Optical illusions come in various forms, but we can categorize them into several main groups: irradiation, geometric illusions, brightness/color illusions, ambiguous figures, and impossible figures.

These tricky illusions can be found in a wide range of forms, from simple geometric shapes to complex images and animations. They are not only fascinating to look at but also provide valuable ...

Sugihara asks. “The existence of such geometry-defying objects warns us of the potential dangers of optical illusions in our lives.” An "ambiguous object" is one with different appearances on ...