Space agency: Human urine could help make concrete on moon
May 8, 2020
BERLIN (AP) — The European Space Agency said Friday that human urine could one day become a useful ingredient in making concrete to build on the moon.
The agency said researchers in a recent study it sponsored found that urea, the main organic compound in urine, would make the mixture for a "lunar concrete" more malleable before it hardens into its sturdy final form.
It noted that using only materials available on site for a moon base or other construction would reduce the need to launch supplies from Earth.
The main ingredient in "lunar concrete" would be a powdery soil found on the moo...