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October 23rd, 2007
Space elevator isn't going anywhere yet
Turns out it's not so easy to build and race a space elevator. Who knew?
For the third time in three years, no team has claimed the prize money in two NASA- sponsored technology challenges to build a robotic climber and a vertical tether that could one day comprise a workable space elevator. In theory, that elevator would transport supplies from the ground to space without expensive fuel or batteries.
Despite the letdown, proponents of the technology were hopeful, and the roughly $1 million in prize money will roll over to next year's events.
NASA is also interested in developing carbon nanotube materials for other applications, Semon said. "In the next two to three years, the strength of carbon nanotube materials will increase."
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