7 seconds ago 2009-12-09T18:00:22-08:00
The energy in the air turbulence behind cars could be harnessed to power cell phones or other electronics inside a vehicle, says a Discovery News report citing City College of New York researchers. The scientists are working on a device that uses strips of piezoelectric material, which generates an electric current when compressed. The flow of air around the device causes it to vibrate, producing electricity. Full Story »
Technology Photos