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  1. Humans

    From the September 9, 1933, issue

    FLEET AS MERCURY The laboratory has yielded a photograph of striking beauty showing Dr. Joseph Slepian and Leon R. Ludwig, Westinghouse engineers, examining a product of their research. They have developed a new method of controlling mercury arc devices which is said to be more positive and many times faster in action than methods now […]

    By Science News
  2. Math

    Pennant Races and Magic Numbers

    It’s getting close to the end of the regular baseball season. Fanatic fans track not only which team is in first place or in position for a wild-card berth in the playoffs but also the number of games a team must win to avoid elimination.