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Vaavud Smart Phone Wind Tracker

Startup Vaavud is taking to Kickstarter again for a new smartphone wind meter that can track wind speed and direction. The device works by tracking high-frequency sound waves and tiny variations in rotation. Backers can secure a new Vaavud unity for an initial pledge of just £20. http://techcrunch.com/2014/07/10/vaavud-takes-to-kickstarter-again-for-a-new-smartphone-wind-meter-that-tracks-direction/ #tech

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