For best effect, you might want to view many of these videos in full screen or enlarged screen (Ctrl-Scrollwheel Up). At the bottom is an image gallery of illusions that you can browse via thumbnails, slicde show or Piclens.
This is an audio illusion . . .
Stare at this image for 30 seconds, then look at something white. If you don’t see a clear afterimage, blink a couple of times.
This one is pretty cool
Here’s another version of the prior illusion — with 3 dragons
You might well guess how this one works
This Audi commercial has visual illusion. Can you spot them?
This isn’t an illusion but it’s pretty fun to watch
V.S. Ramachandran demonstrates and explains an illusion
Impossible Motion: Magnet-like slopes
Fun with interference patterns
Fun with interference patterns II
iPad fun with interference patterns
After-image visual distortions
Optical illusions set
Negative optical illusion
Shades of gray?
Charlie Chaplin mask illusion
A compilation of optical illusions
More optical illusions
Ambiguous image 1
Ambiguous Image 2
Great magnetic tape illusion art
Nice afterimage effect
Illusion for driver safety commercial
Optical illusion for Stewie aficionados
Castle afterimage illusion
The illusion of peace
High tech time fountain