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At Look At … Inventions and Discoveries
How many sheets of paper was the Gutenberg printing press capable of printing in a day? What were the first words spoken over a telephone? Who were the first people to use magnetic compasses for navigation? How did Copernicus change the way we look at Earth’s place among the planets? Inventions and Discoveries traces the history and development of objects and ideas that have changed how we live, from the discovery of fire to the development of the Internet. With Inventions and Discoveries, kids will learn about the milestones in such areas as communication, transportation, and astronomy.
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