Don't know how or why it? works but it does, .......fascinating.
If you watch the above images from your seat in front of the computer,?
Mr.Angry is on the left, and Ms. Calm is on the right.
Get up from your seat, and move back about 7 to 12 feet. They switch places!
I believe this illusion was created by Phillippe G. Schyns and Aude Oliva of the Univ. of Glasgow .
This proves that we may not be seeing what's actually there, all the time.