Concrete

Building blocks: ESA study find human urine could be used to make concrete on the moon

The main ingredient in “lunar concrete” would be a powdery soil found on the moon’s surface known as lunar regolith.

Engineers at Nasa and Stanford figure out a way to turn rocks on Mars or moon in concrete

If humans do reach Mars, as NASA has planned for 2030, or even establish settlements on the moon, they would need thousands of tons of concrete to survive.