[time-nuts] Einstein Special on PBS

Jim Lux jimlux at earthlink.net
Sun Nov 29 16:18:21 EST 2015

On 11/29/15 12:13 PM, Mark Sims wrote:
> Another thing to consider is the gravity anomaly caused by that hunk of granite beneath your clock (or above it in a mine).   Hmmm, what is the clock shift at the top of Mt Everest that is due to the mountain and not the altitude? 		 	   		
> _______________________________________________
> t

when going deep..
the Homestake mine in South Dakota is something like 2500m (8000 ft) 
deep.  There's a DoE funded research facility somewhere deep for nuclear 
experiments.  There could well be atomic clocks already down there.


https://en.wikipedia.org/wiki/Large_Underground_Xenon_experiment is 
about halfway down (I think the lower part of the mine is still flooded)

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