Ivars Peterson

All Stories by Ivars Peterson

  1. Math

    Counting Franklin’s Magic Squares

    Benjamin Franklin's remarkable magic squares are just three of more than 1 million possibilities. For more math, visit the MathTrek blog.

  2. Math

    Folding Perfect Thirds

    Origami provides a hands-on way to explore mathematical concepts. For more math, visit the MathTrek blog.

  3. Math

    Dropping Lowest Scores

    Determining which scores to drop when computing a final grade that is to a student's greatest advantage can be tricky. For more math, visit the MathTrek blog.

  4. Math

    Fibonacci’s Missing Flowers

    The number of petals that a flower has isn't always a Fibonacci number. For more math, visit the MathTrek blog.

  5. Math

    A Straw and Two Glasses

    Using a straw to transfer water between two glasses raises intriguing mathematical questions. For more math, visit the MathTrek blog.

  6. Math

    Möbius at the Shopping Mall

    Möbius strips can show up in the unlikeliest places.

  7. Math

    Pentomino Sudoku

    A contest features a combination of sudoku and tiles called pentominoes.

  8. Math

    Quilting Pi

    The digits of pi inspire artistic quilts. For more math, visit the MathTrek blog.

  9. Math

    Constructing Difference Engines

    Antique calculators resurface as Lego or Meccano models. For more math, visit the MathTrek blog.

  10. Math

    Papercraft Polyhedra

    Constructing intricate polyhedra requires considerable skill and artistry. For more math, visit the MathTrek blog.

  11. Math

    Men, Women, Cars, and Crashes

    Why do men, whether as drivers or pedestrians, have a much higher rate of traffic fatalities than women do? For more math, visit the MathTrek blog.

  12. Math

    Shadows of the Fourth Dimension

    In a new book, artist Tony Robbin presents his vision of the fourth dimension in science, art, and modern thought. For more math, visit the MathTrek blog.