Column

  1. Math

    Binary Dice

    A set of specially marked, black-and-white dice suggests novel puzzles and games.

    By Ivars Peterson
  2. Math

    Numbers of No Escape

    Playful iterative processes can get you stuck in mathemagical black holes.

    By Ivars Peterson
  3. Math

    Tying Down a Random Walk

    Knotting a necktie poses mechanical and mathematical challenges.

    By Ivars Peterson
  4. Math

    A Mathemusical Potpourri

    Turning numbers and mathematical ideas into musical tones comes in many flavors.

    By Ivars Peterson
  5. Math

    Celestial Atomic Physics

    Insights from atomic physics lead to new routes for spacecraft.

    By Ivars Peterson
  6. Math

    Fermat’s Natural Spirals

    Using points to trace out spirals produces intriguing secondary patterns.