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From: Uncle Al on 28 Nov 2009 18:49 Enes wrote: > > On 28 Lis, 20:54, Sam Wormley <sworml...(a)mchsi.com> wrote: > > Enes wrote: > > > > > Which clock is good to measure time? > > > Does it depends of time only and not of gravity? > > > > Use a clock (an accurate clock) where orientation does not > > matter. Space based atomic clocks come to mind. > > > > See: Relativistic Effects on Satellite Clocks > > http://relativity.livingreviews.org/open?pubNo=lrr-2003-1&page=node5.... > > Let it be, that atomic clock not depends of gravity, measures time > only. > > How can it measures different time in different gravity? <http://relativity.livingreviews.org/open?pubNo=lrr-2003-1&page=node5.html> <http://unusedcycles.wordpress.com/2008/05/30/physics-of-gps-relativistic-time-delay/> Relativistic effects on orbital clocks -- Uncle Al http://www.mazepath.com/uncleal/ (Toxic URL! Unsafe for children and most mammals) http://www.mazepath.com/uncleal/qz4.htm
From: Uncle Al on 28 Nov 2009 18:48
Enes wrote: > > On 28 Lis, 20:54, Sam Wormley <sworml...(a)mchsi.com> wrote: > > Enes wrote: > > > > > Which clock is good to measure time? > > > Does it depends of time only and not of gravity? > > > > Use a clock (an accurate clock) where orientation does not > > matter. Space based atomic clocks come to mind. > > > > See: Relativistic Effects on Satellite Clocks > > http://relativity.livingreviews.org/open?pubNo=lrr-2003-1&page=node5.... > > Let it be, that atomic clock not depends of gravity, measures time > only. > > How can it measures different time in different gravity? <http://relativity.livingreviews.org/open?pubNo=lrr-2003-1&page=node5.html> <http://unusedcycles.wordpress.com/2008/05/30/physics-of-gps-relativistic-time-delay/> Relativistic effects on orbital clocks -- Uncle Al http://www.mazepath.com/uncleal/ (Toxic URL! Unsafe for children and most mammals) http://www.mazepath.com/uncleal/qz4.htm |