A magnet dropped through a copper tube. Found here, which has some more explanation.
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Archive for the “Science” CategoryShear thickening effect on corn starch from a subwoofer. Various interactions between the elements if they were at an awkward social gathering. National Geographic sets up a series of experiments to test claims of telepathy, with interesting results. A creepy effect occurs when corn starch and water is exposed to an 80 hertz sound wave. |
masthead photo courtesy of inlumino.com

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