When air conditioning aboriginal appeared—a technology initially developed for use in bolt factories—it was feared by abounding as unhealthy. So how did it accomplish it into around every home in the country?
In fact, attrition to the technology came from the Open Air Movement—a above trend in cerebration in the aboriginal 20th century. Supporters believed calm air to be unhealthy, abounding with CO2 that could accident our bodies, and so acerb against air conditioning, too.
But there was a forward-thinking accumulation that accomplished that air conditioning could be advantageous for people: cinema owners. As cine theaters boring adopted the technology during the 1930s and 40s, it became accepted with assemblage and, acumen they weren't dying, they absitively to use it at home, too. Now, 80 years later, we couldn't brainstorm activity after AC. Watch the video to acquisition out added about the story. [Engineering Guy]
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