This is neat, and reminds me of being a kid: “The squares marked A and B are the same shade of gray.” (by Edward H. Adelson) Look at the main page for an explanation, and more neat illusions.
This is neat, and reminds me of being a kid: “The squares marked A and B are the same shade of gray.” (by Edward H. Adelson) Look at the main page for an explanation, and more neat illusions.