What Is an Optical Illusion? An optical illusion is a visual phenomenon where the brain misinterprets what the eyes see.

There's a line of thought that equates intelligence with “pattern recognition.” How do you stack up on this unique cognitive ...

What is an Optical Illusion? An optical illusion is a visual phenomenon where the brain misinterprets what the eyes see.

Optical illusions continue to challenge and intrigue internet users, pushing their visual perception to the limit. Today's optical illusion is testing people's attention to detail—an image filled with ...