feynman prize

No Batteries Required: Self-powered Devices on the Horizon

Article: No Batteries Required: Self-powered Devices on the Horizon

COLLEGE STATION, Texas, December 4, 2008 (ENS) – A self-powering cell phone that converts the sound waves of the user’s speech into the energy it needs to keep running – without a battery charge – is being made possible by the work of a scientist at Texas A&M University. Tahir Cagin, a professor in the…