AMA | October 2024

12048.341 - 12069.218 Sean Carroll

And so you can make a prediction, and then you go back and test the prediction, and the model that works is the one where the constants of nature had basically the same values back then as they do now. Norman Wickner says, is the wave function defined on all of the universes, those that exist after multiple splits at once, or is there a different wave function defined on each?