Urine from astronauts could be mixed with lunar soil and used to build a future base on the Moon – saving on the cost of shipping material from the Earth, study finds. NASA, the European Space Agency (ESA) and the Chinese space agency are all planning to build bases on the Moon in the next few decades. No breathable atmosphere, radiation, extreme temperatures and meteorite bombardment mean a solid structure would be needed for long-term stay. Researchers for the Polytechnic University of Cartagena, Spain, found the urea in urine could be mixed with lunar soil to create a flexible 3D printed concrete. Scroll down for video Architects Foster and Partners created a design that could work as a lunar base in partnership witht he European Space Agency. Researchers from Spain say urine could form a base of any future concrete used in 3D printed buildings Material scientist Ramon Pamies said any construction material would have to withstand extreme temperatures changes while still insulating the base. He said the two main components of urine are water and urea – a molecule that allows the hydrogen bonds to be broken and helps bind liquid mixtures. It would plasticise the concrete used to… Read full this story
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