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    Why pi? / Johnny Ball.

    • Title:Why pi? / Johnny Ball.
    •    
    • Author/Creator:Ball, Johnny.
    • Published/Created:New York, N.Y. : DK Pub., 2009.
    • Holdings

       
    • Library of Congress Subjects:Measurement--Juvenile literature.
      Mathematics--Juvenile literature.
      Pi--Juvenile literature.
      Measurement.
      Mathematics.
    • Genre/Form:Literature.
    • Description:93 pages : color illustrations, color maps ; 29 cm.
    • Summary:Focusing on how people from ancient Egyptians to modern scientists have used numbers to measure things through the ages, "Why Pi?" makes math interesting and is filled with games, puzzles, brainteasers, and fun facts.
    • Notes:"How math applies to everyday life"--Cover.
      Includes index.
    • ISBN:9780756651640
      0756651646
    • Contents:The ANCIENT world
      The daily planet
      Moons and months
      Seasons in the sun
      The right angles
      Measuring the land
      It's all Greek
      A round world
      Measuring the world
      Why pi?
      Building Rome
      The art of building aqueducts
      Why measure any body?
      Night and day
      Make a sundial / Make a star clock
      Weighing up
      The age of DISCOVERY?
      What goes around what?
      Galileo the great
      The gravity of the situation
      Where on Earth?
      All at sea
      Longitude
      Mapping the world
      MODERN measuring
      Hot and cold
      Measuring energy
      Electricity
      Light fantastic
      Speed of light
      Under pressure
      Can you hear me?
      The sound of music
      Modern times
      Disaster!
      Very big
      Very small
      Weird and wonderful
      The metric system
      Answers/Index/Credits.
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