Imagine never pluging in your smart phone, laptop or electric car for charging. Recent article in MIT technology preview prompted me to write a little post on this. Charging batteries without wire has been subject of research for many years but with proliferation of devices (smart phones, portable music players, net/notebooks, etc) we are seeing an increase in R&D work in this area. The theory is pretty simple. Intel has been working on this for some time now (see a cool demo and Intel CTO explaining how it works).
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