We’ve been hearing for years about all the ways the “internet of things” is supposed to revolutionize the world. When is that supposed to happen, though? Sure, you can get a few smart-things in your home, but the omnipresent network of sensors and remote systems we’ve been promised are still a fantasy largely because of the crummy state of battery technology. A team of researchers from the University of Washington’s Sensor Lab have come up with a way we might be able to get around that with a device called the WISP. It’s a tiny computer that doesn’t need a battery...
http://www.goreadus.com/technology/wisp-computer-has-no-battery-gets-power-wirelessly-from-radio-waves/