The history of keeping cool

POSTED: 09:24 AM PDT Jul 18, 2012 

Look back at the history of fans, air conditioners and other ways humans have tried to stay cool through the centuries.

Cooling - First Air Conditioner
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Willis Carrier built the first modern air conditioner in 1902 to keep humidity down (and keep pages from wrinkling) in the New York printing plant where he worked, according to articles in Slate and The Atlantic. It accomplished its goal by sending air through coils cooled by water.

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