Owl feathers may inspire quieter aircraft, turbines
Numerous aero-acoustic studies have examined the effect of wing porosity, inspired by the quiet plumage features of owls.
Sep 27, 2017, 18:47 PM IST
Owl wings
Numerous aero-acoustic studies have examined the effect of wing porosity, inspired by the quiet plumage features of owls.
Sep 27, 2017, 18:47 PM IST