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Permanent magnets seems to have different properties to electromagnets, such that electromagnets can be used for induction and energy transfer if a conductor is placed within their changing magnetic field....
Asked on 05/15/2021 by Cal Aldrin
3 answerI read in this article (in "Independent"):An asteroid that is projected to come close to Earth later this year has a 0.41 percent chance of hitting the...
Asked on 05/15/2021
2 answerMaxwell equation's in differential form: $dE = 0 and (ast d ast)E = p$ in static situation. Where $E in Omega^1(U)$, $p in Omega^0(U)$,...
Asked on 05/15/2021 by User1825
0 answerI am confused with writing the equation of motion of masses and finding normal modes. The problems I've dealing with before, masses is always moved in same directions, and I...
Asked on 05/15/2021 by arfentopul
3 answerI am attempting to calculate the one-loop diagram for the $φ^3$ three-point function, which is equal to (dropping a factor of $-i$): $$g^3 int_E frac{1}{(2 pi )^4}...
Asked on 05/15/2021 by turbodiesel4598
1 answerI'm confused about how to apply the Lindblad formalism and the input-output formalism in practice, and how one goes between the two. Suppose I have a cavity (C) coupled...
Asked on 05/15/2021
2 answerI'm trying to understand how the intermediate axis theorem works. And in one of the works that I found, they used a pendulum phase diagram, but idk how to read...
Asked on 05/15/2021
1 answerI have constructed a thought experiment regarding whether the future is deterministic or not. It goes like this: Let’s take an Observer 100 light years away from earth. Now presently,...
Asked on 05/15/2021
1 answerI read Kubos paper on the Fluctuation Dissipation Theorem https://www.mrc-lmb.cam.ac.uk/genomes/madanm/balaji/kubo.pdf and right at the beginning there is a calculation which seems a bit miraculous to me$$D=lim_{ttoinfty}frac{1}{2t}langle{x(t)-x(0)}^2rangletag{2.4}$$...
Asked on 05/15/2021 by Thomas Suchanek
0 answerI realize simulation is probably the way to go on this but I wanted to get an understanding of it. I'm going to put some electronics in a plastic box...
Asked on 05/15/2021
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