AMA | October 2024

2956.571 - 2978.137 Sean Carroll

and they add up to one, and their sum is constant over time. In other words, it's exactly what you want for a probability. So once you think that you will get a probability distribution out of many worlds, the fact that it is the wave function squared is the easiest thing in the world. There's nothing else it could have been, right? If you'd said the wave function to the fourth...