Uncategorized

  1. Earth

    Power Harvests

    Farmers are finding that commercial wind power is the best new commodity to come along in years, one that can offer substantial year-round income.

    By
  2. Humans

    Native American Geometry

    The circle serves as starting point for this exploration of Native American geometry. Developed by Chris Hardaker for schoolchildren in Arizona, the Web site vividly illustrates the geometric principles that underlie Native American designs. Go to: http://www.earthmeasure.com/

    By
  3. From the July 18, 1931, issue

    AIR VIBRATIONS IN ORGAN PIPES REVEALED BY PATTERN IN SMOKE Making smoke rings in organ pipes, to show up the little cyclones that whirl in them when obstacles are placed in the openings, is the curious mode of research adopted by a London physicist, Prof.