Uncategorized

  1. Tech

    Biotechnology may fortify U.S. Army

    A government-sponsored study says the U.S. Army may benefit from advances in biotechnology during the next 25 years, including sensors that identify soldiers by the food they ate, protein-based computers, near-instant vaccines, and automated wound treatments.

    By Peter Weiss
  2. Astronomy

    Bow-wowing them with radar

    The sharpest radar image ever of an asteroid shows features on 1999 KW4 as small as 7.5 meters—about the length of a stretch limo.

    By Ron Cowen

  3. From the July 25, 1931, issue

    98-TON BUTTERFLY VALVE, A SIMPLE DEVICE A good place for a photographer to take a picture, this penstock will be serving an even better purpose when it begins to carry water through the dam to turn the huge turbines of the Ruskin power plant, British Columbia.