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Can a photon still consider all paths in an infinite universe?
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My understanding is a photon still considers paths which violate light speed (wavefunctions cannot have compact support), though paths further away from the classical paths cancel each other. Can it still (theoretically) calculate every path in an infinite universe?

Is the answer those paths are going to cancel each other, it can chart a path to the dimension with the noodle people in Everything/Everywhere for all I care, it's getting crossed off?

Or am I trying to impose objective reality where it doesn't belong, and it's more like: quantum theory's already passing complex numbers around like joints at a Grateful Dead concert. We've violated basic arithmetic a couple hundred times, why stress about an infinite series?

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1 month ago