Red, blue and green dyes flow over a white plastic model of an airplane inside a water tunnel

A plastic model of an aircraft is being tested inside a water tunnel. The blue, red and green dyes in the water help NASA see how air moves over the airplane. Image Credit: NASA

      the study of how air flows around an object

NASA studies aerodynamics to make airplanes safer.

Race car drivers study aerodynamics to help make their cars drive faster.

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