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π Emperor Norton
Joshua Abraham Norton (February 4, 1818Β β January 8, 1880), known as Emperor Norton, was a citizen of San Francisco, California, who proclaimed himself "Norton I, Emperor of the United States" in 1859. In 1863 he took the secondary title of "Protector of Mexico" after Napoleon III invaded that country. Norton was born in England but spent most of his early life in South Africa. He sailed west after the death of his mother in 1846 and his father in 1848, arriving in San Francisco possibly in November 1849.
Norton initially made a living as a businessman, but he lost his fortune investing in Peruvian rice to sell in China due to a Chinese rice shortage. He bought rice at 12 cents per pound from Peruvian ships, but more Peruvian ships arrived in port which caused the price to drop sharply to 4 cents. He then lost a lawsuit in which he tried to void his rice contract, and his public prominence faded. He re-emerged in September 1859, laying claim to the position of Emperor of the United States. Though Norton received many favors from the city, merchants also capitalized on his notoriety by selling souvenirs bearing his name. "San Francisco lived off the Emperor Norton," Norton's biographer William Drury wrote, "not Norton off San Francisco."
Norton had no formal political power; nevertheless, he was treated deferentially in San Francisco, and currency issued in his name was honored in the establishments that he frequented. Some considered him insane or eccentric, but citizens of San Francisco celebrated his imperial presence and his proclamations, such as his order that the United States Congress be dissolved by force and his numerous decrees calling for the construction of a bridge and tunnel crossing San Francisco Bay to connect San Francisco with Oakland.
On January 8, 1880, Norton collapsed at the corner of California and Dupont (now Grant) streets and died before he could be given medical treatment. Upwards of 30,000 people lined the streets of San Francisco to pay him homage at his funeral. Norton has been immortalized as the basis of characters in the literature of Mark Twain, Robert Louis Stevenson, Christopher Moore, Morris and RenΓ© Goscinny, Selma LagerlΓΆf, and Neil Gaiman.
Discussed on
- "Emperor Norton" | 2019-08-09 | 92 Upvotes 26 Comments
- "Norton I, Emperor of the United States" | 2018-01-30 | 32 Upvotes 1 Comments
- "Emperor Norton" | 2015-06-08 | 89 Upvotes 14 Comments
π Pig War
The Pig War was a confrontation in 1859 between the United States and United Kingdom over the BritishβU.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.
Discussed on
- "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
π 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.:βviiβ 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.
Discussed on
- "Antarctic English" | 2024-02-28 | 369 Upvotes 158 Comments
π Nine-nine-six (996) Working Hour System
The 996 working hour system (Chinese: 996ε·₯δ½εΆ) 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.
Discussed on
- "996 working hour system" | 2024-04-10 | 54 Upvotes 72 Comments
- "China's 996 working hour system" | 2020-06-12 | 31 Upvotes 4 Comments
π Duffs Device
In the C programming language, Duff's device is a way of manually implementing loop unrolling by interleaving two syntactic constructs of C: the do-while loop and a switch statement. Its discovery is credited to Tom Duff in November 1983, when Duff was working for Lucasfilm and used it to speed up a real-time animation program.
Loop unrolling attempts to reduce the overhead of conditional branching needed to check whether a loop is done, by executing a batch of loop bodies per iteration. To handle cases where the number of iterations is not divisible by the unrolled-loop increments, a common technique among assembly language programmers is to jump directly into the middle of the unrolled loop body to handle the remainder. Duff implemented this technique in C by using C's case label fall-through feature to jump into the unrolled body.
Discussed on
- "Duff's Device" | 2020-05-25 | 145 Upvotes 59 Comments
- "Duffs Device" | 2016-10-21 | 19 Upvotes 4 Comments
- "Duff's device: do + switch fall-through = loop unrolling" | 2009-08-13 | 16 Upvotes 11 Comments
π Law of Jante
The Law of Jante (Danish: Janteloven) is a code of conduct known in Nordic countries that characterizes not conforming, doing things out of the ordinary, or being overtly personally ambitious as unworthy and inappropriate. The attitudes were first formulated in the form of the ten rules of Jante Law by the Dano-Norwegian author Aksel Sandemose in his satirical novel A Fugitive Crosses His Tracks (En flyktning krysser sitt spor, 1933), but the actual attitudes themselves are older. Sandemose portrays the fictional small Danish town Jante, which he modelled upon his native town NykΓΈbing Mors in the 1930s, where nobody was anonymous, which is typical of all small towns and communities.
Used generally in colloquial speech in the Nordic countries as a sociological term to denote a social attitude of disapproval towards expressions of individuality and personal success, it emphasizes adherence to the collective.
Discussed on
- "Law of Jante" | 2024-07-31 | 10 Upvotes 4 Comments
- "The Law of Jante" | 2023-11-19 | 12 Upvotes 1 Comments
- "Law of Jante" | 2023-05-23 | 13 Upvotes 2 Comments
- "Law of Jante" | 2017-09-30 | 87 Upvotes 61 Comments
π A Tesla Valve
A Tesla valve, called by Tesla a valvular conduit, is a fixed-geometry passive check valve. It allows a fluid to flow preferentially in one direction, without moving parts. The device is named after Nikola Tesla, who was awarded U.S. Patent 1,329,559 in 1920 for its invention. The patent application describes the invention as follows:
The interior of the conduit is provided with enlargements, recesses, projections, baffles, or buckets which, while offering virtually no resistance to the passage of the fluid in one direction, other than surface friction, constitute an almost impassable barrier to its flow in the opposite direction.
Tesla illustrates this with the drawing, showing one possible construction with a series of eleven flow-control segments, although any other number of such segments could be used as desired to increase or decrease the flow regulation effect.
One computational fluid dynamics simulation of Tesla valves with two and four segments showed that the flow resistance in the blocking (or reverse) direction was about 15 and 40 times greater, respectively, than the unimpeded (or forward) direction. This lends support to Tesla's patent assertion that in the valvular conduit in his diagram, a pressure ratio "approximating 200 can be obtained so that the device acts as a slightly leaking valve".
The Tesla valve is used in microfluidic applications and offers advantages such as scalability, durability, and ease of fabrication in a variety of materials.
Discussed on
- "Tesla Valve" | 2021-08-12 | 100 Upvotes 40 Comments
- "A Tesla Valve" | 2019-12-18 | 197 Upvotes 42 Comments
π Kasparov versus the World
Kasparov versus the World was a game of chess played in 1999 over the Internet. Conducting the white pieces, Garry Kasparov faced the rest of the world in consultation, with the World Team moves to be decided by plurality vote. Over 50,000 people from more than 75 countries participated in the game.
The host and promoter of the match was the MSN Gaming Zone, with sponsorship from First USA bank. After 62 moves played over four months, Kasparov won the game. Contrary to expectations, the game produced a mixture of deep tactical and strategic ideas, and although Kasparov won, he admitted that he had never expended as much effort on any other game in his life. He later said, "It is the greatest game in the history of chess. The sheer number of ideas, the complexity, and the contribution it has made to chess make it the most important game ever played."
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- "Kasparov versus the World" | 2018-04-28 | 256 Upvotes 60 Comments
- "In 1999, Kasparov played chess against 50000 people." | 2008-12-10 | 33 Upvotes 25 Comments
π Jonathan James
Jonathan Joseph James (December 12, 1983 β May 18, 2008) was an American hacker who was the first juvenile incarcerated for cybercrime in the United States. The South Florida native was 15 years old at the time of the first offense and 16 years old on the date of his sentencing. He died at his Pinecrest, Florida home on May 18, 2008, of a self-inflicted gunshot wound.
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- "Jonathan James" | 2013-01-13 | 366 Upvotes 118 Comments
π Hair Ice
Hair ice, also known as ice wool or frost beard, is a type of ice that forms on dead wood and takes the shape of fine, silky hair. It is somewhat uncommon, and has been reported mostly at latitudes between 45β55Β Β°N in broadleaf forests. The meteorologist and discoverer of continental drift, Alfred Wegener, described hair ice on wet dead wood in 1918, assuming some specific fungi as the catalyst, a theory mostly confirmed by Gerhart Wagner and Christian MΓ€tzler in 2005. In 2015, the fungus Exidiopsis effusa was identified as key to the formation of hair ice.
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- "Hair Ice" | 2018-06-12 | 405 Upvotes 69 Comments