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

Some visual scientists think this is due to fixation jitter: eye movements that give the illusion that objects near what you’re focusing on are moving. Which of the two circles in the centre is ...

Op Art, also known as optical art, is a type of art that features optical illusions. The way that lines ... The viewer's eyes constantly move over the images and this creates feelings that ...

Optical illusions, like grids with hidden odd letters, challenge the brain and enhance cognitive skills. By carefully examining the grid, focusing on ...

They include the “Following Eyes” wall — an optical illusion in which hollow concave eyes look normal until you start moving, and then they appear to be following you. While this ...