Acoustical Ruler App Measures Distances With Your iPhone Like a Submarine [Video]

Thanks to a new app that uses the same approach as submarines for measuring distance, you can now add 'semi-reliable tape measure' to the list of things your iOS devices can do. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/PVG690FhVZs/acoustical-ruler-app-measures-distances-with-your-iphone-like-a-submarine

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