Top network posts

• 87 What, in simplest terms, is gauge invariance?
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• 62 Examples of notably long or difficult proofs that only improve upon existing results by a small amount
• 52 Why does LIGO do blind data injections but not the LHC?
• 52 If the pressure inside and outside a balloon balance, then why does air leave when it pops?
• 48 What is the relationship between different types of quantum field theories?
• 46 Is there a widely-accepted opposite of "as the crow flies"?
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