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Space Exploration Part 4: Ambitious technologies

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Uploaded on Mar 13, 2010

Science Fiction author David Brin challenges us to consider future technologies for the next frontier: Space tethers, Solar sails and space elevators. David is the author of books such as The Postman, Startide Rising and The Uplift War.

For more information about David Brin, visit his website: http://www.davidbrin.com/
Twitter: https://twitter.com/DavidBrin
Facebook: https://www.facebook.com/AUTHORDAVIDBRIN

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