Monday, November 14, 2011

iPhone Acoustic Ruler

iPhone Acoustic Ruler
Cool video of the iPhone app for acoustic travel measurement.

starMAKE
November 14, 2011 5:00 AM
by Adam Flaherty

iPhone Acoustic Ruler

Here's a novel way to take measurements using sound waves with an iPhone. German developer Florian Student's Acoustic Ruler Pro for iOS will measure distances up to 25 meters by clocking the time delay of emitted sound waves. You can use the app with either a pair of headphones or with another iPhone to measure the distance between the two handsets. [via /.]

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