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Jun
12
asked Why isn't there a limit for a Euclidean rotation, as for a Minkowski rotation?
Apr
30
answered Can the equivalence principle be shown to follow from special relativity?
Mar
17
asked What experiments compete with BICEP 2, and when are their results expected?
Feb
6
answered What's the interpretation of Feynman's picture proof of Noether's Theorem?
Sep
24
asked Why does a stationary force affect the conservation of momentum, but not the conservation of energy?
Jul
8
answered Why do we still need to think of gravity as a force?
Mar
16
asked Must the Lagrangian always be known for the Euler-Lagrange equations to be of any use?
Mar
12
answered What are hidden variables exactly?
Jan
16
answered No magnetic field from a static charge - Is there a simple physical argument to show why?
Dec
20
asked Are the principles of space-time homogeneity and Isotropy independent of one another?
Oct
17
asked Can the Euler-Lagrange equations be derived from an infinitesimal Principle of Least Action?
Oct
17
asked What is meant by potential energy for a particle in a field?
Oct
3
answered Conservation of Energy in Different Frames of Reference
Sep
20
answered What's the core difference between the electric and magnetic forces?
Sep
2
answered Would it be possible to develop special relativity without knowing about light?
Aug
6
answered Why are radians more natural than any other angle unit?
Jul
27
asked Explanation for $E~$ not falling off at $1/r^2$ for infinite line and sheet charges?
Jul
26
answered Why are bricks typically constructed to have six faces at, or near right-angles to each the other?
Jul
25
asked Is the stress finite at the centre of a spherical continuous charge distribution?
Jun
22
answered Why don't most physics programs study the primary sources?