The sculptures are the work of Thomas Deininger, who says he makes things "to observe and process the curious, perverse and ...

This mystical moving optical illusion was created by artist Akiyoshi ... change colour as it moves from left to right on a gradient background. But it doesn’t. The circle actually stays the ...

They say seeing is believing but can you really trust your eyes? From eye-boggling images to logic-defying illusions that play with the subconscious mind, we’ve gathered five famous optical ...

And this is key to the optical illusion. "If you are moving as you film, you will see the airplane's position relative to the background," says Steffen. "If the motion of the video camera keeps ...