Find answers to your questions about Physics or help others by answering their Physics questions.
I have come across some information about metallic glasses which has brought up questions. I have read that due to the need for high cooling rates generally, quantities of metallic...
Asked on 01/21/2021 by Σ baryon
0 answerConsider an arbitrary connection $Gamma$, compatible with the metric, in 4 dimensional spacetime:$$nabla_{lambda} , g_{mu nu} equiv partial_{lambda} , g_{mu nu} - Gamma_{lambda mu}^{kappa}, g_{kappa nu} -...
Asked on 01/21/2021
4 answerA document says the spectral level (in Watts/Hz) of a pulse with pulse repetition frequency f (in Hz) and pulse duration t (in seconds) and pulse peak power P (in...
Asked on 01/21/2021 by darkblue80
0 answerPhysicists told us that we don't actually "touch" the chair we are sitting on, rather, we are hovering on top of it. I wonder if this repulsion between atoms is...
Asked on 01/21/2021 by user1589188
1 answerIn Martin's SUSY Primer, he claims:For the higgsinos and gauginos, [the ability to have a mass term]follows from the fact that they are fermions in a...
Asked on 01/21/2021 by user41145
0 answerI haven't seen any literature on the difference between erasing the photon's which-slit information vs just hiding it forever. Erasing quantum-information is effectively just a perpetual quarantine from the universe....
Asked on 01/21/2021 by Hierarchist
1 answerSo assume a pressure-driven, incompressible, and steady flow in $x$-direction between 2 inf. fixed surfaces. Why should the partial derivative $frac{partial P}{partial x}$ in the Navier-Stokes Eqn. be...
Asked on 01/21/2021 by Mr KKC
1 answerOn the left-hand side of the image I drew below, a pendulum bob hangs from a pendulum string of length $L$. A magnetic force of magnitude $F_{mb}$ pulls...
Asked on 01/21/2021 by Bunji
2 answerIn a Yang-Mills theory where the fermion fields transform under $Psi rightarrow e^{-theta^A t_A} Psi$ with $t_A$ generators of a Lie-algebra fulfilling $[t_A,t_B]=f^A_{BC}t_C$ a Noether current ...
Asked on 01/21/2021 by Frederic Thomas
1 answerThe Lorentz matrix defines the transformation of a four-vector between different frames of reference, such that $$ p^{'mu} = Lambda^{mu}_{ nu}p^{nu} $$where in this example $p^{mu}$ is the...
Asked on 01/21/2021 by SuperCiocia
3 answerGet help from others!
Recent Answers
Recent Questions
© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP