Stare at the lobster's eyes long enough, and the dish will seem to repair itself.
Where does this staircase begin? Where does it end?
Move your head around this image. The blue and green color fields will appear to move and change size.
pixelized face. Can you guess who it is?
Click to see a high-resolution version.
How many pencils can you see here?
Stare at the moon long enough, and the stars should begin to fade away. How many can you get to disappear?
Can you tell which of these lines is longer? Test them with a ruler or a piece of paper -- you may be surprised.
As the small circles intersect with the large ones, we seem to see the outlines of a growing and shrinking square. But there is no "square" -- your brain is trying to visualize in terms of solid shapes, and fills in the blanks.
These "fish" may appear to be wiggling, but the only thing changing in this animation is the color.
Lean up close to your monitor. What does this image say?
Try stepping back a few feet. What does it say now?
A variation on a classic illusion, this cat can be perceived as rotating in either direction. With practice, you can make it switch at will!
