Thanks. Do you have a link to McTaggert's paper? As far as why particles move on geodesics (straight lines in curved spacetime), or why particles move along curved paths in the presence of massive bodies -- I think these are postulates of GR. AG
On Tuesday, March 6, 2018 at 8:48:14 PM UTC-5, Russell Standish wrote: > > You seem to be asking two different questions here: > > 1) Why do things follow a curved path in the presence of massive > bodies (aka "Gravity") instead of Euclidean straight lines > > or > > 2) Why do things move at all (aka "why does time seem to flow") > > GR explains question 1) very well. Question 2) is really outside of > its domain - you might like to read McTaggert's paper from the 1920s > on this - his answer seems as pertinent as ever. Huw Price might also > have something to ay on this too. > > > On Tue, Mar 06, 2018 at 09:59:14AM -0800, [email protected] > <javascript:> wrote: > > > > > > On Sunday, March 4, 2018 at 11:35:24 PM UTC-5, [email protected] > wrote: > > > > > > I don't think so. I think its equations of motion mix time and space, > so > > > if time increases, spatial position must change. That is, the > assumption > > > that time increases, produces changes in spatial position. CMIIAW. AG > > > > > > > My point is that GR hasn't solved the mystery of gravity since, if it > did, > > it would explain why anything moves in a gravitational field. Wish it > > weren't so. AG > > > > -- > > 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] <javascript:>. > > To post to this group, send email to [email protected] > <javascript:>. > > Visit this group at https://groups.google.com/group/everything-list. > > For more options, visit https://groups.google.com/d/optout. > > > -- > > ---------------------------------------------------------------------------- > > Dr Russell Standish Phone 0425 253119 (mobile) > Principal, High Performance Coders > Visiting Senior Research Fellow [email protected] > <javascript:> > Economics, Kingston University http://www.hpcoders.com.au > ---------------------------------------------------------------------------- > > -- 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 https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
