History of Innovation NPR's Chris Arnold reports on the whirlwind rate of technological innovation over the past several centuries. While historians often credit philosophical movements -- like the Renaissance or the Enlightenment -- with creating this climate of inventiveness, economists give another source: expanding markets. They ask if Thomas Edison would have bothered to create the light bulb if there wasn't anyone he could sell it to?

History of Innovation

History of Innovation

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NPR's Chris Arnold reports on the whirlwind rate of technological innovation over the past several centuries. While historians often credit philosophical movements — like the Renaissance or the Enlightenment — with creating this climate of inventiveness, economists give another source: expanding markets. They ask if Thomas Edison would have bothered to create the light bulb if there wasn't anyone he could sell it to?