lurscher

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131 Answers

newest activity votes
14
At what fraction of the speed of light have people traveled?
12
Can lightning be used to solve NP-complete problems?
11
A mirror flips left and right, but not up and down
7
Why can't a spaceship accelerate for ever? Since there is no friction in space
7
how does a helicopter get forward thrust?
7
On the nature of the collapse of the wave function
7
Great unsolved physics problems
6
What's the physical difference between the quantities $\langle v_{i}v_{j}\rangle$ and $\langle v_{i}\rangle\langle v_{j}\rangle$?
6
Define Pressure at A point. Why is it a Scalar?
5
Can low-gravity planets sustain a breathable atmosphere?
5
What makes the stars that are farther from the nucleus of the galaxy go faster than those in the middle?
4
Stuff can't go at the speed of light - in relation to what?
4
Are gravitational waves longitudinal or transverse?
4
Has anyone ever actually compared the weight of a heavily loaded centrifuge when it is spinning and not spinning?
4
Faster-than-light communication using Alcubierre warp drive metric around a single qubit?
4
Can an object move without relying upon Newtons third law?
4
How is the operation of a Goldleaf Electroscope explained in terms of virtual particles?
4
Arguments for and against Many Worlds?
4
Is the “far” universe expanding more quickly?
3
Is it possible for a physical object to have a irrational length?
3
Could the Heisenberg Uncertainty Principle turn out to be false?
3
Is quantum entanglement functionally equivalent to a measurement?
3
Having trouble seeing the similarity between these two energy-momentum tensors
3
Can Plasma Ignite?
3
What objective criteria distinguish between valid science, fringe science and pseudoscience in physics?
3
Why should one expect closed timelike curves to be impossible in quantum gravity?
3
Physics math without $\sqrt{-1}$
3
Is “analog” quantum-computation not useful?
3
How do wormholes work?
3
What prevents the accumulation of charge in a black hole?
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