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Wireless energy may soon power our mobiles and laptops
Washington, Nov 15: Charging your laptop or mobile phone through a tangle of cables and plugs could soon be a thing of the past, thanks to physicists at the Massachusetts Institute of Technology, who have come up with a new way to power electronic gadgets without an electrical cable.
Marin Soljacic and colleagues have devised a wireless technique that uses an electromagnetic field to transfer energy from a power source to a device several metres away.
Today's wireless transfer of energy,......
