do you not see that the angular momentum of atoms, has to be condsidered if a prefered direction is taken?
taht is to say, lightwaves do not have a velocity, only a speed.
> Situation IS asymmetrical if we tag a frame that undergoes actual > acceleration. But this is against the basic principles of SR which > deals with uniform relative motion and nothing else.
thus: my main concern, for using diadians (or tau) is that the simplicity of (viz) radar distances is obscured; also, how to avoid confusion with radians (or "pi+pi"), since pi is generally considered to be a dimensionless constant, by some argument or other.