‎"Behind every stack of books there is a flood of knowledge."

How inventions change history (for better and for worse) – Kenneth C. Davis



About This Video

Invented in 1793, the cotton gin changed history for good and bad. By allowing one field hand to do the work of 10, it powered a new industry that brought wealth and power to the American South — but, tragically, it also multiplied and prolonged the use of slave labor. Kenneth C. Davis lauds innovation, while warning us of unintended consequences.

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This entry was posted on May 10, 2013 by in TED Ideas Worth Spreading.
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