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3D Printing With Sunlight And Sand
Human ingenuity put to the test - manufacture objects using sunlight and sand!
Makes perfect sense to me. In the desert, there is practically unlimited supplies of sand and sunlight. The machine uses those as feedstocks to manufacture useful objects
— Winchell Chung⚛🚀 (@nyrath) November 17, 2020
John W. Campbell thinks the same method could work on the airless (more solar power!) moon:
...Reed has made a larger oven for use when the sun appears again. He found some large blocks of pumice rock, and has set these up as insulators for his furnace.Moore and I have started work on the photo-cells. The silver was refined electrolytically, after we reduced it to a soluble compound. We made a crude, small cell and were delighted - and, I admit, somewhat surprised - to find it worked.
(Read more about Building With Lunar Materials)
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