Army's robot bird designed to survey battle zones unnoticed

11/7/2013 | Army Times

A robotic bird developed by the Army and researchers at the University of Maryland is enough like the real thing that its natural counterparts either welcome its presence or attack it. The Robo-Raven is envisioned as a hard-to-detect surveillance tool. "Once it goes more than 20 feet in the air, the motors are so quiet, it's indistinguishable from an animal," said John Gerdes, a mechanical engineer with the Army Research Laboratory Vehicle Technology Directorate at Aberdeen Proving Ground, Md.

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