Look twice -- and it has been photoshop tested -- roll over the image and see
http://129.164.179.22/apod/ap121007.html
Color Illusion can you see it?
Look twice -- and it has been photoshop tested -- roll over the image and see
http://129.164.179.22/apod/ap121007.html
That's trippy! I didn't believe it at first and thought the B square was slowly being lightened to match A square. After covering everything but the B square it doesn't change color. Makes you wonder how much of science is true or false depending on our flawed human perspective of it!