A team of researchers at the University of Washington has developed an economically viable gesture recognition system, capable of running without batteries. This could be considered to be an appropriate alternative to touchscreens and sensing technologies, which account for significant power consumption. As portrayed by the researchers, this futuristic technology would enable development of smart devices, which would recognize gestures such as a small wave of the hand and operate the device accordingly. Additionally, the technology would also support users to operate their devices even when it is not within the line sight with simple gestures such as hand movements and enables an "always on" mode of operation. The technology could be considered to be applicable for a number of computing devices including those with no batteries, that too at less power consumption of up to three to four degrees of magnitude.
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