The peripheral drift illusion causes us to perceive motion in a still image. A new study shows that the mechanism of this illusion relies on changes in pupil size.

Optical illusions are a unique type of brain teasers, designed to test the limits of your perception and challenge your ...

We have a picture given below, which is of two images that look pretty much the same. However, they are not the same and have ...

Believe it or not, we've seen a few optical illusions in space over the year. Well, we haven't seen them – the Hubble ...

Fibre optics and optical communications is the use of thin strands of glass for sending information encoded into light over long distances. Total internal reflection prevents light inserted into ...

Your time’s up! Spotted the pigs without hats yet? Or are you in need of some hints? For hints, all we can say is maybe try taking another good look! For this one, we can hardly give you any hint, or ...

Only those with a sharp eye and a strong focus can spot it within seconds. This optical illusion is a classic example of a visual puzzle that exploits the brain’s tendency to seek patterns. Our eyes ...

If you enjoy testing your observing ability, we have a challenge for you. Another optical illusion is going viral on social media, with everyone puzzled and trying to solve it. Shared on X ...

Optical illusions continue to capture public interest because they highlight the fascinating way the brain interprets images. These puzzles play with light, shadow, patterns, and depth perception ...

For the premiere, the actress opted for a dress that doubled as an optical illusion. The dress was semi sheer and feature three layered panels—one that draped delicately over the chest area as a ...

Optical illusion personality tests, popular for their psychology-based images, reveal hidden traits based on what one notices first. This test features a whale and a surfer; seeing the whale ...

Optical illusions are fascinating because they can trick the brain into seeing something that isn’t really there or hiding something in plain sight. While some people enjoy solving them others might ...