Paul Dirac

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Graham Farmelo on Paul Dirac and Mathematical Beauty

Order: Reorder
Duration: 54:04
Updated: 19 Aug 2013

Adjunct Professor of Physics at Northeastern University in Boston, Graham Farmelo, on Paul Dirac and the Religion of Mathematical Beauty. Apart from Einstein...

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Dirac Lecture 1 (of 4) - Quantum Mechanics

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Duration: 59:59
Updated: 19 Aug 2013

1975 Christchurch - New Zealand (Grateful thanks to Ed Guy who has provided a magnificent summary of this lecture - visit http://www.animatedphysics.com/ener...

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Legendary Physicist and Florida State Professor Paul Dirac

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Duration: 4:00
Updated: 12 Aug 2013

Paul A.M. Dirac was a giant of modern physics, one of the "founding fathers" of quantum mechanics. The video clip is from "Fifty Years of Florida State Unive...

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Paul Dirac on Dimensionless Physical Constants

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Duration: 9:17
Updated: 22 Nov 2013

Paul Dirac was one of the most proficient theoretical physicists of the 20th century. In this interview, Dirac himself talks about the existence of dimensionless, fundamental constants in physics. These constants are numbers, usually ratios, which contain no units and are therefore universal. No matter what units you use, a dimensionless number will always be measured to be the same. The most widely known example, from mathematics, is Pi which is the ratio of the circumference of a circle to the diameter of the circle. No matter in what units you measure both the circumference and diameter of a circle, be it feet, meters or stadia, Pi will always be 3.14159265..... The fact that fundamental physics constants exist as dimensionless constants means that they can act as landmarks in a physical theory; if predictions are made by a theory that create a dimensionless constant of a given value and if that value is then confirmed by experiment then the theory is deemed acceptable in physics. An example of this is the lepton g-factor in physics, by which it is possible using Quantum Electrodynamics, to predict its value theoretically which matches experimental measurements to an accuracy of 1 part in a billion. This is the most accurate prediction in the history of mankind and demonstrates the predictive power of quantum mechanics, no matter how strange it is. Paul Adrian Maurice Dirac was one of the founders of quantum theory and reconciled quantum mechanics with Einstein's theory of special relativity in the equation which bears his name, the Dirac Equation. Using this equation, Dirac predicted the existence of antimatter by finding that for his equation to work, charged quanta as described by relativity must be roots of the square root of the normalized charge of a particle, hence forming positive and negative terms. From the relativistic terms in his equation Dirac also described the existence of quantum spin as a relativistic phenomenon and described the existence of fermions, by a reinterpretation of Dirac's equation as a "classical" field equation for any point particle of spin ħ/2, itself subject to quantisation conditions involving anti-commutators. Werner Heisenberg later interpreted the equation as a quantum field equation accurately describing all elementary matter particles -- today quarks and leptons -- this Dirac field equation is as central to theoretical physics as the Maxwell, Yang--Mills and Einstein field equations. Dirac is regarded as the founder of quantum electrodynamics, being the first to use that term. He also introduced the idea of vacuum polarisation in the early 1930s. This work was key to the development of quantum mechanics by the next generation of theorists, and in particular Schwinger, Feynman, Sin-Itiro Tomonaga and Dyson in their formulation of quantum electrodynamics.

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R. P. Feynman: Elementary Particles and the Laws of Physics (1986 Dirac memorial lecture) I

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Duration: 13:10
Updated: 05 Aug 2013

Richard Feynman was Richard Chace Tolman Professor of Theoretical Physics at CALTECH.

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The Strangest Man

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Duration: 6:33
Updated: 14 Apr 2013

Graham Farmelo has written a marvelous account of the life of Paul Dirac. In fact, it has been considered one of the top 100 books of 2009 by several major p...

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Paul Dirac and the religion of mathematical beauty

Order: Reorder
Duration: 45:44
Updated: 10 Dec 2013

Speaker: Graham Farmelo Filmed at The Royal Society, London on Fri 04 Mar 2011 1pm - 2pm http://royalsociety.org/events/2011/paul-dirac/

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Dirac Lecture 2011 - Beauty and truth:their intersection in mathematics and science

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Duration: 76:26
Updated: 18 Aug 2013

Lord Robert M. May Zoology Department, Oxford University, supported by the Royal Society of NSW & Australian Institute of Physics. "In the mists of prehistor...

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Beautiful Minds - A Tribute to Paul Adrien Maurice Dirac

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Duration: 5:24
Updated: 09 Aug 2013

in my current physics graduate i've a work tributing this genius of QM ( quantum mechanics) listing others great genius from various areas of science.

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Strangeness Minus Three (BBC: Horizon - 1964)

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Duration: 41:14
Updated: 14 Aug 2013

Horizon explores the discovery of the Omega-minus particle. After two years and thousands of photographs, scientists at Brookhaven National Laboratory confir...

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Mastermind: Paul Dirac

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Duration: 3:25
Updated: 14 May 2013

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What is life?

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Duration: 65:26
Updated: 15 Aug 2013

In spring 1943, Nobel Prize winning physicist Erwin Schrödinger gave a series of lectures at Trinity College, Dublin. These lectures were subsequently publis...

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Paul Dirac

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Duration: 28:19
Updated: 14 Sep 2013

Please give us a THUMBS UP if you like our videos!!! Source:http://en.wikipedia.org/wiki/Paul_Dirac Paul Adrien Maurice Dirac, OM, FRS (/dɪˈræk/ di-RAK; 8 August 1902 -- 20 October 1984) was an English theoretical physicist who made fundamental contributions to the early development of both quantum mechanics and quantum electrodynamics. He was the Lucasian Professor of Mathematics at the University of Cambridge, a member of the Center for Theoretical Studies, University of Miami, and spent the last decade of his life at Florida State University. Among other discoveries, he formulated the Dirac equation, which describes the behaviour of fermions and predicted the existence of antimatter. Dirac shared the Nobel Prize in Physics for 1933 with Erwin Schrödinger, "for the discovery of new productive forms of atomic theory." He also did work that forms the basis of modern attempts to reconcile general relativity with quantum mechanics. He was regarded by his friends and colleagues as unusual in character. Albert Einstein said of him "This balancing on the dizzying path between genius and madness is awful" referring to his autistic traits. His mathematical brilliance, however, means he is regarded as one of the most significant physicists of the 20th century.

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Histoire de la physique quantique (partie 7) Paul Dirac (1902 -1984) 82ans

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Duration: 16:05
Updated: 08 Aug 2013

Voici mon vidéo sur la physique quantique( partie 7). Dans ce vidéo vous serez à même de constater que Paul Dirac ce physicien anglais était vraiment un gran...

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Dirac notation

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Duration: 8:08
Updated: 15 Aug 2013

In this video I introduce the very important notation made by Paul Dirac for Quantum mechanics.

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Solvay Physics Conference 1927

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Duration: 2:55
Updated: 15 Aug 2013

http://www.FreeScienceLectures.com The most known people who participated in the conference were Ervin Schrodinger, Niels Bohr, Werner Heisenberg, Auguste Pi...

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Paul Dirac, his equation and his radio

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Duration: 3:55
Updated: 24 Apr 2013

A film in the Old Cavendish Laboratory, where Alan Macfarlane briefly describes Dirac's equation - drawn on his blackboard by Neil Turok and with the signatu...

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Reminiscenses of Paul Dirac by Victor Shapiro

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Duration: 2:51
Updated: 10 Dec 2012

Vic Shapiro discusses Paul Dirac selling his TV set in Princeton.

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The Riddle of AntiMatter

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Duration: 24:03
Updated: 20 Aug 2013

Explore one of the deepest mysteries about the origin of our universe. According to standard theory, the early moments of the universe were marked by the exp...

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Paul Dirac

Order: Reorder
Duration: 19:51
Updated: 20 Apr 2013

The tale of Dirac in documentary form.

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Total war Shogun 2: 1v1 online vs Paul Dirac #1

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Duration: 28:00
Updated: 23 Jun 2013

1/2 games I've played with TWR Paul Dirac.

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Dirac Lecture 4 (of 4) - Does 'G' vary? (Large Numbers Hypothesis)

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Duration: 70:13
Updated: 26 Jul 2013

After these four lectures, Dirac travelled to Australia to deliver more lectures. Unfortunately I don't know if video recordings of these were made. One lect...

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shogun 2 total war paul dirac vs thegranduck game 2 w/ majutsu and others

Order: Reorder
Duration: 14:55
Updated: 14 Aug 2013

so this is the second game between paul from TWR vs thegranduck from V_M and am joined by maju and whit prussia and a few others impute from behind the scene...

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Murray Gell-Mann talks about Richard Feynman

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Duration: 5:31
Updated: 17 Aug 2013

In this interview, Murray Gell-Mann talks about his experience of working along with Richard Feynman in Caltech. A good insight into the two clashing persona...

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Einstein, Dirac, Godel, Selberg, Harish-Chandra in Princeton.

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Duration: 3:18
Updated: 08 Aug 2013

Einstein, Dirac, Godel, Selberg, Harish-Chandra in Princeton.

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John Von Neumann Interview

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Duration: 2:31
Updated: 18 Aug 2013

John Von Neumann appears on the television program "America's Youth Wants To Know". He made this appearance when he was the Commissioner of the Atomic Energy...

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Unsolved Paul Dirac Non-Constant Time equation note handed to Gadgeteer shown

Order: Reorder
Duration: 6:13
Updated: 25 May 2012

Can you figure out this equation? Paul Dirac himself handed this note to one of the Vancouver Gadgeteers, who kept it for decades. Paul Dirac's "Time Is Not ...

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photo: AP / Tiziana, Pool

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Amanda Knox faces verdict in Italy retrial for the murder of Meredith Kercher

South China Morning Post

30 Jan 2014

American Amanda Knox will not be in court on Thursday to hear Italian judges give their verdict in her retrial for the murder of Briton Meredith Kercher when the two were roommates studying in Perugia in 2007. Knox, who is living in Seattle, is standing trial alongside her Italian former boyfriend Raffaele Sollecito. She denies any involvement in the brutal killing and has declared she will remain a “fugitive” if found guilty ... ....(size: 4.0Kb)

photo: AP / Pier Paolo Cito

U.S. murder suspect Amanda Knox talks to a lawyer prior to a defense hearing at the court in Perugia, central Italy, Thursday, Dec. 3, 2009.

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Amanda Knox found guilty of murder for the second time

The Examiner

31 Jan 2014

Former exchange student convicted of killing her roommate in Italy in 2007 was found guilty for the second time on Thursday January 30, CNN reports. In 2009 Amanda Knox and her ex-boyfriend Raffaele Sollecito were convicted in the 2007 murder of Meredith Kercher ... ...There has always been a marked lack of evidence." ... ....(size: 1.5Kb)

photo: AP / Denis Tyrin

Military vehicles surround a wreckage of a trolleybus, in Volgograd, Russia, Monday, Dec. 30, 2013.

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Russia Says It Has Identified Volgograd Bombers, Arrests 2

Huffington Post

30 Jan 2014

MOSCOW, Jan 30 (Reuters) - Russia has identified two suicide bombers responsible for attacks that killed 34 people in the city of Volgograd last month and arrested two suspected accomplices in violence-torn Dagestan province, officials said on Thursday ... A bombing at the railway station in Volgograd on Dec ... 7 ... Buinaksk is a city in Dagestan ... It identified them as Magomednabi and Tagir Batirov and said the investigation was continuing ... ....(size: 4.4Kb)

photo: WN / Imran Nissar

Kashmiri Muslim offer prayers during Eid-e-Milad-un-Nabi, the birthday of the prophet, at the Hazratbal Shrine in Srinagar Tuesday on January 14, 2014.

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On constitutions, Sharia and Muslim political thought

Al Jazeera

31 Jan 2014

In the Arab Spring's aftermath, and the catastrophic divisions and violence in Egypt, Libya and Tunisia - not to forget ongoing debates in almost every Muslim majority country concerning citizenship, rights, responsibilities of citizens and the constitutional contestations in the modern nation state - Muslim political parties across the region are facing textual, interpretational and conceptual challenges.   ... ... ... ....(size: 12.6Kb)

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Physicists Create Magnetic 'Monopole,' Confirming Prediction Made In 1931

Huffington Post

01 Feb 2014

In 1931, British physicist Paul Dirac theorized that if magnetic monopoles did exist, it would not only address this seeming imbalance, but would also explain why charge exists in discrete packages ... Publishing today in Nature, a team led by David Hall at Amherst College in Massachusetts has recreated Dirac’s monopole by simulating one in a cloud of super-cold rubidium atoms....(size: 8.4Kb)

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Scientists engineer 'elusive' magnetic monopole in quantum system

Newstrack India

31 Jan 2014

"Monopoles" had been predicted by physicist Paul Dirac in 1931 - but remained elusive till now ... known as a "Dirac string", the BBC reported....(size: 0.9Kb)

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In praise of … monopole magnets

The Guardian

31 Jan 2014

Developing the same quantum theory that implies that a puss can at once be both purring away and resting in peace, Paul Dirac postulated tiny monopole magnets to tidy up loose ends in the ......(size: 0.9Kb)

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Elusive magnetic 'monopole' seen in quantum system

BBC News

30 Jan 2014

"Monopoles" were by physicist Paul Dirac in 1931 - but they have remained elusive ... "[Our work] provides conclusive and long-awaited experimental evidence of the existence of Dirac monopoles ... Researchers have hunted for them since Paul Dirac first theorised their quantum-mechanical characteristics in 1931 ... Using direct imaging, they detected a distinct signature of the Dirac monopole - known as a "Dirac string"....(size: 2.3Kb)

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>Physicists Finally Made The One-Poled Magnet They've Been Missing For 80 Years

Seattle Post

30 Jan 2014

Monopoles were first conceived in their modern form more than 80 years ago by Paul Dirac, one of the founders of quantum mechanics ... Now, researchers at Amherst College in Massachusetts and Aalto University in Finland have created a mysterious Dirac monopole in the lab ... The mathematics that describe the theoretical behavior of the Dirac magnetic ......(size: 5.0Kb)

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Physicists Finally Made The One-Poled Magnet They've Been Missing For 80 Years

Houston Chronicle

30 Jan 2014

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Scientists discover long-awaited synthetic particle (Aalto University)

noodls

30 Jan 2014

(Source. Aalto University). 29.01.2014 ... David S ... Möttönen ... Some 80 years ago Paul A. M. Dirac, one of the founders of quantum physics, discovered a quantum-mechanical structure allowing the existence of magnetic monopoles. Dirac's original framework has now been experimentally realized for the first time. The observation of the synthetic magnetic monopole was published in Observation of Dirac Monopoles in a Synthetic Magnetic Field. M. W ... S ... m ... V....(size: 4.2Kb)

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Scientists Create a Magnetic Monopole

Voa News

30 Jan 2014

More than 80 years ago British theoretical physicist Paul Dirac predicted that magnetic monopoles are possible, but they have never been found in nature ... ....(size: 0.9Kb)

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Bizarre Magnetic Particle Revealed in Ultra-Cold Lab Experiment

Yahoo Daily News

29 Jan 2014

And the monopole and electron system behaves just as English physicist Paul Dirac predicted it would in 1931 ... In 1931, Dirac tried to imagine how this monopole could be consistent with the Standard Model, the reigning physics theory that describes the behavior of tiny particles ... Unfortunately, scientists have searched in vain for natural monopoles, so it was difficult to test Dirac's theory....(size: 4.1Kb)

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The Kronies Love Small Business And Hate Crony Capitalism, But Can They Bring People Together?

Huffington Post

27 Jan 2014

Here comes the populist right! A mysterious new online entity calling itself Chimera Global Holdings is pushing a new comedy video/action figure marketing venture celebrating small businesses and excoriating the evils of crony capitalism. Ladies and gentlemen, gird your loins in preparation for America's newest political antiheroes ... the Kronies! ... The answer to that question is ... Also on HuffPost ... Paul Dirac ... Paul Erdos ... Linus Pauling ... ....(size: 3.3Kb)

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No Sixth Sense? ESP Debunked In New Psychology Study

Huffington Post

16 Jan 2014

Ever get the feeling you have extrasensory perception, or ESP -- a "sixth sense" that gives you powers of perception that transcend the familiar five senses?. Well, you're wrong about that. A new study, published online Jan. 13 in the journal PLOS ONE, shows that there's simply no such thing as a sixth sense. Didn't see that coming, huh? ... Also on HuffPost. Loading Slideshow. Jane Goodall ... Paul Dirac. Nobel Prize-winning physicist Paul Dirac ... ....(size: 3.7Kb)

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A Pill For Perfect Pitch? New Research Suggests There May Be One

Huffington Post

09 Jan 2014

Before your next karaoke contest, you might want to visit a pharmacist. Researchers have found that a drug known as valproate, or valproic acid, might help people learn how to produce perfect pitch ... Perfect pitch, which scientists refer to as absolute pitch, is the rare ability to identify or produce the pitch of a musical note without any reference point ... Your brain on drugs ... ]]> ... Paul Dirac. Nobel Prize-winning physicist Paul Dirac ... Like....(size: 6.0Kb)

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Science: A Laughing Matter?

National Public Radio

30 Dec 2013

The Guardian recently published an amusing compilation of science jokes solicited from a variety of scientists. They range from classics you may have come across, like these.. A psychoanalyst shows a patient an inkblot, and asks him what he sees. The patient says. "A man and woman making love." ... The psychoanalyst says ... Why did Erwin Schrödinger, Paul Dirac and Wolfgang Pauli work in very small garages? Because they were quantum mechanics ... ....(size: 3.5Kb)

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Related Topics

Graham Farmelo on Paul Dirac and Mathematical Beauty

Dirac Lecture 1 (of 4) - Quantum Mechanics

Legendary Physicist and Florida State Professor Paul Dirac

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R. P. Feynman: Elementary Particles and the Laws of Physics (1986 Dirac memorial lecture) I

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Make changes yourself !

Make changes yourself !

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Legendary Physicist and Florida State Professor Paul Dirac

Paul Dirac on Dimensionless Physical Constants

R. P. Feynman: Elementary Particles and the Laws of Physics (1986 Dirac memorial lecture) I

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Paul Dirac and the religion of mathematical beauty

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Mastermind: Paul Dirac

What is life?

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Dirac notation

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Paul Dirac, his equation and his radio

Reminiscenses of Paul Dirac by Victor Shapiro

Murray Gell-Mann talks about Richard Feynman

Einstein, Dirac, Godel, Selberg, Harish-Chandra in Princeton.

John Von Neumann Interview

Unsolved Paul Dirac Non-Constant Time equation note handed to Gadgeteer shown