Future 3D trend: realtime raytracing

I just thought it might be of interest... For the future :)

This guy took quake 3 sources and added raytracing. It's not only
nicer than rasterized graphics, but also "simpler" (the performance
hit isn't that bad)!

http://www.pcper.com/article.php?aid=334&type=expert&pid=2

http://www.openrt.de/