Canon Sound Sculptures

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In a new series of ads for Canon, colorful paints are placed on a speaker cone and filmed at high speed to create beautiful “sound sculptures”. Paint, like oobleck, is a non-Newtonian fluid but does not react the same when excited by sound because it is shear-thinning. (When painting, you want the paint to run off the brush easily but not drip when it’s on the wall; hence, shear-thinning.) Both the photos and videos are lovely examples of fluid mechanics as art. Watch how they did it. # (Via jshoer, @ftematt, @JetForMe)

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