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Ever since our ancestors mastered fire, humans have been able to warm themselves. Cooling down when it's hot has been more challenging.
The eccentric Roman emperor Elagabulus sent slaves to bring snow down from the mountains and pile it in his garden, where breezes would carry the cooler air inside.
[...] Needless to say, this was not a scalable solution. At least, not until the 19th century, when Boston entrepreneur Frederic Tudor amassed an unlikely fortune doing something similar.
He took blocks of ice from frozen New England lakes in winter, insulated them in sawdust, and shipped them to warmer climes for summer.
Until artificial ice-making took off, mild New England winters caused panic about an "ice famine".
Air conditioning as we know it began in 1902, but it had nothing to do with human comfort.
New York's Sackett & Wilhelms Lithographing and Printing Company became frustrated with varying humidity levels when trying to print in colour.
The same paper had to be printed four times in four colours, and if the humidity changed between print runs, the paper would slightly expand or contract. Even a millimetre's misalignment looked awful.
(Score: 2, Interesting) by Anonymous Coward on Tuesday June 06 2017, @10:32PM
Does this explain why some AC environments are tolerable and some just strip the water from your eyes, throat and lungs? There's an interesting scene in a Leonard Bernstein documentary when he's brought in all these famous European opera singers to sing West Side Story in New York and they all fucking hate it because the AC (and Bernstein's smoking, to be fair) destroys their voices within the first session. By the end of the video they're all chewing gum and sipping water non-stop and wearing scarfs to try and be able to perform.