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user27182
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28
What happens when a photon hits a mirror?
Aug 30, 2012
17
Is there a thought experiment which brings to light the contradiction between General Relativity and Quantum Mechanics?
Sep 2, 2012
17
Why is electrical energy so difficult to store?
Mar 8, 2013
16
Is acceleration relative?
Mar 25, 2012
13
What really goes on in a vacuum?
Aug 13, 2012
11
What does the Reynolds Number of a flow represent physically?
May 10, 2013
9
Will a football (soccer) diffract? [duplicate]
Mar 29, 2013
8
How do we make symmetry assumptions rigorous?
Feb 12, 2013
6
Deriving the Angular Momentum Commutator Relations by using $\epsilon_{ijk}$ Identities
May 26, 2013
4
Show that for QM operator $A$ that $\int_{-\infty}^{\infty}\psi A^{\dagger}A\psi dx = \int_{-\infty}^{\infty}(A\psi)^*(A\psi)dx $ [closed]
Apr 2, 2013
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22
Is there a formula for $\sum_{n=1}^{k} \frac1{n^3}$?
22
Why is boundary information so significant? -- Stokes's theorem
13
Fermat's 'proof' of his Last Theorem
13
what is the definition of $=$?
11
Suggest an Antique Math Book worth reading?