Optical illusions are not just kids' play. These illusions are a real-time observation test that can reveal your true visual ...

How good are you at noticing details that others often overlook? Take this optical illusion test and see if you can ace it ...

Are you ready to challenge your brainpower and observation skills? Optical illusions with hidden images are an excellent way to test IQ and improve focus. Personality Test: Your Face Shape Reveals ...

Optical illusions are a fascinating blend of art and science, designed to test the limits of your perception and intellect.

Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and took the form of cave sculptings. Nowadays they are found all over the place – on screens, in books ...

How optical illusions work has been long-debated among scientists and philosophers, who wonder whether these illusions stem from neural processing in the eye or involve higher-level cognitive ...

The famous Ebbinghaus illusion, named for its discoverer, the German psychologist Hermann Ebbinghaus (1850–1909). Despite appearances, the two orange circles are the same size. Have you ever looked at ...