Look at the following picture and count the blocks that are drawn there. Will you find more than 2 of them?
Degraded illusion
You may not have noticed it yet, but it is quite easy to miss completely the difference between two shades of a color, as is shown in the following video.
YouTube link
DIY illusion in photo
A photograph from erik minnema inspired by Bruno Ernst, the biographer of M.C. Escher.
“Back to the Future” DeLorean optical illusion
Do you remember this nice 80’s movie, “Back to the Future”? It had this over-cool DeLorean race car as a time machine. Why not make it a perspective-based optical illusion?
YouTube link
Wonderbra trick ad
Depending on the opinions, a Wonderbra is a useful complement or a mean to cheat with the feminine attributes given by Nature. But here is a présentation that is very deceiving in how it presents the effects of this line of lingerie products.
YouTube link
Modelling optical illusions [Science]
Not only happy with showing you the best visual illusions I could find, here is a conference about a study leading to the analysis of optical illusions and hallucinations induced by optical illusions and drugs. It may be a little long, but the lecture by Jack Cowan is definitely more interesting than most talks about the subject.
Fake floating nuts
Are these nuts real?
YouTube link
Pac Man optical illusion
Do you remember the Pac Man video game? If yes, you’re a dinosaur but you will appreciate this nice architectural optical illusion applied to a flat.
YouTube link
Secrets of a perspective
YouTube link
This impossible perspective receives a kind of explanation if you follow it to the end of the description of this optical illusion in video.