Le jeu. 17 oct. 2024, 14:14, Alan Grayson <[email protected]> a écrit :
> > > On Thursday, October 17, 2024 at 5:20:26 AM UTC-6 John Clark wrote: > > On Thu, Oct 17, 2024 at 1:14 AM Alan Grayson <[email protected]> wrote: > > *> Ostensibly, applying SR, Bob concludes Alice's clock is running slower > than his, and vice-versa for Alice* > > > *Yes.* > > *> so you conclude Alice get Bob's response to her question before she > sends it.* > > > *No. Watching somebody's Clock that is running slower than your clock does > NOT mean you are observing their time running backwards. * > > > *I know that! You claimed from Bob's pov, Alice's clock is running slower > (not running backwards), and when he sends his reply his clock reads 2, > whereas Alice's clock reads 1, before she sent the question. I remember > that clearly. No one claimed her clock was running backwards. So, without > instantaneous anything how is the paradox resolved, and how is this related > to MW? TY, AG* > The paradox is resoved if there is mo ftl... please do a work on yourself and try to understand what others are saying... > > *> Obviously, there's a major problem here and I suspect it's related to > your interpretation of relative clock rates in SR.* > > > *It's odd, no doubt about it, but it causes no physical paradoxes IF > nothing can travel through space faster than the speed of light. * > > > *Ostensibly, there is a paradox and you seem unable to resolve it. > Claiming it is "odd" fails to resolve the matter. I think Brent knows the > solution. AG* > > > *Space itself can move at any speed without producing paradoxes. If there > existed particles that moved through space faster than the speed of light** > (called Tachyons > <https://en.wikipedia.org/wiki/Tachyon> ) and it was possible for us to > interact with them, then causality would be violated. And if Bob and Alice > used tachyons instead of light photons to observe then they would see the > others clock moving backwards, not just slowing down. And you'd be able to > observe and even kill your grandfather 10 years before he met your > grandmother, and you'd have to deal with all the paradoxes that would > produce. But as far as we can tell Tachyons do not exist. * > > > *> I can't say exactly what's the problem with your interpretation of > relative clock rates. Nor do I understand what this has to do with the > viability of MW.* > > > *I was just making the point that if Tachyons existed (and I do NOT think > they do) then the only way I can think of to resolve the grandfather > paradox is through Many Worlds. If you or anybody else can think of another > way to resolve it I'm all ears. * > > *John K Clark See what's on my new list at Extropolis > <https://groups.google.com/g/extropolis>* > deq > > -- > You received this message because you are subscribed to the Google Groups > "Everything List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/everything-list/3cf9704c-f6b7-4b5a-995c-bf4f506f9488n%40googlegroups.com > <https://groups.google.com/d/msgid/everything-list/3cf9704c-f6b7-4b5a-995c-bf4f506f9488n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/CAMW2kAq5TcJ%2BbZLzVk29vvHUFUWk2EEvGr9Xqo9yP5oSHd1OEw%40mail.gmail.com.
