What Is Air Conditioning and Why Not Already?


With the days getting a bit warmer than they were two weeks ago it’s worth spending 819 words talking about air conditioning. Air conditioning is — please hold your questions until the essay has come to a full and complete stop — where some air is conditioned so that it’s less like air and more like conditioned air. It’s probably safe to toss in whatever your questions were now.

Why Should We Condition Air? Many reasons. The air that you get all around you is free and as such, that’s great. But it’ll often be too hot, or too cold, or too clammy, or be filled with too many feathers from an exploded pillow, or some other problem, such as that it’s too dry. And it’s never any of these at the right time. For example, it would be great if just before your history midterm the air were filled with sparkly confetti and party favors. At the least it would distract from thinking how you have no opinions about the Reform Act of 1832 except that it’s probably good they got that done before 1833 started or it would have needed a snappier name.

How Can One Condition Air? This depends what you want conditioned. If you want the air hotter, for example, all you need do is gather enough lumber. Trying to get it into the fireplace wil make you as warm as you want, as you determine by the sixth time you check every room that the house hasn’t got a fireplace and you’re now quite mad about that. Fuming mad, as they say.

But cooling down has always been a different problem. In ancient days the Romans noticed that the same room might be perfectly chilly in the winter and too hot in the summer. Their ingenious engineering minds started a system in which each winter they’d seal one room up tight in the middle of winter and leave it that way until the middle of summer. Only then would they open it up to enjoy that stored winter air. This never worked, but after all the trouble they’d gone to sealing the room up and then opening it again, they weren’t going to stop. They kept at it year after year, insisting to themselves that they did feel a lot cooler and saying maybe next year they would try this with three or even eight rooms. Eventually the Roman Empire fell, but I wouldn’t say the air conditioning was the only reason. There was also their calendar.

What Scientific Breakthrough Made Air Conditioning Possible, And What Important Spinoff Came From It? The most important breakthrough was the discovery of Charles’s Law by Boyle, unless it was Boyles’s Law by Charles. It was Towneley-Powers’s Law, and was discovered by Mariotte. However it turned out the discovery was simplicity itself: if you spray a can of antiperspirant the spray will be cold, and the can will be cold, and your hand will be cold. The implications were obvious. By the end of the century scientists all over Europe were trying to invent a spray can of antiperspirant.

The antiperspirant part and the spray part would be challenges, sure. But the practice was an immediate success, a century later. And it had spinoff benefits. The cans proved to be great ways to can food, for example. This allowed people to take the peaches that they weren’t going to be able to eat before the end of summer and turn them into a fine aerosolized powder that they’d spray on their armpits or, if their aim was off, the bathroom door. This solved some problem. And considering that tells you a lot about what life was like back then.

How Does This Affect The Movies? Well, by the 1920s all the major problems of air conditioning had been solved. Soon industrial-grade air conditioning was popping up all over, like it or not. Cities began building movie theaters around the air conditioning so that at least it would go to some purpose. The air conditioning would stay on full-blast all year, so that wintertime movie patrons had to dress in parkas and carry shovels to help the usher scoop out a trail through the snow. Often patrons would be lost in snowbanks and not be discovered for days or weeks until they emerged in the concessions stand. Over one in five ushers didn’t survive the first year of work, which is why we now regard it as tasteless to expect ushers to ush at the movies. We may ask them to ush in other non-movie contexts and then they can show us their ush stuff.

Is Air Conditioning A Form Of Skinnerian Behaviorist Stimulus-Response Training? No. You are thinking of air hypnosis, which has been discredited as a scientific method but can be a lot of fun as a party trick. It’s a common mistake and you need feel no shame for making it. 818, 819.

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Author: Joseph Nebus

I was born 198 years to the day after Johnny Appleseed. The differences between us do not end there.

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