Stating whether FTL communication is possible at all may require hedging. Stating that it can't occur over quantum superposition does not, as I understand it. The math is clear; there's no information traveling. It does not matter how sophisticated our quantum computers get, there will not be any FTL communication coming out of them.
If we could do that at all, we'd almost certainly be able to to it today, anyhow. We have multi-q-bit QM computers, they just aren't of a practical size for computation. But if FTL communication was possible, it would have been done with them already.
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Chances are FTL communication is not possible.
http://curious.astro.cornell.edu/question.php?number=612
http://en.wikipedia.org/wiki/Superluminal_communication
The book, "Why E=mc^2" is an exceptional read. If I recall correctly, it explains why light-speed is a universal limit:
http://www.amazon.co.uk/Why-Does-mc2-Brian-Cox/dp/0306819112
Stating whether FTL communication is possible at all may require hedging. Stating that it can't occur over quantum superposition does not, as I understand it. The math is clear; there's no information traveling. It does not matter how sophisticated our quantum computers get, there will not be any FTL communication coming out of them.
If we could do that at all, we'd almost certainly be able to to it today, anyhow. We have multi-q-bit QM computers, they just aren't of a practical size for computation. But if FTL communication was possible, it would have been done with them already.
Mind you, this would imply that the telcos probably can't send data FTL either, so it's all good. :)