| http://www.w3.org/ns/prov#value | - Combine a mechanical arm with a miniature rocket motor, and the result is the closest thing yet to a bionic arm.Vanderbilt mechanical engineers have developed a radically designed prototype as part of a $30 million federal program. ???Our design is closer in terms of function and power to a human arm than any previous self-powered prosthetic device, and it weighs about the same as a natural arm,??
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