How Many Holes Do You See in This Skirt? The Viral Visual Puzzle That Has Everyone Counting Twice

twice — once for the front layer and once for the back — because both sides of the material have been affected.

None of these interpretations is wrong. They are simply different ways of looking at the same problem.

That is what turns this image from a simple counting task into a window into how different minds process information. Two people can look continue reading …