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Physics
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Yly
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View all questions and answers
answer
44
Why don't we prove that functions used in physics are continuous and differentiable?
Jul 30, 2020
answer
42
How does Fermat's principle make light choose a straight path over a short path?
Jul 25, 2020
question
33
What precisely does it mean for "information to not travel faster than the speed of light"?
Nov 30, 2018
question
32
What will we learn from further LIGO events?
Jun 1, 2017
answer
23
Can light be compressed?
Dec 1, 2018
answer
21
Why can we distinguish different pitches in a chord but not different hues of light?
Dec 1, 2018
answer
20
Why can't the human eye focus to make blurry photos/video clear?
Dec 16, 2020
question
19
What makes the thorium-229 nuclear transition special?
Feb 3, 2018
question
16
Why is $T\overline{T}$ deformation so exciting?
Jan 20, 2020
answer
10
Why can't the Schrödinger equation be solved exactly for multi-electron atoms? Does some solution exist even in principle?
Sep 10, 2018
Top Meta posts
6
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21
Are questions about the identification of physical phenomena on-topic?
14
"You did the measurement wrong" is not an answer
7
Reopening a question about the recent LIGO event
5
Why is this question about measurement off-topic?
Top network posts
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174
Mathematical ideas that took long to define rigorously
95
What are some examples of when Mathematics 'accidentally' discovered something about the world?
72
Mathematical ideas that took long to define rigorously
55
What's new in higher dimensions?
48
What exactly is a matrix?