Harvested TV, Radio Signals Power Devices

ScienceAgogo.com reports that Georgia Tech scientists using a novel printable ultra-wideband antenna have shown that the ambient electromagnetic waves from TV stations, radio stations, satellites, and cell phones can be harvested and used to power a range of electronic devices.

Read more at http://www.scienceagogo.com/news/20110608034236data_trunc_sys.shtml