MIT's "artificial leaf" turns sunlight into storable fuel

Take a look at this video. See the little bubbles racing to the water's surface? What you're looking at is an "artificial leaf," unveiled yesterday by a team of researchers at MIT. On either side of this leaf are specially-designed catalysts that, with the help of a little sunlight, allow it to convert the water that… » 9/30/11 4:13pm 9/30/11 4:13pm