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A New Push to Solve Wireless Charging
Device-makers align around a wireless charging technology that works through tables to charge multiple devices—and it’s expected in products later this year.
Now the industry is starting to coalesce around a variant of wireless charging that has a much greater range, meaning devices won’t have to be placed directly on special pads. Instead, several devices at once could get a charge merely from being placed on a table with a charger underneath or nearby. That should make it far easier to charge your device more frequently and keep the battery from ever getting too low.

The technology could be seen this week in an obscure booth at the vast Mobile World Congress in Barcelona, Spain. Managers from Samsung and chipmaker Qualcomm showed off how it works. They put an iPhone, Galaxy 3, and Qualcomm Toq headset on a table, and the devices blinked to life. A charging pad had been screwed underneath the table surface and its range was tuned to a specific distance, in this case around 4.5 centimeters, the thickness of the tabletop.
http://www.technologyreview.com/news/524976/a-new-push-to-solve-wireless-charging/