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๐ Category:Obsolete occupations
This is a category of jobs that have been rendered obsolete due to advances in technology and/or social conditions.
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- "Category:Obsolete occupations" | 2019-12-11 | 300 Upvotes 247 Comments
๐ List of oldest continuously inhabited cities
This is a list of present-day cities by the time period over which they have been continuously inhabited as a city. The age claims listed are generally disputed. Differences in opinion can result from different definitions of "city" as well as "continuous habitation" and historical evidence is often disputed. Caveats (and sources) to the validity of each claim are discussed in the "Notes" column.
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- "List of oldest continuously inhabited cities" | 2020-04-22 | 323 Upvotes 214 Comments
๐ Boustrophedon
Boustrophedon (Ancient Greek: ฮฒฮฟฯ ฯฯฯฮฟฯฮทฮดฯฮฝ, boustrophฤdรณn "ox-turning" from ฮฒฮฟแฟฆฯ, bous, "ox", ฯฯฯฮฟฯฮฎ, strophฤ, "turn" and the adverbial suffix -ฮดฯฮฝ, "like, in the manner of"; that is, turning like oxen in ploughing) is a type of bi-directional text, mostly seen in ancient manuscripts and other inscriptions. Alternate lines of writing are flipped, or reversed, with reversed letters. Rather than going left-to-right as in modern European languages, or right-to-left as in Arabic and Hebrew, alternate lines in boustrophedon must be read in opposite directions. Also, the individual characters are reversed, or mirrored. It was a common way of writing in stone in Ancient Greece.
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- "Boustrophedon" | 2023-04-22 | 60 Upvotes 23 Comments
- "Boustrophedon" | 2017-10-24 | 82 Upvotes 59 Comments
- "Boustrophedon Order" | 2010-07-26 | 24 Upvotes 12 Comments
๐ Ship's cat
The ship's cat has been a common feature on many trading, exploration, and naval ships dating to ancient times. Cats have been carried on ships for many reasons, most importantly to control rodents. Vermin aboard a ship can cause damage to ropes, woodwork, and more recently, electrical wiring. Also, rodents threaten ships' stores, devour crews' foodstuff, and could cause economic damage to ships' cargo such as grain. They are also a source of disease, which is dangerous for ships that are at sea for long periods of time. Rat fleas are carriers of plague, and rats on ships were believed to be a primary vector of the Black Death.
Cats naturally attack and kill rodents, and their natural ability to adapt to new surroundings made them suitable for service on a ship. In addition, they offer companionship and a sense of home, security and camaraderie to sailors away from home.
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- "Ship's cat" | 2014-03-03 | 277 Upvotes 72 Comments
๐ Non-transitive dice
A set of dice is nontransitive if it contains three dice, A, B, and C, with the property that A rolls higher than B more than half the time, and B rolls higher than C more than half the time, but it is not true that A rolls higher than C more than half the time. In other words, a set of dice is nontransitive if the binary relation โ X rolls a higher number than Y more than half the time โ on its elements is not transitive.
It is possible to find sets of dice with the even stronger property that, for each die in the set, there is another die that rolls a higher number than it more than half the time. Using such a set of dice, one can invent games which are biased in ways that people unused to nontransitive dice might not expect (see Example).
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- "Nontransitive Dice" | 2020-10-17 | 11 Upvotes 1 Comments
- "Nontransitive dice" | 2017-04-29 | 194 Upvotes 42 Comments
๐ IKEA Effect
The IKEA effect is a cognitive bias in which consumers place a disproportionately high value on products they partially created. The name derives from the name of Swedish manufacturer and furniture retailer IKEA, which sells many furniture products that require assembly.
The IKEA effect has been described as follows: "The price is low for IKEA products largely because they take labor out of the equation. With a Phillips screwdriver, an Allen wrench and rubber mallet, IKEA customers can very literally build an entire home's worth of furniture on a very tight budget. But what happens when they do?" They "fall in love with their IKEA creations. Even when there are parts missing and the items are incorrectly built, customers in the IKEA study still loved the fruits of their labors."
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- "IKEA Effect" | 2021-01-18 | 13 Upvotes 1 Comments
- "IKEA Effect" | 2017-12-30 | 256 Upvotes 118 Comments
๐ John Titor
John Titor (May 5, 6 or 7, 1998) is a name used on several bulletin boards during 2000 and 2001 by a poster claiming to be an American military time traveler from 2036. Titor made numerous vague and specific predictions regarding calamitous events in 2004 and beyond, including a nuclear war, none of which came true. Subsequent closer examination of Titor's assertions provoked widespread skepticism. Inconsistencies in his explanations, the uniform inaccuracy of his predictions, and a private investigator's findings all led to the general impression that the entire episode was an elaborate hoax. A 2009 investigation concluded that Titor was likely the creation of Larry Haber, a Florida entertainment lawyer, along with his brother Morey, a computer scientist.
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- "John Titor" | 2020-03-12 | 206 Upvotes 170 Comments
๐ Pig War
The Pig War was a confrontation in 1859 between the United States and United Kingdom over the BritishโU.S. border in the San Juan Islands, between Vancouver Island (present-day Canada) and the State of Washington. The Pig War, so called because it was triggered by the shooting of a pig, is also called the Pig Episode, the Pig and Potato War, the San Juan Boundary Dispute and the Northwestern Boundary Dispute. Aside from the death of one pig, this dispute was a bloodless conflict.
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- "Pig War (1859)" | 2022-10-20 | 25 Upvotes 11 Comments
- "Pig War" | 2019-10-03 | 84 Upvotes 28 Comments
- "Pig War (1859)" | 2017-12-25 | 22 Upvotes 6 Comments
๐ Antarctic English
Antarctic English is a variety of the English language spoken by people living on the continent of Antarctica and within the subantarctic islands.:โviiโ Spoken primarily by scientists and workers in the Antarctic tourism industry, it consists of various unique words and is spoken with a unique accent. During the 19th and 20th centuries, Antarctic English was influenced by Spanish-speaking South Americans and Northern European explorers who introduced new words that continue to be used today.
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- "Antarctic English" | 2024-02-28 | 369 Upvotes 158 Comments
๐ Nine-nine-six (996) Working Hour System
The 996 working hour system (Chinese: 996ๅทฅไฝๅถ) is a work schedule commonly practiced by some companies in the People's Republic of China. It derives its name from its requirement that employees work from 9:00 am to 9:00 pm, 6 days per week; i.e. 72 hours per week. A number of Chinese internet companies have adopted this system as their official work schedule. Critics argue that the 996 working hour system is a flagrant violation of Chinese law.
In March 2019 an "anti-996" protest was launched via GitHub.
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- "996 working hour system" | 2024-04-10 | 54 Upvotes 72 Comments
- "China's 996 working hour system" | 2020-06-12 | 31 Upvotes 4 Comments