Listen "Antimatter: Matter's "Evil Twin""
Episode Synopsis
Physicists have done the math and there should be as much antimatter as matter in the universe — but that hasn't been the case so far. NPR correspondent Geoff Brumfiel explains what's up with matter's "evil twin," antimatter. (Encore episode)Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
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