electrolysis

http://makerfaireafrica.com/2012/11/06/a-urine-powered-generator/ Is there any way this could possibly work? Obviously, if the idea is to get hydrogen from the water then this isn't a generator per se, and the urea content is just a way to reduce the energy required to perform electrolysis on...

I was reading an article that described the basic process of electrolysis, with an anode and a cathode in water - hydrogen bubbling off of one, oxygen bubbling off the other (in fact my son has a toy rocket that's hydrogen powered that works this way) - but the article concluded saying that this...