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Peanutlex
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12 votes
2 answers
2k views

Why don't household mirrors scatter light in all directions?

9 votes
3 answers
1k views

Why does the solar corona appear white?

4 votes
1 answer
93 views

What is the energy spectrum of all photons in the observable universe?

4 votes
1 answer
66 views

Do drifting particles violate Alfvén's theorem?

3 votes
2 answers
87 views

What is the furthest thing we can see at the time the light was emitted?

2 votes
1 answer
2k views

Earth-like Atmosphere Breaks Second Law of Thermodynamics due to Conduction?

2 votes
1 answer
47 views

What are 'pedestals' in a nuclear fusion context?

1 vote
2 answers
105 views

MHD instability: $\boldsymbol{k}\cdot\boldsymbol{B}=0$?

1 vote
0 answers
157 views

Is the time period of a fixed string always a resonant time period?

1 vote
1 answer
50 views

What happens to initially static plasma around a wire?

1 vote
1 answer
73 views

What is the Fokker-Planck collision operator and how is it derived?

0 votes
1 answer
23 views

How large is the fusion plasma dielectric constant? Why does this mean radial current cannot exist in a tokamak?

0 votes
2 answers
43 views

Question about plasma parameters Wikipedia page [closed]