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Recently I asked a question about the relationship between Von Neumann entropy and heat transfer. The link is here. Is the Von Neumann entropy related to heat transfer?...
Asked on 02/16/2021 by SuchDoge
1 answerAn induction cooktop has a high frequency power source that is applied to a coil. I was wondering if you could take the high frequency electronics on a cooktop and...
Asked on 02/16/2021 by John Froese
2 answerThere are well-known Penrose diagrams for black holes: And for collapsing star: Diagram for collapsing star...
Asked on 02/16/2021
1 answerConsider the Hamiltonian of a free (charged) particle, i.e.,$$H = frac{p^2}{2m}.$$This is easily "diagonalized" by wave functions $e^{ikx}$ (where I'm speaking loosely of diagonalization...
Asked on 02/15/2021
1 answerI would like to know how to properly write the elastic force in the classic x and y axes.I know that the global formula is $vec{F_{el}}= -kvec{x}$, but...
Asked on 02/15/2021
0 answerI believe a magnetic field is caused by movement of charged particles. But, what is it that is actually making the force between two magnets repel or attract to another?...
Asked on 02/15/2021 by Bob22
4 answerWe know that the area of a circle at rest frame is $$A=pi x^2$$ from $pi xy$ where y=x If I move this circle with velocity $v$...
Asked on 02/15/2021
1 answerThe IFLScience article Scientists Work Out How To Make Matter From Light describes photon-photon collisions producing pairs of particles, and the Nature Photonics Letter ...
Asked on 02/15/2021
1 answerIt stands to reason if gravity changes the color of light then the color will be affected by gravitational waves. My question is, when the waves pass, will the color...
Asked on 02/15/2021
3 answerI'm assuming the answer to the first question is yes, if I'm wrong, this will be an easy one to clean up. Forgive me is this is a stupid question....
Asked on 02/15/2021 by Jimmy G.
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