Xaxafrad t1_iu84ot1 wrote
Reply to comment by scurvydog-uldum 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
Their quark composition. An up and two downs, vs an anti-up and two anti-downs. In both cases, their fractional electric charges cancel out.
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