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Cover image for book The Britannica Guide to Theories and Ideas That Changed the Modern World

The Britannica Guide to Theories and Ideas That Changed the Modern World

By:Britannica Educational Publishing
Publisher:Encyclopaedia Britannica, Inc.
Print ISBN:9781615300631
eText ISBN:9781615300631
Edition:1
Copyright:2009
Format:Page Fidelity

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There was a time when people assumed that the world was flat. Once an alternate theory was proposed, however, that conceit was challenged and, eventually, disproved. In short, theories and ideas can be potent agents of change—none more so than those that are extensively detailed in this book.

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