AMA | October 2024

10069.168 - 10091.221 Sean Carroll

Then there is no quantum mechanical Laplace's demon, full stop. That's it. People will nevertheless say information is conserved, but secretly they mean as long as you're not doing a measurement, okay? There's yet another footnote saying that in something like pilot wave theories or many worlds, there's a sense of which information is still conserved, but you don't have access to it.