Entanglement could make state-of-the-art clocks more precise
in [Physics]
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From: J. J. Lodder on 2 Apr 2010 15:28 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=e7ed5d30f317a284f1712767b3e2b6b38e9e4d1c240e0d478d3aa 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, Jan
From: Sam Wormley on 2 Apr 2010 17:46 On 4/2/10 1:48 PM, Yousuf Khan 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=e7ed5d30f317a284f1712767b3e2b6b38e9e4d1c240e0d478d3aa1c1cad8ffe7 > > > Actually, shouldn't quantumly-entangled atomic clocks give inaccurate > results, as they communicate with each other faster than the speed of > light? > > Yousuf Khan I think your use of "communicate" is poorly conceived. Arbitrary communication cannot occur faster than the speed of light.
From: Androcles on 2 Apr 2010 18:30 "J. J. Lodder" <nospam(a)de-ster.demon.nl> wrote in message news:1jgcarq.14fibz1g4mtclN(a)de-ster.xs4all.nl... > 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=e7ed5d30f317a284f1712767b3e2b6b38e9e4d1c240e0d478d3aa > 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, > > Jan Nothing is more stupid than bigotry. You are no exception, Androcles
From: J. J. Lodder on 3 Apr 2010 03:42 Androcles <Headmaster(a)Hogwarts.physics_x> wrote: > "J. J. Lodder" <nospam(a)de-ster.demon.nl> wrote in message > news:1jgcarq.14fibz1g4mtclN(a)de-ster.xs4all.nl... > > 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=e7ed5d30f317a284f1712767b3e2b6b38e9e4d1c240e0d478d 3aa > > 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, > > > > Jan > > Nothing is more stupid than bigotry. > > You are no exception, > > Androcles Thank you very much for your exceptionally clear scientific contribution, Jan
From: Yousuf Khan on 3 Apr 2010 17:22 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=e7ed5d30f317a284f1712767b3e2b6b38e9e4d1c240e0d478d3aa > 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. Yousuf Khan *** Quantum entanglement - Wikipedia, the free encyclopedia "Observations pertaining to entangled states appear to conflict with the property of relativity that information cannot be transferred faster than the speed of light. Although two entangled systems appear to interact across large spatial separations, the current state of belief is that no useful information can be transmitted in this way, meaning that causality cannot be violated through entanglement. This is the statement of the no-communication theorem." http://en.wikipedia.org/wiki/Quantum_entanglement
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