community for the better and last but not least uh in 39:07 recent years uh TD Lee was of course a big Catalyst in getting the TD Lee 39:15 Institute started uh in Shanghai uh in conjunction with uh 39:23 sjtu and it's now a thriving institution 39:29 with a great future before it and one more of TD Le's 39:38 legacies so it's been a life fully lived an inspiring story that starts 39:46 with difficult times in Wartime in China uh study assiduous study uh that enabled 39:56 him to go to uh study with fery at 40:02 Chicago and have early spectacular 40:08 success at an early age uh made great contributions to 40:14 science and then uh went on to be a great Statesman of science for science 40:22 uh forming a thriving family and community at Colombia 40:27 uh building things at uh Brook Haven kaspia and 40:34 TDL those fortunate enough to know him personally will remember him not only as 40:42 a great scientist but as a warm and wise human being so again a life well-lived 40:51 and uh it's uh bittersweet 40:57 that uh like all human lives it comes to an end but I think we can celebrate a 41:06 life that was fulfilled fruitful and has left a remarkable 41:17 Legacy thank you Frank now let's welcome former president 41:24 of Shanghai University academ Lin Jing 41:47 respected James Lee family members of Professor salii 41:53 director J distinguished guests gather with heavy hearts today we 42:00 pay tribute to Professor 42:05 Lee a renowned academic figure whose groundbreaking scientific 42:13 contributions have shaped the realm of research his dedication to his hometown 42:21 was also evident his work has proposed the development of science technology and 42:28 education in China in 2014 Professor Lee WR a letter 42:36 to national leaders suggesting the building of a prestigious 42:42 Research Institute at Shanghai Jon University aing to the nails SP 42:49 Institute his idea kept the attention of the national and local 42:55 leaders since 20 17 I was instructed by former president jier to oversee the 43:02 building of sundali Institute throughout this process I developed a profound 43:09 friendship with Professor 43:14 Lee Professor Lee cares deeply about the building and development of sundali 43:20 Institute we often discuss key matters through correspondence 43:27 in 2018 February and 2019 April I led delegation to San Francisco USA to 43:35 update Professor Lee on our progress an intending invitation for him 43:42 to take the role of honorary director he mentioned then he has 43:49 provided key suggestions for the development of The Institute and he 43:55 mentioned that the success recipe lies in exceptional leadership and Forward Thinking 44:01 research supported by Professor Lee we appointed Nobel 44:07 laurate Professor Frank welek as the institute's inaugural director in 44:14 September 2017 following Professor welek tenure we 44:19 welcome academic janga as a second director 44:26 [Music] under their 44:31 leadership The Institute surged to the Forefront of the global scientific 44:38 exploration delving into particle and nuclear physics astrophysics astronomy 44:44 and Quantum foundational science ER is Champaign by Professor Lee this endeavor 44:51 bear fruit yielding a series of groundbreaking research fings with global impact 45:01 the building of the Institute also received strong support from Central and National Ministries the Shanghai 45:07 Municipal Party Committee and government and various bureaus the design of the 45:12 building we are currently in was inspired by Professor Lee's philosophy 45:17 of quest for infinity and understanding the language of heaven and unraveling the mysteries of the world through 45:24 Collective effort it was completed after a three-year construction and officially 45:30 opened in 2021 in the same year Professor Lee once again reach out to party and state 45:36 leaders updating them on the institute's programs and expressing his hope for his 45:41 leading role in proposing China's Science and Technology sectors forward Professor Lee cares deeply about 45:48 the building and development of The Institute and this is also supported by 45:54 many leaders and expert each China his new year he would personally crafted and 46:00 design postcard based on his own paintings which was then distributed by 46:07 The sundali Institute to leaders colleagues and supporters who cares about the Institute and to convey 46:15 gratitude and Express New Year wishes this sincere gesture resonated with us 46:22 and showcased Professor Lee's hope for life and passion for life life and his 46:27 pursuit of homogenizing science and art throughout his lifetime Professor Lee 46:34 achieved academic Excellence skill new height and devote himself to his 46:40 country's programs while nurturing Talent on global scale his passing is a 46:46 huge loss for the nation and the scientific Community he lives behind a legacy of treasures he the love for his 46:54 love for this his country his rigor and refined artistic sensibilities are 46:59 deserving our lasting remembrance and continuation today in remembrance of 47:05 Professor Lee let us strive to meet his expectations uphold his values Endeavors 47:12 and further his impactful legacy thank you 47:21 all thank you aciss L AC 47:29 because of health reasons could not attend personally that's why he has 47:34 written a statement which he has asked W Trin the deputy director of the academic 47:40 Committee of the China Center for Advance science technology and professor of sunali Institute to read on his 47:47 behalf please welcome researcher w tril 48:01 Mr H is aluminous of Shanghai Delon University from 1945 to 1947 he studied 48:10 chemistry at SG before shifting his Focus to physics and later contributing 48:16 to the development of atonic bomb here is Mr H 48:23 eulogy we have received the sad news Professor Lee passed away in San 48:28 Francisco he would have turned 98 this November were deeply saddened by this 48:34 news Professor sunal Lee and I are contemporaries in 48:40 physics and we are only N9 months 48:45 apart that's why we have so much in common for 48:50 instance he once told me that he once recounted his time at the national South 48:56 Western Association University where he participated in the December 1st 49:01 movement in quing on December 1st 1945 during the chaos where the agent 49:08 attempted to address four Martyrs he was right there in the thick of it narrowly 49:14 missing a bullet that whisted past his head he humorously notes that if he had 49:21 been a bit taller history might have recorded five martas instead of four 49:29 later an array of senior physicist and chemists along with young student went 49:36 to the US to learn automatic automatic bom making among this selected by 49:45 Professor andang however due to the strict us restriction that barred out the nation 49:51 from mastering atomic bomb technology Professor Lee was forced to shift his 49:56 Focus to political science this change mirrored our own academic experiences 50:03 providing a common ground and common topic between us despite our shared 50:10 experiences Professor leoen stressed discreption he humbly claimed that his 50:15 contribution to partical physics did not significantly Advance China's cause Ness 50:23 it's important to recognize that his work greatly Advanced the scientific progress in 50:29 China on March 18th 1978 under the leadership of Vice Premier d 50:38 xaing a pivotal National Science conference took place in Beijing at this 50:45 conference a respect of group a respected group of physics advocate for 50:51 creation of a coste effective sadical physics Research Institute to boost 50:56 scientific advancement in China this proposal quickly won Vice Premier talin's endorsement leading to the 51:04 building of the Institute with Professor pan W as the Director and 51:11 professor as the deputy director setting up this institute initially felt 51:17 overwhelming overwhelming for me I hardly know where to begin however 51:22 during a timely visit to China I consulted professor sundali for his 51:30 advice he suggested that you can go to an 51:38 exploratory trip to the US to observe various thetical physics Research 51:44 Unit and to study their experience and best 51:51 practices and then Professor Lee quickly mapped out a root 51:56 and all and laid out all the budget and instantly offered 52:02 organizational support for 52:07 me following his guidance we formed a delegation including 52:18 Professor this team went down to a three month tour across the US to study how us 52:25 done research in this field view this trip was very eyde opening and 52:32 we have met many peers in this field and Professor Lee also recommended us to the 52:39 ston broke at the State University of New York to study with Professor chaining Yang then during our trip we 52:48 also reconnected with Professor marar who we had first encountered at the nice 52:55 International highend physic conference in Q in 53:01 1959 I was curious about the driver of the America sustained growth I inquiry 53:06 about key contributors Marsh revealed that about 17th of Americans are 53:13 committed to the nation's Prosperity that's the true backbone of America 53:20 later we shared Insight with Professor Lee at Columbia University I told him 53:26 what Professor Marsha told us and Professor Le validated 53:33 that Mr marach was right and he also validated this 17s 53:41 indeed support America's success Professor Lee later recommended several impactful initiatives to Chinese 53:48 government including a postto system a a special program for gifted young student 53:54 and also the Casp program to send Chinese student 54:03 abroad I always believed that Professor Lee is a true lover to his country and 54:11 he has done concrete actions to support his ideal and his 54:19 love for his country Professor Lee is a scientific 54:40 luminary thank you Mr W now let's 54:46 welcome CH former director of The Institute of high energy physics 55:09 distinguished guest and 55:16 friend sundali stand as one of the most towering figures of the 20th century of 55:22 physics and has made Landmark contribution to the field as a Chinese born physics Professor Lee 55:30 was dedicated to developing the science and education in China and he has 55:35 committed himself to the development of high energy physics in 55:41 China his passing away is a huge loss to the international physics community and 55:47 even a greater one to the Chinese scientific Community with deep sorrow we honor Professor Lee's tremendous 55:54 contribution to high energy physics in China from the summer of 1998 when I 56:00 become the director of The Institute of high energy physic until Professor Le's 56:06 retirement in 201 I had the privilege of working under his personal guidance and 56:12 mentorship I was inspired by his strategic vision for development of particle physics every year I would met 56:20 with Professor Lee multiple times to provide detailed report on the work of 56:25 IH CP discussing upcoming plans especially 56:31 uh coordinating with relevant National Department during our most challenging 56:36 moment Professor Lee always offered his unconditional support working to 56:41 overcome obstacles for our major projects when I first took office the IP 56:48 was in a difficult situation due to underfunding for the operation and maintenance for the Beijing electron 56:55 poson Collider VC and the renovation project had not 57:00 yet meet its Target additionally there were disagreement about the future development plans in the spring of 57:07 1999 despite challenges we achieved our renovation goal and made significant 57:14 programs in measuring our values and also Professor Lee help us secured an 57:19 increase in BC annual operating budget from 27 million to 15 million as well as 57:25 an additional know 30 million annually for 3 years for the 57:30 renovation both Professor Lee and the Chinese high energy physic Community were concerned about the future of high 57:37 energy physic in China after extensive discussion and guidance by Professor Lee 57:43 we had established the development strategy in trusted by C we formulated 57:49 the development goals for China's high energy physics and advanced accelerator which were endorsed 57:57 in principle at the seventh meeting of national science and technology leading 58:02 group The Future development of BC would follow the international standard major 58:07 renovation approach known as BC second non accelerator physics experiment 58:14 development large scale scientific research platform based on accelerators such development is a milestone in the 58:21 planning and development of China's high energy physics Professor Lee supported this strategy and was concerned about 58:28 the deployment of This research directions he fully support this 58:34 strategies through China us high energy physics talks bpc second faced intensive 58:40 competition from csrc in June 2001 I briefed Professor Lee on bpc second 58:47 during design and the competitive pressure we were up against the firmly 58:53 backed the during approach and highlighted a key point first cesr shift to focus on charm 58:59 physic underscore the importance of this VI validating that our development strategy was on the right track second 59:07 Professor Lee believed that competition had more upside than downside it would push us to raise our game draw the 59:14 attention of global high energy physic community and allow for Mutual verification of major 59:21 foundings third the urge us to fully leverage the China us physic dialog to 59:26 sh up support for BC second Lee has communicated extensively 59:32 with leaders to enhance our 59:38 budget and he become the chair of the China us dialogue he has leveraged his influence 59:46 and connection to persuade us labs to help us design and also personally work 59:54 with us to to develop our key projects in 2008 bpc second hit its 1:00:02 performance Target out shining C Sr by an order of magnitude history has 1:00:09 proven least foresight in proposing to build a 2 plus 2 gig electrovolt 1:00:15 electron poson collider in China to study charm physics bpc and successor 1:00:21 bpc second have been operating for 35 years maintaining leading Global position in 1:00:29 tank Chang physics experiment a real success story in international high 1:00:36 energy physics this refects Le scientific wisdom love for his country and 1:00:43 exceptional coordination abilities bpc has been a milestone Paving the way for 1:00:49 major national facilities like Beijing synchrotron radiation facility of a 1:00:54 light source Shanghai synchron radiation facility and China SP Neutron Source 1:01:01 playing a key role in Cutting Edge research and technological 1:01:07 [Music] selfreliance Lee was particularly supportive of the DIA Bay reactor 1:01:15 Neutron experiment and Shanghai synchron radiation facility just as these 1:01:21 contribution to the 20th century physic are Ed in history his impact on China high energy physics 1:01:29 development will be forever memorized Le dedication to 1:01:36 science Pursuit Of Truth love for his country and selfish service are shining 1:01:43 example for us all like the Majestic mountains and boundless Rivers Professor 1:01:48 Lee rever Legacy will endure the test of time may he rest in Eternal peace 1:02:08 thank you aciss CH now let's welcome acation G thing of the school of 1:02:16 physics ping University 1:02:33 distinguished jamesly distinguished expert leaders colleagues teachers and students good morning Today We Gather 1:02:40 here solemnly to commemorate Professor s and recall his contribution to the 1:02:47 development of education scientific innovation and talent cultivation in China First on behalf of all faculty 1:02:56 student at the physics department of ping University the center for advanced Quantum study the center for high energy 1:03:04 physic and the state key laboratory of nuclear physic and 1:03:09 Technology I would like to express our deepest remembrance for Professor Lee who is deeply respected and loved by 1:03:16 several generational physicists at P University the insightful remarks from 1:03:22 our respected senior have Ed my understanding of Professor 1:03:27 le as a representative of his friend I'm both honored and aware of the immerse 1:03:33 responsibility this through intels I would like to take a moment to reflect on the deep and Lasting friendship that 1:03:40 Professor Lee cherish with his college at yanan pek University spending over 18 1:03:46 years upon Professor Le's suggestion several key Institute were established at Pingu the Beijing modern physics 1:03:54 Research Center the Pingu thetical biological Center known as the Pingu 1:04:00 Center for quanitative biology and the Pingu high energy physics Research 1:04:05 Center during his tenure Professor Lee play a key role in The Joint super 1:04:10 supervis of doctor student at the University he worked closely with 1:04:15 distinguished figures such as president Shen president 1:04:21 present present present 1:04:26 who served as the Executive Vice President at that time and secretary Hing then vice president Executive Vice 1:04:34 President W and Vice President W and 1:04:42 Shen Professor Lee contribution are also marked by his presence at significant 1:04:48 academic and celebratory event he attended the 211 Century physics and 1:04:53 China development C by Scholars and POS him on 2002 and also 1:05:00 in uh six and enjoyed a reflective tea season 1:05:06 in his own 80s birthday celebration at sh and although Professor Lee hasn't been 1:05:13 able to return to Yen Yen in recent year due to heal reasons his heart has always 1:05:19 remained with his Alma M and old friend he once said that the alma m is the 1:05:24 origin from which duy is brined and then complexity and then all things my 1:05:30 relationship with speaking you remains as strong as ever in 2018 he paint 1:05:35 heartfelt letters to mour the law of Professor kongu and the 1:05:41 Han expressed Deep Emotions for his longtime friend lastly let me share a personal 1:05:49 story I first met Professor Lee back in 1985 when he came to Pingu to talk about 1:05:55 about the current and the future of high energy physics after his 1:06:01 lecture hardly anyone had questions because we were afraid to ask 1:06:07 questions with his and Euro Euro humor Professor Lee joked no questions that 1:06:12 means you all agree with me well then I'm pleased to announce that today's lecture is the most successful one I 1:06:19 have ever given the audience erupt into Applause and laughter 4 years later 1:06:24 after earning my PhD I joined the sadical physics department at The Institute of high energy physics CES and 1:06:32 was fortunate enough to met Professor Lee again he devoted himself to the 1:06:38 programs of Education SCI Tech and talent cultivation Professor Lee's wisdom humor 1:06:44 sincerity and selfishness was a natural expression of his true character and 1:06:51 they continue to inspire us going forward in recent years Jo significant Milestone such as the 35th anniversary 1:06:58 of Beijing Center for modern physic the lunch of pcking you physic Talent Excellence program and the 11th 1:07:05 anniversary of the physic Department of picking youu Professor Lee graciously 1:07:10 accepted my request to read several pieces his encouragement to me 1:07:16 personally and to all of us at picking you physic Community cannot be overstated Professor Lee will forever be 1:07:23 a part of me and all of us thank you to Sali Institute of SG the 1:07:30 Sali library and China center for advanced S tech for your invitation thank 1:07:46 you thank you 1:07:51 exam Professor sandali is a Monumental figure and he has also sewn the seeds of fire 1:07:59 he has not only set an example for us with his outstanding scientific achievements but also paved the way for 1:08:06 future generations with his broad mindness next let's welcome Jan thing of 1:08:12 the school of the gifted Yang University of Science and Technology of CH China 1:08:33 in my third year of my undergraduate program I had a great Fortune of meeting 1:08:38 Professor salii it was back in 1984 when Professor Lee paid a visit to 1:08:43 the University of Science and Technology of China representing the school of the gifted young I took part in a seminar 1:08:50 with Professor D when we first learned this news my classmates and and I were 1:08:55 filled with excitement anticipating the chance of meeting this esteemed scientific 1:09:03 figure though I've heard of uh parody nonconservation before 1:09:11 our its physical implications remained somewhat elusive to me 1:09:17 then not long after seminar started any lingering nalist was 1:09:22 gone Professor Lee excluded a warmth and friendliness that put us at least he 1:09:28 recounted his journey from New York to H China involving multiple flight connections they encouraged us to 1:09:35 Envision a person embarking on a spontaneous trip hopping from one flight 1:09:40 to another and landing in various airports world wild he proceeded to list of the names of numerous cities in 1:09:47 airports across the globe 40 years have passed yet that moment remains Vivid In 1:09:53 My Memory at that time my classmates and I had never traveled abroad even take on 1:09:59 the airplane nevertheless through Professor Le is captivating storytelling 1:10:05 we felt as so we have traveled around the world through this 1:10:11 engaging narrative Professor Lee illuminated the 1:10:17 concept of aible process in statistical physics and introduced us to 1:10:24 the notion of the direct action of time his teaching style was truly 1:10:32 remarkable making intricate scientific ideas accessible and stimulating for 1:10:37 Young Mens like ours Professor Leu was dedicated to advancing education in China as early as 1:10:44 1974 on one of his visits he put forward a plan to nurture gifted young students 1:10:50 in fundamental scientist Sciences he 1:10:56 involved the selecting small group of exceptional talented young people usually around 13 or 14 years old to 1:11:04 create an elite team of science researchers this proposal was 1:11:11 fundamental in founding the school of the gifted 1:11:20 y Professor Lee remained committed to the development of of the school of the 1:11:26 gifted Y in 2023 received a handwritten inscription from 1:11:31 him celebrating the 45th anniversary of the USC School of the gifted 1:11:40 y according to training W's recall at that age of the time Professor Lee could 1:11:47 hardly really write uh very well he had to rewrite the inscription mle times 1:11:53 until he was satisfied this marked the fourth instance where he 1:11:59 had inscribed words of encouragement for the school the first such inscriptions 1:12:04 was in 1979 shortly after the school's establishment when Professor Lee and his 1:12:10 wife Madame quing Ching jointly inscribed the world pupil's Excel 1:12:16 institution's path Propel since its establishment in 1978 1:12:24 the USD both the gifted Ian has nurtured over 1,800 students among these alumina 1:12:32 influential figures academicians from the Chinese Academy of Sciences and the Chinese Academy of engineering as well 1:12:39 as socially responsible entrepreneurs and financial leaders these graduates have met 1:12:46 Professor Lee's expectations contributing to Scientific breakthroughs and economic 1:12:53 development the school will always bear Professor Lee's words and 1:13:01 value Professor Lee's guidance viewing Talent cultivation as its sacred Duty 1:13:07 and will continue forward with determination thank you 1:13:16 all thank you Professor J next let's 1:13:22 welcome hiting l ding of the physics um Department of 1:13:30 jown 1:13:37 University dear James respected guests colleagues good 1:13:42 morning today with heartfelt reference We Gather to somly honor and remember on extraordinary physicist and 1:13:49 distinguished educator our dearly believed Professor Sali as a member of the cospo program and luminous of J down 1:13:56 University where Professor Lee studied and a fellow physicist I'm deeply SED by his passing I thank everyone for their 1:14:02 trusting allow me to speak here as a representative of the cosp students on behalf of all cospo students in the 1:14:08 school of physics at Jan University we extend our deepest condolences and highest respect to Professor Lee's 1:14:14 family and to all of those who were inspired influenced by Professor Lee throughout his life Professor Sali has 1:14:21 dedicated tremendously to the advancement of science technology and higher education in China consistently 1:14:27 prioritizing the cultivation of scientific and technological Talent within his homeland since 1972 he 1:14:34 frequently returned to China to teach and provide expert guidance intensifying his efforts particularly after the 1:14:40 economic reforms and opening up of the late 1970s Professor Lee made Irreplaceable 1:14:45 contributions to the Strategic laid out of Science Education in China cutting age researching physics facilitated the 1:14:51 training of top deer talent and promotion of international exchanges and cooperation in 1979 he initiated and implemented the 1:14:59 China us physics examination application program which selected and recommended 1:15:05 915 Scholars to pursue advanced studies in the United States cultivating a group 1:15:10 of outstanding leaders and pillars of society in 1985 Professor Le was 1:15:15 instrumental advocating for the establishment of a post-doctoral system and went on to fund the China postdural 1:15:21 Science Foundation in 1998 he initially did the China undergraduate student 1:15:26 internship training fund nurturing thousands of future contributors to basic science in China and creating an 1:15:32 important platform for the cultivation of innovative talents he consistently emphasized the mere study abroad was not 1:15:39 a sustainable strategy passionately argued that the true key to success lies in Nur young scientists was China 1:15:46 enabling them to achieve significant breakthroughs his legacy is testment to the power of focused strategic 1:15:52 Heartfield dedication to the growth of scientific capacity and National development Professor s Lee a 1:15:58 distinguished luminus of the 1943 class of Department of physics at sh Jang Yu remained deeply committed to the 1:16:04 development of jangu throughout his life actively supporting the construction of 1:16:09 the physics discipline was instrumental in shaping its growth and 1:16:14 prestiges he served for many years as the Director of Jan modern Physics Center making enduring contributions to 1:16:21 the advancements of the FI significantly elevating the stat of the center as a help for coding V research and 1:16:27 Innovation D Jang used 100th 110th and 120th anniversary Professor consistently 1:16:34 extended His blessings and support across the seas through heartfelt 1:16:39 congratulatory M messages notably at the 100th anniversary in 1997 he wrote emotionally 1:16:47 although I studied at J for only one year spent 3 years chasing after University during its westward migration 1:16:52 because of the world and those four years my years were closely intertwined with Jang yo by 2023 recognition of his lifelong 1:17:01 dedication and contributions Professor Lee was honored as the honorary chairman of the Jan University Lumina Association 1:17:08 Council in this esteemed role he continued to provide Sage advice urging the university prioritize meticulous 1:17:15 academic research and technological innovation accelerate the development of national strategic scientific 1:17:22 capibilities and contribute building a strong scientific technological 1:17:29 nation in 2021 the Jud Mor Physics Center celebrated its 30th anniversary 1:17:36 on this Milestone occasion Professor Lee personally wrote the message study nature to understand principles seek 1:17:42 truth and inovation which not only encapsulated his deep understanding of the scientific Spirit but also inspired 1:17:48 the physicists at jown University to continue pursuing Excellence Brave 1:17:53 exploration constant self transcends on August 4th local time when 1:18:01 I learned Professor Lee passing I was profoundly shocked and deeply saddened filled with imant regret to me Professor 1:18:07 Lee was not merely a respected mentor and guide but also a Visionary scientist 1:18:12 and inspiring educator the kaspia program which is single-handedly Champion not only 1:18:18 altering the Destinies of us but also deeply influencing many 1:18:23 aspects of Our Lives his historic contributions through this initiative un doubly immense without 1:18:29 kaspia there would not be the present day me and many of my peers the kaspia program opened the door for Chinese 1:18:34 students to the world providing us with opportunities to compete fairly on a global stage and pursue academic and 1:18:41 professional Excellence for this we are eternally grateful to Professor Lee his 1:18:46 legacy will continue to inspire and guide us I did my first post-doctoral work at the Brook Haven National 1:18:53 Laboratory where Professor Lee had prev made significant scientific contributions in 2012 I decided to 1:18:59 return to China fulltime this is largely influenced by Professor 1:19:04 Le years of experience have maybe deeply aware of the importance of national strength and that scientific and 1:19:10 eological Powers along with military strength are at the core of the nation's power following Professor Lee's 1:19:16 teachings I'm very willing to utilize all my strength contribute to solving the bottleneck problems in scientific 1:19:21 development I believe that all cosp students like myself have formed an indelible bond with Professor Sali 1:19:28 through our shared experience despite now working across diverse Industries and holding variety 1:19:34 of positions with the cosp Lumin your profound commonality under Professor Le 1:19:39 influence we have developed an unending interest in and deep L for science we deeply F Professor Lee's care 1:19:46 for young people and his profound concern for the National Science and Technology Enterprise therefore we filled with gratitude towards Professor 1:19:52 Lee Professor andal Le's as one of the most influential figure in 1:19:58 contemporary China and among the global Chinese scientific Community celebrating not only for his groundbreaking 1:20:04 scientific achievements but also for his profound um national pride his dedication to the advancement of Science 1:20:11 Education in China was marked by bondless enthusiasm and profound commitment he always took the future of the country and talent cultivation as 1:20:18 his own responsibility establishing the cospo program advocating key scientific research mechanism suggest the 1:20:24 postdoctural system and National Natural Science Foundation overcoming numerous diffic difficulty facilitated the 1:20:30 construction of big scientific platforms like 1:20:36 bpc and the Chinese Advanced Science and Technology Center Professor Lee not only cared 1:20:43 deeply for every young person but also created opportunities for them to pursue science igniting the flame of the 1:20:49 science in countless youth with his wisdom and enthusiasm his Relentless pursuit of scientific excellence in 1:20:54 Lifeline dedication to education exe exemplify the spirit of a great 1:20:59 scientist and educator leaving us with an invaluable Legacy of scientific knowledge and spiritual Heritage as 1:21:06 cospo students we forever cherish our gratitude and remember Professor Lee's Grace and 1:21:20 guidance Professor sali's virtues and Legacy are timeless 1:21:26 involing the qualities that transcend 1:21:35 Generations as cosp students we need to pass on this spirit and give back to the 1:21:41 development of the society and the 1:21:51 nation his dedication not only Advanced the of science but also set a high standard of moral and professional 1:21:57 conduct it is our duty to continue his 1:22:04 legacy Professor Lee forever remains a role model whose virtues continue to inspire and Propel us toward Excellence 1:22:10 I hereby submit my heartfelt tribute and endless sorrow in this speech thank you 1:22:18 acad now let's welcome representative of Sali program p HD candidate at the 1:22:25 school of environmental science and engineering 1:22:40 sttu distinguished leaders guests teachers and students good 1:22:50 morning I am Jo a doctoral candidate from the school of environmental science 1:22:56 and engineering at sttu when I saw the news of Professor Le passing on August fth I was utterly 1:23:04 shocked and saddened a flood of emotions swept me back to the summer of 1:23:11 2016 last year as a high school student from Shanghai I had the opportunity to 1:23:17 attend the SGU summer program during the camp we were organized to visit the s 1:23:24 Library this was where I first learned about the pioneering physicist who made 1:23:30 history as China's first Nobel laate seeing this globally scientific 1:23:37 giant who was also so passionate and accomplish in arts I was truly 1:23:44 inspired as a young girl who had studied Guin from a young age and cherish the 1:23:49 love for music and picture a conversation with him ready to listen to his wisdom and guidance for the Next 1:23:57 Generation Professor Lee Moto true understanding comes from studying the problem not just the answer took root in 1:24:05 my heart I aspire to emulate his courage in Venture into the Uncharted Territory 1:24:11 of human 1:24:17 knowledge one year later driven by the wish to follow his footstep I was 1:24:24 admitted to Shanghai Jon University as an S I have always felt a deep sense of 1:24:32 responsibility I applied for Jin Jun projects and take the first take my 1:24:38 first step in my research by exploring the functional material for environmental pollution control and 1:24:45 resource utilization I also joined the University's Chinese music 1:24:51 Club inspired by Professor Lee f try to blend science and art in practice 1:24:57 transforming the r ryms of nature into musical notes expressing my reflection 1:25:04 on the word and life and drawing inspiration for both mcro and micro realm I have gradually felt the 1:25:11 creativity and vitality bought by this Fusion of Science and Arts which continue to benefit me deeply in 2021 I 1:25:19 was honored with the title of jun Jun scholar as a female researcher I felt 1:25:25 immersively proud and privileged the Jin Jun academic platform has provided me 1:25:32 with Comprehensive support and guidance in nurturing science and through this 1:25:38 Pro platform I have had the privilege of meeting a group of passionate Travelers 1:25:44 on the path of research under the guidance of Professor Le we seek 1:25:49 breakthrough and collaboration in the process of challenging ourself on behalf 1:25:54 of all J Jun scholar from ping LEL 1:26:01 University and Shanghai Delon University I would like to express my 1:26:06 sincerest gratitude and highest respect to professor sundali and Miss ching and 1:26:13 their family nowadays I am a member of Jan 1:26:19 honor program the place I frequently most beside the lab is the Sali 1:26:25 Library the seed of scholarly Pursuit and diligent study I once planted have 1:26:31 now taken firm rot Professor Lee's commitment to scholarship has constantly 1:26:38 guided me urging me to undertake more challenging scientific trainings 1:26:44 and cultivate an increasingly meticulous mindset as China embarks onquest to 1:26:51 achieve its due carbon goals I'm determined to dedicate my research to 1:26:56 serving the nation I decided to direct my effort into interdisciplinary work 1:27:02 tackling environmental and energy challenges contributing toward the realization of an eco-friendly China 1:27:10 Professor Lee's towering achievement and commitment will forever Inspire us we 1:27:15 shall honor his memory by committing ourself fully to the pursuit of 1:27:21 knowledge and the continued progress of Nation Nation Guided by his persistence 1:27:27 we will strive for new scientific breakthroughs nurture the exceptional Talent of the future and dedicate our 1:27:36 effort toward the realization of great Rejuvenation of Chinese 1:27:43 Nation on behalf of all Shanghai Jon University student and junun Scholars 1:27:49 Professor Lee will leave Z forever 1:28:01 thank you the vast Sky Mourns the pillar of 1:28:07 our times and the wains and trees weep in shared sorrow across the four seas 1:28:14 our hearts are united and our thought linger for eternity at this time our 1:28:20 heart are closely connected with the professor Le's family on behalf of all 1:28:25 present at today's memorial service I extend our deepest condolence and care 1:28:31 to Professor Lee's family now let's invite Professor James 1:28:41 Lee Professor Lee's eldest son and Professor Angel Lee his eldest grandson 1:28:46 to deliver their acknowledgement now please first welcome Professor Angelie to the stage 1:29:07 everyone for attending today our family has been moved by all the messages we have received remembering our 1:29:15 grandfather and stories about how his life has impacted others I'll briefly share a few words 1:29:22 from my sister Andrea and myself When We Were Young we remember 1:29:29 how y was quite busy with work y had an immense passion for 1:29:34 physics which occupied most of his time when he was at home he would often spend 1:29:40 endless hours in his study with a paper pad and pencil handwriting pages and 1:29:46 notebooks full of physics 1:29:53 calculations Yaya's second passion was working on educational initiatives to 1:29:58 Foster the next generation of Scholars and scientific collaborations between 1:30:04 different countries he was especially proud of the 1:30:09 new generations of Scholars in China and believe that if China did well that by 1:30:15 extension the world would also do well given China's integral role in global 1:30:22 development in his spare time y would find enjoyment in his third passion 1:30:28 which was sketching and artwork y had a profound appreciation 1:30:35 for nature and Beauty which he felt inspired his creativity in 1:30:42 physics he would often sketch Landscapes from different sites he visited to give 1:30:47 to r n after our grandmother passed away he would draw pictures for the rest of the 1:30:53 family as y got older he began to travel less 1:30:59 and spent more quiet time at home sketching this was especially true in 1:31:05 his retirement y had a very specific plan 1:31:10 about how he would retire which he executed on his own 1:31:16 terms in his retirement Yaya spent time working on new physics equations reading 1:31:23 over notebooks of previous calculations that he had solved in the past and going 1:31:28 through problem sets that he had written for his graduate 1:31:34 students mostly however Yaya spent increasing time documenting the world 1:31:39 around him through sketching and art after Yaya retired he was never 1:31:47 without a small Sketchbook in his pocket and a few colored pens to capture a 1:31:52 budding tree the flapping Birds the sunlight reflected in the 1:31:59 water and the shade of blue sky compared with a suddenly different blue hue of the adjacent 1:32:09 ocean he remarked how sketching was his way of creating a visual diary observing and capturing fleeting 1:32:16 everyday moments which would otherwise be lost to 1:32:22 impermanence when sketching a fruit bowl at home he would observe the character of the objects as if they could be 1:32:28 people he'd remark how the placement of a pair in relation to an Apple appeared 1:32:35 as if the two were nodding towards each other engaged in the 1:32:42 conversation at home we were surrounded by Chinese paintings many of them from his 1:32:52 acquaintances he was would often look up at a nearby Chinese painting and Muse upon the strength of the brush Strokes 1:32:59 the contrast of the Black Ink with the white negative space and the elements of 1:33:05 the composition that contributed to the core character of the 1:33:11 artwork he had a profound interest in the Poetry that accompanied these paintings he would take the time to 1:33:18 carefully explain what the characters represented in relation to the image and admired the 1:33:25 beauty and creativity of the Chinese 1:33:30 language this this was reflected in the care and consideration that he put into his own 1:33:39 calligraphy he instilled in us a deep appreciation and gratitude for art nature and 1:33:46 Beauty he was also very optimistic for the 1:33:52 future a phrase he would often repeat in his retired years in San Francisco was 1:33:58 today is a beautiful day as was yesterday as will be 1:34:06 tomorrow our grandfather was kind loving and a constant role model for his joyful 1:34:11 creative practice taking in the beauty of each day through his ritual of 1:34:17 observation being present and sketching 1:34:23 he often encouraged us to practice calligraphy read Chinese poems and write 1:34:29 Chinese characters in his penmanship for us to trace on top 1:34:35 of in addition to pursuing academic scholarship one way our family will 1:34:41 remember Y is through my sister's art and not for the purpose of a final 1:34:47 result but to enjoy the daily Pursuit and discipline of creativity which yaa 1:34:53 enjoyed so much thank 1:35:06 you thank you Angelie now let's welcome Professor James Lee 1:35:38 thank you so much for your condolences 1:35:44 appreciation and expression of support since we announced the 4th 1:35:52 August the news of that bad passing the personal message and public 1:35:57 postings have been 1:36:03 [Music] overwhelming this is our memorial 1:36:09 service for our father and on behalf of our entire 1:36:15 family we would like to express our heartfelt gratitude for this Memorial 1:36:27 compared to us you knows our dad better than us 1:36:34 publicly dad was a physic and educator and a scientific 1:36:40 leader but my brother and stepen and I knew him meaning as a loving father 1:36:51 [Music] as his son our died was our BW work of 1:36:59 strengths providing us with overwhelming vitality and 1:37:05 wisdom we could dwell for pages of his role in our 1:37:10 life but what I appreciate most though are 1:37:16 the values and importance he taught us of intellectual pursuit of concent 1:37:23 concentration of humility of 1:37:29 Duty of national pride of personal 1:37:35 Integrity of appreciation of Fine Arts of the importance of family and 1:37:43 friendship um and most importantly of making a 1:37:50 difference rather than making money 1:38:01 father always encouraged us to learn from his close friend when I when Stefan was little 1:38:09 father shared a puzzle I wrote with the mathematician Dr Isis 1:38:14 Kos and when at around the same age I had a school 1:38:20 assignment to interview a senior person father arranged him to 1:38:26 interview a close friend Dr 1:38:33 W both experiences were important for my brother Dr Wood told him 1:38:43 that in high school I wanted to be a 1:38:49 writer to study humanities 1:38:57 so he she told his father about this 1:39:05 idea his father had asked to read her writings after reading her essays her 1:39:11 father told Dr Woo well she was a good writer that if she explored the science 1:39:19 she would have something more significant to write about Doctor Who 1:39:24 told my brother that that is how I started my career in 1:39:32 science Our Father cared deeply about us and about his friend he told us when he and Chen yang 1:39:42 received the word of Nobel Prize for parity nonconservation he wrote to the Nobel 1:39:48 committee that believe that Dr Woo have improved their ideas experimentally 1:39:54 should be included in the prize later he sought to Ally their 1:40:01 decision by nominating Dr Wu twice for her work on beta Decay first in physics 1:40:08 in 1971 and then in chemistry in 1:40:19 1972 And when this nomination fell through 1:40:24 [Music] father quite a bit later had the idea to 1:40:31 co- nominate Dr wood together with a physicist whom he was confident with 1:40:42 Wayne indeed the Nobel Prize was awarded for this work that the 1:40:50 year but father was said to learn that dror wo was not included in the 1:40:56 [Music] 1:41:02 award so my father again tried to persuade them to include Dr 1:41:10 Woo however today as Andrea and angrew have shared 1:41:16 with you that last few years Stefan and I would prefer 1:41:24 to conclude this short Bittersweet appreciation for our father with 1:41:30 something about Dad's vitality and salt during the last few 1:41:37 months almost up to the end he could still work short distances Elbert with 1:41:50 assistance even when he became back that ridden he was still able to talk 1:41:58 think and communicate he repeatedly said how much 1:42:05 he loved us during the last few days he will always talk about his wish 1:42:13 to reunite with my family who died in 1:42:22 996 hopefully in some way now he had achieved his 1:42:28 [Music] wish during his last few 1:42:33 days he said I will always be a part of you you all will always be a part of 1:42:42 me he was surrounded by his families but I think this word is not 1:42:49 only for us but also for his dear friend for all of you his colleagues as 1:42:58 his student and the country he 1:43:08 loves I'm honored to be part of [Music] 1:43:15 him and I just like you his friend his colleagues and his 1:43:22 students will be a part of him thank 1:43:43 you thank you Professor James Lee lastly I would like to 1:43:49 share two personal reflections since August the 1:43:56 4th during this time I've read many articles reflecting on Professor Lee 1:44:04 which has given me a more comprehensive understanding of his scientific achievements I deeply feel that despite 1:44:12 the privilege of having a profound relationship with TD and being regarded by him as a close friend across 1:44:18 Generations my knowledge of his scientific accomplishment is still insufficient as see on the screen 1:44:26 Professor s Le published 300 and 21 academic papers 1:44:34 over his 62e academic career from 1949 to 2010 1:44:40 making pioneering and Milestone contributions in many fields including Quantum fail Theory fundamental particle 1:44:47 theory Nuclear Physics statistic mechanics fluid mechanics and astrop 1:44:53 physics among these achievements apart from the Nobel prize winning 1:45:01 achievement he had made fundamental contributions to the other five Nobel 1:45:06 prize winning acadamic 1:45:15 achievements which also include the previous speech from aamish eang that 1:45:21 the Chinese internet its establishment is also thank to the 1:45:29 contribution of Professor s since August the 4th I also noticed that the level of 1:45:36 public attention to TD's passing even surpris is that of the Olympics 1:45:41 particularly for the younger generation who might have only known TD made significant scientific contributions as 1:45:48 was one of the first Chinese Nobel L there was little else they knew about 1:45:54 him feeling he was quite distant however since TD's passing the 1:46:00 overwhelming expressions of remembrance and reports about him have given them the opportunity to understand his 1:46:06 contributions to the development of China's science and talent cultivation they' have come to realize 1:46:12 how close and familiar TD had is and how his fcy is from his first visit to China 1:46:21 in 1972 to his his last visit in 2010 TD returned to China 49 times over 38 years 1:46:30 with States ranging from one week to 14 weeks covering all 27 provincial level 1:46:38 administrative regions of the country as sh on the big screen TD made numerous 1:46:43 fundamental contributions to the development of China's science and talent cultivation 1:46:53 I will say that Professor TD Lee really changed the Destinies of many of 1:47:00 us the contributions TD made to science into our country are largely complete 1:47:05 and have become part of History however the 1:47:10 expectation for TD's work to contribute fundamentally to The salii Institute and 1:47:17 to become a worldclass research institution is still ongoing and 1:47:22 requires our continued and Collective 1:47:28 effort today due the insufficient seating at 1:47:33 the memorial service many staff and students of TD have had to stand on the 1:47:39 slopes to attend the service now I would like to represent them to express their 1:47:47 sentiments in one sentence Professor TD Lee rest in peace 1:47:54 finally we sincerely thank the nearly over thousand guests in the main 1:48:02 venue and sat life 1:48:07 venues and over 2.42 million online viewers who join us 1:48:14 for today's memorial service for Professor Sali Professor Sali May rest 1:48:19 Eternal peace ladies and gentlemen the memorial service for Professor Sali has 1:48:25 ended please exit in an orderly manner Chat Replay is disabled for this Premiere. All From Shanghai Jiao Tong University Shanghai Jiao Tong University 11.7K subscribers

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Show transcript 五月說案 124K subscribers Videos About 五月說案 322 五月故事合集 by 五月說案 151 Comments rongmaw lin Add a comment... @ceciliahsiao0857 6 hours ago 這其實算是勞資糾紛 不算是感情糾紛阿 67 Reply 3 replies @青菜-i7l 7 hours ago 五年十次性关系，收取千万现金，还想咋的？ 一个糖爹，一个糖宝，明买明卖，明码标价。想携子上位？这是太认不清自己的位置了。 91 Reply @purplypink2993 6 hours ago 这个女的也太贪了吧 一点也不同情她 她自己早知道游戏规则 后来却犯规不听话 知足吧 37 Reply @qqsui2731 5 hours ago 男方真的比成龍好太多了 孩子他也是有照顧了 這就是買賣 男的算有良心了 36 Reply @anniew6886 6 hours ago 覺得這個宋女士太貪婪当初也是知道這是一個金錢交易，她拿小孩來贪求更多金錢令人不齒，她這樣行為令人不歯一個大學生居然，王說的也是事實 36 Reply 1 reply @孫冠陽 5 hours ago “老蚌生珠”用錯了對象😅 19 Reply @許翠霞-i7o 5 hours ago 女方是有目地的，明眼人就看得出來。既然出來賣，為何讓自己懷孕產子？ 21 Reply 1 reply @takakowu1811 7 hours ago 和律師比起來，王老闆算有擔當了😅 24 Reply 1 reply @YunqinGao 7 hours ago 不同情，这宋 31 Reply @helenwang7827 1 hour ago 五月最后的建议非常的合理 2 Reply 五月說案 · 1 reply @karechiu3642 6 hours ago 可憐的孩子，被母親當籌碼，母親明知是場買賣性交，卻想賭一把，果然可憐之人必有可惡之處 （王家以下省略一萬字了） 24 Reply @jinwenchen8309 6 hours ago 这都传扬的什么价值观呀，没一个像话的 29 Reply 2 replies @Jajaoooo-y 1 hour ago 出來賣身的.. 為什麼要這樣子？ 吃相難看！ 1 Reply @yvonnhsu4023 4 hours ago 他們沒有「戀愛多年」. 一切從 買春 開始。 兩人都頗有問題。 都丟人現眼！ 9 Reply @TeddyHPP 1 hour ago 孩子他也是有照顧了 這就是買賣 男的算有良心了 2 Reply @leontu6664 5 hours ago (edited) 有欲即苦，尤其是情欲，身心意都漏的厲害。 3 Reply @李小竹-s8e 4 hours ago 我是不吱道花生什麼事🤣🤣🤣，一覺起來，全台新聞版，都是呂秋遠、受精卵塞爆螢幕，然後震震有詞的名嘴解說，才知道前因後果，腦袋浮現的是，😂千萬年後，就算台灣沈了，呂秋遠的受精卵，一定會永傳千古，太簡潔有力，律師就是這麼擅長於精準用字😂🤣🤣🤣，🙄結果第2天，台灣新聞版面又被王文洋包養網站爆炸洗版，😆😌但，畢竟文字造詣不如呂秋遠，是無法名傳千古的【精】句，從今爾後千秋萬世，呂秋遠和受精卵，綁在一起，是可見的，人生啊！無心栽柳，柳成蔭，呂秋遠可能想不到，一次的。。。一段的錄音，流芳百世。😂 4 Reply @范雲-x2g 7 hours ago 說的非常好 10 Reply 五月說案 · 1 reply @劉豫蘭 3 hours ago 一代不如一代，亂七八糟 4 Reply @sterlingtseng9032 4 hours ago “子承父業，上行下效”。其家風便是如此！每隔一段時間，父子就輪流接力爆瓜料，三代人堪稱近代台灣香豔史第一家族，無人能出其右。果然有錢就是任性！！ 5 Reply @pialiu1699 4 hours ago 每年200萬的撫養費，小孩上私校還有剩，但不可能住豪宅，這也比打官司好得多吖。。宋女官司輸了，還需賠官司費，自己學費都有問題了，何況是億萬富翁家族官司費，太自不量力了。。。每年兩百萬的撫養費也飛了。。果然是20歲的智商 8 Reply @yindu_Weige888 4 hours ago 晚上好啊！💓 1 Reply 五月說案 · 1 reply @虎虎-t7r 1 hour ago 结扎就可以啦，爱怎么玩就怎么玩😅 1 Reply @amelie151 6 hours ago 會賣的G就叫（野雞） 9 Reply @matcarlos5245 5 hours ago 这男的不懂玩女人,玩女人不應沾上名份,每次不留種,那就不怕驗證呀 ！ 7 Reply @missagie-z7q 3 hours ago 母親出面提告是高人指點，為了避免如果親子鑑定or官司出了問題反被告誣告罪。因為之前JoJo林先例反被判刑 2 Reply @flyingkitty3320 1 hour ago 貪念讓人心裡扭曲, 我工作環境遇到好幾個銷售冠軍同事就是這種人, 受助者惡意. 她們骨子裡自卑, 得到幫助也不開心, 這種人很多 Reply @易素英 2 hours ago 這有什麼好爭論的不戴套就一定會懷孕嗎？避孕的方式只有戴套嗎？怎麼大家忽然都在這繞圈 女生可以吃避孕藥啊！既然從事這個行業這種事還要裝傻？說穿了就是故意懷孕想藉由生子攀上富貴還要裝作一副被強暴的樣子實在太low了 2 Reply @familykeepersca 7 hours ago 謝謝五月！ 那樣的歡樂猶在腦海，這樣的痛苦沒想到！ 不管妳是什麼身份，有多少女人能想得到，男人的絕情，對孩子的漠視，是做母親的妳想得到嗎？ 1 Reply 五月說案 · 1 reply @johnchai8546 5 hours ago 支持五月~❤~❤~❤ 4 Reply 五月說案 · 1 reply @yamachen 5 hours ago 二房楊嬌幫王永慶生下的應該不是2子1女喔，而是3女2子. 3 Reply @gishileh 2 hours ago (edited) 實在太好笑了 他居然會在74歲碰到這種事情 只是那女的似乎也問題不少 既然你情我願又何必這樣爆料 1 Reply @劉劉幼華 5 hours ago 謝謝妳~五月 1 Reply 五月說案 · 1 reply @李小竹-s8e 7 hours ago 🙄當事人，沒一個值得操心，都比平民在基本薪水下生活，強太多。王文洋不同於王永慶，王文洋的情婦，是高學歷清純學生妹，這是品味升級，孫字輩王泉仁，則是女明星，又升級了，豪門的選妻標準，越來越高。 7 Reply 2 replies @GLiu-g1q 6 hours ago 自從威而剛和犀利士問世以來每個人都老當益壯無敵鐵金剛😂😂 1 Reply @k3nm702 7 hours ago 想听他儿子的风流史了😮 5 Reply 五月說案 · 2 replies @janyjony 5 hours ago (edited) 人家找的是糖寶，硬要做成代理孕母，難道是王文洋的問題？不認識王文洋可能性不大，畢竟他兒子王泉仁那麼多新聞，多少也會帶到他這個爸爸。 補充一點小孩的監護權在宋女的媽媽手上不再宋女手上 5 Reply 五月說案 · 1 reply @JK-zh1hl 4 hours ago 期待结局！ Reply @星星草-w3b 2 hours ago 大學生不認識王文洋😂，笑死！ 1 Reply @hush-222 29 minutes ago 竹籃打水...... Reply @HSUPISHUANG 6 hours ago 這次我支持媽媽，因為他要面對的王家祖孫三人真的很噁心 6 Reply @李-s6r 2 hours ago 這次我是支持男方的 Reply @逍遥爱子 1 hour ago 有钱多生一點也是美事一桩啊！😂 Reply @cathyhu8728 5 hours ago 五年十幾次關係 真的是買賣啊 宋女想太多了 6 Reply 1 reply @sophiekou971 6 hours ago 憑什么给那女人怎么多？ 9 Reply 2 replies @mayguo-o3h 7 hours ago 早啊， 这新闻好几天了，正在想五月会不会有兴趣扒这个话题，😂😂😂 2 Reply @seemanchong3436 3 hours ago 不好意思，五月在讀稿時可否不擺動雙手，有點干擾畫面喔! Reply @T.K.S-W 4 hours ago 0:37 “老蚌生珠” 是指女人… 🤫 7 Reply @johndole9381 3 hours ago I don't know about the laws in Taiwan, but in the US, if proven, Wang is responsible for the child. S/he is entitled to a life style similar to Wang's.... 2 Reply @HSUPISHUANG 6 hours ago 母親為孩子爭取更好的經濟生活，天經地義。 反觀王家男人混亂的家庭還能三代遺傳，真的很噁心 10 Reply 1 reply @gaillee2190 13 minutes ago 道德败落！ Reply @amandatennisgap 5 hours ago hi🎉❤ 1 Reply 五月說案 · 1 reply @lulumon-q9m 3 hours ago 五月好快啊😂 Reply 五月說案 · 1 reply @TomTing-ys8co 4 hours ago 1）包養为什么要带套？？2）金钱交易何罪3）怀孕关男屁事.女本身卖就知风险 Reply @pialiu1699 4 hours ago 入王家祖譜真的很難😂。。第一代王永慶都寵妾滅妻了，宋女不過是古代所謂的外室，地位是連妾都不如的，但孩子的資源是可以有的。。。打官司只能確定親子關係，並不能確定婚姻關係，無婚姻下的外室子女，要贏過王氏家族內的金錢鬥爭及上位，太難了。。。。在古代連皇帝的外室子，都會托付信任的大臣，隱名換姓被撫養長大。。完全沒有認祖歸宗的事。。。除非皇帝的內宮兒子全死了XD 1 Reply @1oN-nawiaT 3 hours ago 羨慕有錢人生活 Reply @pialiu1699 4 hours ago 除了性以外，兩人有明顯的年齡代溝XD Reply @anniekim790 1 hour ago 这姑娘……😢贪得无厌。 Reply @seongseongkam5581 6 hours ago 呂安妮中年面相和原配夫人很像 Reply 1 reply @celiachai 2 hours ago 笨，這樣鬧是進不了豪門的😂。王家男性「渣」是眾所周知的事，所以來評斷他們家的愛情忠誠與道德就搞笑了。 Reply @anglahuang3232 24 minutes ago 王文洋沒法像老爸王永慶~長壽喔!! 他太肥胖應有三高吧!!😂😂😂 Reply @lilyvalleya6838 1 hour ago 清寒女學生怎麼會連箔金包都要？那麼貴的皮包不是很富有就是很虛榮的人才需要😅 Reply @pqh5 47 minutes ago 他老爸有四個老婆不是三個喔!!兒子亂搞有名份的，也只有2位!!差很多喔! Reply @FeiZheng-zd5ct 5 hours ago 冒昧问请五月你能告诉我你是哪里人吗？你的节目越来越精彩和更新速度越来越。真的是太喜欢了❤ 1 Reply @JayKay0901 2 hours ago 200万台币？ Reply @Usersaazzqqllppmm 6 hours ago 現在10億解決😂比往後千億買單便宜！分期付款支付可，給孩子教育費 Reply @maymei2009 45 minutes ago 這女的 完全就是要錢… Reply @黃美士 53 minutes ago 這個宋姑娘或許是經過母親的同意才賣身的賺學費 Reply @熊子淳 3 hours ago 我再次相信{基因}了，文洋爺爺以後一定~子孫滿堂的👫👫👫👫 （律師應建議去綁一綁，就無後患之憂啊！） Reply @ace0156bbb 3 hours ago 通常會搞小三的企業，企業老闆也不認真於自己的事業 有2+1不是海外置產/洗錢就是敗壞基業 富不過三代 Reply @孟曉筠 24 minutes ago 王本來就很渣的,活該被坑 Reply @李小竹-s8e 5 hours ago 看到留言，有人提到王董比那個呂律，😂沒有比較，就沒有傷害，😂而且呂律居然也有九億身價🤣🤣🤣。我看到呂律的受精卵電話錄音報導時，🙄忽然想唐朝詩人李白，千萬年過去，有多少人記得唐朝皇帝的名字，但一定記得詩人李白。😂，同理可證，千萬年過去，沒幾個人會記得台灣富豪總統名字，😂但呂秋遠的【受精卵】，會比英漢字典梁實秋更名傳千古。🤣🤣🤣真是一句話，名垂千古。🤣🤣🤣受精卵。笑。 1 Reply @鄒國玉 1 hour ago 为什么要給十亿？又不是强奸 Reply @葉淑靜 6 hours ago 南摩大慈大悲蓮花尊豐如來！ 南摩無憂最勝吉祥如來！ 南摩月光如來！南摩月光如來！ 萬惡淫為首！世間道德敗壞，色情氾濫，敗德傷身，身敗名裂，甚至喪命！當淫慾熾盛，不能自制之時，想一想後果，進前一步，很有可能耗盡錢財，也有可能名譽喪盡，不但敗家辱祖，惡名流布於鄉里，甚至影響到子子孫孫，一生事業前途全部毀掉，想想後果，則心神驚悸，毛骨悚然，無邊的熱惱，當下清涼！阿彌陀佛。阿彌陀佛。阿彌陀佛。阿彌陀佛。阿彌陀佛。阿彌陀佛。阿彌陀佛。阿彌陀佛。阿彌陀佛。阿彌陀佛。阿彌陀佛。阿彌陀佛。阿彌陀佛。阿彌陀佛。阿彌陀佛。阿彌陀佛。阿彌陀佛。阿彌陀佛。阿彌陀佛。阿彌陀佛。阿彌陀佛。阿彌陀佛。阿彌陀佛。阿彌陀佛。 Reply 五月說案 · 1 reply @祛魅444 4 hours ago 友人熟識他家，王佬之所以一直沒娶呂女，是因為最疼愛的女兒思涵極力反對。 Reply 五月說案 · 2 replies @yvonnhsu4023 3 hours ago 奇怪！ 以王的聰明與閱歷， 為何不戴套或盯著宋女吃下避孕藥呢？ 那不就沒事了？ 哪像今天， 搞得沸沸揚揚， 變成笑話？ Reply @pikshanyu4889 2 hours ago 哈哈，玩女人最好就一次付清，冇拖欠 Reply @陳斐珍 26 minutes ago 不要再告了到時候連200萬都拿不到😢 Reply 1 reply @Sunny-w5j9l 6 hours ago 這不是好多年前的事了嗎？王文洋吧 Reply 五月說案 · 1 reply @taipeiyan3234 2 hours ago 這雞太貪吃了！ Reply @Anna子 6 hours ago 200万台币还是200万美元 Reply 五月說案 · 1 reply @nhjkaobl 4 hours ago 真的是一個糊塗母親。學歷高，又如何，自身的貧困，還是限制了看事情的格局！ Reply 1 reply @丐幫幫主菜陰魂1.5博士 6 hours ago 彎彎的新聞都擋下來了 網路才看的到 Reply 2 replies

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Why don't electrons fall onto the nucleus?

Why don't electrons fall onto the nucleus? Terra Physica 37.6K subscribers Join Subscribe 4.3K Share Download Clip Save 181,543 views Feb 16, 2024 The correct and complete answer to the popular question of what prevents negatively charged electrons of an atom from falling onto the atomic nucleus actually contains almost all the main principles and regularities of atomic mechanics. How exactly? Let's delve into it in today's video. Transcript Follow along using the transcript. Show transcript Transcript Search in video 0:00 in the comments the question is often 0:02 asked why don't negatively charged 0:04 electrons of an atom fall onto the 0:06 positively charged Atomic nucleus and 0:09 recently it occurred to me that with 0:11 just this question you can effectively 0:14 illustrate a whole series of important 0:15 principles of quantum physics in fact 0:18 the early history of modern physics 0:20 largely boils down to the search for an 0:23 answer to the question of why the 0:25 electron doesn't fall onto the atomic 0:28 nucleus and it turned out that was 0:30 impossible to answer this question 0:32 within the framework of classical 0:33 physics so scientists had to essentially 0:36 create a new branch of physics known as 0:39 quantum 0:40 mechanics and in our video today we will 0:42 try to follow in the footsteps of the 0:44 physicists of the early 20th century 0:46 through the chain of reasoning that led 0:48 them and us along with them to where it 0:52 led this Story begins in 1897 when the 0:55 English physicist Joseph Thompson 0:58 discovered the tiniest charged particle 1:01 the electron and later proved that 1:03 electrons are a component of atoms that 1:05 is the smallest chemically indivisible 1:08 particles of matter since atoms 1:10 themselves are neutral that is they have 1:12 a zero net electrical charge it was 1:15 obvious that the negatively charged 1:17 electrons in the atom must coexist with 1:19 some carriers of positive charge that 1:21 balance them out Thompson himself 1:24 proposed the so-called Plum Pudding 1:26 model or as it is also called the raisin 1:29 bun model in which the negatively 1:31 charged raisin-like electrons are 1:33 embedded in a loose positively charged 1:35 bun to test this model Ernest Rutherford 1:38 conceived and Hans Gyer and Ernst 1:40 Marsden carried out a series of 1:42 experiments essentially boiling down to 1:45 the following thin sheets of gold foil 1:48 were bombarded with alpha particles 1:50 produced by the decay of radon 222 and 1:52 radium 1:54 226 the alpha particle essentially 1:56 represents the nucleus of a helium 4 1:59 atom with two protons and two neutrons 2:01 although this was not yet known at the 2:03 time it was known only that alpha 2:06 particles firstly have a positive charge 2:09 and secondly their mass and consequently 2:11 size should be much smaller than that of 2:14 gold atoms of which the foil Target 2:16 consisted according to the plum pudding 2:18 model rapidly flying alpha particles 2:21 should practically not be deflected by 2:23 the loose putting substance and pass 2:25 through it almost without 2:27 deviations except for a slight 2:29 acceleration when passing through the 2:32 dough the largest deviations were 2:35 supposed to be observed in cases when 2:36 alpha particles pass as if tangentially 2:39 to Gold atoms and even in this case 2:42 according to calculations the magnitude 2:44 of the deviation should be only 2:46 fractions of a degree that is if 2:49 Thompson's model were correct we should 2:51 have observed a relatively small 2:53 widening of the initial beam and 2:55 probably some slowing down of the 2:58 particles however in prac practice 3:00 something different was observed the 3:02 vast majority of alpha particles passed 3:04 through the foil completely without 3:06 scattering as if through empty space but 3:09 some of them were reflected including at 3:11 very large angles up to an angle of 3:14 180° as if undergoing elastic collisions 3:17 with some massive compact objects from 3:20 this it was concluded that the atomic 3:22 nucleus is actually a compact massive 3:25 and of course positively charged object 3:28 occupying a negligible part of the 3:29 entire space inside the atom and around 3:32 this nucleus at a distance tens of 3:34 thousands of times larger than its 3:36 dimensions are small and lightweight 3:39 negatively charged electrons it is 3:41 precisely the distance from the 3:43 electrons to the nucleus or rather the 3:46 sizes of the corresponding region 3:48 occupied by the electrons that we 3:50 perceive as the sizes of the atom which 3:53 determine its chemical and physical 3:55 properties after all negatively charged 3:58 electrons should be attracted to the 4:00 positively charged nucleus and 4:02 eventually fall onto it that is the 4:04 observed size of the atom should be of 4:06 the order of the size of the nucleus 4:09 However the fact that real atoms have 4:11 significantly larger sizes indicated 4:13 that electrons for some reason do not 4:15 fall onto the nucleus and in order to 4:18 explain this physicists had to 4:21 understand why they don't do it that is 4:23 for the first time the very question 4:25 that we have set ourselves today arose a 4:28 fairly logical answer to it was given by 4:30 Rutherford himself namely electrons do 4:33 not fall onto the nucleus because they 4:35 revolve around it in circular orbits 4:38 indeed in one of our previous videos we 4:41 mentioned that the motion of a particle 4:43 under the action of a constant force 4:45 always perpendicular to the direction of 4:47 its velocity will have the character of 4:49 endless rotation attracting bodies will 4:53 as if constantly fall towards the center 4:55 of attraction in our case the atomic 4:58 nucleus but always miss it a similar 5:01 process is observed in Celestial 5:03 mechanics when our Earth and other 5:05 planets revolve around the sun 5:07 attracting it but never falling onto it 5:09 completely or when the moon or 5:11 artificial satellites like the ISS 5:14 revolve around our Earth and it was 5:16 beautiful and logical and very much 5:18 resembled what we observe in everyday 5:20 life but quite soon physicists realized 5:23 that this couldn't work the thing is 5:25 electrons are charged particles and 5:27 according to the equations of electrod 5:29 Dynamics any charged particle moving 5:32 with acceleration must emit 5:34 electromagnetic radiation about why and 5:37 how this happens we have a separate 5:39 video on our Channel moreover 5:41 accelerated charged particles indeed 5:44 emit electromagnetic radiation this 5:46 principle underlies for example radio 5:49 transmitters in all their variety so 5:51 here's the thing the rotational motion 5:53 of the electron along its orbit is 5:55 accelerated and the rotating electron 5:57 must continuously emit there by losing 6:00 its energy or more precisely the kinetic 6:03 energy of its rotational Motion in 6:05 simpler terms the speed of the 6:07 electron's rotation must quickly 6:09 decrease causing the radius of its orbit 6:12 to continuously decrease until the 6:14 electron Falls onto the nucleus and this 6:16 should happen fairly quickly bringing us 6:18 back to atoms with sizes comparable to 6:21 the size of the atomic nucleus 6:23 furthermore atoms containing rotating 6:25 electrons would constantly emit 6:27 electromagnetic radiation with certain 6:30 characteristics which was not observed 6:32 in 6:33 nature that is Rutherford's model led to 6:36 a picture that contradicted what we 6:38 observe in nature in other words from 6:41 mechanical considerations electrons had 6:43 to rotate around the nucleus to avoid 6:45 falling onto it due to electrical 6:48 attraction but from electrodynamical 6:51 considerations they couldn't rotate 6:53 around it at the same time because in 6:55 that case they would fall onto it due to 6:57 energy loss through radiation the 7:00 question of why electrons don't fall 7:01 onto the nucleus again arose before 7:03 physicists in all its Glory but now for 7:07 slightly more complex reasons an answer 7:10 to it was provided well or at least 7:12 attempted to be provided by Neil bore a 7:15 student of Rutherford in 1913 he 7:18 proposed that electrons in an atom could 7:20 revolve not around just any orbits but 7:23 around orbits where their angular 7:25 momentum that is the product of the 7:27 electron's momentum by the orbit radius 7:30 equals an integer multiple of planks 7:32 constant according to bore it was 7:34 impossible for the electron to reside on 7:36 an intermediate orbit between the 7:38 allowed ones and hence it became 7:40 somewhat more or less clear that 7:43 electrons indeed couldn't emit radiation 7:45 due to rotation around the atom this 7:47 process would lead to a gradual decrease 7:50 in the height of their orbits during 7:52 which they would have to occupy the 7:54 impossible intermediate orbits and 7:57 according to B's model an electron could 7:59 could only emit radiation in the case of 8:01 a discontinuous transition from one 8:03 allowed orbit to another closer to the 8:06 nucleus B's hypothesis seemed to answer 8:08 the question of why electrons don't fall 8:11 onto the nucleus however it explained 8:13 very little overall for example it was 8:16 completely unclear why only certain 8:18 orbits of electrons were permissible in 8:20 an atom because in orbital motion in 8:23 Celestial mechanics these orbits can be 8:25 anything moreover it remained a mystery 8:28 what physical mechanism prevents a 8:30 rotating electron in an atom from 8:32 emitting electromagnetic radiation after 8:35 all outside the atom accelerated and in 8:38 particular rotating electrons emit 8:40 radiation perfectly in accordance with 8:42 the equations of 8:44 electrodynamics that is it turned out 8:47 that the same or at least very similar 8:49 processes under different conditions 8:51 occur fundamentally differently and this 8:54 required at least an explanation and 8:56 bore didn't have such an explanation 8:59 which is why his model was subject to 9:01 rather harsh criticism from 9:02 contemporaries however it had one 9:05 colossal Advantage it allowed 9:07 quantitatively correct description of 9:10 many parameters of the simplest atom the 9:12 hydrogen atom with one proton in the 9:14 nucleus and one electron in its orbit 9:17 that is the main Criterion for testing 9:19 the correctness of the theory through 9:21 comparison with experiment B's idea 9:23 passed it remained only to understand 9:26 the fundamental reasons underlying B's 9:28 hypothesis which turned out to be I 9:30 repeat correct that is once again to 9:33 understand why electrons really don't 9:35 fall onto the nucleus another 9:38 fundamentally important step towards 9:40 understanding was made 10 years later in 9:42 1923 by Lou de brogley by that time 9:46 physicists had already come to the 9:47 concept of the corpuscular wave nature 9:50 of light to the fact that light in some 9:52 situations for example when scattered on 9:55 narrow slits or interfering behaves like 9:58 a wave and in others for example when 10:01 emitted or absorbed by a solid body 10:03 behaves like a particle a photon and 10:06 this particle can be attributed such 10:08 ordinary characteristics of particles as 10:10 kinetic energy and momentum in 10:13 particular the momentum of a photon 10:15 turned out to be equal to such a 10:17 quantity where H is Plank's constant and 10:20 Lambda is the wavelength of the 10:21 corresponding electromagnetic 10:24 radiation so here's the thing de brogle 10:27 suggested that not only a light wave can 10:29 exhibit the properties of a photon 10:31 particle but real particles such as an 10:33 electron can exhibit the properties of 10:35 some wave moreover the wavelength of 10:38 this wave is related to its momentum in 10:40 the same way as the wavelength of 10:42 electromagnetic radiation is related to 10:44 the momentum of a photon thus de brogley 10:47 expanded the concept of the corpuscular 10:49 wave duality of light turning it into a 10:52 concept of the corpuscular wave duality 10:54 of everything in the world any wave is 10:57 supposed to have some physical meaning 11:00 an explanation of what wave it is in the 11:03 case of electromagnetic waves these are 11:05 oscillations of the intensity of 11:07 electric and magnetic fields propagating 11:09 in space for waves on the surface of 11:11 water these are oscillations of the 11:13 water level itself the oscillation that 11:16 the de brogle wave represents de brogle 11:18 himself couldn't formulate it was Max 11:21 Bourne who did it for him in 11:22 1926 showing that the deogi wave is a 11:25 wave of probability more precisely the 11:28 probability density of finding a 11:30 particle in a particular volume of space 11:33 that is the movement of an electron in 11:35 space can be considered as the 11:37 propagation in this space of a wave of 11:40 probability to detect the electron at a 11:42 certain point now let's look at the 11:45 movement of the deogi electron wave in 11:47 an atom as we know in it the electron 11:50 cannot move freely because it is bound 11:52 to the nucleus by Electric attraction 11:55 physicists say that the electron is in a 11:58 potential well from which it cannot 12:00 escapee unless it has enough energy and 12:02 is forced as was supposed in B's model 12:05 to rotate around the nucleus in some 12:08 orbit in order for further reasoning to 12:10 be clearer I suggest considering an atom 12:12 with an electron rotating around it as 12:15 if it were on edge from this point of 12:17 view the movement of the electron looks 12:20 like oscillations first it moves to the 12:22 right reaches the farthest right point 12:25 and then turns starting to move to the 12:27 left accordingly the propagation of the 12:30 de brogly wave of this electron in the 12:32 atom should somehow look like this as 12:34 well and this is already somewhat 12:36 similar to what we observe in classical 12:38 physics the wave goes from one end of a 12:41 certain space reaches the other end and 12:44 returns we observe such situations for 12:47 example in oscillations of the density 12:49 of an air column in certain closed 12:51 spaces oscillations of a string fixed at 12:54 both ends and we know what happens in 12:56 such situations a standing wave is 12:58 formed form Med the different points of 13:00 which oscillate with different 13:02 amplitudes in some points known as nodes 13:05 the amplitude of oscillations should be 13:07 zero in others known as antinodes it 13:09 will be maximum accordingly in our case 13:13 it would be logical to assume that the 13:15 de brogly wave of the electron in the 13:17 atom should also form a standing wave 13:20 and we can even understand what 13:22 properties this wave will possess we 13:25 know for sure that outside the region 13:27 limited by the orbit diameter the 13:29 probability of detecting our electron is 13:31 zero because we are given that it is 13:33 trapped in the potential well of the 13:35 nucleus field accordingly we conclude 13:38 that at the boundary of the potential 13:40 well that is at distances equal to plus 13:43 and minus the radius of the orbit the 13:45 amplitude value of the wave should be 13:47 zero and this means that inside the 13:49 electron orbit in the atom a whole 13:52 number of De brogly wavelengths should 13:54 fit one wavelength two wavelengths three 13:57 wavelengths and so on 13:59 mathematically this statement will be 14:00 written like this where n is some 14:03 integer Lambda is the wavelength of the 14:05 de brogly wave and L is the length of 14:08 the path that the deogi wave travels now 14:11 all we have to do is remember that the 14:12 electron rotates in a circle so L will 14:15 be equal to the radius of the orbit 14:17 multiplied 2 pi and then substitute into 14:21 this formula the expression for the 14:22 wavelength of the electron's de brogly 14:25 Wave by transforming the obtained 14:27 expression we easily get the Criterion 14:30 introduced by bore Quantum orbits but 14:32 not as a given but as a consequence of 14:34 the fact that the electron caught in the 14:36 potential well of the atom possesses 14:38 wave 14:39 properties however in order to explain 14:42 B's hypothesis of orbit quantization we 14:44 had to introduce another actually 14:46 significantly more exotic hypothesis 14:48 about the electron that is the particle 14:51 possessing wave properties and now we 14:54 have to somehow show that this is indeed 14:56 the case fortunately phys physicists 14:59 studying the real world always have the 15:00 opportunity to ask the universe whether 15:03 a particular hypothesis is true by 15:05 conducting an experiment and in 15:08 1927 such an experiment was conducted by 15:11 Clinton Davidson and Lester germer they 15:14 showed that a beam of electrons passing 15:16 through a crystallin lattice is 15:18 scattered on this lattice similarly to 15:20 how light is scattered on defraction 15:22 gradings that is as a wave not as a 15:25 particle forming a characteristic 15:28 pattern of alternating Stripes known as 15:30 a defraction pattern this confirmed the 15:33 validity of De bro's hypothesis that the 15:36 electron indeed possesses wave 15:37 properties no matter how crazy this idea 15:40 may seem to us who have grown up in the 15:42 logic of the macroscopic world where 15:45 particles are particles and waves are 15:47 waves and there is very little in common 15:49 between them more precisely in fact not 15:52 only electrons and not even only Quantum 15:55 particles possess wave properties all 15:57 material objects do including objects of 16:00 the material world even a tennis ball in 16:02 fact does not fly as a single object as 16:05 we are used to thinking but spreads out 16:07 in space like a wave however since the 16:10 momentum of a tennis ball is measured in 16:12 units of kilog per meters per second and 16:15 Plank's constant is a very small value 16:18 of the order of 10 the power of 34 Jew 16:22 perss we conclude that the de brogi 16:24 wavelength for a tennis ball is about 10 16:27 the power ofus 34 16:29 meters this is undoubtedly an 16:31 infinitesimally small value trillions of 16:34 times smaller than any value we can 16:36 measure with our modern technology and 16:38 therefore we simply cannot detect wave 16:40 properties in macroscopic 16:42 objects however for Quantum objects like 16:45 electrons for which momenta are of the 16:47 order of 10 the^ of M is 20 to 10 the^ 16:51 of m- 25 the wavelength becomes 16:54 comparable to the characteristic sizes 16:56 of the systems in which we study them 16:59 that is in this case the sizes of atoms 17:01 and these effects of course must already 17:04 be taken into account in other words 17:06 there is no separate quantum physics The 17:08 Familiar classical physics ultimately 17:11 also obeys Quantum laws it's just that 17:14 on the scales of lengths speeds and 17:16 masses with which we deal in everyday 17:19 life most quantum mechanical effects 17:21 turn out to be too insignificant to 17:23 manifest themselves in any way and 17:25 somehow participate in shaping our life 17:28 experience 17:29 and the logic based on this experience 17:31 that is precisely why quantum mechanics 17:33 seem so strange and sometimes illogical 17:35 to 17:36 us but we have digressed and meanwhile 17:40 our main question the question of why 17:42 electrons do not fall onto the atomic 17:44 nucleus still has not received a 17:46 definitive 17:47 answer indeed even if we have convinced 17:50 ourselves that the condition of orbit 17:52 quantization in the atom applies we 17:55 still May wonder what will happen if n 17:57 in this formula equals equal Z indeed 18:00 this corresponds to a zero orbit radius 18:02 that is the situation the electron has 18:04 fallen onto the 18:05 nucleus since we know that electrons 18:08 still do not fall onto the nucleus such 18:10 a situation apparently is impossible but 18:13 why exactly the answer to this question 18:15 is provided by another fundamental 18:17 principle of quantum mechanics 18:19 Heisenberg's uncertainty principle which 18:22 prohibits simultaneously precisely 18:24 measuring the position and momentum of a 18:26 particle more precisely 18:28 the uncertainty relation states that the 18:31 product of the uncertainty in these 18:33 parameters must be greater than or equal 18:36 to half of the reduced plank 18:38 constant with this in mind let's again 18:41 look at our atom and its electron we do 18:43 not know exactly where in the atom the 18:45 electron will be at any given moment but 18:48 we do know that it is definitely at a 18:49 distance from the nucleus not exceeding 18:52 the radius of its orbit in other words 18:55 the inaccuracy in determining the 18:56 position of the electron is is equal to 18:58 plus minus the orbit radius the same 19:01 goes for momentum when the electron 19:03 moves in the atom it takes on values 19:05 ranging from plus P when the electron 19:07 flies say to the right to Magus P when 19:10 it flies to the left that is the 19:12 momentum uncertainty or Delta P equals P 19:15 itself and with this in mind the 19:18 uncertainty relation for the electron 19:20 will be written like this in other words 19:22 the product of the electron's orbit 19:24 radius by its momentum cannot be less 19:26 than half of the reduced plank constant 19:29 and if we now also recall that this 19:31 product according to the Criterion of 19:33 bore proven by us equals a whole number 19:35 of plank constants then we automatically 19:38 come to the conclusion that n in B's 19:40 Criterion cannot be equal to zero but 19:43 must be at least one that is the 19:46 electron must have a minimum orbit below 19:48 which it is forbidden to descend by the 19:50 uncertainty principle the state of the 19:52 atom in which electrons rotate precisely 19:55 on such orbits is called the ground 19:57 state thus we have excluded all 20:00 possibilities for the electron to fall 20:02 onto the nucleus and at the same time we 20:05 have dealt with the principles of 20:06 quantum mechanics that precisely 20:08 prohibit it from doing so today in 20:11 quantum physics however they do not 20:13 reason in categories like those we used 20:16 above the same uncertainty principle for 20:19 example essentially prohibits us from 20:21 asserting that the electron rotates 20:23 around the nucleus in some circular 20:25 orbit of a fixed 20:27 radius instead we say that the electron 20:30 is somehow smeared out over the atom 20:32 within a certain region which we call 20:34 the electron cloud and fundamentally 20:36 cannot say how exactly it moves inside 20:38 this region or if it moves at all the 20:41 wave representation of De brogi in 20:43 modern quantum mechanics is also not 20:45 used straightforwardly the ideas of bore 20:48 Bourne deogi Po and others have been 20:52 reinterpreted and found their reflection 20:54 in modern equations of quantum mechanics 20:56 such as the schinger and draa equations 20:59 and in modern quantum mechanics atoms 21:02 are no longer depicted as circles 21:04 instead physicists solve the 21:06 corresponding equations for the 21:07 corresponding conditions we cannot 21:10 correctly and accurately draw quantum 21:12 mechanical systems on paper or a 21:14 computer screen and even less so their 21:17 evolution but we can describe it using 21:19 the universal language of mathematics of 21:22 course the thought that describing what 21:24 is happening in the quantum world 21:26 without mastering mathematics is 21:28 impossible is a bit discouraging but 21:31 alas the universe is not obliged to be 21:34 such that we like it and all we can do 21:37 is try to find some analogies that would 21:39 give an idea of what is happening in the 21:41 quantum world and at the same time at 21:44 least not too strongly contradict what 21:46 is actually happening there this is what 21:49 we are doing on our Channel and there 21:50 are many exciting tasks ahead of us in 21:53 this field Well for now all the best and 21:56 until we meet again Terra Physica 37.6K subscribers Videos About 867 Comments rongmaw lin Add a comment... @Synconntez 1 year ago Here are the three things I have to praise about your presentation! 1st) The Chronology! Thank you for laying out the investigations and question leading up to these discoveries in such a simple and detailed manner. Often, videos discuss ideas independent of the many experiments and considerations that led up to those investigations! 2nd) Thank you for keeping it politically free! It's like when we think 'atom' we have to be told about Einstein's 1905 paper with Brownian motion! But as you have here indicated, as far back as 1897, there were already considerations on the atomic structure of matter. Ludwig Boltzmann also stands out as a figure of importance. The issue as to why it took so long for it to become acceptable is it mattered too much who was the one telling you this as a matter of 'politics!' And finally, 3rd) the transition between the ideas and the illustrations shown. It is indeed impossible to absolutely visualize an atom, but the illustrations you used really help because of the wide variety you used. Please keep up the good work! 31 Reply 4 replies @dariushmilani6760 1 year ago Enjoyed the your presentation and even more by some smart comments. Liked and Subscribed.👍❤ 5 Reply @MS-tz1ml 1 year ago There are a lot of interesting details and perspectives in this video that I never saw in other youtube videos about these concepts. 7 Reply @taziefahmed9750 1 year ago Glade i came across this channel very interesting question, nice visuals n audio. 3 Reply @4kevbot3 1 month ago Great video. Keep 'em comin'! Reply @gaminawulfsdottir3253 1 year ago After watching this, I have one question: Why don't electrons fall onto the nucleus? 118 Reply 12 replies @quantum4everyone 1 year ago Aside from the video primarily discussing atoms using “old quantum theory only”, at the end, it fails to recognize that for the ground state, the highest probable place for the electron is indeed inside the nucleus (when the probability distribution is written in Cartesian coordinates in 3d). In fact, the electron often spends substantial time within the nucleus. It does not interact or change anything there due to energy considerations—-there is not enough energy for a proton and electron to combine to make a neutron—-except in special nuclei, where the electron is captured by the nucleus and a proton and electron combine to make a neutron. The reverse process, of creating an electron in the nucleus, does occur in tritium, which can beta decay to He3. If one uses a relativistic formula, the probability distribution within the nucleus is even higher, because the wavefunction actually diverges at the origin. And, of course, zero angular momentum states are possible in an atom. This is one of the old quantum ideas that was incorrect. 71 Reply Terra Physica · 49 replies @trapperjohn8481 1 year ago Just happened upon this channel a few hours ago and just started from the beginning and it has been enjoyable thus far. 1 Reply @neilgibb5265 1 year ago Excellent description. Thanks Reply @florian2442 1 year ago (edited) The pronounciation is "debroy" not "debrouglie". I realize it's an automated voice, but it just follows the trend of actual science communicators butchering that name almost every time. I feel like only PBS Spacetime has gotten it right, maybe a few others. Edit: I also have to admit, it's really hard for me to focus and take in the information with the incredibly monotone cg voice. Anyway, 'nough nitpicking, thank you for the otherwise great video :) 3 Reply @RealWaveQuantumMechanics 4 months ago You might be interested in a theory which is compatible with Quantum Mechanics and which explains spin of hbar/2 in normal way rather than requiring it to be 'intrinsic'. It also addresses the question of 'what is moving'? to give orbital angular momentum. The theory is described in the video The Distributed Electron and more full explained in the video series the Road to Quantum Reality. Reply @5ty717 1 year ago De Broi is the pronunciation you seek. Very nice compact piece. Thx. 11 Reply Terra Physica · 6 replies @RyanK-100 1 year ago A very complicated non-answer to a simple question. Very often physics amateurs will try to answer a conceptual question with math because they don't truly understand the concepts. We have that here. Further, the math mistake is substituting momentum p in an equation for the UNCERTAINTY in momentum (delta p). The statement delta p= p itself is wrong. So the solution doesn't even answer the question mathematically because it is nonsensical. 5 Reply @ibnorml5506 1 year ago A great, high level explanation on what is happening between electrons and the nucleus of an atom. Too bad we still don't have an explanation as to why it has to be that way. Reply @pavolusak2488 1 year ago At some very close distance from the proton mass center the attractive force bettween proton and electron flips to the repulsive. The inner region of the proton behaves like having a negative charge, dominat at this distance over the proton positive envelope. Fading however at the distance of Bohr radius, and further from proton center, in favor of the positive proton envelope. Attractive for the electron. Even 170 MeV/c^2 mass of the electron e*-, more compatible with the mass of the proton components, and capable to couple by strong force (~ 2.3E4 [N] ) with the proton to the neutron (under conditions in the nucleus), after "free neutron" {proton, e*-} expulsion from the nucleon, making it an entity, which inevitably within less than 10-15 minutes disociate to the proton and the light 0.511/c^2 electron e-. Sometimes captured by Coulomb force by proton to form neutral hydrogen atom. In the metastable neutron {proton, e*-} the expulsion of the negative electron by the inner negative proton region finaly takes place. No matter of its initially haevy mass and strong force coupling to the proton. Ejected away or even coupled to the proton by Coulomb force, attractive again at the distance R(Bohr), or larger, as a hydrogen atom 1H {proton, e-}. More details in the "World of the rings", "(Pseudo)science fairy tales" , on the Research Gate Reply Terra Physica · 1 reply @yru435 1 year ago I was hoping for an explanation that would use the tools of classical physics, as my high school students usually melt when quantum mechanics is invoked. The big dilemma for me is to explain why the attraction of opposite charges (which is a dominant concept in high school chemistry) does not take precedence over all other considerations... 14 Reply 10 replies @marcelma 1 year ago Congratulations to this very digestable an interesting presentation! One wish: Please reduce the visual footage to illustrations of what you are actually trying to explain. There is no need to add "pretty wiggle patterns" just to keep the viewers eyes busy. This has become a huge niussance on YouTube. You don't overdoe it here, but still, the tendency is present. The best presentations on YouTube are those which allow the viewer to "let it all in" without having to bother to mentally sort out trash and frill. 1 Reply Terra Physica · 1 reply @Daniel-y1f9r 1 year ago That's his job If he didn't want comments they would be turned off Thankyou very much for your video 3 Reply @carlhitchon1009 1 year ago I don't find it satisfying that the electron cannot fall into the nucleus due to an "uncertainty principle". In fact much of quantum mechanics fails to be explanatory even though it is rather precisely descriptive (but only of probabilities rather than individual events). Some suppose that our "brains just aren't built to understand it" or "the quantum world is so unlike the classical world that it surpasses understanding". Maybe we actually have more to learn about the quantum world. That we can accurately calculate probabilities of events is all well and good, but we lack insight into what is actually going on. 41 Reply 17 replies @kennethbransford820 1 year ago === Isaiah 40 : 26 “Lift up your eyes to heaven and see. Who has created these things? It is the One who brings out their army by number; He calls them all by name. Because of his vast dynamic energy and his awe-inspiring power, Not one of them is missing. [] Nehemiah 9 : 6 “You alone are Jehovah; you made the heavens, yes, the heaven of the heavens and all their army, the earth and all that is on it, the seas and all that is in them. And you preserve all of them alive, and the army of the heavens are bowing down to you. [] Daniel 2 : 44 “In the days of those kings the God of heaven will set up a kingdom that will never be destroyed. And this kingdom will not be passed on to any other people. It will crush and put an end to all these kingdoms, and it alone will stand forever, ==== Reply 1 reply @exoplanet11 1 year ago Nice discussion. I like to teach my students that classical physics proves that atoms can't exist (electrons would radiate away their energy according to the L'armor formula ) Since atoms do exist, classical physics must be wrong. The only flaw in your video I find at 20:00 when you show the 'electron cloud' as an apparent ring, and then state we cannot visualize the shape of such clouds. Indeed we can. Just look up s- and p- orbitals in a chemistry book. They are the solutions to the 3D Schroedinger equation. Reply @bryandraughn9830 1 year ago Wow 😮 How do you deal with these comments? Such patience and tolerance! Bravo! 18 Reply Terra Physica · 5 replies @richardbennett4365 1 year ago Why??? We are already at 13:25, and the graphics artist is still depicting an electron revolving around the nucleus if an atom, but we already know this model is incorrect. Also, the presenter already told us that charged accelerating particles emit radiation, so why is the graphics artist still showing us a misleading, incorrect view of the concepts that the narrator is trying to to teach. When the graphics don't match the words, it's damn confusing vvi think this team needs to go back to square 1 and think about more carefully how to explain these concepts. 3 Reply @mortophobegaming6454 1 year ago does this still apply when the electron is not in orbit around a proton? if you increase pressure enough such that another proton enters its neighbour's electron cloud, does the electron start making weird orbits or are you by that time call it nuclear fusion? Reply Terra Physica · 1 reply @disgruntledtoons 1 year ago (edited) The unification of QM and GR will take the form of equations which show that the future space-time path of electrons shows a non-zero probability only in the known orbitals. Exact equations will probably be impossible for anything other than a hydrogen atom, in the same way that there no general equation for the three-body problem in celestial mechanics. We will more likely have imprecise formulae, with the more complex formula giving less imprecise results. Reply 1 reply @michaelmcclain6899 1 year ago I was hoping for an answer that included the modeling we used to describe the conditions where the exclusion and uncertainty principles are overcome. I think that understanding that would give people a much better answer than just this, it is missing pieces. 3 Reply @anikettripathi7991 11 months ago Law and principles for sustainable universe are different they only change during pralya /mahapralya. Disintegration time for universe to nothingness back. Whole creation and dissolution of universe is cyclical and life span of universe allowed to remain alive /awake. All energies forces, matters, particles follow and respect law and principles. So all are alive only.. Reply @douginorlando6260 1 year ago Nice journey of discovery. I would have emphasized DeBroglie how he started with Schroedinger wave equation and adapted it to include special relativity … and thereby explained subtleties in spectral emissions which Schroedinger did not. Plus predicting antimatter (positrons) which were discovered a few years later. There are some other channels with content that goes well with yours. Physics Explained, Huygen’s Optics, are two. There’s an excellent YouTube video of the development of Maxwell’s equations which reminds me of your narrative (people, their discoveries, how they build up to the complete current picture by Maxwell 1 Reply @xBINARYGODx 1 year ago I am very unclear why anyone would at first assume they should fall - electrons move at the speed of light. The fact they can be captured into orbits is more surprising than the idea that they don't fall in, or rather, it would seem easier to assume at first that's strange than electrons stick around for any length of time such that things exist as they do. 2 Reply Terra Physica · 17 replies @RWZiggy 1 year ago Actually, "matter waves" went out in the 1930s, the only waves are probabilities. The electron is a point particle with no size, so are the quarks. The electron does go through the nucleus, the equations of quantum mechanics say it does. By the way there are certain conditions under which the electron can be captured by the nucleus and cause changes there. 3 Reply 1 reply @EternalSearcher 1 year ago So many words to say "we don't know" 28 Reply 4 replies @jdalton4552 4 months ago This question was answered by George Goedecke in 1964 when he discovered the non-radiation condition which had been hidden in Maxwells equations for 100 years. He discovered that non radiation occurs when the radius of the atomic electron equals ncT/2pi where n is normalized by the fine structure constant. This equation gives the r to be the Bohr radius , or .53 times 10 to the minus 10. That is the true size of the atomic electron. Reply @BeIteshazzar 1 year ago they do fall onto/into the nucleus, we then call the system a 'neutron'.. in neutron stars that's all you have, electrons pushed into the single proton nucleus hence neutral charge.. this also allows for higher density.. the pressure also prevents them from decaying, unlike under earthly conditions where free neutrons decay in 15 minutes.. you also have some neutrino interaction in the process 1 Reply Terra Physica · 1 reply @peterbrough2461 4 months ago Pretty sure electrons (or proto-electrons) WILL "fall" into the nucleus (but not bind with the proton for some reason). The sum of forces of other electrons then force it away from the nucleus resulting in an oscillatory behavior. 😉 Reply @zBernie12345 1 year ago I don't see how Heisenberg's uncertainty principle which is a mathematical construct, explains the reality of which force or forces prevent an electron orbit from touching the nucleus. 26 Reply 15 replies @richardmercer2337 1 year ago Perhaps the best one can do representing quantum mechanics in this context is to interpret the electron as a "probability cloud" or "distribution", representing the likelihood that the electron occupies a position within a certain region. Yes that seems quite abstract, but that is what it takes (in spades!) to understand quantum mechanics! 5 Reply 5 replies @JonDesautels 1 year ago Electron capture: Electron capture (K-electron capture, also K-capture, or L-electron capture, L-capture) is a process in which the proton-rich nucleus of an electrically neutral atom absorbs an inner atomic electron, usually from the K or L electron shells. This process thereby changes a nuclear proton to a neutron and simultaneously causes the emission of an electron neutrino. https://en.wikipedia.org/wiki/Electron_capture 1 Reply @sundareshvenugopal6575 1 year ago The reason is similar to why satellite's in a geostationary orbit do not fall out of orbit. On those stationary orbits, the forces neutralize and cancel or balance each other out, but outside of those orbits the forces are not in equilibrium. But system's whose state of equilibrium is disrupted or disturbed will always tend to revert back to a state of equilibrium, from their state of non-equilibrium. The natural tendency is always to restore balance or equilibrium. This is the principle way in which energy is conserved. This is the law of entropy. By rights, entropy should always be a measure of order in a system, not it's disorder. Reply @geniebegins6181 1 year ago I think atoms can give or take smaller amounts of energy to move up down their electrons in orbits; but when it comes to merge electrons and the nucleus it needs larger amounts of gravity pressure and temperature (energy) such as the one the star can do at its end phase. So to move from n=1 to n=0 it requires a lot of energy. Reply @Davidsavage8008 1 year ago It cant get back into the nuclius Whete it was fotced out of by tremendous forces . the electrons symbolised by a (--- ) . it is similar to the quantum entanglement when pulled apart or forced together. Never forget that mind over matter is because matter has a mind.. Reply 1 reply @lashasib 1 year ago I’m more interested in a similar yet different question: If I am an electron how would I differentiate a proton from a positron? How is it that when it’s a positive charge just 1000 bigger than its own mass it can’t annihilate? 4 Reply Terra Physica · 5 replies @sherman_w_braithwaite_atomica 2 months ago I thought it was about charge exchanges that allowed temperature changes in the medium of the charges; And, as temperature increases, electromagnetism is lost, so fusion is possible, and electrons can fall into the orbit of protons. At least that's how everyone who talks about it has described fusion as possible. OK, this video is from 1 year ago from today and now fusion is 21 to 31 years in the future. "Nuclear fusion has been theorized since the 1920s by English physicist Arthur Eddington [1] [2]. However, it remains an elusive goal, with estimates of 20 to 30 years away [3] [4] [5] [BING].". Reply @Degenerates-re5wc 1 year ago (edited) I've always said that the electron is bound to the nucleus via the nucleus wave function energy, thus the wave function of the electron is direct related to the nucleus wave function. Thus different atoms have different "looks" or signatures when it comes to wave functions. The electron is a kind of signature of the nucleus and the nucleus can be analized via the electrons around it. The electrons and nucleus are interlinked. The electrons cannot "fall" into the atom because the wave energy onto the electron eminates from the nucleus energy function. Here an electron is a wave function of the atom. When in free space unbound by a nucleus an electron is a particle due to a lack of wave function energy linked by a nucleus. Reply @solapowsj25 1 year ago Although electrons have spin like a marble, they are field lines radiating to and from a central point ➕ and magnetic field curl at the edge. A fall in potential leads to superconductivity, Bose Einstein condensate, Neutron star or even the singularity black hole🕳. Reply @PatrickStaight 1 year ago I thought the electron can't fall into the nucleus for the same reason a drunken sailor who stagers 1 step in a random direction every moment will not be infinitely close to a bar, even if the direction to the bar is bius in the random probability of her staggering. The average distance between the sailor and the bar is relative to the size of the step per moment in the simulation. If it were possible to take an infinitely small step in infinitesimal time then the drunken sailor would be infinitely close to the bar. However, Planck distance prevents this and thus electron orbits have non-zero size. Is my sense of this close to being correct or is there something I'm missing? Reply @conflict_monitor 1 year ago (edited) ZI'll tell you when I get back from the shop. -Terra Physica great video Reply @jimm8191 1 year ago "Fortunately, physicists studying the real world always have the opportunity to ask the universe whether a particular hypothesis is true by conducting an experiment" What a nice way to define what experiments is...!!! Reply @billjohnson9472 1 year ago 19:00 there is no orbit radius of electrons around the nucleus, there is a probability density function. the science in this video was current about 1920, before quantum physics. 3 Reply 1 reply @johnmalcolm4822 1 year ago Our normal everyday concept of a “particle” is something with a distinct boundary or surface, within which all of it exists and outside of which none of it exists. In reality there is no such thing although for all intents and purposes we can act and think as if there were, because it is so close to being true. On the atomic and sub-atomic scale however the tiny error of this way of thinking is of the same order of magnitude as the “size” of the things we are studying. This is why the illustrations in this video reinforce the misconception of sub-atomic entities being “particles” in the everyday, macro-world sense. It is also why attempts to fathom a question such as the one posed here are doomed to failure when we use terms that have practically no meaning in the sub-atomic realm. According to the strictest definitions in geometry, a surface has zero thickness and all of something resides entirely on one side of it. There is in material reality no such thing as a surface defined in this way. Likewise points have no area or volume, and lines have no width. So we can say that if we subscribe to the strictest definitions, there is no such thing as a circle; it is an abstraction, a model. Yet most people who believe God does not exist, believe in circles and by applying the ideal model to reality give themselves a smoother ride through life on “circular” wheels. It is at this stage of contemplation that those who argue that science proves the non-existence of God should find humility and realise that religion, like science uses models and idealisations which “exist” in a different sense than a rock exists. Our concept of the rock is something with a definite surface as defined above. So our concept might work for everyday purposes but is flawed. This is why the human mind can contain equations made of idealised functions, but cannot contain objective reality. It is why a question such as the one posed here is unanswerable because of the flawed concepts on which it is based. The images of shiny electrons orbiting a conglomerate of smooth-surfaced protons and neutrons is very useful, but as far from the truth as the (equally useful?) image of God as an idealised person. 1 Reply 1 reply @JC0322 1 year ago Read Randell Mills Grand Unified Theory of Classical Physics - everything is explained and proven. All you need is Maxwell's Equations. Reply 1 reply @carriefu458 6 months ago This video blew my mind! 😳😳😳 Reply @atticuswalker 1 year ago because of gravity. gravity moves objects to the orbit of their density. like water vapor on earth. the near infinite energy density of the nucleus keeps the particle in orbit. flipping from 1 360⁰plane to the next . to get a 720⁰ 3d position . Reply Terra Physica · 3 replies @davidrandell2224 1 year ago QM classicalized in 2010. Juliana Mortenson website Forgotten Physics uncovers the hidden variables and constants and the bad math of Wien, Schrodinger, Heisenberg, Einstein, Debroglie,Planck, Bohr etc. So,no. Reply @wbiro 8 months ago It could be because the model is wrong. Maybe the 'valances' are just different stationary points on the nucleus, and the electrons just get kicked up like dust and then settle again, each in a different position that is a fixed distance away from the center of the clump. It makes more sense than magic electron valence jumping without going through the intervening space, and orbits that do not decay. Reply @shinyraygun 9 months ago (edited) My definitive guess is that disallowed electrons actually do fall into the nucleus, and they do fly in and out of orbits in every possible way. However, all "disallowed" states decohere from the "classical measuring apparatus" (the observer). Therefore-ish, all we can ever observe are the electrons that remain in their quantum orbits. IOW, the observer is the sustainer of the electrons' quantum orbits because the observer is also quantum and can only see the electrons that are in coherence with the state of the observer. (Wha?) Reply @derekmiller6091 8 months ago Omgg, if the electron was confined in the volume of the nucleus, the uncertainty in its energy is so high that its kinetic energy would overpower the electrostatic attraction to that nucleus - so it can’t be in the nucleus! That’s why it can’t fall in! Reply @danielschechter8130 1 year ago So the reason electrons do not fall into the nucleus is because of quantum uncertainty. This is very unsatisfying. I was hoping it would have something to do with the strong or weak nuclear forces. But if there's enough gravity everything collapses into neutrons. But I guess gravity is its own thing and doesn't play well with QM. Reply 1 reply @MottyGlix 1 year ago A correction: The units of Planck's constant (16:21) are joules times second, not joules per second. And I was dismayed to learn in college that "de Broglie" is pronounced "de broy" but then confirmed that we Americans may pronounce it as it is spelled in our orthography. 2 Reply 1 reply @APNambo 8 months ago (edited) This video is stupid. I'll tell you the answer. Elections at the ground state HAS fallen into the nucleus as much as they physical can. They need to "wave" in their ground state orbitals which is the lowest energy they can possibility have, thus they form orbitals defined by the wave equation. So imagine you holding onto a strong vibrating ball that at any moment can be anywhere within the length of your arm. This will form a probability sphere with the radius of your arm holding the ball. Thus this ball has already contacted you as much as it can while still allowed to vibrate. Reply @feynstein1004 1 year ago I just thought of this. Electrons and protons don't merge despite being attracted towards each other is because there's a small hill between them. You can push both to the top of the hill by expending energy and in the classical world, they'd stay there but in the quantum world, particles are always jiggling/moving. So they're more likely to be at the bottom of the hill than the top. As for why the hill exists, I guess that's just how quantum fields are structured? There isn't really a good answer to that. Kinda like asking why the electron has a negative charge. It just does 3 Reply 3 replies @dadsonworldwide3238 1 year ago (edited) Emerging energetic actors indirectly detected are amazing but to scale of atoms the fact anything and everything it can ever be that is definable is absolutely amazing 👏 Reply @robertlivingston1634 1 year ago Since I'm not a physicist nor a mathematician I suppose my view could be easily dismissed, but since the proton is also moving through space and not stationary finding the position of the electron would be impossible without knowing the speed of the proton thus also effecting the orbit. Reply 4 replies @kensanity178 1 year ago More importantly, where does all of the energy come from when the nucleus is split? How is this energy generated, and how can we control it safely? Is it possible to start a chain reaction in a super collider that could cause major destruction? How many things do we think we know about atomic elements that we know only by our inadequate linguistic explanations? Reply 1 reply @paolodelzanno9520 1 year ago In the Hamiltonian of the Shrödinger equation the terms of radiation are not considered! That's why in quantum mechanics electrons don't radiate. It is a trick! Simply Quantum mechanics do not explain why bound states don't radiate.... Reply @samtheweebo 1 year ago Even though a proton and electron are attracted to each other, the electron is too shy and fearful to actually approach. So it hangs around the proton it loves, doing it's best to repel any other electrons that would want to get close. 2 Reply 2 replies @InternetGrandpa 1 year ago It seems that one way to describe a neutron is to view it as a hydrogen atom where the electron is in the "zeroth" orbital. Now what happens to Heisenberg? 2 Reply 2 replies @russchadwell 1 year ago (edited) I'd say when an electron falls onto a proton you have an atom. In short, what we see IS an electron as close as it can get to a proton, ground state. What I mean is, an electron free of a proton can be either wave or particle in behavior. But, once falling onto a proton it is just a fuzzy wave, close as it can get like that. 1 Reply @rebeuhsin6410 1 year ago Bassically this is a very inportant observation. And for a theory to ne fully successful the math has to prodict it. I never done the math, I think about it like this, there is no solution to the wave equation that has an electron inside, or stuck, to a proton. Of course there is a electron capture, but that has a very large energy barrior, so is very unlikekly, except in sone isotopes with proton to neutron ratio that is unstable. And in any case, the electron no longer exists. Reply @frankmueller25 1 year ago The Heisenberg principle is not a law. When due to extreme pressure, the electron shells shrink. What is expressed here are observations not exclamations for why electrons don't fall into the nucleus. While the essence of an electron can be 1000 times smaller than a proton, we at present cannot determine where it will be except by probability. I feel though, that this uncertainty will not always exist. Reply 1 reply @wesbaumguardner8829 1 year ago The wave particle duality of light is wrong. Saying that light behaves like matter when it is "being absorbed or emitted by matter" is fallacious. Matter cannot be absorbed by matter. Matter cannot emit more matter. Fission or fusion can occur, but they all give off enormous amounts of energy and this is not observed when light is absorbed or emitted by matter. With that said, waves can be absorbed and/or broken up by matter, especially if the matter has an irregular shape. Matter can create waves, as well. There is not a single property that only occurs in matter and not waves which can be ascribed to light. In other words, light is a wave... a compression and rarefaction of a medium. Physicists have been peddling fiction for over 100 years now. Reply 7 replies @misterbonzoid5623 1 year ago Because they're not really particles orbiting like planets around the sun. They are fluctuations in one of a number of quantum fields which coexist and span the universe. 5 Reply @bbbl67 1 year ago You should have shown what the modern electron orbitals look like. The orbitals do show some electrons spending time inside the nucleus. They don't remain there, but they do get there. 4 Reply 2 replies @BMRStudio 1 year ago So no answer 😂😂😂😂 93 Reply 45 replies @peters972 8 months ago Saying something doesn’t behave physically because of an abstract principle is not an acceptable physical explanation. But it is all we have. “Faith is the essence of things unseen” is an abstract principle that enables theological belief. “You cannot measure the position and momentum of an object” is an abstract principle that enables quantum mechanics. In both cases no acceptable physical explanation is forthcoming. It is the ultimate in frustration. Reply @riccoy7667 1 year ago At 0:58 you discuss how Joseph Thompson discovered the electron. That discussion occurs over a picture of Ernest Rutherford not J. J. Thompson. A picture of Thompson can be found here - https://en.wikipedia.org/wiki/J._J._Thomson. Rutherford is pictured again at 1:39. 2 Reply @TommieTrumper-TFC1200 1 year ago Typical nerd logic 20mins to tell me you don’t know hahahaa heres another one, what actually is gravity not its visualised or demonstrated effects…. Reply @AnAntidisestablishmentarianist 1 year ago So all physicists had to do to explain why electrons don't fall onto the nucleus was write an equation that says the electron can't fall onto the nucleus. Genius. I wish my job was that easy. 1 Reply 5 replies @philoso377 1 year ago (edited) Page 6:12 Lost of electric charge/force/energy of an orbiting electron move it to a higher orbit and not lower. On the other hand lost of momentum takes it to a lower orbit. If electron charge loss continues the orbit may be too large ending in 1. a drifting electron or 2. Gravity kicks in bind the charge-less electron (now subatomic particle) at the nucleus. Could both the nucleus and subatomic particles were attached to one another originally, only to exhibit a difference charge when forced apart, electrically? 2 Reply 1 reply @3KnoWell 1 year ago Excellent Presentation. ~3K Reply @NoosaHeads 1 year ago It's very frustrating to be told that an electron has an integer orbital and energy state - but nobody can tell us why. It definitely requires biblical type faith. Can you give a presentation on why each orbital has its particular shape? (ring, doghnut, dumbbell etc)I believe it can be explained by the Schroedinger equation, but i haven't yet been able to understand how the equation was derived and how it's applied. 1 Reply 1 reply @JoeDeglman 1 year ago Electrons do not orbit but fit into defined locations like plasma tufts, defined by charge points on the nucleus. The Bohr model is a red herring. Electrons do not orbit unless there is an input energy large enough to break the electron out of its position around the nucleus. Electrons and protons are condensers of the ether medium. Quantum computing experiments show that there is an electro-magnetic ether shell around all atoms, electrons and protons that can be controlled as a 'qubit' by an electric field or laser. It is the ether shell discovered by quantum computing experiments around the electrons and protons that provides the needed tension and keeps the electron out of the nucleus. The ether, AKA the Dirac ether, is dipole particles or photons that engage in flux cancellation around the atom to neutralize the Coulomb forces within. Reply @surenbono6063 8 months ago (edited) Parables.. it's like trying to listen frequencies below 16 hertz..there was always those gaps & natural laws that limits it..These laws are redundant everywhere in existence..in all universes Reply @laura-ann.0726 1 year ago The deeper question is "why are electrons quantized in the first place, such that they can only occupy orbitals (energy levels) at specific radii from the the nucleus?" Or, "why is the speed of light what it is, and not some faster or slower speed?" Or, "why is the value of Planck's Constant what it is, and not some value larger or smaller?". Maybe we aren't smart enough to answer those questions yet, or maybe I'm not educated enough to understand quantum mechanics. But I do love these videos, that try to bring the most extreme concepts of science to some kind of level that a layperson can grasp. Reply 5 replies @pes0635 1 year ago The video explains that quantum model is better than planetary one, because in planetary one it's not explained how electrons not slow down and fall on to the atom due to always right maxwells laws which tells accelerating electrons will emit light and lose kinetic energy. But in quantum model it's still not answered, only difference is that there are more rules from which fixed orbitals are emerged, it still doesn't answer why electrons don't loos energy due to emitting radiation. What do I miss ? I am totally not physicist forgive me if my question is stupid. Reply @jackfrost2978 1 year ago Good explanation of a very disappointing answer. Mathematics both accelerates our understanding by allowing us to test various ideas, while stagnating our understanding when people become far too infatuated with incomplete equations. Reply 4 replies @feltonhamilton21 1 year ago The fabric of dark matter is the foundation for all particles because it is vibrational. The reason for electrons not falling onto the nucleus is because the vibrations between the electrons and the nucleus are powerful. All particles uses waves to communicate which causes the fabric of dark matter to vibrate every time a wave is used by a particle. The truth is in-between the nucleus and the electrons for example electrons are force apart from each other through vibrational interference regardless on how powerful the magnetic pull is between them that keeps bringing them close together they will always remain a part from each other this is because the vibration keeps getting powerful every time they come closer, this is also the real reason why fusion was so difficult until now. The nucleus and the electrons all have there own wave functions that triggers individual vibrations out of the fabric of dark matter. Superconductor activity also uses waves to trigger vibration in the fabric of dark matter which then open doors to black holes , and planets and moons and stars. Close to truth. Reply @Songwriter376 1 year ago (edited) So, why don't electrons which are spinning around so very vigorously, bump into each other?? I do not think it is due to like charges repelling each other because the momentum seems it would be too great to avoid collisions. Nah, I think the whole model of atoms, electrons, protons and neutrons that are taught has to be very skewed and misrepresented in classical atomic theory. The theories work close enough to allow us to calculate and predict behavior in the physical world but I do not think it really explains what is really going on. Reply 1 reply @tonymarshharveytron1970 1 year ago The problem is, the standard model is wrong, because there has been too much reliance on manipulated mathematics. Hopefully, in a few weeks, a book called ' The Two Monopole Particle Universe ' will be published, that will offer a radical but logical alternative to the standard model. This I believe may answer many of the outstanding problems, in particular Dark Matter, Dark Energy, and Gravity. Kind regards, Tony Marsh. Reply 14 replies @johnmiranda2307 1 year ago When do electrons stop? Oh, then there IS such a thing as perpetual motion! And all this time you said there wasn’t, AND that the entire Universe came from nothing. What a CROCK! Reply 1 reply @TheStefan665 1 year ago (edited) no; just no; the reason why it doesn't fall is the 3 body problem; there are 3 quarks and not all of them are positive; together with the electron they form a system; a perfect system; the electron goes towards the center just to be tricked and find himself close to the negative quark; so it goes out again and so on; it's a perfect machine where one tries to catch the dragon; and we don't know if the electron never does; all we know is that we observe a negative charge outside; it could be that when it goes close enough, another electron gets born in another part of the atom; it's a system; and by another electron gets born, i mean that a bit of charge and a bit of mass go out of there; why couldn't they stay all in one place is the question; and no, "no radiation" is not a proof of anything; because they all radiate all the time; they all leave their electric mark, it;s just that on average the waves cancel out and appear to be neutral; the atom isn't neutral per se; it's a bunch of positive and negative bits that look neutral on average from a distance. Reply @christopher-e4t 4 months ago (edited) Earth's magnetic waves literally go IN one pole and come OUT the opposing pole. The Moon is too large to do this or it would. Meaning, electrons DO fall into and out of the nucleus. You don't get something from nothing and that is why Earth's magnetic field collapses when energy production (hydro electric as well as nuclear) peaks. Our energy production literally taps the available electrons from the electromagnetic field lines of the planet itself and redirects them through out power grids. Reply @jamesmcclain5005 1 year ago The electron doesn't fall into the nucleus because of the Cosmic Microwave Background Radiation. This signal creates a constant moving relationship between the two particles. If you filter out this signal, and reduce the temperature, the electron WILL fall into the nucleus. Reply Terra Physica · 1 reply @philoso377 2 months ago (edited) Page 9:37 that is as good as in saying that by breaking in a home and found evidence good to convict the occupant can be use to justifies law violation (breaking in) in the first place. Is this how modern physics is conducted? By violating a law of physics and found something useful behind that as an excuse to justify dismissal of the nucleus-electron collision paradox. Reply @DrBeah 1 year ago Given the comments, you should have left two things out and emphasized what you brought up in the last 90 seconds. 1. Eliminate the n=0 discussion. It's confusing and doesn't drive the narrative. 2. Too much time spent on Bohr and DeBroglie. I've never seen a decent presentation of DeBroglie 1-D waves fitting into circular orbits. I told my students to skip over that part, and go straight to ... 3. Schrodinger and orbitals. That would also help respond to some comments below: yes electrons Do have a probability of being at the nucleus - specifically, s electrons, but not p, d, or f electrons. What are those? I was hoping this video would address that, but no such luck. Wait until next lecture. 5 Reply 1 reply @andrecarvalho9637 1 year ago Voice sounds like AI. But sounds very natural. What software did you use for text to speech? Reply Terra Physica · 1 reply @hillaryclinton2415 1 year ago They DO .. and pass through .. the clouds we see (resembling dumb bells in some configurations) are the physical representation of this Reply @chrislong3938 9 months ago A better question is, 'Why haven't galaxies completely merged into singular humongous black holes?!?' Gravitational waves cannot happen without something there to propagate the wave through space! There must be an aether!!! Therein lies the key to everything! Reply @atheistaetherist2747 1 year ago What a load of krapp. Electrons do not orbit a nucleus. Photons orbit a nucleus. Photons hug the nucleus. Photons have fallen as far/close as they can fall. JG Williamson explains. Reply @v2ike6udik 1 year ago 5:10 iss if fakery, check pic from wiki. Potatoshop pic with fragment of cgi eatrh. Uuuups. Pathetic. Prolly done to mock blind. Reply @silaskelly604 1 year ago It is an obsolete view but: The moon is attracted to the earth by gravity and continuously falls toward the earth. But the moon is attracted to the center of where the earth is and falls toward that center. But it is constantly moving and the moon isn't smart enough to "lead" the earth so by the time the moon gets to that point in space and time, the earth will have moved to that point. So the dumb moon continuously falls toward where the earth's center of mass was a moment ago and just chases it forever, never even gaining. In 2024 we have other theories that change by the minute, (or less), so it doesn't matter much to anyone except a quantum physics professional. Reply 1 reply @alanmcneill2407 1 year ago An over simplified explanation was given me by a teacher, the electrons are moving at a velocity that gives it enough momentum to balance the magnetic attraction. How that happens is insanely complicated! I agreed with him!!! The truth is very likely something the human brain can not handle. Reply @kazunorimiura3526 2 months ago Why don't electrons fall into the nucleus? In 1920, Rutherford proposed the intranuclear electron theory, which states that electrons exist in the nucleus. If intranuclear electrons exist, the orbital electrons are attracted to the protons in the nucleus and repel the intranuclear electrons, so they are loosely connected. However, at the time, it was thought that the dominant positive charge acts on the orbital electrons, so the intranuclear electron theory was not accepted. Reply @rogerjohnson2562 1 year ago (edited) 19:50 "the electron is forbiden to descend (to the nucleus) due to the uncertainty principle" 🤣😂🤣😂🤣😂🙃 This highlights the strange hold the 'uncertainty principle' has on science; sounds like 'non-science' to me, why not just call it 'Dark Certainty'? The negative electron is attracted to the positive nucleus because of the electric force, and held off the nucleus by the nuclear force, which is stronger. The electron can be squashed into a proton, creating a neutron, but which then decays by the (weak) nuclear force. Note that a negative anti-proton is attracted to a positive proton by the electric force, but instead of being held off, it joins the proton and unleashes the energy of both; scientists should focus on that phenomenon to determine HOW energy is trapped into matter... they'll probably just call it a 'Dark Trap'. Reply @thomas-gw3xf 1 year ago CENTRIFICAL FORCE --- SPEED OF ELECTRONS in conjunction with the mass of the nucleus and its "gravitational" force create a syncronation that will survive until ths nucleus turns in on itself and dies ! Reply @kayakMike1000 1 year ago Technically, electrons do fall on the positively charged nucleus. These are called "atoms" and they are often found electrically neutral. There's a better question to ask, like... Why does there seem to be a structural relationship between positve nuclei and the electrons? I think the idea of electron orbits like planets orbiting a star caused the confusion. Subatomic paricles behave like waves, electrons are no exception. The wave like nature of the electron exists on top of the nuclei. 5 Reply 2 replies @Soulwrite7 1 year ago Doesn't this simply beg the question, what is the uncertainty of the proton being in the nucleus of the atom? If we fired a line of protons in a vacuum at two slits wouldn't we also observe such uncertainty. If both are uncertain then we are back with the plum-pudding model just with an asterisk? Perhaps because protons and neutrons are composites of quarks they are less uncertain? If somehow you were to have a concentration of electrons and neutrons in one place, would protons fall into such probability shells? While math is a powerful tool, faulty assumptions will produce faulty answers, one model may have many mathematical solutions. I understand that this is beyond our scope of sight, and is relatively new physics. I just wonder with how convoluted and pointing to math some answers are, how questioned the assumptions inherent were, and how explored all solutions to the equations have been. Sometimes a mistake in Sudoku may not become apparent until much later down the line, then it becomes very difficult to figure out where the faulty assumption was made. 1 Reply @Rodney-u5c 4 months ago Two protons can be made to stick together because of the nuclear force; but two electrons cannot be made to stick together. This shows that the nuclear force is in the proton and not in the electron. The strong nuclear force is between two protons, and the weak nuclear force is between a proton and an electron. The reason the weak nuclear force is weaker than the strong nuclear force is because the strong nuclear force is between two particles that both have the nuclear force in them, and the weak nuclear force is between two particles where only one of the two particles has a nuclear force in it, namely in the proton. These two forces are opposite to each other. Protons electrically repel each other but attract each other through the nuclear force. The electron and the proton electrically attract each other but repel each other through the nuclear force. So in conclusion, the reason electrons don't fall onto the nucleus of an atom is because the nuclear force keeps the electrons out at a distance. But this isn't always true; in the nucleus you have protons repelling each other but are held together through the strong nuclear force, but whenever this force exceeds the force of the weak nuclear force, an electron can be taken into the nucleus and therefore cancel some of the repulsive forces between protons to make the nucleus more stable. The electron will combine with a proton to form a neutron. So as the nucleus gets bigger, the number of electrons allowed into the nucleus increases which results in more neutrons being formed. Reply @gijbuis 1 year ago (edited) You continually depict electrons as small round balls. That's simply wrong! Yes, we don't really know what sort of properties really depict a 'particle'. It might be a quantum excitation of an electromagetic field. But that doesn't help us much. Nobody understands quantum mechanics!! Reply 1 reply @PeterMilanovski 1 year ago Nope! You are still wrong..... Where you are going wrong is that you keep saying positive and negative charge like there's two different but opposite charges.... When there isn't! It doesn't exist! Not even a battery has two different but opposite charges! Even though it's marked with a positive and negative symbol! The earliest mention that I know of is by Benjamin Franklin who said that when you have more charge, we will call it positive and when you have less charge we will call it negative, meaning that something either has more or less than something else! Then there's the problem of the neutron..... It too carries a charge, for it is the charge that holds everything together! If the neutron had no charge, it can't affect anything and nothing can affect it! Therefore it cannot be in the nucleus! So therefore it's charge state must be something between the proton and the electron, probably closer to the proton than the electron would be my hypothesis.... Considering it's location being relatively closer to the proton...... There's far too many things wrong with our science, hydrogen isn't the lightest element.... It's heavier than whatever dark matter is.... But there's no empty box waiting for it's discovery in the periodic table of elements...... In the part where it's showing electrons going through a sheet of gold, where are the electrons coming from? How are they being replaced? Where do those free electrons end up once they pass that sheet of gold? There's always a cycle! And we weren't shown one! Showing an electron beam is like looking at entropy at work, but even entropy is a cycle, good things fall apart so that better things can fall together..... There's no point in just looking at the point of entropy, little can be understood from that alone, you need to see the whole cycle! It's no wonder why we always stumble across new technologies instead of actually understanding what everything is and how it works to know how to use it! That's why science just keeps getting harder instead of getting easier! That there tells you that we don't understand science..... Reply 1 reply @aarongallagher8898 1 year ago I wondered if time just around a nucleus slows down. As dense matter bends space time. So there would be a extremely thin space around a nucleus or the space in a nucleus of bent space time. Reply @KipIngram 1 year ago 0:32 - Oh my gosh - your nuclei are so BIG. Pretty pictures, but not anything like an accurate picture. Of course, the electrons don't explicitly orbit like that either, so I guess it's not meant to be realistic. Reply @manmeetjammu 1 year ago I thought orbits are not always circular.. only S orbitals. They have different shapes. Like dumbal donut etc.. And the probability of finding the electron is such . So electron actualy behaves like a wave in these orbits. Reply Terra Physica · 1 reply @philoso377 1 year ago (edited) Nice video and presentation. Logical and mathematical speculations are extremely convincing but whole. It produces special case and has narrow application, sometimes give us the satisfaction of a false positive. Orbital model of an atom falls in that category. The model only teach us nucleus is positive and orbiting electron is negatively charged, and electric force in between them can lead to collisions, that was prevented by orbiting centrifugal force of the electron. This model lacks a number of things. - Electric field in between wipe through a permittivity of vacuum imposed electromagnetic drag that tangential speed is at or below light speed. - given the mass of electron, and the electric force in between, at what tangential speed the electron to possess in order to stay in orbit? was not addressed. - electric field of an atom model wiping through vacuum, like a single bladed propeller, can induce synchrotron radiation. Converting electron’s electric force into radiative loss. In the end the electron may have its charge stripped completely. So no charge to keep electrons with the nucleus. (The fall of orbital model) Alternatively, negatives charged electrons and positively charged nucleus bind together without a collision. When parted the smaller member always comes out negatively charged. This supports JJ Thompson’s model a plumb pudding. For that we are free to explore how discharged didn’t happened. As oppose to invent a new branch of physics to explain the nature. The quantum mechanic physics. Reply @bsgnerd 1 year ago Good video! Reply @jacksimpson-rogers1069 1 year ago The fact that a planet is in a constant state of accelerating towards the Sun seems weird until you introduce trigonometry and differential calculus, which was why Isaac Newton invented it. But if you grant that acceleration implies a force, you can prove that a mass attached to a cord, which you whirl at a constant rotation speed around your head, exerts a force upon the string, which means you are causing it to accelerate towards you. Reply @FrankHeuvelman 1 year ago I want to know how IR photons can transport heat moving at light speed and without mass and why, for instance, short wave radiation can not. Or can they..? Never got a satisfying answer. Yes, stupid question, I know, but it keeps me awake at night. I simply have to know. Reply 1 reply @bretts6861 1 year ago (edited) Seems like a lot of the confusion arises from us still using the dated positive negative convention. What exactly are the positive protons doing that the negative electron aren’t? Is one pushing and the other pulling? Considering that they’re both spinning and moving it seems like sometimes they’re attracting each other and other times repelling, and eventually the electrons reach an equilibrium a certain distance from the nucleus. Reply 3 replies @patrickkelcey2435 1 year ago Excitements in a field... Collapse that field and produce neutrinos. (thank you Mr Veritasium) Reply @gbear1005 1 year ago Visualize a charge aleays moving .. it flies through the spaces between charges then flies away.. to have its orbit bend back... Reply @billynomates920 1 year ago excellent video, tp! 😃👍👍 1 Reply @ioannischristou2362 1 year ago You are pronouncing the name of Nobel laureate (French aristocrat) de Broglie wrong: his name rimes with Versailles (the palace of the Kings of France). Think of smth like "de-grail" but with a "b" instead of a "g", and the "l" being kind of silent... Reply 2 replies @philoso377 2 months ago Page 20:31 I doubt it is legal to produce and apply a new GM rule to bypass illegal assumption that there was no collision issue between nucleus and electron, and call it a day. Reply @johnaugsburger6192 4 months ago Thanks Reply @sag1970 1 year ago Positive negative charge repel each other this causes the emotion this causes the activity of the electrons I suspect gravity has something to do with it but then I don't have the education to know I'm only guessing Reply @PedroFigueiredo-q9x 1 year ago The experimentally observed fall of an inner electron ( a 1s electron orbits on the K orbit, an old term) into a neutron deficient nucleus is called K capture, K-Einfang in German. Hence an electron spends some time IN the nucleus before being irreversibly absorbed by a proton. This somewhat contradicts your assertions. The French pronounciation of de Broglie cannot be rendered in English, the last sound is the same as in Italian Cagliostro, Cagliari , as in Spanish calle and as in Portuguese Calvelhe. 1 Reply @The_Green_Man_OAP 1 year ago (edited) 14:19 Your illustration doesn't look right... Waves should be around the circle. r(2π/n)=rΔθ~2rsin(½∆θ)=λ, for 0‹|∆θ|«15° (just over 1% max relative error). Reply @Gegarace 1 year ago This has the same answer when my parents ask why I got C-. Me : because 49/100 is not allowed me to get C. Nice answer, but that's not explaination my mom was looking for. Reply @figefago 1 year ago 5:28 Could you give me link or video name where you describe this mechanism? Reply @audistik1199 1 year ago Sigh…This takes me back to college physics in the 60s. With some added depth. I love the inclusion suggesting that that quantum mechanics is still a part of macro physics except just too small to manifest itself in any meaningful way. Isn’t this a way forward to the theory of everything? Reply 3 replies @antoniosmpl.3457 1 year ago ok so when we push an object, the electrons push or pull the objects protons ? 2 Reply 2 replies @justintodd5145 1 year ago Can neutrons be pushed into other neutrons? Reply Terra Physica · 3 replies @KosalaKopal 11 months ago The velocity of an electron is 2200 km/s. If an electron change it's speed (low) it will attract by the nucleus. This is my answer. please say is my answer correct ??? Reply @markvoelker6620 1 year ago Because of the wave nature of electronic orbitals, each of which is a solution to the Schrodinger equation, an eigenvector to be precise. Reply 1 reply @papaschlumpf5894 1 year ago Allow me to ask an absoulte amateur's question: Aren't the electrons in a Neutron star "pressed" into the Protons, so that only Neutrons result? At least this is what I've often read about neutron stars. But if this is true, then it IS possible for n to be zero, no matter how you mathematically proved it to be impossible. Can you enlighten me there? 2 Reply Terra Physica · 2 replies @HealthcareBlockchain 1 year ago Cool video, I think there is a place for hyperbolic space Reply @rezadaneshi 1 year ago The logical conclusion is their speed is so precisely synchronized to the mass in the nucleons that their slowest speed is a perpetual orbit in first electron layer and higher speeds and energy for higher orbits discharging photons on the way down. 1 Reply Terra Physica · 4 replies @MaxAbramson3 8 months ago Answer: It does. But the diameter of the largest nucleus is about 15 femtometers, while the wavelength of the gamma rays emitted on positron-electron annihilation are much larger, about 2.43 picometers. The gamma ray sized electron completely surrounds the nuclueus of even the largest atoms and cannot be squeezed into the nucleus under normal heat and pressure--only at the core of a star. Reply @SimonMcGrath-x2x 4 months ago I thought DeBroglie said an Electron is a standing wave, any thoughts? Reply @snnwstt 1 year ago At 5:45, you stated that an accelerating electron should lose energy, but your quantum model removes that requirement by stating that ... we don't know how the electron moves or if the electron moves at all ?!? To me, that is a little bit gross: you freely "wave" away the problem of NOT having to lose energy, and thus, not having to explain it, isn't it? Reply @GH-oi2jf 5 months ago Newtonian mechanics just doesn't work at that dimension because it does not account for physical principles which apply only at atomic dimensions. It is an error to expect that macroscopic phenomena would scale down to an arbitrary degree. Reply @larrytanner4725 5 months ago To be truthful, many aspects of QM cannot be understood but must simply be accepted because they are in agreement with observations. Reply @allenplante4402 1 year ago Can the atom be considered a perpetual motion machine ? Reply Terra Physica · 1 reply @walterulasinksi7031 1 year ago Electrons are attracted to protons in the nucleus however the neutrons permit the polaric reversal of vibration to occur without causing an explosion. Remove the neutrons, as in a fission procedure, and such energy is generated. Reply @Celestiallearn369 1 year ago The kinetic and potential energy of atom keep balance and prevent from fall Reply @apollo-r5z 9 months ago (edited) All electrons travel in a straight-line past atom but are drawn back towards atomic orbitals by the negative positive asymmetrical oscillations of color charge. Reply @sonpopco-op9682 1 year ago We have no reason to believe that an electron cannot pass completely through the 'positive' nucleus unaffected. It is simply the ignorance of what "charges" actually are, that even raises this question. 2 Reply 13 replies @ericreiter1 1 year ago where you mention JJ and the electron you show Rutherford 1 Reply @Sikintyred 1 year ago I think it's really funny how the deeper we look we see that everything is revolving around something No matter how strong it is it pulls toward something bigger Yet it wants it's space Reply @michaelgonzalez9058 9 months ago The atoms repell the photon by attorney magnetics 1 Reply @manofsan 1 year ago (edited) If you're using a toy pingpong-paddle that has an elastic band attaching the ball to the paddle, then why doesn't that elastic band pull the ball into the paddle? Because the ball and paddle are being bopped around. Same thing is happening with the electrons and the nucleus. Space at the tiny small scale is unstable, and bops around tiny objects. You and I are too big to notice it, but tiny electrons and nuclei are certainly small enough to be affected. 1 Reply @dougieh9676 1 year ago Those folks are my heroes. ❤ Reply @bigrigexperience9294 1 year ago It is a jungle, my dear. Electrons do not collapse on the nucleus because each has magnetic momentum of opposite sign. That means, the electrostatic attraction force acts radially (on the radius of the atom) while the magnetic force acts azimuthally (perpendicular to radial in polar system of coordinates). You repeated the mistakes in the books of physics that emphasize electrostatic attraction and repulsion, ignoring electromagnetic deflection by moving charges. Thus, you need not invoke Heisenberg's uncertainty principle because the magnetic deflection will prohibit electron-proton collision. You need not invoke De Broglie's matter waves because a charge in motion has electromagnetic waves on Maxwellian basis. You need not invoke Bohr's orbitals because they cannot account for locked shells in inert gases: He, Argon, Neon, .. to Radon. You need not invoke Planck's constant h because it is obscure, misleading, and futile. Max Planck never believed in Einstein's crazy idea that photons exit as particles of energy because Planck's work was limited to the violet and blue light and h must apply to the entire spectrum. You cannot assume that the red, radio, and microwaves acts like particles despite their possession of h energy per each wavelet of frequency. Lastly, electrons that revolve in orbits must do so in elliptical trajectories, not circular. That means electrons must accelerate and decelerate around the nucleus, thus losing and gaining energy in every round of rotation. I do not think that Rutherford claimed that electrons do not collapse on nuclei because they stay in orbits. Rutherford was too smart to make such dumb claim. Neil Bohr was the king of laziness and fabrication. That made him twist every logic in order to advance the quantum theory that is filled with fixes and delusions. Reply @MrWebbtang 1 year ago 16:10 momentum is measured in kilogram metres per second, NOT kilograms per metre per second 2 Reply @TravisCotter 1 year ago I could care less. I am X 1 Reply @mahamaha4816 1 year ago I did not understand your answer for the question why electron dont fall onto nucleus. 19:45 seems to get there but confusing Reply @peterosmanski7466 1 year ago So after all that you did not explain why. You used circular reasoning and math to demonstrate that the equations don't allow it, but never why! You develop equations to describe observations, then manipulate those equations to produce a result that describes the observation that the electron can't have an orbital radius of zero as if somehow electrons know about man made mathematical constructs. 😂 Reply 1 reply @ManyHeavens 1 year ago If perspective is everything we can't afford to be blind . or Blinded by God Particles 1 Reply @melaniecampbell7055 1 year ago Why? Because the storyline wouldn't work. Thus it was time to embellish to explain it all away and give u a 'y'. Personally, I would've called them happytrons instead of protons and told kids in chem & phys the negative guys were always trying to make the happy ones negative but could never get to them. Or like Romeo & Juliet they were forever to be apart. Anyways, it gives the content maker a chance to make a living on youtube. Reply @timelapseofdecay9028 1 year ago So let me see if I understood what you said. You are saying that even though the positive and negative charges do attract, the electron won't fall on the proton because of the uncertainty principle and math? Because then we would know precisely where the electron is? Reply 2 replies @benjystrauss2524 1 year ago Actually, the wavelength of a tennis ball is zero. Experiments have shown (and I forget the source) that anything larger than the planck mass has a wavelength of zero. Reply @sdal4926 1 year ago Pauli exclusion principal should be included 12 Reply 6 replies @jeffreyluciana8711 1 year ago Electrons don't fall into the nucleus because Harry Potter said, "Wingardium leviosa" when he created the universe. Now, electrons follow the Dumbledore-Pauli exclusion principle. Reply @mireyajones810 1 year ago The electrons do NOT flow IN the wire. They just vibrate OUTSIDE the wire. What did Heaviside say? What does Eric Dollard say? How did Tesla create devices that drew energy directly from the earth? 1 Reply 1 reply @EnyListiyarni 1 year ago Elektro magnetik radiation like proton and nutro nitrogen hidroven🎉 Reply @gbear8207 1 year ago I still don't understand. 😂 2 Reply 1 reply @MichaelMoore-no9ly 1 year ago In the classical understanding of the atom, the electrons, of course, do not rotate around the nucleus, but revolve around the nucleus. Reply @alansanders4733 1 year ago What happens when neutron stars are formed? Don’t the electrons get forced into the nuclei of atoms in that case? 1 Reply 3 replies @peterdamen2161 1 year ago Interesting video! However, it's not Heisenberg's uncertainty principle, but Kennard's uncertainty principle that states that you cannot suppress quantum fluctuations of both position and momentum below a certain limit simultaneously. Many physicists, including the one responsible for the content of this video, don't know this..... Reply 2 replies @miinyoo 11 months ago It's because they are not particles when you consider them bound. They are standing waves. Of something. We can describe the something but have no idea what it is. Reply @mtb095 1 year ago Electron capture is a very real thing 2 Reply 1 reply @SpaceCadet4Jesus 1 year ago I know it's not common knowledge but Schrödinger had a dog too. Reply @marounaboujaoudeh1401 1 year ago "If you can't explain it to a six year old, you don't understand it yourself". I think using complex equations to explain reality is confusing, and it shows that you don't understand the subject yet. After viewing the video, one might say that electrons don't fall into the nucleus because there's an equation that says so! Reply Terra Physica · 5 replies @huverdoose 1 year ago If physicists were then as they are now, Rutherford would have declared the existence of 'dark alphas' to explain his results and kicked off a hundred year hunt for them. Reply @jesusisunstoppable4438 1 year ago Where do they get their Energy from ?? Reply @dpeelman1 1 year ago You never did answer the question “why don’t electrons fall into the nucleus,” you merely pointed out a man made rule written because electrons don’t fall into the nucleus 1 Reply 2 replies @mr.adamski6431 1 year ago Well done video! Heads up that Louis DeBroglie’s name is properly pronounced “ duh-BROY” Reply @finhas8865 1 year ago Of course, the base of Quantum Mechanics always refer to electrons as point particles. Along the way, they forgot about this and never admit it when pointed out. Reply @sucraloseUncle 1 year ago AI generated regurgitation. 13 Reply Terra Physica · 3 replies @THEUNFOLDING- 1 year ago The nucleus of the atom is the product of the exact frequency of the electron. An electron is a toroidal field. Reply Terra Physica · 1 reply @kiranchannayanamath3230 1 year ago The narrative was so intuitive and thought provoking. I also wonder why don't planets lose energy as gravity waves and fall into the sun. Reply 2 replies @andygreeley5196 1 year ago I, an object of the material world, not unlike a tennis ball, spread out in space like a wave. Reply @cantkeepitin 1 year ago In 19:35 you apply the Heisenberg theorem but you do it with the assumption density=0 at the edges. Couldn't it be just small? What shape has the pdf? Reply @adbellable 1 year ago shud treat black holes as large atoms. boundary conditions will form waves internalized. Reply @radinelaj9280 8 months ago (edited) You say : electrons don't fall due to revolving around the nucleus ,but what if could have same charge with nucleus They wouldn't fall if elecyrons have same charge with nucleus. Why not Reply @tysonessenmacher2091 1 year ago When magnetic particles jiggle they create nodes in their magnetic field, the electrons fall into these (orbitals) nodes. Reply 1 reply @rbti99 3 months ago Where would it fall "from"? Reply @chriskenney4783 1 year ago (edited) I got the Impression that the electron must travel in relation to the nucleus, as if in a parrell path. It seems that we try to explain atoms as a closed system, each and every one. What if both the nucleus and the electron are traveling in a straight line relative to each other, but occupying different states, space and/or time. Both are acted upon simultaneously by a shared influence, perhaps a component of gravity, which we observe in 3D? Reply 1 reply @robcrissinger776 1 year ago Onto or into ? I dont think that with the size of an electron , even if its possible that the electron would be gobbled up. Reply @Overitall805 1 year ago (edited) What if the answer is the missing dark energy/matter/ force that we seek? Lol, just playing around in your sandbox for a minute . Reply Terra Physica · 1 reply @Jack__________ 1 year ago Electrons tunnel through the nucleus all the time… but they are repelled by the down quarks. The real question is why does charge, repulsion, or attraction even exist? 2 Reply 2 replies @Superfly-dg5ty 1 year ago So the answer is - We don't know but we can calculate even after calculating we don't get exact values but probabilities from which we can speculate. Reply @HEMANTHKumar.p-hi5rn 1 year ago (edited) 😂😂😂😂 No guys its the answer they can't find there is no answer you know 1+1=? But a+1=? You call a1 😂😂😂 claps for that but it is unknown may be or may not Reply @kirbs0001 1 year ago Is electron capture the reason we believe electrons are a combination of corpuscular and waveform at all, rather than pure waveforms? Reply 1 reply @tonybalazs 1 year ago Very nice. Just that units of h are Js not J/s. Reply @Octopossible 1 year ago Around the 6-minute mark you say that the electron speed has to decrease in order to fall into the nucleus. Completely false! That is opposite to what is observed. The animation at 8 minutes actually shows the inner orbitals moving faster. this is consistent with celestial mechanics. Reply @ask230 1 year ago (edited) 9:43 It's not at all intuitive, but the name de Broglie is pronounced "de-broy" not "de-brogue-lee". Reply @rh001YT 1 year ago After watching this, I have one question: Why don't electrons fall onto the nucleus? The pseudo answer given is in the form of a dogma. Reply @chrisjust7445 1 year ago Then how do you explain Electron Capture? https://en.wikipedia.org/wiki/Electron_capture Reply Terra Physica · 2 replies @RealMiami33141 1 year ago Why is because the nucleus is also in motion going somewhere and therefore also a wave? At least the electron never “arrives” where the nucleus “was”. This also makes me think perhaps the “pressure” of atoms joining and separating causes the electrons that will be leaving to be pushed to zero and instantly achieve escape velocity in that moment? Reply @sundareshvenugopal6575 1 year ago The reason is similar to why satellite's in a geostationary orbit do not fall out of orbit. On those stationary orbits, the forces neutralize and cancel or balance each other out, but outside of those orbits the forces are not in equilibrium. But system's whose state of equilibrium is disrupted or disturbed will always tend to revert back to a state of equilibrium, from their state of non-equilibrium. The natural tendency is always to restore balance or equilibrium. This is the principle way in which energy is conserved. This is the law of entropy. By rights, entropy should always be a measure of order in a system, not it's disorder. 2 Reply @iamuonline 9 months ago still the question remains 'why electron won't fall into the nucleus?' Reply @Sunnanandi 1 year ago Electrons are subject to the laws of the sub atomic realm.Falling up, down or sideways wouldn't occur to them. Reply @shivkumarmohite4672 9 months ago Why electrons don't slow down and stop spinning altogether? Why they don't experience friction of the atmosphere? Reply @zorand67 1 year ago (edited) Wrong ... And the real truth is very ... as always: simple and comprehensible. Reply @MrBollocks10 1 year ago Couldn't live with a plum pudding, could they? Do they imagine we're all have plum pudding weekly in Britain?🙄 Reply @CharlesMatheson-w1z 1 year ago This video was much like the episode of the Big Bang Theory where Sheldon was giving Penny a physics lesson, you talk to much about things that while related, could easily be left out, it gets boring listening to someone drone on and on. Reply @Rohit-oz1or 1 year ago Click-bait video. Even Richard Feynman couldn't explain quantum mechanics intuitively 1 Reply @MEMcAndrews 1 year ago Sorry I couldn’t continue watching. Your repeated “interchangeable” reference to “rotate” and “revolve” was off-putting. There is no part of this argument where you discuss electron rotation, yet you use the term “rotation” far too frequently. Reply @thomas-gw3xf 1 year ago electrons -----> suns ---> planets ------> galaxies --------->>>>>> universes again all that dark matter and energy that you can not see feel touch nor any mass nor well nada !!!!!!!!!! Reply @tml721 1 year ago IF its orbiting then wouldn't Gravity/force be in play in the orbit ? Reply @tk423b 1 year ago If they did you couldn’t ask that or any question. Questions wouldn’t exist. Reply @philoso377 1 year ago Each time the electrons were found, it is negative charged. Does that mean it always carries a charge, w/wo the atom? Each time we saw a fire truck parked by a house on fire. Does that means the truck always cause fire? Each time we were found in the highway together with our car does that mean we and the vehicle are one piece? Reply @WarmWeatherGuy 1 year ago What about making neutron stars? If you push an electron into the nucleus it will turn protons into neutrons. 1 Reply Terra Physica · 2 replies @rickabr123 1 year ago You really don't know why, so you answer with an equation? Smh 1 Reply 1 year ago The representation of electrons whizzing around the nucleus like satellites is misleading. 1 Reply 1 reply @SimonMcGrath-x2x 4 months ago Why didnt u say Rutherford's famous line " it was like firing a cannonball into tissue paper and having it rebound straight back!" Reply @TheAnimammal 1 year ago (edited) The reason it seems illogical is because it is illogical and mathematics falsifies quantum by measuring a ball on a string. Reply @gregorysagegreene 1 year ago (edited) Please Gawd, never roll your dice and have me watch this video ever again. 1 Reply @justfellover 1 year ago I've heard of the plum pudding model, but the raisin bun model is totally new. I wonder if there's still room for a blueberry muffin model? It seems likely. Atoms are supposed to be very spacious. 2 Reply Terra Physica · 4 replies @Javier-qk7ms 1 year ago ChatGPT is making so many YT videos lately. 1 Reply @willclarke4631 1 year ago Occupy space! That’s awesome. Reply @ScRaMbLeS247 1 year ago Electron is the god particle what if it was at the center before the bang and the bang made them never combine to the atom again Reply 1 reply @saulgoodman7221 1 year ago Question is where did all the electrons come from. Curious that every proton has a corresponding electron. Why are there exactly enough electrons and no extras ? Reply 3 replies @brian554xx 1 year ago What we call "uncertainty" I maintain is better described as "indistinctness". Reply @masnyak 9 months ago "Lets start from incorrect understanding 100 years ago, then lets talks about incorrect understanding in the middle ages, then lets talk about incorrect understanding in primitive people ...". I listen 5 minutes and found only some historical story about incorrect approaches. Should we learn hundreds volumes of some historical stories before getting one formula which was only needed? Reply @vulpo 1 year ago So why doesn't the negatively-charged electron just fall into the positively-charged nucleus? Reply @agniusvasiliauskas4140 1 year ago (edited) Not to say that basic algebra here is flawed : pr = nh >= h/2 => n >=1/2 not n >= 1. I don't know who wrote the script, but it probably has skipped elementary school :-) Reply Terra Physica · 1 reply @bussi7859 1 year ago Because they are no stones. Electrons are fields as everything else is. Stop seeing matter as tiny marbles Reply @christophergame7977 1 year ago For me, this states that electrons don't fall into the nucleus because they can't. It doesn't seem to explain why they can't. Reply @walter_lesaulnier 1 year ago Because they don't get drunk. Bada ching!! I apologize for the joke above, those responsible have been sacked (cool movie reference). Reply @alexciocca4451 1 year ago Dawk that’s right Mr Festerbester Reply @davidpalin1790 1 year ago My view is that atoms are quantum packets of energy held together by forcefields 1 Reply 1 reply @derekmiller6091 8 months ago ‘De-broy’, ‘De-broy’, ‘De-broy’, ‘De-broy’, ‘De-broy’, ‘De-broy’!!!!! Reply @cazzone 1 year ago Title: why electrons don't fall on nucleus. Listen for 22 minutes for no answer Reply @tomlavelle8340 1 year ago Strong or Weak nuclear force Reply @stephenacton9347 1 year ago 20' waste of time... yeah U did it with ur nonsense video! 1 Reply @jsbrads1 1 year ago Well, don’t they fall inward to create neutrons? Reply @MichelleHell 1 year ago They can fall into the nucleus, but there is so much energy around us that electrons are under near constant stimulation. 1 Reply @MostlyIC 1 year ago a nice long history, ending with as near as I can tell an incorrect explanation (Heisenberg Uncertainty Principle). very unsatisfying. Reply @briankleinschmidt3664 1 year ago 22 minutes later and we still don't know. It's a barrier. Think 4 dimensionally. Future particles interact with past particles to form the present. Reply @billjohnson9472 1 year ago this is silly. in the 1s orbital the highest probability location of the electron is *at the nucleus*. for every atom in the universe. Reply @jakegarvin7634 1 year ago Because they're racist...to neutrons I KNOW I THOUGHT IT WOULD HAVE BEEN PROTONS TOO Reply @josmeproslonije724 1 year ago So, if an Electronic collapses, and turns into a particle, while still in orbit around the nucleus, it still does not collapse, because?!?!?!? Reply @dwinsemius 9 months ago How do I make it so this channel never pops up for me again. Just wasted 20 minutes listening to high school student create a mishmash of confused quantum principles. Reply @galenhaugh3158 1 year ago Why don't protons explode into the negatively-charged electron cloud spinning about them?? THAT'S the real question!! Reply Terra Physica · 1 reply @praveenasantosh9121 3 months ago What is in the nucleus ? Reply @jamesgordon8867 1 year ago Electrons don't go around the nucleus like this, but waves are closer Reply @michaelmaclachlan-brown 1 year ago Why should charged subatomic particles be the only things in the Universe that do not carry an Electric Field? Reply @VolodymyrLisivka 1 year ago When electron falls to proton, it will create neutron. It happens sometimes. Reply @deadman746 1 year ago "If they did, you'd know where they are and that they aren't moving."—Richard Feynman Reply @7Earthsky 1 year ago I don't know why i know this; but i know the woman narrating this has zero clue what she's saying. Reply @kokomanation 1 year ago If it fell into the nucleus it would annihilate with a proton and it would emit radiation probably Reply Terra Physica · 2 replies @ronsandefur9788 1 year ago did they ever answer the question? I got lost! 1 Reply @iamboborilee 1 year ago To get to the other side? No wait wait.....whos there? Reply @herbiv5023 11 months ago Why is my comment deleted? Reply Terra Physica · 1 reply @uileam161 1 year ago So….the math is the reason for the observations. Riiiight. Next time try: idk. Reply @stevewhitt9109 1 year ago Actually it is the fact that as you add more energy to try to force the electron, the KE rises toward infinity. Reply 2 replies @M3GAN2LovesYou 1 year ago (edited) You said something I found bizarre and untrue as a classically trained scientist that was taught the Scientific Method: "You can test a hypothesis is true..." No one can, not even "God." That is why the null hypothesis is always stated in the negative, we can falsify claims (e.g., global warming, man induced climate change) with certainly, but we can never prove something true with certainly, only up to some arbitrary probability. For example, given my poor choice in wife, I now know with a court admissible probability my son is mine (99.95%). To me, a p < 0.05 is not good enough, but that's what you get for $600. Think six sigma, in industry, or a p < 0.001 for practicality... in the real world. I do want to thank you for pushing me to finally realize atoms, according to current scientific shenanigans, are perpetual motion machines irrespective of whether or not the explanation is a simple orbit or "occupying some probability space." A probability space is just a complex transform of a simple orbit. Derp on me! Damn that took me decades to see the bullshite slung clearly. Reply @TheReaverOfDarkness 1 year ago They do. They're just a whole lot bigger than nucleons. Reply @friendryan 1 year ago potential wells that doesnt answer nothing what are they made of such bs Reply @polaris1985 1 year ago Maybe quantum mathametics is different too, like 1+1 = 3??? Reply Terra Physica · 1 reply @philoso377 1 year ago (edited) Think about this :- Electrons are always negatively charged WHEN we found them. That doesn’t mean it WAS always charged in associate with its nucleus. Wait before we embrace quantum mechanics physics. Reply @softbytesunlimited 1 year ago (edited) No answer, that's how nature works 😅 Reply @Sikintyred 1 year ago Is this the explanation to failed marriages Reply @Teshuvah-n27 11 months ago So just wondering, why doesn't an electron fall onto the nucleus of an atom? Reply @thornsaresharp 8 months ago What is a positive or negative charge? Physics has lost all contact with reality Reply @alikims 1 year ago so the electron doesn't radiate because it's not actually moving? Reply Terra Physica · 1 reply @aidenmartin6674 1 year ago They can visit but the rent is too high for them to stay. They have to go back to the low rent rural areas. Reply @BritishBeachcomber 1 year ago You made the classic mistake of saying that electrons orbit the nucleus. The do not. They exist in "orbitals" of quantum probability. Reply Terra Physica · 3 replies @idegteke 2 weeks ago They do. Reply @jamesgordon8867 1 year ago Same reasons why positive magnets will never be attached Reply @Itachi__Uchiha-ck4mk 1 year ago Does not fall into the nucleus bcz he is very busy in revolving. Reply @michaelmaclachlan-brown 1 year ago BECAUSE there is an Electric field on the Atomic Nucleus! Reply @surenpatwardhan4489 1 year ago Quantum mechanics is not a branch of physics; it is physics itself. Reply 1 reply @RavenZahadoom 1 year ago Another AI voice channel giving out bad info /smh but somehow this one has 20k subs. Reply @jamesgordon8867 1 year ago Magnetic forces need to be taken into account Reply @TheD4VR0S 1 year ago why is circular motion considered an acceleration Reply Terra Physica · 1 reply @justthink3375 4 months ago That sounds kind of like why don’t the moon fall on the earth or the earth on the sun? Reply @billyjunior1917 1 year ago A decent question but kinda like why doesn't the earth fall into the sun? Reply @Dolan1492 1 year ago funny. the word Leptons appears at 0:17 Reply @garysnewjob 1 year ago Well, that clears that up? 😂 Reply @bluntwrapent.2051 9 months ago I think we live on a giant atom and the stars are electrons Reply @jaimeduncan6167 1 year ago Did you just jump over Einstein's contributions? You also jump over the ultraviolet catastrophe? What about Schrodinger? Reply Terra Physica · 1 reply @user-em1dg3he1h 1 year ago They have really good balance , so they dont fall 😅 Reply @lyntonblair9016 1 year ago Another question to ask is why the electron's speed does not decay? Seems like an atom is a perpetual motion machine... Reply Terra Physica · 1 reply @swainscheps 1 year ago 13:30 or something - giving up….moving on to next video… Reply @Halcon_Sierreno 7 months ago It's just some quirk built onto the universe. Reply @afonsodeportugal 1 year ago My God, these comments! 😬 Reply @bluefandango 1 year ago it's "into" and you mispronounced "de Broglie" Reply @mohammadsareh4732 1 year ago Electrons obey the spirit. Reply @donholmstrom6482 1 year ago My takeaway, There is a QM law that states it is not allowed. So question not answered! Reply 1 reply @Matlacha_Painter 1 year ago English speak dictionary need and spell good not. Reply @eidiazcas 1 year ago I thought it was the same explanationa as why don't planets fall into the sun 1 Reply Terra Physica · 1 reply @mikeharbour_music 1 year ago So... why dont electrons fall onto the nucleus ? 1 Reply 2 replies @thomas-gw3xf 1 year ago must be all that feisty dark matter and dark energy OR being in the dark !!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Reply 1 reply @MikeSmith-cl4ix 1 year ago I think this is where it all went wrong. Reply @loocrepus 1 year ago Hi.. Looks like you don't even care to know about the pronunciation of Louis de Broglie's name. It's not DEE BROGLIE, it sounds like de broy. You can check out the pronunciation in the wikipedia. Reply @mrknesiah 1 year ago Because electrons don’t orbit the nucleus. Reply @lllPlatinumlll 1 year ago They can't fall because they are spherical. Reply @Dur4m4x 10 months ago Video doesn't match the audio halfway through. Reply @rud1239 1 year ago Why nucleus not a negative charge particle Reply 2 replies @KS-tf6nw 1 year ago so what is the answer? 21 minutes wasted Reply @davidhess6593 1 year ago Momentum Reply @zaiks0105 1 year ago Coz electrons aren't really particles but appear to be Reply @biffedya 1 year ago it would be like you falling onto the moon Reply @Manzplained 1 year ago A. I. Copy and paste bullshit. 1 Reply Terra Physica · 1 reply @MrBollocks10 1 year ago Honestly? People often ask that?😮😊 🥴 Reply @ronanzann4851 1 year ago Long range attraction...short range repulsion. Reply @AmikaofMan 1 year ago Quantum mechanics just makes me think that one day scientists will mess with something and oops. Then that 1 in 1 quadrillion thing happens and we/it all goes down the drain. I have always loved science, but the LHC and its variants make me go WHAT? Reply Terra Physica · 5 replies @swainscheps 1 year ago Lost me at around 10:00 Reply @Brucec-x6r 11 months ago Energy does not exist.. author Jed McKenna Reply @Mou3allembelgayb 1 year ago All in all photon and electron are the exact same thing. Reply Terra Physica · 2 replies @delphinazizumbo8674 1 year ago A: because there's only ONE electron? Reply Terra Physica · 2 replies @GK-hc4yl 1 year ago sorry, no one called J.J. Thompson, Joseph. Reply @stephenrice4208 1 year ago Why doesn’t the moon fall into the earth? Reply @taylorman40x9 7 months ago Why doesnt the earth fall into the sun? Reply @johngeverett 1 year ago So it doesn't... because it can't... because - MATH?? Reply @williamlavallee8916 1 year ago Not even wrong. Reply @seitbekir 1 year ago Gdeto ya eto uzhe videl Reply @DougDeYoung-gt4id 1 year ago Why don't planets fall into the sun?🤦‍♂️ Reply 1 reply @mehdizangiabadi-iw6tn 4 months ago Good question whay earth doesn't fall onto sun Reply @youtubepremium3505 1 year ago Nobody knows is the cirrect answer. 5 Reply 2 replies @Mike-zf4xg 1 year ago de bro glee? are you kidding me? Reply @joshtaylor4583 1 year ago Disagree. Reply @stevet7695 1 year ago I lost interest when the narrator failed to even pronounce de Broglie's name correctly. He'll be turning over in his grave...probably. 1 Reply 1 reply @Sikintyred 1 year ago Not the wife Reply @gutzimmumdo4910 1 year ago because they playing hard to get Reply @pauliexcluded1 1 year ago If you are in an s state you do…. Reply @patrickbrumm420 1 year ago There only is one electron Reply @contemporaryhumours 1 year ago Nice try Reply @lyuboslavilov 1 year ago Debrogli😂 2 Reply Terra Physica · 2 replies @robertkat 1 year ago Why does the Earth not fall into the sun? Another stupid youtube video. Reply 1 reply @outerrealm 1 year ago This could have been explained in 5 minutes. Why all the unnecessary blather? Reply @lepidoptera9337 1 year ago Yes, this was absolute bullshit. :-) 1 Reply @kayakMike1000 1 year ago Sigh... Electrons do fall into the protons, sometimes. They're called neutrons. 42 Reply 28 replies @marscience7819 1 year ago not real good Reply @Kysen10 1 year ago This whole channel looks like AI generated crap. Reply Terra Physica · 1 reply @FloydMaxwell 1 year ago because modern physics is broken 2 Reply 3 replies @mortophobegaming6454 1 year ago leptons Reply @proteusaugustus 1 year ago Because an electron has no mass. They just calculated one for it. Reply @rahulj9 1 year ago Lame Reply