A viral optical illusion has sparked debate on Twitter as people disagree on which number is hidden within a black and white circle. The image seems to show different numbers depending on ...

Prepare to be dazzled and maybe a bit puzzled in the world of optical illusions. It’s not just ... An innocent black and white striped circle carried a secret - numbers nestled within its ...

Humans interpret things differently. And perception-based activities such as optical illusions can be a great way to activate the brain, because how we interpret these activities can often ...

Op Art, also known as optical art, is a type of art that features optical illusions ... waves, circles and checkerboard patterns. Often these are produced in black and white or highly contrasting ...