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 ...

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

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

Abstract: Fine-grained retrieval of remote sensing images is an image interpretation task that is still in its infancy. With the rapid development of convolutional neural networks (CNN) in the field ...

Have you ever wondered what your subconscious mind says about you? This fascinating optical illusion personality test can unlock secrets about your strengths based on the element that captures your ...

This image is known as an optical illusion, meaning there could be other less obvious elements to be found. Everyone can quickly see the light brown dog behind his owner as she chats with a friend ...

Which of these orange circles looks smaller? Radiologists were able to correctly identify the circle on the left as smaller than the one on the right. Medical imaging experts are adept at solving ...

PUZZLE fans have been scratching their heads over this mind-boggling optical illusion where you have to spot the cat playing with a fish. Those who can spot the pesky cat snack in under 12 seconds ...

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 ...

Does everyone experience colour in the same way? A new investigation into this long-standing philosophical question has provided the strongest evidence yet that people with typical colour vision ...

Japanese precision equipment maker Shimadzu Corp. said Wednesday that it has begun selling an optical lattice clock with a deviation of less than one second over 10 billion years, making it the most ...