Scientists Just Made a Breakthrough for Interstellar Travelpopularmechanics.com 8 pointsElof2 years ago1 commentSaveHideCopy link On HNComments−yawpitch2yThe topic needs to overcome many practical hurdles, he says.Like, for example, this thought experiment “breakthrough” requiring us to have already reached Kardeshev 2 to build it?
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Like, for example, this thought experiment “breakthrough” requiring us to have already reached Kardeshev 2 to build it?