A magician reveals his visual tricks ...

Look closely at the repeated 917 numbers and identify the two odd ones before 19 seconds run out. This optical illusion is designed to test focus, pattern recognition, and mental agility.

Optical illusion puzzles have been there for centuries and these are fun challenges that are designed to play tricks on our eyes and brains. Optical illusions work on a simple principle where it ...

Optical illusion puzzles are more than just fun internet distractions. These puzzles have been a part of daily lives since ...

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. These puzzles test our observation ...

Martin Doherty received funding from the British Academy/Leverhulme Trust who partially supported this work. He continues to receive funding from the Leverhulme Trust. Radoslaw Wincza does not work ...

The magical art of Olivier Redon ...