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Wireless electricity transmission sounds... dangerous, but the ability to do it could transform the internet of things. Researchers from the University of Washington have charged a JawBone UP24 fitness tracker with nothing but ordinary WiFi. They noticed that regular, ambient WiFi was strong enoug...

27 days ago 0 Comments
June 5, 2015 at 2:38PM
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Wireless charging hasn't really set the world on fire. Since the Palm Pre first introduced us to the idea at CES 2009, a few companies have added similar functionality to their phones and smartwatches. Power without wires is undoubtedly useful, but none of the solutions have ever set our devices f...

5 months ago 0 Comments
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Palm's Touchstone dock immediately came to mind when we first saw LG's Nexus 4 Wireless Charger last fall (now available for $60 in the Play Store). Both devices are circular, with a micro-USB port in back and a slanted front surface on which to rest the phone. That's where the similarities end --...

2 years ago 0 Comments
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That was quick: we'd heard rumors through The Verge of wireless charging coming to the repeatedly leaked Lumia 920 alongside a pseudo-PureView camera, and the mysterious @evleaks has come through with what looks to be press photos showing the wireless charging pad in action. As long as they're mor...

2 years ago 0 Comments
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Wireless power demos abound at CEATEC, and Rohm Semiconductor had their own variant on hand with a complete mix of direct-draw gadgets, along with the omnipresent charging iPhone 4 (or was it a 4S?). Like Murata's prototype, the Rohm flavor uses square electrodes instead of the coils that you'll ...

3 years ago 0 Comments