German researchers at the University of Hannover developed a new Satellite Navigation device that guides walkers using an electrical pulse to stimulate the sartorius muscle. The researchers claim it feels like a like a gentle tug in one direction.It was successfully tested in a crowded Hannover park. The future plans are to use GPS on a cell phone to send Bluetooth signals to the electrodes in the legs. It's supposed to enable travelers to navigate unfamiliar cities without having to take their eyes off the sights.
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