Alexandra Bruce
August 6, 2013

It costs $10,000 per pound to send you into low Earth orbit, using conventional NASA rocketry. But now that the Space Shuttle has been retired, the hunt is on for more economical technologies to lift cargo and humans into space.

The concept of a space elevator, which has been a staple of science fiction for about a century – and long thought to be totally fantastical, unrealistic concept – just may be the answer, after all. 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

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