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    Avatar Posted by sona240 273 days ago (http://tiny-news.blogspot.com)
    Category: Technology | Tags: space elevator structure technology

    A space elevator is a proposed megastructure designed to transport material from a celestial body's surface into space. The term most often refers to a structure that reaches from the surface of the Earth to geosynchronous orbit (GSO) and a counter-mass beyond.
    Current technology does not make available, in engineering quantities, materials that are sufficiently strong and light to build a space elevator for the most interesting case, from the Earth's surface to GSO. The Earth's effective gravitational potential well is simply too deep. However, the total mass of material needed to construct such a structure is an extremely strong function (exponential) of the strength and density of the supporting cable material. Carbon nanotubes appear to be interestingly close to making this possibility practical.
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