For Halloween, some makeup artists create optical illusion designs that warrant a double take. A popular method is using body paint to create the effect of negative space — making it appear that body ...

While new optical illusions go viral all the time, here are some of the most famous illusions that have kept us scratching our heads for years.

Before jumping on in we have one question on our minds: what is an optical illusion? Optical illusions are visuals that tend to be deceptive to the eye and brain. This is based on numerous factors ...

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There are lots of visual illusions: an old woman who turns into a young girl, a drawing that’s either a duck or a rabbit depending on how you look at it, and, need I mention the blue and black, or ...

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 ...