Hi If gravity effects are the coupling mechanism, then even pendulums are "speed of light" coupled.
Bob On May 13, 2010, at 7:13 AM, Eugen Leitl wrote: > On Thu, May 13, 2010 at 11:09:02AM +0100, Alan Melia wrote: >> Nice reference thanks for those Stanley...interesting, thought provoking >> reading! Moving apart and possibly changining the relative positions of the >> plane of the swing too to test the coupling. There are ways of measuring >> this if you have the time :-)) My thought was that even an uncoupled set >> might move closer together if all subject to the same external "impulse"? > > With physical oscillators coupling is limited by the speed of sound (in > the medium, with pendulum clocks wood is lots quicker than air with > 3-4 km/s) with electronic oscillators the speed of light. Latter means > that their distance has to be short enough so that they lie within > each other's lightcone within roughly the period of oscillation orelse they > couldn't possibly causally influence each other. > > At THz half light cone is some 0.3 mm, GHz is about 0.3 m, MHz 300 m, kHz 300 > km. > > -- > Eugen* Leitl <a href="http://leitl.org";>leitl</a> http://leitl.org > ______________________________________________________________ > ICBM: 48.07100, 11.36820 http://www.ativel.com http://postbiota.org > 8B29F6BE: 099D 78BA 2FD3 B014 B08A 7779 75B0 2443 8B29 F6BE > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
