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Dec6-09, 03:50 PM
Sci Advisor
Nabeshin's Avatar
P: 2,193
Ah yeah, I'm used to the - + + + convention so that's what I've been using throughout, and your comments clear up the choice of sign with the square root.

Lorentz contraction should be legitimate, but with the caveat that r=R since we can treat that part of spacetime as locally minkowski, right? At least that's the way it seems to me.