AMA | October 2024

12092.392 - 12114.703 Sean Carroll

It goes back to the early 70s and Bryce DeWitt calling it the many worlds interpretation of quantum mechanics, but it's okay. It's all right to use it. It's better, we think, to call them branches of the wave function because that makes them clear that they exist inside the wave function. When people want to know where are all these other universes located, That's a category error.