On January 31 2003, less than 24 hours before the Columbia space shuttle broke up, Nasa announced that it would no longer be funding its Breakthrough Physics Propulsion Programme - the world's largest ...
Antigravity -- Beyond rocket propulsion -- Onward and upward -- An etheric explanation -- The U.S. antigravity squadron -- Gravity beam propulsion -- Project skyvault -- Microwave phase conjugation -- ...
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