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Purplestripes8 t1_j8h5094 wrote on February 14, 2023 at 7:01 AM

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

Location is indeed a way to distinguish identical particles, however if two identical particles share the same location then there is no way to distinguish them. You can not say "which is which", only that two particles came in and two went out.