TL;DR
In this episode of Veritasium, Derek Muller unpacks Paul Dirac’s quest to make sense of negative energy in quantum mechanics. By tracing the failures of the Schrödinger and Klein-Gordon equations, we meet Dirac’s eponymous equation and its wild prediction: the existence of anti-electrons (positrons) and an “anti-universe” where antiparticles might even travel backward in time.
With expert commentary from Graham Farmelo and Cumrun Vafa, plus archival treasures from FSU and Caltech, the video explores both the science and the personal highs and lows of Dirac’s life. Along the way, you’ll get links to further reading, a shout-out to Hostinger, and a peek behind the scenes at the team that brought the story to life.
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