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Jun
9
asked Dynamic equation
May
22
comment Frank Hertz experiment and different jumps
Thank you for the answer and the article. I'm going to read it.
May
22
accepted Frank Hertz experiment and different jumps
May
22
revised Frank Hertz experiment and different jumps
added 34 characters in body
May
22
asked Frank Hertz experiment and different jumps
May
5
comment Historic derivation of Wien's law
@LeosOndra Thank you very much for you help and your time
May
5
comment Historic derivation of Wien's law
@LeosOndra I would appreciate it, I don't spek any russian though. I'm not interested in the whole article, only in the derivation of that law.
Apr
26
comment Quantum commutator
ok, thanks you very much
Apr
26
accepted Quantum commutator
Apr
26
asked Quantum commutator
Apr
23
asked Angular distribution of radiation
Apr
5
comment Why does the index of refraction change the direction of light
Thank you very much, that analogy ir really good.
Apr
5
accepted Why does the index of refraction change the direction of light
Apr
4
comment Why does the index of refraction change the direction of light
Thanks I got it. that picture opened my eyes (even when I have seen that picture like a trillion times)
Apr
4
comment Why does the index of refraction change the direction of light
@Gugg Isn't it the same? I guess that when studying the refraction of a single-wavelenght wave, you will get that the angle depends on the frequency, and there fore the multiwavelength light is dispersed.
Apr
4
comment Is there a compound denser than the densest element?
BTW, how could find prices for things like Californium, Berkelium or Curium?
Apr
4
asked Why does the index of refraction change the direction of light
Mar
29
comment cgs Gauss' system of units
@ChrisWhite Neither did I, my teacher uses it for dipole and he writes it like that in his notes (they're computer written so it's not bad calligraphy). All optics book I've seen use just $p$.
Mar
29
comment cgs Gauss' system of units
@LubošMotl Thanks, that's both relieving and it sucks. I will try to get used to cgs Gauss' system as I am seeing it is actually used.
Mar
29
comment cgs Gauss' system of units
@MarkEichenlaub Ok, generally, I understand where both systems come from, but I still have not clear how to change between systems. The only thing I could do is to go to the beginning and start deriving in both systems to see the differences.