Establishing colonies on the moon will require a means to fabricate spare parts for repair or replacement. One Austrian company is already 3-D printing ceramic nuts and bolts out of simulated moon dust.
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Planning on watching the eclipse? Learn how it might affect the grid—plus some interesting geeky trivia to share with and impress your fellow eclipse watchers.
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Quantum dot windows harvest sunlight, lunar fire fountain mystery unmystified, and other materials stories that may be of interest for September 2, 2015.
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