2min chapter

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#122 – David Fravor: UFOs, Aliens, Fighter Jets, and Aerospace Engineering

Lex Fridman Podcast

CHAPTER

The Biggest Leap in Technology

Top secret military technology cannot be more than 15 years ahead, he says. "This is a giant leap in technology," the MIT professor adds. The 117 stealth fighter flew for this long before it was actually acknowledged by the U.S. government. A gravity-based propulsion system that literally I've got an object? How much power would it cost to create a gravity field of your own?

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