Physics
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Alex
  • Member for 9 years, 2 months
  • Last seen more than a month ago
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22
answers
14
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9
Score
7
Posts
19
Posts %
4
Score
4
Posts
11
Posts %
4
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4
Posts
11
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3
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8
Posts
22
Posts %
3
Score
7
Posts
19
Posts %
3
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4
Posts
11
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Top posts
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All Questions Answers
Score Newest
question
7
Intuition for Hamilton-Jacobi equation derived from least action
Aug 3, 2018
question
5
Deriving special relativity free particle Lagrangian using infinitesimal boost?
Jan 25, 2019
question
5
Invariance of $ds^2$ from invariance of all null intervals
Mar 12, 2019
answer
5
How do I expand: $\langle u , \nabla\rangle u$?
May 12, 2022
question
4
How does the Equivalence Principle imply that derivatives of the metric vanish in a freely falling frame?
Feb 18, 2019
answer
4
Why does everyone seem to think that moving clock appear to tick slower?
Aug 5, 2019
question
3
Stuck on Weinberg's quick derivation of Thomas precession
Oct 12, 2018
question
2
A physical understanding of the 2/3 in the Sachs-Wolfe effect
Sep 16, 2014
question
2
If decoupling means that photons no longer scatter how does neutral gas absorb CMB photons giving rise to the 21 cm signal?
Aug 9, 2018
question
2
What determines the timescale for fluctuations in the electromagnetic field from a light source?
Oct 3, 2018
Top network posts
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57
Sum array by number in numpy
46
Who runs the callback when using apply_async method of a multiprocessing pool?
14
What resources does an instance of a class use?
5
How to tell if an apply_async function has started or if it's still in the queue with multiprocessing.Pool

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