Aerospace consultant Nick Cook, author of the new book, The Hunt for Zero Point: Inside the Classified World of Antigravity Technology. (Broadway Books/ Random House) In the book, Cook tracks down the secret history of anti-gravity research. It*s technology that defies the laws of physics. Cook discovered that during WWII, the Nazis claimed to have been close to antigravity technology. The U.S. government allegedly conducted antigravity research in the 1950s and 60s. Cook is former Aviation Editor for the military affairs journal, Jane's Defense Weekly.

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