Researchers have discovered a way to capture and harness energy transmitted by such sources as radio and television transmitters, cell phone networks and satellite communications systems. By scavenging this ambient energy from the air around us, the technique could provide a new way to power networks of wireless sensors, microprocessors and communications chips. Matter & Energy Energy Technology Detectors Batteries Computers & Math Spintronics Research Computer Science Information Technology Strange Science Reference Microwave IEEE 802.11 Radio Radiant energy "There is a large amount of electromagnetic energy all around us, but nobody has been able to tap into it," said Manos...