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### A question on heat conduction

I was looking up the definition of heat conduction, but every website has a different answer. In addition to several different answers, some seemed wrong, or at least oversimplified. From ...
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### Nature of induced magnetic field lines in cylindrical capacitor

What is nature of the induced magnetic field lines inside a cylindrical capacitor which has a time variant potential gradient across it? For a parallel plate capacitor, its straightforward: the ...
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### Constructing many-body densities from Kohn-Sham orbitals

In many electronic structure methods, one solves "effective" one-particle Schrödinger equations for one-particle wavefunctions. In my case, I have Kohn-Sham orbitals from a DFT calculation. The ...
What is the real life significance of the famous Ramanujan summation $1+2+3+\cdots = -\frac{1}{12}$ in string theory? How this is coming into play?
Take $\,H_2O\,$ as the compressible medium (water hammer), and if we were to decide to compress it to the limit of breaking down to sub-components, holding in view the non-locallity of protons and ...