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 ...

An Optical Illusion is a type of puzzle, which is often required different thinking and logical skill to solve these types of ...

An Optical Illusion is a type of visual illusion puzzle which is used for fun and challenge. These types of illusions often ...

Artists and scientists have been creating optical illusions for centuries. Here are 35 mind-bending examples that prove you can't always trust what your eyes are telling you. When you purchase through ...

Test your observation skills with this nature-themed optical illusion challenge. Spot all hidden tortoises camouflaged in ...

The Best Illusion of the Year contest offers researchers, and participants, an opportunity to explore the gaps and limits of human perception. By Katrina Miller Take a look at this video of a waiting ...

Scarlett Howard receives funding from the Australian Research Council, Monash University, Australian Academy of Sciences, and the Hermon Slade Foundation. She is affiliated with Triple R. Adrian Dyer ...