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A comment on The Positive Electron (1933). Parent comment

Re:The Positive Electron (1933) by winter_blue on Saturday February 04, 2017 @04:49PM (#13569292)
Anti-particles and particles instantly annihilate each other on contact, so anti-particles cannot not exist in our world besides for brief moments.

There's a theory that half of the universe is made of anti-particles (and the other half composed of regular particles). So you could say that the half we inhibit has few anti-particles in it.

See: https://en.wikipedia.org/wiki/Annihilation

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Re:The Positive Electron (1933) by averagewall on Saturday February 04, 2017 @06:35PM (#13569756)
They're also created all the time by radioactive decay which happens in common building materials. So yes, they'll be flying around your room now, but not going much further than that.
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