Few days ago I was speaking with mrdoob about 3d engines and he showed me one of the projects he's working on: three.js it's a javascript framework to be able to use the browser canvas to paint 3D stuff :)
Its sounded funny: 3D... optimization... it's looks "just" like other demoscene plataform.
So I'm trying to help to improve it and while getting use of the js syntax and so on, here you have a little test I've made (just click on it):
Btw, the effect is based on the code of one of our Stravaganza productions: This way (64kb version also available here)