Portable USB motion sensor brings hands-free gesture control to laptops

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Surgeons in Brazil are already using the Microsoft Kinect to improve their productivity through gesture control with the Intera project, so could the same go for consumers? Aiming to provide the possibility, Leap Motion is a small motion-sensing device that can plug into any computer's USB slot. At just three inches long and 0.5 inches high, the sensor features two cameras and three infrared LED emitters that enable the device to detect motion in eight cubic feet around it, to an accuracy of up to 1/100th of a millimeter. Once plugged in, the Leap Motion is powered through the USB…

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