More geekumentaries from Siggraph 2006. Three interactive water displays: a musical harp with water “strings”, a liquid touchscreen and a tantalizing fountain that withdraws when a hand comes near. You find some more details from the official Siggraph 2006 site here.

Credits to Paul Dietz, Jefferson Y. Han, John Barnwell, Jonathan Westhues and William Yerazunis.

http://video.google.com/googleplayer.swf?docId=2310889848710041872&hl=en

Link to video on Google.