The technology behind the creation of artificial ice, pioneered by a physician from South Carolina in the mid-nineteenth century, spawned new concepts of personal comfort and health in the second quarter of the twentieth century. Artificially-chilled air, a refreshing luxury that debuted after the jazzy era of Prohibition, rendered Charleston’s sultry summers more bearable and encouraged the influx of tourists and new residents. In the next episode of Charleston Time Machine, we’ll crank up the air conditioning and explore the chilling details of Charleston’s third “Ice Age.”