Interaction of Color A Book by Josef Albers yalebooks.yale.edu The deception of colorPractice before theory50 redsNot the what but the howScotopic seeing+11 More Irwin Fluorescents colorgraphicscommunicationteaching
You cannot consume what is not produced The only law of economics that I believe in is Hamming’s law: “You cannot consume what is not produced.” There is not another single reliable law in all of economics I know of which is not either a tautology in mathematics or else sometimes false. Richard Hamming, The Art of Doing Science and Engineering: Learning to Learn Scientific writing economics