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starship-design: Going Up? Space Elevator: Next Stop, Earth Orbit
http://www.space.com/businesstechnology/technology/space_elevator_001226.html
Interesting short article on nanotube based skyhooks, which are now
considered more nearterm then I would have expected.
Kelly
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Bradley Edwards, a physicist at Los Alamos National
Laboratories in New Mexico, is a keen supporter of
fabricating
an elevator to space. He recently completed research on
lengthy space elevators thanks to a NASA Institute for
Advanced Concepts grant.
"The space elevator appears much closer to reality than has
been suspected in terms of available technology, cost and
schedule," Edwards said. "The major hurdle is the required
carbon nanotubes, but that's getting closer each day," he
said.
Edwards has scripted a plan that suggests an operational
cable to space can be installed within 10 to 20 years.