On 04/01/2010 02:29 PM, OrionWorks - Steven V Johnson wrote: >>From Jed: > >> Gravity or acceleration slow down time. They are one and the same in general >> relativity theory. >> >> If you start with 2 atomic clocks synchronized together, and you move one up >> 10 m to another floor, that causes it speed up slightly, and diverge from >> the one below. It is amazing that they can measure such small differences in >> time. Of all the fundamental units, time can now be measured most precisely, >> which is why distance is now a function of time (1 m = distance light >> travels in a vacuum during the interval of 1/299,792,458 s). >> >> http://physics.nist.gov/cuu/Units/meter.html >> >> The least satisfactory unit is the kilogram. Various new methods of defining >> it are now being developed. NIST and other standards agencies will >> eventually pick the best one. > > > That's what I thought as well. > > This would seem to contradict Mr. Lawrence's previous conjecture that > time within a hollowed out sphere positioned at the center of a planet > would experience time more slowly than time experienced near the > surface of a planet. > > Since the effects of gravity (i.e. acceleration) would essentially be > null at the center of any planet, wouldn't time speed up relative to > time being experienced at the surface? > > What am I missing here?
You're missing the fact that, according to GR theory, my statement was not "conjecture". Jed's, on the other hand, was, and was incorrect. > > Regards > Steven Vincent Johnson > www.OrionWorks.com > www.zazzle.com/orionworks >
