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As I understand it the problem is on the sending end. I'll give you an over-simplified analogy.
Originally posted by twinmommy38
Am I correct in saying that FTL communication between 2 displaced entangled items (micro or macro) is impossible because while inputting energy to one of the pair will cause the other to react, what the reaction will be cannot be known?
Unfortunately, quantum mechanics makes extremely accurate predictions by assuming the opposite, that in fact "God does play dice" so to speak, so we can't predict the outcome of an observation with certainty, we can make only predictions based on statistical probabilities like flipping a coin or rolling dice. That's why you have a hard time controlling what you're sending.
in a 1943 conversation with William Hermanns recorded in Hermanns' book Einstein and the Poet, Einstein said: "As I have said so many times, God doesn't play dice with the world."
While I'm skeptical about that loophole, if somebody wants to try, I say let them try.
At the AQRTP Workshop we considered the question of whether quantum nonlocality was a possible medium for FTL communication. In the context of standard quantum mechanics there is good reason for believing that it is not. Eberhard has proved a theorem demonstrating that the outcomes of separated measurements of the same quantum system, correlated by nonlocality though they are, cannot be used for FTL observer-to-observer communication. A possible loophole in Eberhard's theorem could arise if, following the work of Nobel Laureate Steven Weinberg, one modifies conventional quantum mechanics by introducing a small non-linear element into the standard QM formalism. It has been shown that in slightly non-linear quantum mechanics, the observable nonlinear effects that would arise would make possible FTL communication through nonlocality.
Originally posted by kaskadeBut now physicists have succeeded in entangling two macroscopic diamonds, demonstrating that quantum mechanical effects are not limited to the microscopic scale.edit on 1/12/2011 by kaskade because: (no reason given)