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Physics
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Red Act's user avatar
Red Act
  • Member for 9 years, 11 months
  • Last seen more than a week ago
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56
Is time dilation due to the travel time of light?
Sep 9, 2014
28
How to determine your position underground?
Sep 12, 2014
24
Can a massive object have an escape velocity close to $c$ and not become a black hole?
Mar 14, 2018
24
Why is a second equal to the duration of exactly 9,192,631,770 periods of radiations?
Mar 13, 2016
22
Is special relativity a special case of general relativity, qualitatively?
Sep 7, 2014
17
A few questions on passive vs active Lorentz transformations
Sep 12, 2014
15
Why do two heaters with the same power produce different heat?
Apr 11, 2021
15
What is the meaning of this "let there be light" joke?
Aug 29, 2014
14
Why can I see my breath after I pop my ears?
Sep 19, 2014
13
Can information be recorded permanently?
Apr 16, 2021
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Definition of Lie Derivative of a Differential Form