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

The number 88 is hiding in plain sight among the 89’s in the picture. Readers with HD vision only can spot the number 88 in 5 seconds. Can you? Try now!

Optical illusions are mind-stimulating brain puzzles created to play tricks with your eyes and challenge your senses. Optical ...

Optical Illusion is a fun and interesting game which tricks your mind and helps in sharpening your brain and can be used as a ...

Optical illusions have long intrigued humans by misleading our vision system into believing something that doesn't exist or ...

In today’s optical illusion challenge, we present a tricky brain teaser that only 1% of people can solve! Hidden among a sea of numbers is one odd number—5, can you spot it? This illusion tests your ...

A reanalysis of a 1919 study suggests that a separate illusion, the "horizon effect," played a bigger role in warping visual ...

Nostalgic Dolphin is a studio founded by Igor Petrovic and specialising in branding, typography and UI/UX design. It's made a blog post presenting 7 optical illusions that every graphic designer ...

We selected a few optical illusions to test your perception of reality. Watch the video above and see if you can spot the different illusions within each image. Produced by Robert Libetti Follow ...

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 ...

This can be achieved using optical and processing tricks to increase the numerical aperture of the projection lens in the system, or by reducing the wavelength of the light used. Since the 1980s ...