Science Proof Without Words: The Circle by DDF - May 29, 2012 0 Source Tags: arbitrage, area, Atomic, black hole, boson, Canada, cat, circle, circumference, dark, dimension, distance, earth, Economics, einstein, electromagnetism, electron, energy, force, fourth, galaxy, gauge, General, gravity, henry, higgs, infinity, Institute, LHC, light, minute, minutephysics, money, moon, neutrino, nuclear, of, Perimeter, photon, physics, pi, proof, radius, reich, relativity, rocket, Schrodinger, science, special, squared, standard model, string, strong, sun, theory, tides, Travel, universe, visual, weak, without, words, xkcd
