Before hating, I know that this is old news, I simply can't believe we never got round to posting these videos on the site, they really are something amazing and anyone that missed them should appreciate this post.
Working out of Pittsburgh USA, Johnny Chung Lee has created some fantastic tools to make the best use of the Wiimote and sensors using various little tricks that we've already reported on, such as the Mac Bluetooth drivers.
There are a number of different wii projects listed on his site, by far the most exciting is the perception "Head Tracking" demo.
Using the infrared camera in the Wii remote and a head mounted sensor bar (two IR LEDs), you can accurately track the location of your head and render view dependent images on the screen. This effectively transforms your display into a portal to a virtual environment. The display properly reacts to head and body movement as if it were a real window creating a realistic illusion of depth and space.
Here comes the science:
Nintendo are quite famous for not liking homebrew applications but please turn this man's idea into a commercial game, please.