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 - Aquaducts
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If you had enough money in ancient Rome, you could cool your home with water pumped from aqueducts into pipes circulating through the walls of your home, according to history.com.

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