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binarycow t1_j8gxe0t wrote

Reply to comment by masterofshadows in Light traveling through a medium that slows it. Does the same photon emerge? by TheGandPTurtle

>So then do we know for sure photons actually move and don't just vibrate or something causing the next one in the chain to vibrate or something like that? Kind of how AC current works except with photons?

Does it matter if individual photons move?

All that matters is the end result.

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