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Uploaded on Jul 22, 2011
Now that the shuttle has been retired, the hunt is on for revolutionary technologies to economically lift cargo and humans into space. And a space elevator just may be the answer. According to renowned physicist Michio Kaku, recent developments in nanotechnology may make this technological marvel a reality by the end of this century.
Images Courtesy of NOVA (WGBH), NASA and The Space Elevator Visualization Group