This machine converts your pee into electricity

Researchers in the UK have created a urinal that converts pee directly into electricity. The technology uses a set of microbial fuel cells (MFC), which contain tiny organisms that survive by breaking down urine and producing electricity as a byproduct.

An earlier model of the urinal was shown to successfully charge up a mobile phone, a stunt that made headlines back in 2013. But the team from the University of the West of England in Bristol, UK, wanted to find a more practical use for the technology, and is now working with Oxfam with the aim of lighting up refugee camps at night using nothing but urine.Read more here