BBC Inside Science cover image

Multiverses, melting glaciers and what you can tell from the noise of someone peeing

BBC Inside Science

00:00

Is There a Cold Spot in the Sky?

Theories of string theory led to the idea that there were multiple universes. But how could we possibly select ours in a multiverse? That's where i hat that idea in the coffee shop, that our universe was tiny. It was smaller than any quantum particle in the first moments of existence. And therefore i could use quanto mechanics to describe it just like we do for any quantum particle. Once i started thinking along those lines, and then the rest is a mathematical derivation.

Transcript
Play full episode

The AI-powered Podcast Player

Save insights by tapping your headphones, chat with episodes, discover the best highlights - and more!
App store bannerPlay store banner
Get the app