Check out the GFFX video clip linked to in the thread below. It's from some German TV-show. Anyhow, the thread should explain it all...
http://www.rage3d.com/board/showthread.php?s=&postid=1331572272#post1331572272
Edit: It was originally posted at NVNews.
http://www.rage3d.com/board/showthread.php?s=&postid=1331572272#post1331572272
Edit: It was originally posted at NVNews.