There is a mathematical side to optical illusions. One professor studies ... “you can’t square a circle”, which is essentially metaphor for trying to do the impossible.

Are you one of them? Created by Brusspup, the first optical illusion in our list is a bit of a geometric trick. The white circles appear to form a circular shape that rolls around the inside of ...

The pink circle on the right may seem bigger at ... Mach band While some optical illusions dupe our brain into seeing motion, others like the Mach bands illusion deceive us into seeing imaginary ...

Op Art, also known as optical art, is a type of art that features optical illusions. The way that lines ... spirals, waves, circles and checkerboard patterns. Often these are produced in black ...

We’re all familiar with different optical illusions. In Auditory Illusions ... to be constantly rising but in fact is going round in circles. The highest frequency sound is gradually dying ...

Research shows that people who ace this optical illusion puzzle tend to think more creatively. Brain Teaser: How Many Circles Are There? Only People With Extraordinary Intelligence and Focus Pass ...

Still searching? Don’t worry. Optical illusion pictures like this are designed to challenge even the best. Brain Teaser: How Many Circles Are There? Only People With Extraordinary Intelligence ...