Sunday, May 06, 2012

Dripping Water Turned into Standing Waves

Very cool!

From Michael Colombo … Dripping Water Turned into Standing Waves:

Facebook user Brusspup performed a simple, but interesting, experiment. Passing a tube of water across the front of a loudspeaker yields a standing wave when tuned to a 24 hz sound wave. Then when switched to 23 hz, it appears that the water droplets are actually traveling backwards through the tube they just came out of. A camera recording at a standard 24 fps is playing tricks with the eye when the frequency of the sine wave is very similar.

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