As above, here below
Early science fiction authors tossed around the idea of mining the asteroids near Earth decades ago. Asimov, Heinlein, Pournelle, and other sci-fi luminaries wrote the concept into their stories of robots and space-bound pioneers since the 1940s. As with many of those authors’ ideas, we’re on the edge of fiction becoming reality.
Companies such as Redmond-based Planetary Resources plan to send robot harvesters up to the asteroids, likely within a decade, to extract water and rare minerals. CEO Chris Lewicki told me they are already in the prospecting phase, sending satellites to probe for likely mining candidates. The conference room where we met has … » More …