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space is locally curved, as has been measured
Posted:
Apr 24, 2013 10:44 PM


"curvature of space" is all that is rquired, viz the index of refraction; this was known, when Liebniz posed the question that actually begat caclulus, "What is the brachistochrone?"
turned out to be Huyghens' tautochrone!
curvature of time is just birth, followed generically by death.



