Supercapacitors Never Tasted So Good

One egg? Check. Water? Check. Carbon pellets? Wait ... The process of making digestible superconductors could almost pass for the Food Network, if not for some fairly esoteric -- although completely edible -- components. The cheese, egg, carbon and gold "sandwich" created by researchers at Arizona State University could one day power medical devices such as cameras or serve as bacteria-fighting super-foods. What's more, they're made largely from ingredients you can pick up at your local gro