Richard Feynman: QED

Richard Feynman: QED

Penguin Books

Quantum electrodynamics - or QED for short - is the 'strange theory' that explains how light and electrons interact. Thanks to Richard Feynman, it is also one of the rare parts of physics that is known for sure. In this lucid set of lectures, Feynman provides the definitive introduction to QED.

Science

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People are always asking for the latest developments in the unification of this theory with that theory, and they don't give us a chance to tell them anything about what we know pretty well. They always want to know things that we don't know.

Chapter 1

What I am going to tell you about is what we teach our physics students in the third or fourth year of graduate school - and you think I'm going to explain it to you so you can understand it? No, you are not going to be able understand it. [...] You see my physics students don't understand it either. That is because I don't understand it. Nobody does.

Chapter 1

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