Brent, But the twins DO AGREE on whose clock ran slower.
So I don't see your point if you use the twins as evidence... Edgar On Monday, January 27, 2014 3:27:54 PM UTC-5, Brent wrote: > > On 1/27/2014 7:48 AM, Edgar L. Owen wrote: > > Jesse, > > > > First this doesn't have anything to do with present moment theory, only > with standard > > physics. > > > > 2nd, hopefully it's just a matter of you using different semantics than > me as to what is > > meant by absolute and relative. I'll explain once more. > > > > In the case of time dilation effects caused by gravitation or > acceleration the effects > > are absolute in the sense that both observers agree on them. Take 2 > observers A in a > > gravitational well and B not. In this case B observes A's clock SLOW, > and A observes B's > > clock rate SPEED up. They AGREE as to this effect. > > They can't agree on that. They can only agree via signals the their > clocks *appear* to > run at different rates. Just like the twins in the SR twin paradox. > > > AND the clock time difference PERSISTS after A and B meet up afterwards > when their > > clocks are again running at the same rate. Therefore in my terminology > it is an absolute > > effect. It is a real and actual effect, that both observers agree upon. > This is well > > understood and confirmed because it's used in GPS calculation > corrections all the time. > > Yes, it's real that they have traveled through different intervals of > spacetime - just > like the twins in the twin paradox. > > You seem determined to ignore the basic principle of GR, it is a > *geometric theory of > spacetime* Geometry doesn't make clocks change speed. > > Brent > -- 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 everything-list+unsubscr...@googlegroups.com. To post to this group, send email to everything-list@googlegroups.com. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/groups/opt_out.
