2 ms·

How will they know we're not made of antimatter?

• benj111 7y ago
  Aren't matter and antimatter a matter of perspective? If so haven't we just reintroduced the left/right problem.
  • ISL 7y ago
    Precisely.
• raldi 7y ago
  If we're not sure both sides of the conversation are made of the same particles, the situation is hopeless.
• FreeFull 7y ago
  As far as astronomers can tell, there is very little antimatter in the observable universe (If there was more, we'd see it anihilating with matter more).
• naturlich 7y ago
  They didn't explode when we shook hands (/tentacles/general-graspy-bits)