Astronaut urine could help us build Moon bases. Scientists just confirmed that urea, a main component of urine, can be used as a valuable additive for 3D-printed structures made from lunar soil.

https://www.pghcitypaper.com/pittsburgh/study-says-renewable-energy-power-plants-will-overtake-natural-gas-plants-by-2035/Content?oid=15834618

Hy pick's