Without the aerodynamic forces of lift and drag, aircraft would be unable to fly, wind turbines would not spin, and countless other machines that we depend on every day would not work. What, exactly, ...
Even in 1800, it was understood—by at least one person, a certain George Cayley—that two forces, weight and drag, were antagonistic to flight and that there must be two corresponding forces to ...
Uplifting structures: the denticles are inspired by the shortfin mako shark. (Courtesy: James Weaver/Harvard University) A shark skin-inspired design can dramatically improve the lift of an aerofoil, ...
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