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SCIENCE STUDIO: Voyager Propulsion System

Alexander Magoun, David Sarnoff Research Center

    Keith & Russ talk with physicists George Cody and Benjamin Abeles, who developed the vehicle propulsion system for the Voyager spacecraft.  Their silicon-germanium thermoelectric power generator, developed in the 1960s, is still being used by interplanetary spacecraft today.  

Aired Jan. 19, 2014.

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