Target 2061: Reinventing Civilization Across Half a Century
2012-12-10 00:00:00
David Brin talks about what the world will look like in 2061, the return date of Halley's Comet.
David Brin talks about what the world will look like in 2061, the return date of Halley's Comet.
http://www.youtube.com/watch?v=ranXRyas6Lk