Richard P. Feynman quoteRichard P. Feynman [1918-1988]
American Physicist Quote rank: 205
If we have an atom that is in an excited state and so is going to emit a photon, we cannot say when it will emit the photon. It has a certain amplitude to emit the photon at any time, and we can predict only a probability for emission; we cannot predict the future exactly. |
Future
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