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Home > News > TV Review: Nova scienceNOW - Episode 3

January 6th, 2007

TV Review: Nova scienceNOW - Episode 3

The second story of the evening, and by far the most compelling, is on a hypothetical space elevator, which is actually exactly what it sounds like: an elevator that could take one from earth to space and back. This might all be made possible through the use of carbon nanotubes, a substance made of carbon (and, shockingly, in a tube-like structure) that is stronger than steel and weighs far less. Of course, no carbon nanotube has been made that is longer than 3 centimeters, so constructing a space elevator out of one may not actually be feasible. Still though, NASA is trying to work out how to construct such an elevator, and has held a contest inviting the whole world to try to come up with the correct vehicle for such an endeavor (the nanotubes would form the shaft up which the vehicle would travel).


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