Cymatics: Making sound visible

[Charles Pegge]

http://www.eskmo.com/site2/images/misc_pics/cymatics4.jpg

http://www.rexresearch.com/cymatics/sci_cymatics1.jpg

http://www.eskmo.com/site2/images/misc_pics/cymatics2.gif

http://en.wikipedia.org/wiki/Cymatics

http://www.cymatics.org/