So the Nintendo Wii has that fancy pants wireless Wiimote thing. And because it allows full gyration controls the Wii needs a fancier sensor. Enter the sensor bar ...

http://www.youtube.com/watch?v=JTGSkYRDpWY<BR><BR>All IR transmitters... (those blue dots that can't be seen with the naked eye)<BR><BR>All backwards... seems it's ...