KF Gauss's user avatar
KF Gauss's user avatar
KF Gauss's user avatar
KF Gauss
  • Member for 10 years, 6 months
  • Last seen this week
81 votes

How do I experimentally measure the surface area of a rock?

21 votes
Accepted

Why no proton microscopes? Proton diffraction; or proton scattering experiments? Proton crystallography?

19 votes

Reverse of diffraction

15 votes
Accepted

Why do we even need RF cavities to accelerate particles?

14 votes
Accepted

Limit on how many photons can hit a surface

9 votes

What is the minimum number of metal atoms necessary to make a mirror?

9 votes
Accepted

What colour is an electron?

9 votes

Why aren't particles constantly "measured" by the whole universe?

8 votes

Why are magnetic monopoles "incompatible" with quantum mechanics?

7 votes

Do hadrons have color moments?

6 votes

Thermal conductivity of superconducting material

6 votes

Why does diamond-graphite phase digram not contain a critical point?

6 votes

Why don't we have a "Cooper pair" of two holes in a superconductor?

6 votes
Accepted

Is number of photons undefined for a classical EM wave?

6 votes
Accepted

Why does a transition between 2 $s$-orbitals work for cesium's clock transition?

6 votes
Accepted

How does the wavefunction inherit the symmetries from the Hamiltonian?

6 votes

The difference between optical phonons and acoustic phonons in terms of energy absorption

6 votes

Why can't the density difference between the liquid and solid be an appropriate order parameter for liquid-to-solid transition?

5 votes
Accepted

Does phononic "Superconductivity" exist?

5 votes
Accepted

Matsubara Field Theory - what does imaginary time $\tau$ in $G(\tau,\mathbf{x})$ mean?

5 votes

How is the Geometric Phase measured in the experiment?

5 votes
Accepted

Is there a three-body exclusive interaction?

4 votes

What is QED about "Cavity QED"?

4 votes
Accepted

Low cost Ultra High Vaccum Chamber and Atomic Force Microscope

4 votes
Accepted

Evading the $J=0$ to $J'=0$ forbidden selection rule?

4 votes
Accepted

Do excited states of hydrogen give cosmologically relevant hyperfine transitions?

4 votes
Accepted

Are Type -II Dirac Fermions "true" particles that are not accounted for in the Standard Model?

4 votes
Accepted

Where does Huygens–Fresnel principle follow from?

4 votes

Ohm's law in metals

4 votes
Accepted

Is the Compton effect observed during regular x-ray diffraction?

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