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Veritasium: Something Weird Happens When E= mc

Something Weird Happens When E=−mc²

Dive into how Paul Dirac’s quest for a relativistic wave equation upended everything: negative energy states, the Schrödinger equation’s shortcomings, the Klein–Gordon stumble and Heisenberg’s uncertainty all led Dirac to cook up his famous equation—and with it, the first-ever prediction of an anti-electron.

From the sadness of discarded solutions to the wild idea that antiparticles are really just particles traveling backward in time, this story unpacks how the “anti-world” went from math oddity to real-life positron discovery, forever changing our view of the universe.

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