Rocket-powered mechanical arm could revolutionize prosthetics

Combine a mechanical arm with a miniature rocket motor: The result is a prosthetic device that is the closest thing yet to a bionic arm.

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<p><a href="http://www.physorg.com/news106834743.html">Rocket-powered mechanical arm could revolutionize prosthetics</a></p> <p>Combine a mechanical arm with a miniature rocket motor: The result is a prosthetic device that is the closest thing yet to a bionic arm.</p>