Imagine satellites in space, perpetually powered by invisible beams of energy transmitted from Earth. This could soon be a ...

NTT and MHI achieved record 15% efficiency beaming 152 W of power over 1 kilometer, using laser wireless power transmission ...

Scientists are working on harvesting WiFi signals now, to convert them into usable energy. That means we could power our electronics wirelessly, by simply being within the range of a WiFi. Our ...

In a new Disruption Interruption episode, Powercast CEO Charles Goetz reveals how patented RF technology enables true ...

[Photo: Georgia Tech] These days, it seems like there are more electromagnetic signals in the air than oxygen, what with television, radio, 4G, Wi-Fi, and satellites all streaming wirelessly around us ...

Energy harvesting is all the rage at the moment. I'd like devices that convert waste energy into electricity. If I could, I would fill my house with all sorts of high-tech Rube Goldberg-esque machines ...

While it's become a necessity of modern life, Wi-Fi is also an energy hog, draining the batteries of all those connected devices surrounding us. That may change with the recent demonstration by ...

I am pretty nutty when it comes to energy efficiency. It upsets me to know that if the morons who built my house had used the latest information available at the time, my house would require almost no ...