Vibrations from pure tones make salt crystals form distinct patterns. Turn your volume down before viewing as the tones can be annoying to listen to, but the patterns that are formed are interesting. See also cymatics.
Today is: 3 December, 2008
Sound and salt (video link)
Submitted by Zinger on June 1, 2007 - 22:50.chladni effect | cymatics | News | sound waves
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