With temps on the rise nationwide, look back at the ways humans have tried to stay cool through the centuries.
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.
Seoul National University/Handout/Reuters
Lucy Richardson/ Reuters
iStock / gbh007
National Portrait Gallery, London
iStock / mashabuba
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