Veritasium takes us on a wild ride through Paul Dirac’s struggle with negative energy in quantum mechanics—starting with the “wrong” Schrödinger and Klein-Gordon equations and ending with his breakthrough Dirac equation that predicts whole anti-worlds of particles zipping backward in time. Along the way we meet the strangeness of Heisenberg’s uncertainty, the “saddest chapter” in modern physics, and the moment the positron (anti-electron) was finally spotted.
Featuring insights from Graham Farmelo and Cumrun Vafa, plus animations and archival treasures from FSU and Caltech, this video shows how a theoretical oddity became one of the biggest plot twists in science: antimatter is real, and it’s stranger than fiction.
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