Uncategorized

  1. Animals

    Oops. Woodpecker raps were actually gunshots

    The knock-knock noises recorded last winter that raised hopes for rediscovering the long-lost ivory-billed woodpecker in Louisiana turn out to have been gunshots instead of bird noises.

    By Susan Milius
  2. Math

    Algebra, Philosophy, and Fun

    I don’t often encounter the words “philosophy” and “fun” right next to the term “algebra.” Nowadays, these words don’t seem to fit together comfortably. However, the three terms do appear in the title of an engaging little book called Philosophy and Fun of Algebra, written by Mary Everest Boole (1832–1916) and published in 1909. I […]

    By Ivars Peterson
  3. Tech

    Making a Little Impression: New chip-making method may mold the industry

    A simple mechanical means of embossing silicon may offer an alternative to conventional chip-making methods.