FollowEver wondered how much sewage goes down the drain everyday, without any use to anybody! A team of scientists in China has finally found a way to stem this wasteful slide.
Yanbiao Liu and his colleagues from a university in the country have built a device capable of both cleaning wastewater and producing electricity from it.
Using light as an energy source, the team created a photo-catalytic fuel cell that used a titanium dioxide nanotube-array anode and a cathode based on platinum.
