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#Relativity requires different values for the inertia of a moving object: in its direction of motion, and perpendicular to that direction.  This contradicts the logical principle that the laws of physics are the same in all directions.

#Relativity requires different values for the inertia of a moving object: in its direction of motion, and perpendicular to that direction.  This contradicts the logical principle that the laws of physics are the same in all directions.

#Relativity requires that anything traveling at the speed of light must have mass zero, so it must have momentum zero.  But the laws of electrodynamics require that light have nonzero momentum.

#Relativity requires that anything traveling at the speed of light must have mass zero, so it must have momentum zero.  But the laws of electrodynamics require that light have nonzero momentum.

#Like virtually all well-tested fundamental physical theories, relativity satisfies the requirements of a conservative field; that is, the gravitational field is conservative (curl is zero), so energy is conserved.  This follows from the Bianchi identity.  Furthermore, relativity mandates conservation of the matter-stress-energy tensor (the only way to get ''real'' conservation, since matter and energy are interchangeable.)  This follows from the "contracted Bianchi identity" (a different theorem from the plain Bianchi identity.){{who says}}

#Like virtually all well-tested fundamental physical theories, relativity satisfies the requirements of a conservative field; that is, the gravitational field is conservative (curl is zero), so energy is conserved.  This follows from the Bianchi identity.  Furthermore, relativity mandates conservation of the matter-stress-energy tensor (the only way to get ''real'' conservation, since matter and energy are interchangeable.)  This follows from the "contracted Bianchi identity" (a different theorem from the plain Bianchi identity.){{who says}}<ref>http://www.mth.uct.ac.za/omei/gr/chap6/node14.html</ref>

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