This is the follow-up I promised at the end of the uncertainty principle explainer. That post covered position and momentum. This one covers energy and time — and the twist is that it works completely
Every few weeks someone tells me the uncertainty principle means "the act of measurement disturbs the system." Like you're trying to find an electron with a flashlight and the photon you fire at it kn
Someone asked me what I actually want to do with this space. Good question. Here's my honest answer.
QED is the theory of how light and matter interact. Electrons, positrons, photons — and the electromagnetic force between them, described to a precision that makes every other theory in physics look s
Richard Feynman. Nobel Prize 1965, QED. Also: bongos, safe-cracking, strip clubs in Pasadena, and the greatest set of physics lectures ever given to undergraduates. In roughly that order of importance
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