Op Art, also known as optical art, is a type of art that features optical illusions ... is moving. Bridget Riley's Uneasy Centre features black and white circles painted with lines of varying ...

Optical illusion often leaves people confused and intrigued. The new trend on the internet asking people to “find the curved lines” is no different. Users on Twitter are sharing the posts in ...

The pattern and shape of the bricks is causing animation as you move ... illusion was based off his camera work, and one person suggested 'rolling shutter' - a method that records a frame line ...

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 ...