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other intelligent life is so far away
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I think this is one of the things like the
"leeches, heart surgery, heart replacement" analogy mentioned earlier, and we may be close to making a jump in science:
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… [it] is shown how, within the framework of general relativity and without the introduction of wormholes, it is possible to modify a spacetime in a way that allows a spaceship to travel with an arbitrarily large speed. By a purely local expansion of spacetime behind the spaceship and an opposite contraction in front of it, motion faster than the speed of light as seen by observers outside the disturbed region is possible. The resulting distortion is reminiscent of the ‘warp drive’ of science fiction.
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NASA Actually Working on Faster-than-Light Warp Drive | TIME.com