Optical illusions play tricks on our visual perception by exploiting the way our brain processes patterns, colours, and ...

In our today's optical illusion, we challenge you to spot the hidden number in a mind-bending visual puzzle. This brain teaser is designed to trick your ... for the human eye to distinguish ...

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 ...