Entanglement could make state-of-the-art clocks more precise
in [Physics]
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From: Mike Russell on 3 Apr 2010 18:59 On Wed, 31 Mar 2010 17:40:09 -0700, greysky wrote: > "Sam Wormley" <swormley1(a)gmail.com> wrote in message > news:q8qdnTzhVpdfgCjWnZ2dnUVZ_sKdnZ2d(a)mchsi.com... >> NATURE: Atomic Clocks Use Quantum Timekeeping >> Entanglement could make state-of-the-art clocks more precise >> http://cl.exct.net/?qs=e7ed5d30f317a284f1712767b3e2b6b38e9e4d1c240e0d478d3aa1c1cad8ffe7 >> > Remember even a busted clock is right once a day in at least one > universe... If time is quantized, even a wrong clock may never be right. -- Mike Russell - http://www.curvemeister.com
From: Sam Wormley on 3 Apr 2010 20:21 On 4/3/10 4:22 PM, Yousuf Khan wrote: > > Quantum entanglement does. However the only way to verify it is with > normal lightspeed communications. The take-away from this is that if we > remove the need to verify the communications, then we can communicate > faster than light. > > Yousuf Khan > I think your use of "communicate" is poorly conceived. Arbitrary communication cannot occur faster than the speed of light.
From: J. J. Lodder on 4 Apr 2010 05:00 Yousuf Khan <bbbl67(a)spammenot.yahoo.com> wrote: > J. J. Lodder wrote: > > Yousuf Khan <bbbl67(a)spammenot.yahoo.com> wrote: > > > >> Sam Wormley wrote: > >>> NATURE: Atomic Clocks Use Quantum Timekeeping > >>> Entanglement could make state-of-the-art clocks more precise > >>> http://cl.exct.net/?qs=e7ed5d30f317a284f1712767b3e2b6b38e9e4d1c240e0d478d3 aa > > 1c1cad8ffe7 > >> Actually, shouldn't quantumly-entangled atomic clocks give inaccurate > >> results, as they communicate with each other faster than the speed of light ? > > > > Nothing communicates faster than the speed of light. > > > > Clocks are no exception, > > Quantum entanglement does. However the only way to verify it is with > normal lightspeed communications. The take-away from this is that if we > remove the need to verify the communications, then we can communicate > faster than light. Sure, no problem, if you don't communicate, Jan
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