Saw this interesting clip of Beau Lotto talking about optical illusions.
Thought you might also find it interesting...
Beau Lotto's color games show what you can't normally see: how your brain works.
This fun, first-hand look at your own versatile sense of sight reveals
that you can't always trust your own perception of what you see.
Beau Lotto is founder of Lottolab, a hybrid art studio and science lab.