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π Taikyoku Shogi
Taikyoku shΕgi (Japanese: ε€§ε±ε°ζ£) lit. "ultimate chess" is the largest known variant of shogi (Japanese chess). The game was created around the mid-16th century (presumably by priests) and is based on earlier large board shogi games. Before the rediscovery of taikyoku shogi in 1997, tai shogi was believed to be the largest playable chess variant ever. It has not been shown that taikyoku shogi was ever widely played. There are only two sets of restored taikyoku shogi pieces and one of them is held at Osaka University of Commerce. One game may be played over several long sessions and require each player to make over a thousand moves.
Because the game was found only recently after centuries of obscurity, it is difficult to say exactly what all the rules were. Several documents describing the game have been found; however, there are differences between them. Many of the pieces appear in other shogi variants but their moves may be different. The board, and likewise the pieces, were made much smaller, making archeological finds difficult to decipher. Research into this game continues for historical and cultural reasons, but also to satisfy the curious and those who wish to play what could be the most challenging chess-like game ever made. More research must be done however. This article focuses on one likely set of rules that can make the game playable in modern times but is by no means canon. These rules may change as more discoveries are made and secrets of the game unlocked.
Further, because of the terse and often incomplete wording of the historical sources for the large shogi variants, except for chu shogi and to a lesser extent dai shogi (which were at some points of time the most prestigious forms of shogi being played), the historical rules of taikyoku shogi are not clear. Different sources often differ significantly in the moves attributed to the pieces, and the degree of contradiction (summarised below with the listing of most known alternative moves) is such that it is likely impossible to reconstruct the "true historical rules" with any degree of certainty, if there ever was such a thing. It is not clear if the game was ever played much historically, as there is no record of any sets having been made.
Discussed on
- "Taikyoku Shogi" | 2020-10-27 | 230 Upvotes 116 Comments
π Lloyd's Coffee House
Lloyd's Coffee House was a significant meeting place in London in the 17th and 18th centuries.
It was opened by Edward Lloyd (c.β1648β15 February 1713) on Tower Street in 1686. The establishment was a popular place for sailors, merchants and shipowners, and Lloyd catered to them by providing reliable shipping news. The shipping industry community frequented the place to discuss maritime insurance, shipbroking and foreign trade. The dealings that took place led to the establishment of the insurance market Lloyd's of London, Lloyd's Register and several related shipping and insurance businesses.
The coffee shop relocated to Lombard Street in December 1691. Lloyd had a pulpit installed in the new premises, from which maritime auction prices and shipping news were announced. Candle auctions were held in the establishment, with lots frequently involving ships and shipping. From 1696β1697 Lloyd also experimented with publishing a newspaper, Lloyd's News, reporting on shipping schedules and insurance agreements reached in the coffee house. In 1713, the year of Edward Lloyd's death, he modified his will to assign the lease of the coffee house to his head waiter, William Newton, who then married one of Lloyd's daughters, Handy. Newton died the following year and Handy subsequently married Samuel Sheppard. She died in 1720 and Sheppard died in 1727, leaving the coffee house to his sister Elizabeth and her husband, Thomas Jemson. Jemson founded the Lloyd's List newspaper in 1734, similar to the previous Lloyd's News. Merchants continued to discuss insurance matters here until 1774, when the participating members of the insurance arrangement formed a committee and moved to the Royal Exchange on Cornhill as the Society of Lloyd's.
Discussed on
- "Lloyd's Coffee House" | 2020-10-25 | 114 Upvotes 78 Comments
π Intonarumori
Intonarumori are experimental musical instruments invented and built by the Italian futurist Luigi Russolo between roughly 1910 and 1930. There were 27 varieties of intonarumori in total with different names.
Discussed on
- "Intonarumori" | 2020-10-24 | 54 Upvotes 4 Comments
π 1876 United States presidential election
The 1876 United States presidential election was the 23rd quadrennial presidential election, held on Tuesday, November 7, 1876, in which Republican nominee Rutherford B. Hayes faced Democrat Samuel J. Tilden. It was one of the most contentious and controversial presidential elections in American history, and gave rise to the Compromise of 1877 by which the Democrats conceded the election to Hayes in return for an end to Reconstruction and the withdrawal of federal troops from the South. After a controversial post-election process, Hayes was declared the winner.
After President Ulysses S. Grant declined to seek a third term despite previously being expected to do so, Congressman James G. Blaine emerged as the front-runner for the Republican nomination. However, Blaine was unable to win a majority at the 1876 Republican National Convention, which settled on Governor Hayes of Ohio as a compromise candidate. The 1876 Democratic National Convention nominated Governor Tilden of New York on the second ballot.
The results of the election remain among the most disputed ever. Although it is not disputed that Tilden outpolled Hayes in the popular vote, after a first count of votes, Tilden had won 184 electoral votes to Hayes's 165, with 20 votes from four states unresolved: in Florida, Louisiana, and South Carolina, each party reported its candidate had won the state, while in Oregon, one elector was replaced after being declared illegal for being an "elected or appointed official". The question of who should have been awarded these electoral votes is the source of the continued controversy.
An informal deal was struck to resolve the dispute: the Compromise of 1877, which awarded all 20 electoral votes to Hayes; in return for the Democrats' acquiescence to Hayes' election, the Republicans agreed to withdraw federal troops from the South, ending Reconstruction. The Compromise in effect ceded power in the Southern states to the Democratic Redeemers, who proceeded to disenfranchise black voters thereafter.
The 1876 election is the second of five presidential elections in which the person who won the most popular votes did not win the election, but the only such election in which the popular vote winner received a majority (rather than a plurality) of the popular vote. To date, it remains the election that recorded the smallest electoral vote victory (185β184), and the election that yielded the highest voter turnout of the eligible voting age population in American history, at 81.8%. Despite not becoming president, Tilden was the first Democratic presidential nominee since James Buchanan in 1856 to win the popular vote and the first since Franklin Pierce in 1852 to do so in an outright majority (In fact, Tilden received a slightly higher percentage than Pierce in 1852, despite the fact that Pierce won in a landslide).
π The Diolkos: an ancient Greek paved trackway enabling boats to be moved overland
The Diolkos (ΞίολκοΟ, from the Greek διά, dia "across" and α½Ξ»ΞΊΟΟ, holkos "portage machine") was a paved trackway near Corinth in Ancient Greece which enabled boats to be moved overland across the Isthmus of Corinth. The shortcut allowed ancient vessels to avoid the long and dangerous circumnavigation of the Peloponnese peninsula. The phrase "as fast as a Corinthian", penned by the comic playwright Aristophanes, indicates that the trackway was common knowledge and had acquired a reputation for swiftness.
The main function of the Diolkos was the transfer of goods, although in times of war it also became a preferred means of speeding up naval campaigns. The 6Β km (3.7Β mi) to 8.5Β km (5.3Β mi) long roadway was a rudimentary form of railway, and operated from c. 600Β BC until the middle of the 1st centuryΒ AD. The scale on which the Diolkos combined the two principles of the railway and the overland transport of ships remained unique in antiquity.
Discussed on
- "Diolkos" | 2020-10-21 | 167 Upvotes 28 Comments
- "The Diolkos: an ancient Greek paved trackway enabling boats to be moved overland" | 2016-07-31 | 121 Upvotes 27 Comments
π Barbie's Careers
Since Barbie's introduction in 1959, the doll has been portrayed with many different careers. Different dolls are sold with sets of clothes and accessories that fit the career being portrayed. For example, the Lifeguard Barbie play set includes a Barbie, an outfit with shoes, a lifeguard chair, a dolphin, and a life preserver, while the Italian Teacher Barbie includes a Barbie, an outfit with shoes, flash cards, an Italian quiz, an easel, a notebook, a key chain, and a hairbrush. Each career is created to give children the option of exploring new careers and help them learn new things.
According to Mattel, Barbie has had over 200 inspirational careers, and more recently including more STEM fields.
π London Pneumatic Despatch Company
The London Pneumatic Despatch Company (also known as the London Pneumatic Dispatch Company) was formed on 30 June 1859, to design, build and operate an underground railway system for the carrying of mail, parcels and light freight between locations in London. The system was used between 1863 and 1874.
Discussed on
- "London Pneumatic Despatch Company" | 2020-10-21 | 45 Upvotes 20 Comments
π 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 β X rolls a higher number than Y more than half the time β 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).
Discussed on
- "Nontransitive Dice" | 2020-10-17 | 11 Upvotes 1 Comments
- "Nontransitive dice" | 2017-04-29 | 194 Upvotes 42 Comments
π Baumol Effect
Baumol's cost disease (or the Baumol effect) is the rise of salaries in jobs that have experienced no or low increase of labor productivity, in response to rising salaries in other jobs that have experienced higher labor productivity growth. This pattern seemingly goes against the theory in classical economics in which real wage growth is closely tied to labor productivity changes. The phenomenon was described by William J. Baumol and William G. Bowen in the 1960s.
The rise of wages in jobs without productivity gains is from the requirement to compete for employees with jobs that have experienced gains and so can naturally pay higher salaries, just as classical economics predicts. For instance, if the retail sector pays its managers 19th-century-style salaries, the managers may decide to quit to get a job at an automobile factory, where salaries are higher because of high labor productivity. Thus, managers' salaries are increased not by labor productivity increases in the retail sector but by productivity and corresponding wage increases in other industries.
Discussed on
- "Baumol Effect" | 2020-10-17 | 123 Upvotes 99 Comments
- "Baumol Effect" | 2019-07-15 | 91 Upvotes 62 Comments
- "Baumol's Cost Disease: Why Artists are Always Poor" | 2009-12-02 | 39 Upvotes 14 Comments
π Piyama-Radu
Piyamaradu (also spelled Piyama-Radu, Piyama Radu, Piyamaradus, PiyamaraduΕ‘) was a warlike personage whose name figures prominently in the Hittite archives of the middle and late 13th century BC in western Anatolia. His history is of particular interest because it appears to intertwine with that of the Trojan War. Some scholars assume that his name is cognate to that of King Priam of Troy.