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Comments on Japanese Company To Build Space Elevator?
Establish an elevator system linking Earth to space! (Read the complete story)

"A question that nage at me is what will keep the weight of the cable itself from pulling the counterweight down into the atmosphere and crashing?"
(Joey1058 2/24/2012 1:05:39 PM)
"A counter weight has to project away from the Geo-stationary point. Objects released from the counter-weight will be at escape velocity."
(Peter Jacobs 2/24/2012 4:39:55 PM)
"Joey, you're right, the weight of the cable is a big problem; that's why Arthur C. Clarke spent a lot of time thinking about what to use as a material. Take a look at this discussion of a (fictional) one-dimensional diamond (carbon) crystal. This sounds very close to carbon nanotubes discovered about twenty years later."
(Bill Christensen 2/24/2012 6:08:12 PM)
"Another example of a science-fictional material that anticipated modern developments and coud be used for space elevator fiber is the Sinclair molecule chain from Larry Niven's 1968 novel A Gift From Earth. See also this real-life example of an amazingly light yet strong nanotube stretched between two tungsten needles that acts like a wire cheese slicer."
(Bill Christensen 2/24/2012 6:10:50 PM)

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