Charging your phone will soon be a thing of the past

Imagine never again having that frantic feeling that your smartphone battery is about to die. Amazingly, charging your phone may soon be a thing of the past: Technology companies are developing a way for your gadgets to power up while they’re sitting in your pocket. By converting radio waves into battery-replenishing power, smartphones equipped with special receivers can literally pull energy right out of the air. It’s not far-off in

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