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I have a general question concerning the description of a Figure, taken from Griffiths' Introduction to Elementary Particles, page 20:...
Asked on 11/27/2020 by MathIsFun
1 answerI am researching the impact Time Dilation of Earth (Velocity not gravitational) has on the Hubble Constant and am looking for available data. Hubble's Orbit = 8,040 mps; Earth Orbit...
Asked on 11/27/2020 by Richard Bradford
0 answerI have read this question: Does light travel "quantised"? Or , is it perceived as quantised only when it interacts ,i.e, undergoes measurement?The underlying spacetime interval is zero, that...
Asked on 11/27/2020
5 answerThe math shows that it's possible to have a curved 4-dimensional Minkowski space such that there's a continuous bijection from it to $R^4$ and a closed light-like curve and some...
Asked on 11/27/2020
1 answerThe flux and angular position of the graph has been...
Asked on 11/27/2020 by TeilZeitGott
0 answerHow much the liquid water can be compressed? I mean the maximum achieved in practice and the maximum achevable in theory. Are there any Applications to compressed water?...
Asked on 11/27/2020 by Joe Jobs
0 answerI am currently working on a project requiring the use of Peltier devices. I have attached the cool side of the device to a copper plate and the hot side...
Asked on 11/27/2020
1 answerGriffiths example 3.8 saysAn uncharged metal sphere of radius $R$ is placed in an otherwise uniform electric field $mathbf{E}=E_{0} hat{mathbf{z}} .$ The field will push positive charge to...
Asked on 11/27/2020
3 answerI am now reading some articles about Dirac fermions in condensed matter physics and the most famous example is graphene. I am now trying to understand page 5 in this...
Asked on 11/27/2020
1 answerIs it plausible that a possible extraterestrial scientist from a galaxy 13 bilion light years from us sees this part of the universe nothing else than just background cosmic radiation......
Asked on 11/27/2020
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