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Cold or slow neutrinos have non-relativistic velocities and hence very low energies. That makes them very difficult to detect. Answers to Where are all the slow neutrinos? make it...
Asked on 08/23/2021
2 answerWill magnets lose strength over time when coupled to another magnet ? Im designing a part (c. 200g) which needs to be held in place, but also be removable, so...
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3 answerThe nuclear force spin dependence term of deuterium is easy to explain, its was explained before in this site in question 288357. But what about larger nuclei with higher...
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0 answerThe principle of least action says that a body moves in such a way that the action value $S=int L dt$ is stationary (often minimal). The...
Asked on 08/23/2021
1 answerI am looking to understand the equation and physics of audio transmission through walls. I wish to model the indoors transmission of sound between rooms and I wish for any...
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2 answerWe know that heat capacity is an extensive quantity, basically meaning for double the amount of substance you need double the energy to increase temperature. To what extend is this...
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3 answerWorking through chapters 6 through 8 in Srednicki's "quantum field theory", I am having some trouble conceptually understanding what is happening when we take time ordered products of operators in...
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1 answerI have recently been reading literature on geometric constructions of representations of affine Lie algebras by Nakajima and others. In particular, the representations arise as cohomologies of moduli...
Asked on 08/23/2021
1 answerThe Meissner effect expels magnetic field lines in a super conductor, see the picture below. Left is normal conducting, right is the superconducting state. ...
Asked on 08/23/2021
1 answerThe planck length is considered by many to be a lower bound of the scale where new physics should appear to account for quantum gravity.The reasoning behind, as far...
Asked on 08/23/2021
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