March 2004
The Birth of Cool
Willis Carrier, who invented modern air conditioning more than 100 years ago, is the father of cool.
By Lisa Scanlon
While standing on a foggy railroad platform in Pittsburgh in late 1902, Willis Carrier had a revelation that would lead to the invention of the modern air conditioner. Carrier's device evolved from candy-factory chiller to the heat- and humidity-busting personal cooling units now found in more than 80 percent of United States homes.
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Massachusetts Institute of Technology