Of course, the part of the video that shows the pencil moving underneath the cube is down to clever editing (no-one's drawing ...

Take this optical illusion challenge to test your IQ, attention to detail, and observational prowess. Only 5 seconds to solve ...

Our brains are wired to make quick assumptions and draw conclusions, but optical illusions force us to question those assumptions, creating a sense of wonder and excitement. In this digital age ...

By moving the plastic across the top of a picture, you only see one in four lines at one time, which then creates the illusion of movement. Produced by Claudia Romeo More from UK This artist uses ...

Dr Chris and Dr Xand teach you how to trick your eyes with an optical illusion that's more than it ... Step 2: Use the bowl and a pen to draw two circles of card. Step 3: Cut the circles out ...

Optical Illusion: We can't get enough of optical ... If you belong to the latter category, here's the solution for you. The drawing may give you the impression that there's no angry face at ...

While some users claim to have spotted the cat in seconds, others are still staring at the image minutes (even hours) later ...