Look for a series of alternating black-and-white keys. The keyboard may appear disguised but will stand out with closer attention. It is difficult to solve this optical illusion because the ...

YOU could have 20/20 vision if you can find the doctor’s two patients in time. Players will only have seven seconds to figure ...

Optical illusions play tricks on your ... Look at the Kanizsa square above, and you'll probably see a large white square in the middle of the image. The square isn't really there, but your brain ...

Op Art, also known as optical art, is a type of art that features optical illusions ... Often these are produced in black and white or highly contrasting colours. The designs make it difficult ...