Designed in 1945 by the National Advisory Committee for Aeronautics (precursor to NASA), the NACA duct was intended as an air inlet for jets. Only it was a failure. The design wasn't any good for ...
It hasn’t had quite the impact of GPS or the atomic bomb, but in the pantheon of items created by U.S. government researchers, the NACA duct must be considered one of the most enduring. This story ...
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