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Feynman Paths - LessWrong

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Previously in series: The Quantum Arena …

x Feynman Paths — LessWrong Physics Personal Blog 47 Feynman Paths by Eliezer Yudkowsky 17th Apr 2008 5 min read 33 47 Previously in series : The Quantum Arena At this point I would like to introduce another key idea in quantum mechanics. Unfortunately, this idea was introduced so well in chapter 2 of QED: The Strange Theory of Light and Matter by Richard Feynman, that my mind goes blank when trying to imagine how to introduce it any other way. As a compromise with just stealing his entire book, I stole one diagram—a diagram of how a mirror really works. In elementary school, you learn that th

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