Water Drawings from the Bessel Function

I don't even know where to begin, so I will just quote the site...

"Some clever fellas at Akishima Laboratories, in Japan, have come up with a way to “draw” words and pictures on the surface of water, using an enclosure surrounded by 50 wave generators. The image is created by water pixels formed from the simultaneous intersection of all those waves. As you can imagine, a powerful computer is needed to perform the complex Bessel Function calculations involved in creating this effect."
- OhGizmo.com

[via Digg]