Uncategorized

  1. Math

    Dimensions of Math

    A colorful, interactive poster serves as a portal to the realm of dimension, with destinations ranging from Flatland to hyperspace. Meet authors Madeleine L’Engle (A Wrinkle in Time), E.A. Abbott (Flatland), and Michio Kaku (Hyperspace). Ponder Penrose tilings, gravitational lenses, and tic-tac-toe on a torus. Play with geometric shapes. This fascinating Web site was originally […]

    By Science News
  2. Physics

    Bunches of atoms madly morph

    While investigating the instability of tiny clusters of atoms, scientists observe ultrasmall salt grains switching shapes at a stupendous rate.

    By Peter Weiss
  3. Astronomy

    Ordinary matter: Lost and found

    Astronomers believe they have finally found the whereabouts of most of the ordinary matter in the universe.