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Feb
3
answered Doesn't the success of statistical physics seem somewhat unreasonable?
Jan
29
comment How Special Relativity causes magnetism
@ChrisWhite -- For what it's worth, most serious theoretical physicists believe that magnetic monopoles exist in the universe, but that they're very very rare. I don't think it matters for the issue under discussion though.
Jan
29
comment How Special Relativity causes magnetism
I didn't say that electricity and magnetism were "symmetric" in the sense that you're using the term. (Please re-read my answer, I was discussing asymmetry of pedagogical emphasis.) Any 6-year-old can tell them apart. I only said that the relationship between electricity and magnetism is not cause-and-effect: They are equally fundamental parts of physics.
Jan
19
answered Statistical specific heat as energy fluctuation in spin glasses
Jan
2
answered How to express a mechanical force field in the units of electric fields?
Dec
30
comment Translating Electronic Bands back to first Brilluoin Zone
I recently put an explanation and image on wikipedia on this topic: See en.wikipedia.org/w/… and the red+blue graphs on the right.
Dec
29
answered Has there been any experimental verification of Jeremy England's theory of dissipation-driven adaptation?
Dec
24
answered How Special Relativity causes magnetism
Dec
22
answered Displacment field for linear dielectric
Dec
22
comment Temperature of fusion in the Sun vs. fusion in controlled experiments on Earth
You should also add that fusion reactions on earth have an extremely low duty cycle (the reactor is turned on for a tiny fraction of a second, off for a long time, ...), whereas the sun keeps it going continuously.
Dec
4
comment How can I change the angle of a laser without mechanical aid
ditto a spatial light modulator with phase control
Nov
20
awarded  Nice Answer
Nov
19
answered How we can detect a magnetic monopole?
Nov
17
awarded  Announcer
Oct
31
comment Magnetic monopole bound state
You can say "there might be multiple different particle species with magnetic charge, but having different mass, spin, lepton number, etc."---and you can say that without discussing duality transformations. In fact, I just did so! And incidentally, this fact, while true, doesn't mean that the original question is unanswerable. Physicists have pretty specific ideas about what magnetic monopoles particles are likely to look like, for example 't Hooft–Polyakov monopoles etc.
Oct
31
comment Magnetic monopole bound state
I think you're being pedantic by discussing duality transformations. There is no actual ambiguity in what we call "electricity" and "magnetism", because there is a universally-accepted convention that resolves the ambiguity. Every physicist agrees: Electrons have an electric charge, and my refrigerator has magnets on it, not the other way around.
Oct
29
comment Polarization of Light Without Reducing Intensity
I don't get that paper. If the two polarizations get sent to the same direction, then it violates thermodynamics and the paper is wrong. If they get sent to different directions, why not just use a beamsplitter cube and a half-wave-plate and some mirrors to accomplish the same thing with >99% efficiency? I don't see a clear discussion of this in the paper.
Oct
20
awarded  Popular Question
Oct
16
comment Non-uniqueness of the k-vector in Bloch state
I made a wikipedia image on this topic: commons.wikimedia.org/wiki/File:BlochWaves1D.svg See the caption too. Does that help? If not, what's confusing about it?
Oct
9
comment Polarization of Light Without Reducing Intensity
If you combine a horizontally and vertically polarized beam using a beamsplitter, you can with linear polarization, or circular ... or unpolarized! How do you propose to avoid winding up in the same unpolarized situation you started in?