Noether's Theorem and The Symmetries of Reality
PBS Space Time · 5 则 HN 推荐
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PBS Space Time explains Noether's theorem: conservation laws such as energy and momentum are consequences of deeper symmetries. It also covers why those laws hold only under certain conditions.
HN 推荐的原因： HN commenters point to it as an approachable explanation of how symmetries give rise to conservation laws, including the story of Emmy Noether.
“It's such an aha moment.” 阅读 HN 讨论 ↗