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How We Got to Now: Six Innovations That Made the Modern World, by Steven Johnson

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A day was no longer the time it took the earth to complete one rotation. A day became 86,400 atomic seconds, ticked off on 270 synchronized atomic clocks around the world.
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How We Got to Now: Six Innovations That Made the Modern World
How We Got to Now: Six Innovations That Made the Modern World
by Steven Johnson
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