Genetically engineered viruses could someday make typing-powered gadgets possible

There have been quite a few efforts to harness people power, by putting specially designed energy harvesters in exercise machines, yo-yos, or right inside your shoes. But none of them have been quite as thin or just downright cool as a new device that uses a paper-thin electrode packed with viruses to turn mechanical… »5/13/12 1:50pm5/13/12 1:50pm