There are countless types of optical illusions, from the cognitive to the physiological, testing our minds in ways that appear to defy logic. The latest example bewitching the internet is this simple ...

Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and took the form of cave sculptings. Nowadays they are found all over the place – on screens, in books ...

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