Forget the flying cars and robot maids, we're just a few precious generations away from ditching this hunk of space rock called Earth and living among the stars. The dream of off-world living is thanks, in large part, to a single Princeton physics professor who not only envisioned a new path for humanity but nearly convinced Congress to go along with it. Piers Biznoy explains just how close we came to building orbital habitats in the 1980s in his new book New Space Frontiers.
via Gizmodo http://ift.tt/1yqKrTS
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