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Mar
16
asked Must the Lagrangian always be known for the Euler-Lagrange equations to be of any use?
Mar
12
comment What are hidden variables exactly?
@user21847 our ignorance and inability to measure these variables hides them from us.
Mar
12
answered What are hidden variables exactly?
Mar
6
comment What was meant by the 'ponderomotive force' as understood by Minkowski?
If you read the question, I do say Minkowski mentions it in 1907.
Feb
3
comment How can the speed of light be a dimensionless constant?
You should be more explicit in your conclusion then: c is not dimensionless and so Schultz is wrong.
Jan
16
answered No magnetic field from a static charge - Is there a simple physical argument to show why?
Dec
26
comment Which kinds of Physics laws do and don't comply with the principle of relativity?
Yes, I can see that you're right now.
Dec
23
comment Which kinds of Physics laws do and don't comply with the principle of relativity?
it's not true that they either exhibit Galilean or Lorentzian invariance, they all obey the latter. Galilean invariance is an approximation for v<<c
Dec
23
comment The Four-Clock Special Relativity Conundrum
@TerryBollinger the Lorentz transformations depend on the sign of $v$ which means simultaneous events in the lab frame tranform differently to frames A and B. Hence you can't assume the lagging clocks must have the same time because of the symmetry of the problem.
Dec
20
comment Are the principles of space-time homogeneity and Isotropy independent of one another?
If you can't have isotropy every where without homogeneity, then doesn't this imply they're not entirely independent of one another?
Dec
20
accepted Calculate relativistic boost to COM frame from two arbitary velocities?
Dec
20
asked Are the principles of space-time homogeneity and Isotropy independent of one another?
Nov
29
comment Recent Higgs boson observation and credibility of superstring theories
@Dilaton how are you qualified to say which physicists are right and which are wrong? I'm under the impression that Kane expected SUSY to show up in the LEP - it didn't. So the models were modified and so SUSY was expected to show up in the LHC by now. It hasn't, and on we go...
Nov
28
comment deriving a Lorentz transfomation for velocity vector components
You've divided by $cdt'$ rather than $dt'$
Nov
27
awarded  Caucus
Nov
18
comment What equation describes the electrostatic potential in these circumstances?
$j = \sigma E$ ?
Nov
14
comment Did Einstein prove $E=mc^2$ correctly?
nonsense, the paper is not really easy and clear, hence the controversy.
Nov
14
comment Did Einstein prove $E=mc^2$ correctly?
-1 this doesn't answer the question.
Nov
11
comment Relativistic momentum
Why should the Newtonian momentum be multiplied by some function of the velocity?
Oct
30
comment Can the Euler-Lagrange equations be derived from an infinitesimal Principle of Least Action?
looks interesting