Building infrastructure in space is currently costly and complex, but a potential solution, StarCrete, has been developed using simulated Martian soil, potato starch, and salt. This material is twice as strong as regular concrete, with a compressive strength of 72 MPa, and is especially useful in extraterrestrial environments. Unlike earlier materials that required astronaut blood or urine, StarCrete uses potato starch, a resource that will be available for astronauts as food. It is simpler to produce, requiring no heavy machinery or high energy, which reduces costs and complexity. StarCrete can also be made at home-baking temperatures, offering a more sustainable alternative to traditional concrete, which contributes significantly to global CO₂ emissions. The team behind this innovation is now exploring ways to apply StarCrete both in space and on Earth.
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