History of every day technology PBS 8pm

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In “How We Got to Now,” a six-part series starting on PBS tonight (check local listings), the author Steven Johnson explores the history of everyday aspects of our lives, including air-conditioning and sewage.

“It’s an exceedingly watchable history lesson,” writes Neil Genzlinger, our TV critic.

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Dirty water has killed more humans than all the wars of history combined, but in the last 150 years, a series of radical ideas, extraordinary innovations and unsung heroes have changed our world. Johnson plunges into a sewer to understand what made a maverick engineer decide to lift the city of Chicago with screw jacks in order to build America's first sewer system

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