The Carbamide Power System

Nothing goes to waste: urine as a new source of renewable energy

And no, I’m not taking the piss. Urine, a very versatile waste among other things, has been found useful in all sorts of fields, from curing jellyfish stings, to saving ones life in the desert by soiling a turban to cool the head, or more commonly used as a fertilizer. Most of us, however, just dump [...]