Top network posts

• 14 Why, when going from special to general relativity, do we just replace partial derivatives with covariant derivatives?
• 9 Why does there being no finite dimensional unitary representations of the Lorentz group lead to QFT?
• 7 Training tactics - doing more easy puzzles or fewer, but deep, puzzles?
• 6 Can a free particle ever emit a particle?
• 6 Why do self-adjoint operators have to be densely defined?
• 5 Why are thermodynamic potentials minimised?
• 5 Why is the normal argument for fermions/bosons wrong?
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