Brian Atkins writes:
> Can anyone clear this up for me: if they have light signals emitted from
> this setup on the far end even before the light on the near end has fully
> entered the chamber, what is preventing me from constructing a very long
> chamber of this sort from here to Alpha Centauri and then conducting
> transmissions through it with no delay whatsoever?
Because it doesn't scale (quantum entanglement does though), and you
still need a relativistic channel to distinguish the signal from
noise.
Since superluminal information transfer is equivalent to time travel
(and hence paradoxes etc.), don't expect true ansible real soon.
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