If you've ever seen a dog trying to shake itself dry after taking a plunge into water — or perhaps while standing next to the person who just gave it a bath — you've probably noticed that the technique can throw off a shocking amount of water.
That's all part of nature's design, says Andrew Dickerson, a graduate student at Georgia Tech. Talking with NPR's Robert Siegel, Dickerson described his recent study of how fast different animals "oscillate their bodies to shed water droplets," as an abstract of his work states.
For his study called "The Wet-Dog Shake," which appeared in the journal Fluid Dynamics, Dickerson and his colleagues slowed down images of animals — dogs, a bear, even a mouse — shaking themselves dry. The footage was shot with a high-speed video camera.
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