The history of keeping cool

POSTED: 10:24 AM Jul 18 2012   UPDATED: 6:02 AM Jul 22 2014

This week marks the 112th anniversary of air conditioning, and aren't we all thankful! Look back at the ways humans have tried to stay cool through the centuries.

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This week marks the 112th anniversary of modern air conditioning, and aren't we all thankful! Look back at the history of fans, air conditioners and other ways humans have tried to stay cool through the centuries.



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