Top Network Posts
- 33Why do electron and proton have the same but opposite electric charge?
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- 11What is the difference between pole and running mass?
- 10Why is there extra minus sign in Feynman's rules for every closed fermionic loop?
- 9Did really everything begin with a state with very low entropy?
- 8Normal ordering in curved spacetime
- 7Vacuum and repulsive gravity
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