3D Schröder Staircase Wins 2020 Illusion of the Year Contest

The 16th annual Best Illusion of the Year Contest, hosted by the Neural Correlate Society, crowned a 2020 first prize winner this week. Japanese mathematician Kokichi Sugihara’s 3D Schröder Staircase wowed judges with its ingenuity. The Schröder Staircase (aka Schröder’s Stairs) is typically done in 2D on paper with ink or pencil, but Sugihara deciphered a way to render the illusion in real life and …