![]() * The very fabric of space would have to be delimited by some means for it to be practical. ![]() ![]() Light-years, light-decades, and light-centuries separate us from the cosmos, and the fleeting and questionable alien visitations in evidence would be hardly worth the trouble if light-speed is an actual limit. But there is reason to believe it can somehow be achieved: If we arebeing visited by those strangely silent interstellar and even intergalactic civilizations, superluminal travel would be a necessity. ![]() Whether some such "warp drive" could ever be possible may be beyond our ability to predict or even realistically conceive, as was the electric motor not so long ago. A relatively simple parting of space to the front might be a sufficient and more practicable technique, but given our current level of technology, ours is not to reason how. He speculates that a spacecraft could travel faster than light if it could be somehow driven by an expansion of space behind it combined with a contraction in front. "The Alcubierre warp drive" is a concept of theoretical physicist Miguel Alcubierre at the National Autonomous University of Mexico. I believe the most plausible answer to the paradox is suggested, indirectly, by the idea of superluminal travel - travel faster than the speed of light.
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