Optical Illusion by GEEK · August 18, 2011 Two tiles, seemingly different colors from one angle are actually the same color in different lighting. I don’t get it at all. What’s the trickery here? Is it the shadowplay? The lights? The tiles? I don’t know
0 The Cubli: a cube that can jump up, balance, and ‘walk’ January 2, 2014 by GEEK · Published January 2, 2014