Urine Powered Battery Developed

Saeed al-Sahaf writes "Research investment into developing smaller and cheaper chips to process information in disposable health tests has been significant, but they were still reliant on an external power source. The researchers at Singapore's Institute of Bioengineering and Nanotechnology think they have overcome this problem with their latest urine powered battery. From the article "The battery is composed of paper, soaked in copper chloride, sandwiched between layers of magnesium and copper. The whole thing, once laminated in plastic, is just a millimeter thick, and 6cm by 3cm in size." The breakthrough promises a cheap and disposable power source for home health tests."

Comments

Prior art

[Rosco P. Coltrane]

I saw that once in a bar near LA: there was a urinal with a 3x3 square hole and the top half of a small paddlewheel behind it. A small sign advised that it was an electronic pissing contest machine, and that men who could turn the paddlewheel the fastest would win a free supersize softdrink (to play again no doubt). A bulb on top of the urinal would go brighter and brighter as the paddlewheel would turn faster.