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Physics
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d_b
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Top posts

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75
Why is there a need for the concept of energy if we have the concept of momentum?
Oct 11, 2020
34
Why does the vacuum even have permeability and permittivity?
Nov 9, 2018
23
Idea of Covering Group
Jan 31, 2014
22
Is the magnetic vector potential "real" in classical electromagnetism?
Aug 7, 2023
21
Why is quantum gravity non-renormalizable?
Jun 30, 2019
20
Why is the centre of mass of a semicircular wire outside the body?
Sep 30, 2020
17
Why does the bar in the gym not fall when one side is loaded with weight?
Aug 4, 2025
16
Why does charge accumulate at points?
Jan 28, 2014
15
What is the physical importance of topological quantum field theory?
Mar 31, 2021
14
Is this four-step recipe for quantization always valid?
Jul 27, 2020

Top network posts

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80
What is the geometry in algebraic geometry?
11
Is it correct to say "My teacher yesterday was in Beijing."?
6
Is a book fund related to money?
6
Proving that simple harmonic motion and pendulum motion are periodic
6
Is it "beat three men off" or "beat off three men"?