On 6 January 2014 12:45, Edgar L. Owen <edgaro...@att.net> wrote: > Liz, > > Yes, of course you are correct. They do it all the time but in the present > moment rather than any clock time simultaneity. Without a present moment > when do they meet up and compare? Certainly not in their individual clock > times which are different. > > It's quite hard to work out what you mean by this. Are you imagining the twins (or rather, their minds) travelling along their world lines, and hence having to "arrange to meet" at a particular point? Or rather, you seem to be envisaging that the laws of physics automatically arrange for their minds to meet at the same instant, and that if they didn't, one of them might arrive at the meeting point ahead of the other (and presumably would be faced by a person without a mind - a "robot zombie", so to speak).
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