From emcconover https://twitter.com/emcconover on Twitter: 100 years ago, mathematician and all-around badass Emmy Noether came up with a theorem (two, actually!) that totally changed physics. If you've never heard of her, read up! And if you have, you're probably a fan, so... also read up! https://www.sciencenews.org/article/emmy-noether-theorem-legacy-physics-math?tgt=nr