http://video.google.com/videoplay?docid=2004584102456272205# Little LED balls that are thrown at night to stick to walls, it's a cool demonstration.
http://www.sunbelt-software.com/stu/iraq/sandstorm.htm Pictures of a giant sandstorm in Iraq, this link is a must see.
http://video.google.com/videoplay?docid=672422470842718521# Lightsaber fights made by Star Wars fans. This has really cool special effects.