Optical Illusion: Remember those boards with weird patterns that used to also have hidden objects? The whole point of those boards used to be about how fast one can figure out what the image was! Well ...

At first glance, every number looks exactly the same in this viral optical illusion. But hidden somewhere is one odd number ...

An Optical Illusion is a visual scene that tricks the eye and brain into seeing something differently from reality. These types of illusions use different patterns, colours, or trick the eye by hiding ...

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, ...

The art of optical illusion has been an integral part of painting since antiquity when it was used as a yardstick by which to judge an artist's level of mastery. This book presents a fascinating ...

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 ...