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Apr
30
comment Understanding the relationship between electricity and magnetism
@tvo: F is the electromagnetic field tensor, B is the magnetic induction field, E is the electric field. The equation simply means that the scalar is invariant under Lorentz and general transformation.
Apr
17
awarded  Nice Answer
Jun
5
awarded  Yearling
May
19
comment Work = Force x Distance vs Displacement
"When F is only a function of position, this integral is independent of the path and depends only on the end points" No, the curl of F field must be zero everywhere for this to be true.
Apr
23
accepted Particle mixing and indistinguishability
Apr
19
awarded  Good Answer
Apr
15
awarded  Popular Question
Apr
12
awarded  Revival
Apr
9
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Dec
10
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Oct
19
comment While finding escape velocity, does human mass counts as the mass of Earth?
Earth's mass does change, but it has little to do with the population increase/decrease of humans.
Aug
15
awarded  Popular Question
Jul
2
awarded  Curious
Jun
5
awarded  Yearling
May
7
awarded  Notable Question
Feb
11
accepted Is it possible to escape from within event horizon?
Feb
10
asked Is it possible to escape from within event horizon?
Jan
14
awarded  Popular Question
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8
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Nov
25
accepted Is there a simple model explaining Faraday effect?