Conservation of Mass Is a Bigger Army, Right?

The idea that a conservation law tells you about what's important in the universe is sort of underlying all this. And i remember learning abyut conservation momentum, and wen wondering, like, well, what is that mean? Is conserved is, like, what does it mean about the nature of the universe? We've recently found that sometimes energy is not conserved. It's just like something we came up with that makes sense to us or is important to us. But then, as you say, we discover, actually, the universe doesn't really care if energy is conserved. I just go away, and we can just sort of increase it. Dig into that podcas