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orthonormal comments on UFAI cannot be the Great Filter - Less Wrong Discussion

35 Post author: Thrasymachus 22 December 2012 11:26AM

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Comment author: orthonormal 26 December 2012 06:00:12AM *  3 points [-]

Human beings in the 1970s were able to throw a hefty chunk of metal (eventually) out of the Solar System, so interstellar travel doesn't require any future breakthroughs (though such breakthroughs would make it easier). See Project Orion for an early look at the feasibility of interstellar travel without space elevators, uploading, nanotechnology, or AI.