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by westurner 395 days ago
Photons certainly appear to have a real physical location with 1e9 FPS imaging capabilities:

"Visualizing video at the speed of light — one trillion frames per second" (2012) https://youtube.com/watch?v=EtsXgODHMWk&

But is there an identity function for a photon(s), and is "time-polarization" necessary for defining an identity function for photons?