« What I'm going to talk about now is well known. I am always asked to talk about the latest developments in attempts at great unification, I am never given the opportunity to talk about things I know well. People always want to learn from me things I don't know myself. So I'm not going to try to put you in full view with theories that are still simmering, which are only partially analyzed. I prefer to talk to you today about an area that has been perfectly well analyzed. It is this part of physics that never ceases to provoke my wonder and which is called quantum electrodynamics. »
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Richard Feynman
Light and matter |
Richard Feynman
Light and matter
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« The theory of quantum electrodynamics provides us with a description of nature that is absurd from the point of view of common sense. But it is in perfect agreement with the experience. So I hope you will accept nature as it is: absurd. »
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Richard Feynman
Light and matter |
Richard Feynman
Light and matter
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« With his relativistic equation, Paul DIRAC was the first to marry quantum mechanics and relativity. »
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Richard Feynman
Particles and Laws of Physics: Lectures in Memory of Paul Dirac |
Richard Feynman
Particles and Laws of Physics: Lectures in Memory of Paul Dirac
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