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  1. From the February 7, 1931, issue

    LITTLE WATERWHEEL DOES BIG POWER JOB Fortunate are those countries that have small rivers falling rapidly, rather than huge, slow-moving streams. Electricity can be generated for these nations easily and cheaply. To make electricity for Korea from the 2,000-foot fall of a mountain stream will be the life work of the Voith impulse water wheel […]

    By Science News

  2. Liquid Crystal

    Brilliantly colored images of liquid crystals highlight the Web site of Kent State University’s Liquid Crystal Institute. The site also features research overviews, news and conference links, and other resources devoted to the study and application of liquid crystals. Go to: http://www.lci.kent.edu/

    By Science News

  3. From the January 31, 1931, issue

    ROBBER FLY MASQUERADES IN BUMBLEBEE’S CLOTHING The villainous-looking hexapod that glares at you from the cover of this week’s SCIENCE NEWS LETTER is as bad a citizen as he looks.