Ben Crowell

6,187 reputation

1335

bio	website	lightandmatter.com
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I teach physics at Fullerton College, a community college in Southern California. I have an undergrad degree in math and physics from Berkeley and a PhD in physics from Yale. Back when I was doing research, my field was experimental low-energy nuclear physics.

	6,187 reputation	bio	website	lightandmatter.com	visits	member for	1 year, 10 months
1335 badges		location			seen	16 mins ago

summary answers questions tags badges favorites 1 bounties reputation activity

182 Answers

votes activity newest

24	If photons have no mass, how can they have momentum?
22	Is it 11% hotter today than it was yesterday?
13	The Pioneer anomaly finally explained?
11	Does entanglement not immediately contradict the theory of special relativity?
11	Classical results proved using quantum mechanics

6,187 Reputation

+20	Was TP Singh right to say that a theory of quantum gravity necessitates the Copenhagen Interpretation?
+10	Why do prisms work (why is refraction frequency dependent)?
+5	Best current bounds on nonconservation of momentum?
+10	Does rotational energy have effect on gravity/metric?

18 Questions

votes activity newest

23	Overcharging a black hole
19	Is gecko-like friction Coulombic? What is the highest known Coulombic $\mu_s$ for any combination of surfaces?
14	Best current bounds on nonconservation of momentum?
14	History of interpretation of Newton's first law
14	a priori validity of $W=\int Fdx$ in relativity?

198 Tags

104 general-relativity × 39	44 energy × 7
69 special-relativity × 26	39 electromagnetic-radiation × 8
52 quantum-mechanics × 20	38 gravity × 11
50 mass × 9	36 photons × 3
49 cosmology × 14	31 newtonian-mechanics × 15

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	The Great Outdoors	400 rep	6