Binocularity.org is a nice web site with a small but useful set of description pages about the fundamentals of stereoscopic vision.
This process is normal for all human beings (or at least 95% of them), but how does it work?
Find it here in this excellent paper by Barry Hochfelder found on the Advanced Imaging web site.
Quote : "The most powerful source of human depth perception is stereopsis, the response created in our visual systems by comparing the views we get from our two eyes..."
The TechRadar web site has a nice 2-pages long paper explaining the basics of 3D TV. Look at this valuable resource here. The paper includes description of the various systems, how 3D movies are done for 3D TV, including dimensionalisaton of old 2D films, and presents an overview of the market with prices and technical details.
The Stereoscopic Encoding Guide for Windows Media is an excellent introduction on how to encode your 3D movies, compress them and distribute them on Windows Media. The guide is available online here on 3dtv.at , the developers of the famous StereoscopicPlayer