Optical illusions with hidden images have fascinated and puzzled people for centuries. These visual tricks challenge the ...

Optical illusion pictures are designed to trick the human mind and are regarded as one of the simplest tests to determine ...

Optical illusions play tricks on your brain and can make you see things that aren't really there, from static images swirling around the page to images that stay with you even after you look away.

Optical illusions are a fascinating mix of art and science, designed to trick your mind and challenge your perception. These ...

While most of the time our brain processes what our eyes see, there are instances when this powerful organ fails us. We selected a few optical illusions to test your perception of reality.

Test your IQ with this optical illusion picture! Spot two hidden faces in just 5 seconds in this challenging optical illusion ...

Using a computer model of the retina, researchers have been able to trace the cause of the expanding hole illusion ...

Challenge yourself with optical illusions designed to test your observation skills and creativity. Focus on the 4th row to ...

Take this optical illusion IQ test online! Spot the hidden piano among zebras in just 5 seconds. Test your observation skills ...

While most of the time our brain processes what our eyes see, there are instances when this powerful organ fails us. We selected a few optical illusions to test your perception of reality.

Mach band While some optical illusions dupe our brain into ... s in different hues of grey when in fact, this is just a trick of the mind. If you cover everything but the bar itself, you’ll ...