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17h
reviewed Reject Do gravitational waves travel faster than light?
19h
answered Redshift of merging black holes
2d
reviewed Approve gravitational force and irreversibility
Feb
8
reviewed Reject Why is it possible to drive a nail into a piece of wood with a hammer, but it is not possible to push a nail in by hand?
Feb
7
reviewed Reject Why can't we see black holes?
Feb
7
reviewed Approve Explain why the friction force and the component of weight down the plane are the same value
Feb
6
reviewed Edit Differential derivation based upon time and space confusion
Feb
6
revised Differential derivation based upon time and space confusion
latex maths
Feb
5
reviewed Reject Does shaking a kettle whilst boiling increase the temperature faster than a statically-placed jug?
Feb
5
reviewed Reject 2 airplanes same size and shap different mass
Feb
5
reviewed Reject Conductive n-type material in pn junction
Feb
5
reviewed Reject Can the linear momentum of a system be constant, even though its centre accelerates?
Feb
5
reviewed Reject Misunderstanding about Reynolds number
Feb
4
reviewed Approve Why torsion vanishes in supergravity?
Feb
2
reviewed Reject Dark energy vs. gravity
Feb
2
reviewed Reject Latitude from initial conditions
Feb
1
reviewed Reject Why is Iron the most stable element?
Feb
1
reviewed Approve What influence has the distance of the moon on the height of the tides?
Jan
29
reviewed Approve Can the Earth leave orbit if the population of humans and other live forms increases?
Jan
27
reviewed Reject How does faster than light travel violate causality?