Optical illusions challenging to find hidden animals are a popular type of visual test. These are not just fun challenges but also a real-time test to gauge your visual perception, attention to detail ...

A hidden dog optical illusion shared on Reddit puzzled users.

Optical illusions are a fun and engaging way to test your brainpower, especially when they challenge you to find hidden ...

We saw lots of optical illusions go viral on social media in 2024. We even saw optical illusions in space and AI optical illusions that look like different subjects at different sizes. But few ...

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 ...

In today’s Optical Illusion series, we have a Cosmic Nebula drifting through deep space. It is just creating an illusion, in ...

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 ...