AMA | September 2024

12541.046 - 12562.268 Sean Carroll

I have talked about both energy not being conserved in quantum measurement and energy not being conserved in the expansion of the universe, but let's put aside those. Let's just think about ordinary stuff here on Earth in the lab where we think energy is going to be largely conserved. There's a worry that you say, oh, it's meaningless to say there's this thing called energy that is conserved.