Column

  1. Math

    Computing Photographic Forgeries

    Scientists are using mathematical tools to sniff out faked photographs.

    By Julie Rehmeyer
  2. Math

    Computing Photographic Forgeries

    Scientists are using mathematical tools to sniff out faked photographs.

    By Julie Rehmeyer
  3. Math

    Cutting a Pie Is No Piece of Cake

    Mathematicians find that slicing a pie into fair pieces is harder than divvying up a sheet cake. The problem is that pie cuts are radial, not parallel.

    By Julie Rehmeyer
  4. Math

    Ancient Islamic Penrose Tiles

    Medieval Islamic artisans developed a process for creating elaborate, nonrepeating patterns now associated with Penrose tiles.

    By Julie Rehmeyer
  5. Math

    Ancient Islamic Penrose Tiles

    Medieval Islamic artisans developed a process for creating elaborate, nonrepeating patterns now associated with Penrose tiles.