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Apr
8
accepted Is Quantum Coulomb still singular?
Feb
8
comment What happens to the energy when waves perfectly cancel each other?
@AnubhavGoel Can you please elaborate on that?
Feb
2
revised How do alpha and beta particles ionise surrounding particles?
deleted 1 character in body
Jan
25
comment How can Magnets be used to pick up pieces of metal when the force from a magnetic field does no work?
@AndreaDiBiagio I think you should ask a new question for that, comment space is so limited...
Jan
22
comment How can Magnets be used to pick up pieces of metal when the force from a magnetic field does no work?
@AndreaDiBiagio You move the magnet, the magnet won't increase its distance from the iron (unless it's too heavy, of course), thus the iron also follows. I'm afraid I fail to see the problem here
Jan
22
comment How can Magnets be used to pick up pieces of metal when the force from a magnetic field does no work?
@AndreaDiBiagio I wasn't stating otherwise, though my wording is probably improvable...
Dec
16
awarded  Good Answer
Nov
30
revised Quantum Joke (not a real joke, not a riddle)
added 8 characters in body
Nov
9
comment How would we tell antimatter galaxies apart?
@TomášZato Positrons annihilate electrons, not neutrons... And an anti-neutron would still be electrically neutral but distinct from a neutron which it would annihilate with. And my proposal was rather hypothetical, though so far there hasn't been enough antimatter produced in labs to actually determine its gravitational weight's sign.
Nov
2
awarded  Yearling
Nov
2
awarded  Popular Question
Oct
2
awarded  Favorite Question
Sep
17
awarded  Popular Question
Sep
15
awarded  Nice Question
Sep
13
accepted Is a neutron star basically an isotope?
Sep
13
comment Is a neutron star basically an isotope?
@Gert I'm well aware of that, though my question's formulation probably doesn't convey that very well...
Sep
13
asked Is a neutron star basically an isotope?
Sep
10
revised Is Quantum Coulomb still singular?
deleted 6 characters in body
Sep
9
comment Is Quantum Coulomb still singular?
...unfortunately using that potential to calculate the expectation value would yield a similar potential but with $\sqrt2$ times the deviation, otherwise I'd propose considering a convergence point as replacement for the Coulomb potential...
Sep
9
comment Is Quantum Coulomb still singular?
@MarkMitchison That is true, and Anna's comment gives a nice explanation on why the singularity is (kind of) irrelevant then as well. Then again, I'm wondering how much of a difference it would make if the averaged potential were used instead...