Optical illusions are images that play tricks on our eyes and brain. They are designed in a way that makes us see things differently from what actually exists. Sometimes, an illusion hides a shape, ...

Optical illusions are designed in such a manner that they serve more than an entertainment source. These puzzles are also studied in human psychology as they reveal how the human brain works. It ...

Exactly how many triangles can you count in this fun triangle puzzle?