You can now charge via Wi-Fi

Boston: Scientists at the Massachusetts Institute of Technology in the US has  developed a device which converts ac to dc. The device has been named as Rectennas. This is the first step in charging wirelessly. AC is conceived by radio frequency antenna. This ac passes through the conductor and it converted to dc.  This device can be used for purposes including battery charging. The possibility may come in future that electricity can consume via wifi.   


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