Saturday, January 18, 2020

SCIENTIFIC AMERICAN: Not even experts can explain why planes stay in the air


Not even experts can explain why planes stay in the air
At this point in the history of flight, it shouldn't be that hard for scientists to say what keeps birds — and aircraft — airborne. But the question remains puzzling.

Read in Scientific American: https://apple.news/A0Zc9zaiHRXqIyH2c_aHCtQ


Shared from Apple News



_- Steve

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