svladcjelli42 t1_iu9p3s6 wrote
Reply to comment by onewobblywheel in TIL that antimatter is made with antiprotons, which are the opposite of protons, with a negative charge, antineutrons with a neutral charge and positrons, which are the opposite of electrons, with a positive charge. by Doomguy2021
It is now generally accepted that Feynman is correct about that, in the sense that reversing charge and parity is indistinguishable from reversing direction in time. It's one or the other, but there isn't really a difference.
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