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40k

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special-relativity acceleration relativity

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particle-physics experimental-physics cpt-violation

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electromagnetism plasma-physics

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40 Questions

Why do tsunami waves begin with the water flowing away from shore?

How do horseshoe orbits work?

Long time deviations from exponential decay in radioactivity

Why were space physicists wrong about the location of the heliopause?

Is there an easy way to show that $x^2-t^2=1/g^2$ for a (relativistic) body undergoing acceleration g?

Are water waves (i.e. on the surface of the ocean) longitudinal or transverse?

Resistor circuit that isn't parallel or series

Addition of Angular Momementa in deeply bound situations, proton spin crisis

Gravity theories with the equivalence principle but different from GR

How does one prove Fierz identities?

What is the formula for the relativistic ellipse?

What Would be the Experimental Signature of Composite Leptons?

If an atom is fully ionized by removing all electrons, is it still an atom?

How deep in the ocean can a ping-pong ball go before it collapses due to pressure?

Products of Gaussian stochastic process variables

Are Newton's gravity waves detectable by a laser interferometer?

CPT violation and how could quark masses differ from anti-quark masses?

Could ball lightening be a form of plasma?

The complementary variable to the qubit and spin-1/2

Why are the lighter halogens gases?

Can the earth's magnetic field be generated by heat from a natural nuclear reactor?

For which irreps can normalized spin vectors be chosen continuously, for all possible spins?

Is relativity necessary for the existence of life?

Does throwing a watch into the air cause it to gain or lose time?

What restricts the value of weak hypercharge from being 5/3?

Could life survive a pole shift caused by an asteroid collision?

How much radiation exposure in the US was caused by the 105 nuke tests in the Pacific?

How does slow anti-hydrogen annihilate with normal matter in the lab?

How long for a frictionless top to fall over?

What is the exponential form gamma matrix for a general rotation and boost?