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This answer bothered me. Is he just saying that any supposed delays of "light" we can set up through experiment are really just delays in instantaneous absorption/emission pairs, or is he talking about entangled photons, or some preferred space of simultaneity, or photons not being particles but vectors in a timeless configuration space?



I loved this reply. Clarifying and correct, as far as I can tell.

http://www.reddit.com/r/IAmA/comments/mateq/i_am_neil_degras...


Most probably he is talking about the fact that proper time for all events in Photon's own frame is zero, i.e. a frame that move with speed of light will notice that all events are instantaneous.




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