In Our Time: Science cover image

Paul Dirac

In Our Time: Science

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The Dirac Equation

Dirac was working to try and explain the electron, as we've already heard. He got this solution with this negative energy, and he tried to explain it away. And then he came up with an answer, something called a spinner. Because of its nature, it had more information in it than anything before. It gave the electron an intrinsic quantum property, which was previously identified as something called spin. But here's the thing you got to understand, people think when you say the spin of an electron, you imagine a little yellow ball spinning around. So Dirac immediately realized that was a problem because an electron is point of absolute point,. How can I describe a property like spin?

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