There is no actual triangle yet your brain is interpreting the image as a white triangle on top of three black circles.
the image to eliminate one of the pac-men. What happens to the triangle?
What do you see--a triangle or a trio of pac-men?
There is no actual triangle yet your brain is interpreting the image as a white triangle on top of three black circles.
the image to eliminate one of the pac-men. What happens to the triangle?