March 13, 2022,
This anisotropicplus video is a “hands on” demonstration of how airfoils work and the importance of angle of attack and airfoils in returning boomerang design. It demonstrates that an airfoil is not necessary for lift and flight. I highly recommend the links below for additional information. https://boomerangs.com/pages/how-to-throw-boomerangs This video from NASA may take a minute to load. https://wright.nasa.gov/podcast/Podcast_Forces_Lift.m4v https://airwaysmag.com/avgeek/lift-the-evolution-of-aircraft-wings/ How to throw an Aboriginal Boomerang https://youtu.be/ziseS-Nut34
Anisotropicplus Videos in Historical Order 
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