303 | AMA | February 2025

8739.901 - 8762.233 Sean Carroll

Among one—one among a large number of avatars of this particular problem is what is called the problem of time. This is what we were talking about in the solo episode recently. If you naively plug away, treat general relativity like a field theory, quantize it, you get an equation called the Wheeler-DeWitt equation, which says that the wave function of the universe doesn't evolve with time.