Can you see the hidden skull (by Istvan Orosz).
Frightened? Of a lady in mirror? Scary, isn't it. It's called "All is Vanity" (by Charles Allan Gilbert).
These women didn't scare you, did they (by George A. Wotherspoon)?
Dr. Jekyll and Mr. Hide scary illusion.
Step away from your computer screen. You should see the two faces swap over! Come closer to the screen again and they swap again. Spooky, isn't it. This hybrid image was created by Phillippe G. Schyns and Aude Oliva of the Univ. of Glasgow. It proves that we may not be seeing what's actually there, all the time.
Do you see any grey dots where the black lines intersect? In fact, there is nothing.
Follow the movement of the rotating pink dot with your eyes and the dots will remain only one color, pink. But if you stare at the black + in the center, the moving dot will turn green. (by Jeremy L. Hinton)
If you stare at one yellow dot for a while, the other yellow dots disappear.
Is this really a square?
3 perfect squares.
Which soldier is taller?
Life's too short for the wrong job - that's the name of this great billboard campaign. Nice optical illusion pictures - click to enlarge.