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If electrons were just positrons moving backwards in time, then shouldn't we see them coming out of black holes?
I have read this question (What would happen if I crossed the shell of a hollow black hole?):
In effect, the formerly spacelike direction inwards becomes timelike, and the singularity is in the ...
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Matter beyond event horizon
Assuming that antimatter is matter with time arrow reversed, would it be right to say that matter beyond black hole event horizon then would become antimatter because of space and time axes exchanged? ...