We selected a few optical illusions to test your perception of reality. Produced by Robert Libetti Follow BI Video: On Facebook More from Science Things are not always what they seem. While most ...

In this mind-bending puzzle, there are three numbers that are visible - 21, 22, and 23. But there is a third number in this ...

Optical illusions play tricks on your brain and can make you see ... which receive and transmit information coming into the eye. Ganglion cells are excited by light, and the intersections of ...

For a group of certain professionals, years of training have sharpened their vision so much, even optical illusions struggle to trick them ... and requires a real keen eye to spot.

Can you spot the hidden needle in 5 seconds? Sharpen your focus, test your visual IQ, and challenge your brain today!

Our today’s optical illusion puzzle is here to give your mind a good workout. Hidden among dozens of “1”, “2”, and “3” digits is a single “8” — and it’s testing the sharpness of your vision and the ...

Optical illusions are not merely a trick of the eye—they play tricks on how effectively your brain handles visual information. These puzzles play with contrast, depth, and symmetry, confusing ...

Optical illusions are mind-stimulating brain puzzles created to play tricks with your eyes and challenge your senses. Optical illusions deceive the eye, and you perceive things that are not even ...

You always see the best in ... designed to trick our vision and can be used as simple determiners of intelligence. So you might want to try The Sun's wide range of optical illusions created ...

Ready to stretch your brain and challenge your vision? This clever optical illusion is hiding two cats, and it’s fooling most ...

Optical illusions are a unique type of brain teasers, designed to test the limits of your perception and challenge your observation skills. Known for their ability to trick the eye and mind ...