D. W.'s user avatar
D. W.'s user avatar
D. W.'s user avatar
D. W.
  • Member for 10 years
  • Last seen more than 2 years ago
20 votes
3 answers
4k views

If an electron is an excitation of the electron field, what causes the excitation to be stable?

11 votes
2 answers
9k views

Is there a "difference" between photons that act as virtual particles and photons that act as the quanta of EM radiation?

8 votes
4 answers
2k views

By what mechanism is a photon emitted or absorbed in atomic electron state transitions?

8 votes
2 answers
246 views

Trouble with conceptualizing the "temperature" of a deck of cards

7 votes
4 answers
599 views

How to avoid temperature being infinite at entropy maximum

4 votes
1 answer
1k views

What holds metal atoms together? And what accounts for the strength of metallic bonds?

4 votes
2 answers
2k views

The Spinning Log "Perpetual Motion" problem, and my attempt at a solution

2 votes
1 answer
98 views

How do the wave and particle approximations of light arise from the underlying (I assume, more fundamental) quantum field description?

2 votes
0 answers
82 views

What is it about some (or all) of the properties of Hilbert Spaces that makes them so useful/necessary for modeling so many different systems? [closed]

1 vote
2 answers
153 views

Dark Matter as possible an explanation for Coronal Heating

1 vote
0 answers
48 views

Approximating Gallons of Gas Needed for Trip (read: physics grad. with too much free time)

1 vote
2 answers
442 views

Thermodynamics of a Fire Piston and the First Law

0 votes
2 answers
191 views

What laws/assumptions are considered fundamental/axiomatic to the widest range of fields of physics?

0 votes
2 answers
3k views

Diffusion of gas into vaccum

0 votes
1 answer
231 views

Why doesn't a changed particle ever lose energy by interacting with others by radiation of virtual photons? Are all virtual photons exchanged?

0 votes
1 answer
191 views

Of what order of magnitude is the effect of spontaneous forward-and-backward reaction H2O <=> OH- + H3O+ on the Gibbs Free Energy of H2O (l)?

0 votes
1 answer
147 views

Sub-/Super Diffusive Processes, Time-averaged MSD and Autocorrelation. Help with interpretation?

0 votes
0 answers
62 views

Model/Equations needed to estimate the amount of alcohol and water that would evaporate out of an open glass of bourbon left out uncovered overnight?