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An optical illusion is a visual phenomenon where the brain misinterprets what the eyes perceive, creating a false or misleading impression of reality. This occurs because the brain processes visual ...

Optical illusions are tricky pictures that play with your mind and test how well you can see details. They help scientists understand how our brain processes visual information. These puzzles also ...

This might be one of the most satisfying optical illusions I've ever seen. Not only does it look slinkily 3D printed, but once you get the hang of it, it switches from pointing outwards to inwards ...