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Jun 2, 2020 at 23:30 comment added Red Alert a photon is a continuous line in 4d space time. As 3d observers, we can only see 3d cross sections of that photon as we move through time.
Dec 4, 2018 at 0:19 comment added Yevgeny Simkin +1. I think that the real paradox is that those of us who live in space time can measure photons whizzing about at the speed of light. A photon isn't a single continuous thing that appears in every point along its tragectory (right?) So it's natural to ask how a photon, from its own perspective, exists along all its paths at once isn't witnessed that way by those looking at it.
Nov 25, 2015 at 8:37 comment added user92340 dont know y down voted but this really explains the true reason for the happening. +1
May 4, 2013 at 13:10 history answered Murod Abdukhakimov CC BY-SA 3.0