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it was transmitted (time travel). However, it is believed that relative time between the transmission of the information in one wormhole throat and out of the other end in a ring structure will remain the same, because light wouldn't have violated local proper time, because the distance traveled by
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sent to the far end via the wormhole and back through normal space will still arrive back on Earth (-0.5 + 1) = 0.5 seconds after it was transmitted; but an additional wormhole in the other direction will allow information to arrive back on Earth 1 second
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feels that there are reasons to think the semiclassical approach is unreliable here, and that a full theory of
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approaches to incorporating quantum effects into general relativity seem to show that the
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the information would take time, either by going the long way or through the wormhole.
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Visser, Matt (1994). "van Vleck determinants: traversable wormhole spacetimes".
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This article is about the physics concept. For the gymnastics apparatus, see
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Visser, Matt (1997). "Traversable wormholes: the Roman ring".
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fails to prevent the formation of such rings, although
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