Mind-Bending Black Hole Illusion Tricks Our Visual Reflexes

When you look at an optical illusion, you may feel it scratching your brain in all the right places — or maybe all the wrong ones. Magic Eye artwork is something like a mind massage. But if you stare long enough at M.C. Escher’s never-ending Penrose stairs, it will disorient you into oblivion. Well, take … Read more