Something Weird Happens When E=−mc²
Veritasium dives into how Paul Dirac’s quest to fix the Schrödinger equation with relativity accidentally predicted negative-energy solutions—ushering in the idea of antimatter. From the quirks of the Klein-Gordon equation to Heisenberg’s uncertainty, Dirac’s famous wave equation not only explained electron spin but forced him to confront a “sad” universe filled with holes of opposite charge.
Those holes turned out to be real: the positron, or anti-electron, was discovered soon after. The video then playfully explores the notion that antiparticles can be viewed as particles zipping backward in time, hinting at a mirror “anti-world” hiding just beyond our normal universe.
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