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A comment on Warp Drive May Be More Feasible Than Thought, Scientists Say. Parent comment

Re:Warp Drive May Be More Feasible Than Thought, Scientists Say by politician on Tuesday September 18, 2012 @01:18AM (#4536472)
A pair of FTL communication devices (jargon: ansible) can be arranged in a configuration which would allow the future to speak to the past, violating causality.
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