3D Javascript using three.js

Recently stumbled upon one of the most amazing libraries I have ever seen -- interactive 3D graphics using JavaScript.  Yes, JavaScript.

What it is - slideshow:

http://fhtr.org/BasicsOfThreeJS/#2

Sample projects:

http://mrdoob.github.com/three.js/
http://alteredqualia.com

Download at:

https://github.com/mrdoob/three.js/

Fantastic resources and additional libraries:

http://learningthreejs.com/

Getting started:

http://www.aerotwist.com/tutorials/getting-started-with-three-js/

Further tutorial:
http://www.smashinglabs.pl/three-js-tetris-tutorial
http://www.96methods.com/2012/01/three-js-moving-objects/ (and more)
http://bkcore.com/blog/3d/webgl-three-js-animated-selective-glow.html (glow effects)
Integration with Blender:
http://blenderscripting.blogspot.com/2012/04/threejs-and-blender.html

Reddit:

http://www.reddit.com/r/threejs/