At first glance, this image looks simple. A clean white plate sits on a neutral background, and inside it are four identical button-like shapes arranged in a balanced pattern. Each one appears to be the same size, evenly spaced, and easy to count. The question at the top seems almost too straightforward: how many circles are there?
Most people answer quickly. They notice the four larger shapes and assume the answer must be four. Others take a second look and realize each […] CONTINUE READING >>>
