ειχα κολλησει με αυτο τοτε ,λογω και της ταινιας (dune)
http://www.crashonline.org.uk/23/critical.htm
CRITICAL MASS
You're the Little Blue Man With a Jetpack in the centre of the screen. A nasty sandworm has just popped its head up close to a quartzite rocky outcrop. CRITICAL MASS from...