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The Historyscoper's Science and Technology Watch Blog Apr. 2, 2015

Thursday, June 23, 2011

A Completely New Kind of Aircraft Propulsion System, Made of Rotating Cylinders

http://www.freedomsphoenix.com/News/092220-2011-06-22-a-completely-new-kind-of-aircraft-propulsion-system-made-of.htm

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