American Antigravity
Tim Ventura
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David Sereda on UFO Propulsion Systems (Part 1)
29 minutes
Posted Sep 24, 2012 at 5:17 pm.
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David Sereda joins us to talk about UFO reverse-engineering and his vision of the universe, gravity, and how to engineer […]
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Michael Laine’s Space Elevator
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David Sereda on UFO Propulsion Systems (Part 2)
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