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"I feel like I've been very fortunate in that I've stuck like a burr to the dog-leg of the next generation of nerdism. I've been carried into the XXIth century on Bill Gates' pants-cuff."
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One of the basic problems of creating orbital cities or environments is the necessity of dragging everything you need out of the "gravity well" of Earth. A well-known solution proposed by various science fiction authors is to use materials from places other than Earth, where the energy cost of acquisition is not as large.
A concrete mixture is an interesting and natural choice. I don't think I've heard it mentioned elsewhere in science fiction; there may be an earlier reference in Heinlein.
See also Lunar Propellants and Lunar Concrete for more. Comment/Join this discussion ( 4 ) | RSS/XML | Blog This | Additional
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