user110971
  • Member for 5 years, 7 months
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34 answers
319 votes
49k views
148 bookmarks
Do we know why there is a speed limit in our universe?
1 answers
307 votes
111k views
690 bookmarks
Resource recommendations
16 answers
276 votes
70k views
214 bookmarks
Why does kinetic energy increase quadratically, not linearly, with speed?
7 answers
180 votes
217k views
172 bookmarks
How do moving charges produce magnetic fields?
5 answers
169 votes
21k views
187 bookmarks
Gauge symmetry is not a symmetry?
7 answers
137 votes
24k views
124 bookmarks
Why are there only derivatives to the first order in the Lagrangian?
9 answers
113 votes
30k views
108 bookmarks
What, in simplest terms, is gauge invariance?
15 answers
96 votes
13k views
127 bookmarks
Why quantum mechanics?
3 answers
64 votes
7k views
83 bookmarks
Idea of Covering Group
6 answers
61 votes
13k views
19 bookmarks
Why is it so inefficient to generate electricity by absorbing heat?
2 answers
58 votes
10k views
45 bookmarks
Why is gravity such a unique force?
2 answers
55 votes
5k views
61 bookmarks
Why do we expect our theories to be independent of cutoffs?
4 answers
52 votes
4k views
49 bookmarks
Is there an underlying physical reason why the Coriolis force is similar to the magnetic component of the Lorentz force?
1 answers
50 votes
1k views
37 bookmarks
What is the relationship between different types of quantum field theories?
6 answers
45 votes
13k views
47 bookmarks
Does alternating current (AC) require a complete circuit?
5 answers
44 votes
9k views
43 bookmarks
Have we figured out how to analyze turbulent fluids?
5 answers
43 votes
7k views
24 bookmarks
Why do physicists believe that there exist magnetic monopoles?
1 answers
37 votes
2k views
12 bookmarks
How can dark matter collapse without collisions or radiation?
3 answers
36 votes
2k views
21 bookmarks
Why is high temperature superconductivity so hard to solve?
3 answers
35 votes
14k views
18 bookmarks
The exchange of photons gives rise to the electromagnetic force
1 answers
35 votes
3k views
9 bookmarks
What does it mean to say that "the fundamental forces of nature were unified"?
3 answers
34 votes
4k views
32 bookmarks
Can all fundamental forces be fictitious forces?
3 answers
33 votes
14k views
52 bookmarks
How does electricity propagate in a conductor?
2 answers
26 votes
6k views
29 bookmarks
Deriving the Coulomb force equation from the idea of photon exchange?
3 answers
23 votes
2k views
17 bookmarks
Why would one write a vector field as a derivative?
3 answers
23 votes
8k views
31 bookmarks
Deriving Newton's Third Law from homogeneity of Space
1 answers
15 votes
1k views
5 bookmarks
Thermodynamically possible to hide a Dyson sphere?
2 answers
12 votes
512 views
5 bookmarks
Probability measure implies quantum mechanics?
3 answers
8 votes
3k views
1 bookmarks
Origin of the major symmetry property of the elasticity tensor
4 answers
8 votes
3k views
9 bookmarks
Can Planck's constant be derived from Maxwell's equations?