A bicycle powered generator built at Cabrillo College with help from a National Science Foundation grant and students Frank Aidnik, Cory Dominguez, and Luis Sonsino. It can power either 12 VDC or 110 VAC appliances. We use it to teach energy science. You can see detailed photos at http://picasaweb.google.com. (Search for Cabrillo College Energy Bike.) For more information, contact John Welch at the Cabrillo College Physics Dept.