On the Moon, Astronaut Pee Will Be a Hot Commodity

2 点作者 umangkeshri大约 5 年前

1 comment

simonblack大约 5 年前

Throughout most of history, pee has been a very good commercial property.<p>It wasn't till the mid 1800s that German scientists found a simpler way of obtaining urea and ammonia than collecting everybody's urine.