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A vortex is creatit bi the passage o an aircraft wing, revealed bi smoke. Vortices are ane o the mony phenomena associatit wi the study o aerodynamics.

Aerodynamics, frae Greek ἀήρ aer (air) + δυναμική (dynamics), is a branch o dynamics concerned wi studyin the motion o air, pairteecularly when it interacts wi a solit object, such as an airplane wing.