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TIL The first air conditioner was created not for cooling a room but to prevent humidity causing swelling pages and blurry prints in a printing press (www.smithsonianmag.com)

At the turn of the 20th century, humidity threatened the reputation of Brooklyn’s Sackett-Wilhelms Lithographic and Publishing Company’s high-quality color printing. After two summers of extreme heat disrupted business and caused swelling pages and blurry prints, the printing company found that a nascent cooling industry...

TIL The name "flashlight" came from the first lights that could only briefly illuminate because the batteries couldn’t hold a charge for long periods of time (blog.bulbhead.com)

David Misell, an English inventor, invented the first flashlight and patented it in 1899. It used three D batteries in a tube that was used as the handle of the device. The batteries supplied enough power to create light through an incandescent bulb....

TIL about the 1957 Kyshtym disaster in the USSR, where improperly stored nuclear waste exploded and created the third-worst peacetime nuclear incident in history. It was kept secret until 1976. (en.wikipedia.org)

To make it worse, before they decided to store the nuclear waste, they’d just dump it into the river, which was used as drinking water by thousands of people. Again, kept secret.

TIL about the "'New York Times problem'—the dilemma of indicting Assange for the very same kind of investigative journalism that mainstream media engages frequently" (www.newsweek.com)

Two of us, Ellsberg and Noam Chomsky, testified for Assange at his extradition hearing last year. In Ellsberg’s words then, the WikiLeaks publications that Assange is being charged for are “amongst the most important truthful revelations of hidden criminal state behavior that have been made public in U.S. history.” The...

TIL "The moderate position on Ukraine is to hold both Russia and the US empire responsible for their respective roles in starting and continuing this war. That’s the middle ground." (caitlinjohnstone.com)

The mainstream position in the west is that Putin invaded Ukraine solely because he is evil and hates freedom, and that Moscow is 100% responsible for this conflict in every way while the US is just an innocent little flower who just wants to protect freedom and democracy. When you actually spell out what the mainstream position...

TIL CJK compatibilty ideographs (often used to put a lot of symbols in fonts such as 着 which displays as the Wii logo on my machine) were originally allocated to support older standards for storing Chinese characters and derivatives in code points (en.wikipedia.org)

Sorry for the confusing title. Basically before Unicode, a bunch of different standards for storing Chinese characters (also used in Korean and Japanese which also have some of their own derivatives) emerged. When Unicode sought to unify every standard they of course had to add compatibility for older standards so for all the...

TIL the military cannot enlist a recruit with an IQ measured lower than 80 and is required to keep enlisted individuals with an IQ of 81-92 to less than 20% of the armed forces in active duty. (www.law.cornell.edu)

(a)The number of persons originally enlisted or inducted to serve on active duty (other than active duty for training) in any armed force during any fiscal year whose score on the Armed Forces Qualification Test is at or above the tenth percentile and below the thirty-first percentile may not exceed 20 percent of the total...

TIL that dragonflies live 80% of their life underwater as larvae. (byjus.com)

The Larva: It is interesting to note that even though we’ve seen dragonflies mostly flying around us during hot summer months, they spend most of their life underwater as a larva. They can live underwater for as long as two years, and this is considered to be the longest stage in the life cycle of a dragonfly....

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