User Alex A

56 votes

Is the universe fundamentally deterministic?

answered May 8, 2013 at 14:46

19 votes

Why is a proton assumed to be always at the center while applying the Schrödinger equation?

answered Dec 31, 2013 at 9:06

15 votes

Wicks Theorem and Gaussian Integrals

answered Feb 27, 2014 at 11:07

4 votes

If one is travelling at a significant fraction of $c$, will the length of the trip be shortened?

answered Jan 30, 2014 at 19:56

4 votes

Why do lumps of sugar break more easily when blowing in it?

answered May 5, 2013 at 13:19

2 votes

Accepted

Electron in an infinite potential well

answered May 11, 2013 at 14:31

2 votes

What does library number 539 mean in physics books?

answered Mar 12, 2014 at 15:36

1 vote

Simple conservation of momentum and frame of reference problem

answered May 10, 2013 at 19:47

1 vote

Accepted

Why do arrows point backwards in time for Feynman Diagrams?

answered Nov 20, 2013 at 14:11

1 vote

Why Quantum Mechanics as a non-fundamental effective theory?

answered May 5, 2013 at 12:17

1 vote

Is it true that quantum mechanics technically allows anything to happen?

answered May 10, 2013 at 11:23

0 votes

Are there problems solvable with Newtonian physics, GR and QM?

answered May 10, 2013 at 13:42

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12 Answers

Is the universe fundamentally deterministic?

Why is a proton assumed to be always at the center while applying the Schrödinger equation?

Wicks Theorem and Gaussian Integrals

If one is travelling at a significant fraction of $c$, will the length of the trip be shortened?

Why do lumps of sugar break more easily when blowing in it?

Electron in an infinite potential well

What does library number 539 mean in physics books?

Simple conservation of momentum and frame of reference problem

Why do arrows point backwards in time for Feynman Diagrams?

Why Quantum Mechanics as a non-fundamental effective theory?

Is it true that quantum mechanics technically allows anything to happen?

Are there problems solvable with Newtonian physics, GR and QM?