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.

Cooling - Modern Day
12 / 12

More homes got air conditioning in the 1950s, but it would still be a little while before the trend really took off. Ten percent of homes had air conditioning in 1965, but that number jumped to 86 percent by 2007, according to Slate.

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