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Optical illusions demonstrate how the brain interprets visual information. This short video presents a simple illusion experiment. Viewers can test how their perception reacts to the effect. The ...

Optical illusions occur naturally in different habitats and conditions across the world. Cloud formations can sometimes make it seem like there's an ocean or a UFO in the sky. Whether it is salt flats ...

Optical illusion puzzles have been there for centuries and these are fun challenges that are designed to play tricks on our eyes and brains. Optical illusions work on a simple principle where it ...

Optical illusions are images that play tricks on our eyes and brain. They are designed in a way that makes us see things differently from what actually exists. These puzzles test our observation ...

In this Ebbinghaus illusion of relative size perception, the orange circle on the left looks bigger than the one on the right - but it is actually 10 per cent smaller. In a new study, medical imaging ...

Feed-perfect illusion rooms, puzzling hands-on interactive installations, perplexing holograms and optical tricks are just a few of the more than 50 attractions the Dallas Museum of Illusions has ...

Everyone loves an optical illusion — even if they leave us completely stumped — and they're all around us in the natural world. From an underwater waterfall in the Indian Ocean to a surrealist scene ...