I'll also put some pictures of scholarly interest here in the future (hopefully!)

Visual Illusions

1. There is no moving snake in the following picture!

2. All the lines are perfectly straight in the following picture.

3. Which circles are white, which are gray and which are black?!

4. Do you believe that blocks A and B in the following picture are exactly of the same color?

5. Where does the hole come from? (Hint: 2/5>3/8)

6. Expanding and contracting squares!

7. Almonds wave!

8. Can you read my name in the following stereogram?

Reference: (Partly) Akiyoshi KITAOKA, Department of Psychology, Ritsumeikan University, Kyoto, Japan.