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] 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 random, halfbakery