50 Years Ago

  1. From the Archive

    Read the full article (PDF) February 13, 1937 | Vol. 31 | No. 827 Robot Mathematician Solves Nine Simultaneous Equations A ONE-TON machine that in a single action can solve nine simultaneous equations with nine unknowns so complicated in form they might well require days of laborious computation by trained mathematicians has been developed at […]

    By Science News

  2. Science Past from the issue of May 6, 1961

    PATENTS OF THE WEEK — “Inventions for the home of tomorrow” were the theme of several inventions just patented. Two improved methods for rocking the cradle electrically have been invented. The main advantage of the “motor driven cradle” … is that it can be made inexpensively.