2007-03-11 19:10 Ancheta Wis 642×468× (30790 bytes) Picture of a [[Feynman diagram]], inscribed by [[Richard P. Feynman]] to me, in my copy of Volume 3 of his [[Feynman Lectures on Physics]] ([[Quantum Mechanics]]). Picture taken by self. if you can't read the symbols, they are <math>\gamma_\mu</math> to
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