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comment Selection rule used in singlet/triplet recombination in LEDs
@user5419 - No. Nothing in my answer is based on the assumption that light has zero angular momentum. I also never said light "does not couple", only that it couples very weakly.
Feb
4
answered Why is the Pythagorean Theorem used for error calculation?
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
comment Has there been any experimental verification of Jeremy England's theory of dissipation-driven adaptation?
I don't understand that comment. Surely you know that Carnot's limit applies to all engines, including those that operate extremely far out of equilibrium. Indeed every "thermodynamic limit" proof I've ever seen, whether Carnot or England or Landauer or Landsberg, applies to all systems, not just (quasi)equilibrium systems.
Dec
29
comment Has there been any experimental verification of Jeremy England's theory of dissipation-driven adaptation?
@CuriousOne - The website englandlab.com is not commercial. It is a research group website that happens to use a memorable "com" address.
Dec
29
comment Has there been any experimental verification of Jeremy England's theory of dissipation-driven adaptation?
England's paper, like Carnot's law, is an attempt to draw conclusions directly from the laws of thermodynamics. If by "triviality" you mean "unambiguous consequence of widely-accepted axioms" then both Carnot's law and England's paper are "trivialities"...as is every theorem in mathematics and much else. That's not how most people use the term "triviality" though. Is that what you mean?
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.