An astounding and practical academic paper: "THE SPACELINE: A PRACTICAL SPACE ELEVATOR ALTERNATIVE ACHIEVABLE WITH CURRENT TECHNOLOGY" A space elevator to the moon—buildable with today’s technology. There is more rare-earth on the moon—then earth. https://arxiv.org/pdf/1908.09339.pdf …pic.twitter.com/FIRDDbBIkg
8:40 AM - 28 Aug 2019
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