Half a croissant, on a plate, with a sign in front of it saying '50c'

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Visible Sound

Sound wave pattern statue

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Put some quick drying slurry in a vibrating pan and play a sound with a really pretty pattern -- the slurry will dry in the shape of the sound wave.

—	JesusHChrist, Nov 14 2005

Chladni Figures... http://www.physics....ves/demo/3d4030.htm
...are very much to do with the sound wave that produces them. [Wrongfellow, Feb 10 2012]

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Those are not sound waves; Those are stationary waves.

—	VJW, Feb 10 2012

as [VJW] said - that pattern is nothing to do with the sound wave - it's dependent on the viscosity of the liquid and the shape of the container

—	hippo, Feb 10 2012

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