Notebook

  1. From the February 3, 1934, issue

    alt=”Click to view larger image”> SHORT-WAVE PHONE SYSTEM SERVES BRIDGE BUILDERS Curiously, radio is helping to build a bridge. Special short-wave transmitting and receiving sets make possible communication among groups of contractors scattered on land and water along the eight-and-one-quarter-mile route of work on the San Francisco-Oakland bridge. These men on the job also talk […]

    By Science News
  2. Astronomy

    A Habitable Planet

    NASA offers kids a chance to search for and build a fictional planet on which people could live. This multimedia, interactive Web site guides students through a sequence of role-playing steps, starting with observations of the effects that changes to Earth can have and what’s needed for survival.