Science Fair Project Encyclopedia
Faraday wave
If a layer of liquid is placed on top of a vertically oscillating piston, a pattern of standing waves appears which oscillates at half the driving frequency. These Faraday waves can take the form of stripes, close-packed hexagons, or even squares or quasicrystalline patterns. Faraday Waves are commonly observed as fine stripes on the surface of wine in a wineglass which is ringing like a bell. Faraday waves also explain the 'fountain' phenomenon in the Chinese Singing Bowl.
Last updated: 05-28-2005 10:02:18
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details