Geopolymer concrete: Building moon bases with astronaut urine and regolith

The modules that the major space agencies plan to erect on the moon could incorporate an element contributed by the human colonizers themselves: the urea in their pee. European researchers have found that it could be used as a plasticizer for concrete used to build structures.

from Phys.org - latest science and technology news stories https://ift.tt/2Us6TNU

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