Silence like a cancer grows “Fools,” said I, “You do not know Silence like a cancer grows Hear my words that I might teach you Take my arms that I might reach you” But my words like silent raindrops fell And echoed in the wells of silence Paul Simon & Art Garfunkel, The Sound Of Silence silencediseaserain
Truchet Tiles Truchet tiles are square tiles decorated with patterns that are not rotationally symmetric. When placed in a square tiling of the plane, they can form varied patterns, and the orientation of each tile can be used to visualize information associated with the tile's position within the tiling. Wikipedia en.wikipedia.org The Tiling Patterns of Sebastien Truchet and the Topology of Structural HierarchyWang tiles graphicsart