andrel <byt### [at] gmailcom> wrote:
> A modern way would be to assume that there are 3 space dimensions and 
> one time, with a distance between 2 points defined by x^2+Y^2+z^2-ct^2 
> (though I am not sure if that was a necessary assumption, it has been a 
> long time).
> Investigate what happens if in this universe laws have to be invariant 
> for translation and rotation.
> That will give you Lorentz contraction and Maxwell's equations, and 
> light that propagates with lightspeed. But that is just maths and not 
> science. ;)

  AFAIK you have to assume c to be constant to all (inertial) observers
in order to deduce the Lorentz transformations, not the other way around.
(The deduction isn't actually all that complicated.)

-- 
                                                          - Warp

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