March 30, 2012

Piano Inspires Land Mine Detector

Neal Ungerleider, Fast Company


AP Photo

17-year-old Marian Bechtel might live in Pennsylvania, where land mines are not a common occurrence, but she has still managed to invent the prototype for a brand-new minesweeper.

The device, which cost far lower than current technology, uses sound waves to figure out where the deadly devices are. The combination of sensitive microphones and a seismic vibrator connected to a standard metal detector was tested, successfully, on mock plastic and metal land mines. It was a finalist in the recently concluded 2012 Intel Science Talent Search.

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TAGGED: Acoustics, Land Mines, Piano, Sound