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Researchers at Nokia Research Center unveiled the ‘Mobile Radar’ during “Demo House 2010″. Using the same technology adopted by the police to give you a ticket for speeding, the device could measure an object’s distance, speed and direction. Therefore, you can control your cellphone via simple gestures without touching it. For example, you only need to wave your hands in front of your phone if you want to adjust its music player’s volume. Check out the video below to see how the ‘Mobile Radar’ is used.

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