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Physics
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Shuheng Zheng

Work as a software engineer by day. Rest of the time doodle with math, physics, or read about political economy and history. Eventually realized politics is circular and futile and then go back to math.

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  • Seattle, Washington, United States
  • JohnZ622
  • Member for 3 years, 10 months
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  • Last seen Oct 7 at 15:16

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Top posts (18) All Questions Answers | Votes Newest

22 What determines the top speed in ice skating? Sep 30
19 Why do balloons get cold when they deflate? [duplicate] Aug 17
7 Why isn't scaling space and time considered the 11th dimension of the Galilean group? Jun 1
4 In special relativity, why is the time dilation factor different from different points in space? Jun 5
4 Do I do zero net work if I start and stop a spaceship in vacuum? Jun 28
2 Why cannot we determine our own velocity? Jun 5
2 Why is spacetime interval invariant under Lorentz transform? Jun 3 '17
2 Ideally, how to achieve isothermal expansion of an ideal gas? May 16 '18
2 Definition of Galilean structure in Arnold's book? Jul 19 '18
1 Question about Galilean time invariance Jul 22 '18
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