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Icons that deliver data and concepts last modified:2/19/13

icons, but not data-packed: atom; sine wave; double helix, galactic pillars, earth from space, Newton's apple / prism & spectrum, E=MC2; COpernicus' heliocentric universe; Kepler's ellipses; Mendel pea charts; benzene ring

icons that deliver ways to generate data: quadratic formula; Vitruvian Man; Pythagoran triangle with squares built on its sides; Kepler's geometric solids = solar system; 1x1 square with √2; s = 1/2 at2

data-packed landmark graphics: Chimborazo; London wells & cholera; Hertzsprung-Russell diagram; Periodic Table; Great Indian Triangulation Survey; Lyell; template for Greek columns; timelines of history;