Hiding Images in Plain Sight An Article by Matt Ferraro mattferraro.dev I recently made a physical object that defies all intuition. It's a square of acrylic, smooth on both sides, totally transparent. A tiny window. But it has the magic property that if you shine a flashlight on it, it forms an image. caustics
Notes on the Synthesis of Form A Book by Christopher Alexander www.hup.harvard.edu I could do better than thatThis small internal quaverTheir wrongness is somehow more immediate mathdesignarchitectureformproblems