There are many compelling optical illusions. They are fun and, at the same time, tell us something about how the visual system works. In this section I will post some of the coolest illusions and explain/ speculate on how they work. Click on the links to see the full story!

Boogie-woogie and living diamonds

Bulging checkerboard

Café wall

Colour after effect

Flashing, grabbing, and dancing lines

Infinite Pac-man

Invisibly morphing changes

Illusory Christmas

The Loch Ness after effect

Pinna-Brelstaff

Relative motion in Super Mario land

Reverse spokes

Rotating colour pie

Side-scrolling Pac-man

Silence of the changes

Stepping feet and tipsy toddlers

Swinging tower of Pisa