Kindly sent in by John Franklin
So, what do you see?
What Guy found was hat he
could control the spinning by widening his eyes, developing a sort of far away look.
One teacher said, 'I felt like they were all moving... but slowly. Kinda
like, they were breathing.'
The pictures are used to test the level of stress a person can handle. The slower the pictures move, the better your ability of handling stress.
Alleged criminals that were tested see them spinning around madly; however, senior citizens and kids see them standing still.
By the way, the above image is not animated. The circles are perfectly
Another Fantastic Illusion - Parallel lines
hard to believe that all those lines are parallel.
An Illusion by Italian artist Marina Apollonio at Frankfurt's Schirn museum.
Would you like to see another example of an optical illusion?