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 [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/groups/opt_out.
