Matt writes “The stereoscope used lenses to make each eye see a separate image. It was wildly popular. In some ways it was the first “television,” found in the living-rooms and parlors of every self-respecting European and American family. 168 years later, the same basic principle is still used to create 3D movies and photographs. Here I’ve created my first stereo pair” Link.
HOW TO – Make Your Own Digital Anaglyphs