Directions
1) Go to the website http://www.michaelbach.de/ot/index.html
2) Select an optical illusion from each category (for examples "Pyramid Illusion" in the Luminance and Contrast category)
3) Follow the directions on the screen and observe the phenomena.
4) Write down in your own words a description or explanation of why the illusion works.
5) For a complete break down of how vision works, check this out.
