# All Questions

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### Intuition for Homological Mirror Symmetry

first of all, I need to confess my ignorance with respect to any physics since I'm a mathematician. Since I'm interested in the physics intuition of the Langlands program I need to understand what ...
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### Does displacement current occur in an inductor?

We have learned in school that displacement current comes about due to a change in electric field flux per time in a capacitor (Ampere-Maxwell Law). Does the same displacement current come about in an ...
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### A moving object appears to move faster towards you and slower away

First: So sorry if I'm posting this in the wrong section Also, no, this is not a question. It is a theory of mine. But, relating to the previous line, I don't know where else I would put it. Okay. ...
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### Hamiltonian for semiconductor

I was wondering which terms we need in a semiconductor Hamiltonian where no transition between the valence and conduction band occur? First we would have a term describing the energy of the full ...
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### The relationship between Light and Magnetic Fields

I have two questions. 1, Does light have a magnetic field? 2, If not, can it be affected by other magnetic fields?
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### Where is the energy stored in destructively-interfering waves?

Let's say we have two waves moving along a string. One of them is represented by the function: $$f_1(t)=\sin(\omega t)$$ The other one is represented by a function: $$f_2(t)=-\sin(\omega (\tau-t))$$ ...
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### A Proposed Improvement to the Diet Coke and Mentos Experiment

I am sure most of you are aware of the Diet Coke and Mentos craze - put a few mentos in a bottle of diet coke and whoosh! Equally, I am sure most of you are aware that this occurs because the gas is ...