How many boxes of Quaker Oats can you count? Hint: Don’t just count the cover pictures.
Artist Liu Bolin is hiding among these bottles and cans. Can you find him? Look closely as he has painted himself to blend seamlessly into his surroundings.
Depending on how you look at this image, you will either see a clown looking to the left or a sleeping man with a night cap looking to the right. This ambiguous illusion was drawn by Humberto Machado.
This figure is made up of green and white squares. All of the lines are straight but the black and white objects in the corners give the impression that the lines are wavy or distorted.
Rob Gonsalves is the master of magical transitional paintings such as the one above. In this painting, kites in the air morph into a ship at sea.
Felice Varini, a Swiss artist, is known for his large-scale anamorphic installations on buildings, walls and streets. In this photograph, he created a red shape on the side of a building that can be seen from one specific angle.
Which Line is Longer Optical Illusion
Have a look at the two lines above labelled AB and CD. Which line appears to be longer? Perhaps you should measure them with something to find out – you may be surprised!