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**New Theories / Re: A Possible Proof That Negative Ageing Doesn't Occur In Special Relativity?**

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**Today**at 16:39:01 »

Because of the equivalence principle, it is also true that if two clocks that are separated by a fixed distance "d" ly are both accelerated with a constant equal acceleration of "A" ly/y/y,Under the equivalence principle, neither coordinate nor proper acceleration is identical between the two clocks. The upper.lead clock undergoes lower acceleration (of both kinds) than the lower/trailing clock.

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Now, suppose that he and his helper then both start accelerating at a constant "A" ly/y/y toward the right.But here you're giving them identical acceleration of one kind. You fail to specify if this is constant proper or coordinate acceleration, but the two points of measurement in the former example (with the equivalence principle) will maintain constant proper separtion, and will not do so with what you're doing here. Your conclusions seem to be based on the two situations being equivalent.

What you're essentially doing with the distant guy constant proper acceleration is to set up Rindler coordinates based on his acceleration. Under that, 'she' will not age negatively if she exists within his Rindler frame, and she will age negatively in those coordinates if not.

If the acceleration is constant coordinate acceleration, then the Rinder coordinates do not apply, and everybody's ages is a function of the chosen coordinate system and not a function of anything he is doing.