This visualization was tested with recent releases of Chrome and Firefox on Windows, Safari on OSX and Firefox on Linux. It's most likely to work for you when using one of those browers with up-to-date graphics drivers.
Internet Explorer and most mobile browsers are known not to work. Sorry!
Smoothed Particle Hydrodynamics (SPH) is a method of fluid simulation using free-moving sample points. These samples act like particles, floating and flowing with the forces acting upon them. The various properties of water stem from these particles and their interactions.