Optical illusions have gained a lot of popularity recently, as they get our brain to exercise, and can be the perfect test of ...

Optical illusions have gained a lot of popularity recently, as they get our brain to exercise, and can be the perfect test of ...

This optical illusion shows a noisy, grainy pattern that looks like pure visual chaos at first glance. Hidden in this picture ...

Do you think you have sharp eyes? Try this optical illusion IQ test and spot the hidden needle without getting distracted by ...

An Optical Illusion is a type of visual illusion puzzle which is used for fun and challenge. These types of illusions often ...

Hidden number and letter optical illusions are some of the most satisfying puzzles because they look unbelievably simple ...

Medical imaging experts are adept at solving common optical illusions, according to new research. The research is the first to show that people can be trained to do better at solving visual illusions, ...

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 ...

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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Andriy Onufriyenko via Getty Images Though optical illusions come in all shapes and ...

Lightness perception, the visual system’s ability to maintain a stable representation of surface reflectance despite varying illumination, has long intrigued researchers. Central to this field is the ...