This is so wonderfull illusion! It was sent to me by one of our fans called Mike. Believe it or not, the “white” letters are actually darker than the “black” letters. This effect becomes clear when the surroundings are removed. You can jump inside this article to see the proof! This is what Mike wrote: “Found this magazine, Scientific American Mind, which had a good article about visual perception. Lots more in the June/July issue.”
