Compiz in 3D
by Zef HemelThe Compiz guys (compiz is a composite engine for Linux that implements cool visual effects) have implemented a 3D mode. If you own a pair of 3D glasses, those with one red and one blue glass, you will see the desktop in actual 3D. Cool 
1 Commento
Completely useless (like at least 80% of Compiz; check out the Water Effect plugin for example) — but cool nonetheless.