Air conditioning helped shape the...

Air conditioning helped shape the 20th century: "A hundred years ago Wednesday, this young man -- just a year out of Cornell University, paid $10 a week by Buffalo Forge Co. -- invented air conditioning. The idea of cooling air was nothing new. Roman emperors brought snow down from the mountains to cool their gardens; in the 19th century, Dr. John Gorrie invented a method to keep malaria patients comfortable by blowing air over buckets of ice suspended from the ceiling."