Column

  1. Math

    Thirteen Spades

    Poor shuffling can distort play in the game of bridge.

    By Robert Potter
  2. Math

    Going with the Crowd

    Choosing a restaurant can pack them in.

    By Ivars Peterson
  3. Math

    Artful Routes

    Finding the shortest routes linking cities can also produce intricate continuous-line portraits.

    By Ivars Peterson
  4. Math

    Sphere Worlds

    Painting on spheres offers a novel perspective on the world.

    By Ivars Peterson
  5. Math

    Pennies in a Tray

    Packing pennies in circular trays can lead to intriguing mathematical complexities.

    By Ivars Peterson
  6. Math

    Cruise Control and Traffic Flow

    Adaptive cruise control can help smooth out traffic flow.