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The Alula
Adjusting the flaps on an airplane’s wing allows a pilot to control lift and drag — and the design of these flaps was inspired by the wings of birds. All flying birds have what’s called an alula on each wing. At the center of the front edge of the wing is a structure covered with three to five feathers that functions much like a flap on an airplane’s wing. The alula helps create lift and also prevents stall when a bird comes in for landing.
More info and transcript at BirdNote.org.
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Published on 2 years, 3 months ago