Uncategorized

  1. Tech

    Sixth Sense

    A budding technology called electric field imaging may soon enable devices such as appliances, toys, and computers to detect the presence of people and respond to their motions.

    By Peter Weiss
  2. Humans

    From the June 9, 1934, issue

    Mexican archaeology, dry ice for shrinking metals, and choosing optimal flight paths for airplanes.

    By Science News
  3. Math

    Groups, Graphs, and Erdös Numbers

    Erdös numbers reveal the great extent of mathematical collaboration.

    By Ivars Peterson

  4. 19431

    Horvath and Toffel’s comparison of the environmental impacts of the paper versus the electronic editions of the New York Times is a bit misleading. A personal digital assistant isn’t good for advertising or newspaper browsing.