The black substance is called magnetic fluid (see also: "Breathing Chaos") It was first developed by NASA early 1960's as part of their space program and today used as a seal agent for hard disk drives and semiconductor manufacturing devices.

Link: www.we-make-money-not-art.com/cgi-bin/mt/_7r4ckb4ck5.cgi/5620
Fecha de consulta: 08/01/2006

Fecha de modificaci�n: 08/01/2006 03:14