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๐Ÿ”— Phaistos Disc

๐Ÿ”— Classical Greece and Rome ๐Ÿ”— Greece ๐Ÿ”— Writing systems ๐Ÿ”— Archaeology ๐Ÿ”— Visual arts

The Phaistos Disc (also spelled Phaistos Disk, Phaestos Disc) is a disk of fired clay from the Minoan palace of Phaistos on the island of Crete, possibly dating to the middle or late Minoan Bronze Age (second millennium B.C.). The disk is about 15ย cm (5.9ย in) in diameter and covered on both sides with a spiral of stamped symbols. Its purpose and meaning, and even its original geographical place of manufacture, remain disputed, making it one of the most famous mysteries of archaeology. This unique object is now on display at the archaeological museum of Heraklion.

The disc was discovered in 1908 by the Italian archaeologist Luigi Pernier in the Minoan palace-site of Phaistos, and features 241 tokens, comprising 45 distinct signs, which were apparently made by pressing hieroglyphic "seals" into a disc of soft clay, in a clockwise sequence spiraling toward the center of the disk.

The Phaistos Disc captured the imagination of amateur and professional archaeologists, and many attempts have been made to decipher the code behind the disc's signs. While it is not clear that it is a script, most attempted decipherments assume that it is; most additionally assume a syllabary, others an alphabet or logography. Attempts at decipherment are generally thought to be unlikely to succeed unless more examples of the signs are found, as it is generally agreed that there is not enough context available for a meaningful analysis.

Although the Phaistos Disc is generally accepted as authentic by archaeologists, a few scholars believe that the disc is a forgery or a hoax.

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๐Ÿ”— Bullwhip Effect

๐Ÿ”— Business

The bullwhip effect is a supply chain phenomenon where orders to suppliers tend to have a larger variability than sales to buyers, which results in an amplified demand variability upstream. In part, this results in increasing swings in inventory in response to shifts in consumer demand as one moves further up the supply chain. The concept first appeared in Jay Forrester's Industrial Dynamics (1961) and thus it is also known as the Forrester effect. It has been described as "the observed propensity for material orders to be more variable than demand signals and for this variability to increase the further upstream a company is in a supply chain".

Research at Stanford University helped incorporate the concept into supply chain vernacular using a story about Volvo. Suffering a glut in green cars, sales and marketing developed a program to sell the excess inventory. While successful in generating the desired market pull, manufacturing did not know about the promotional plans. Instead, they read the increase in sales as an indication of growing demand for green cars and ramped up production.

Research indicates a fluctuation in point-of-sale demand of five percent will be interpreted by supply chain participants as a change in demand of up to forty percent. Much like cracking a whip, a small flick of the wrist - a shift in point of sale demand - can cause a large motion at the end of the whip - manufacturers' responses.

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๐Ÿ”— 2009 Aftonbladet Israel Controversy

๐Ÿ”— International relations ๐Ÿ”— Judaism ๐Ÿ”— Journalism ๐Ÿ”— Sweden ๐Ÿ”— Israel ๐Ÿ”— Palestine

On 17 August 2009, the Swedish newspaper Aftonbladet published an article reporting how Israel stole the organs of Palestinians in custody. Before eventually admitting to theft of organs, the Israeli government initially denied the allegations and called them antisemetic. The Swedish government refused to condemn the article, and upheld Aftonbladet's freedom of speech, leading to a rift between the Swedish and the Israeli governments. Palestinian officials and families of the deceased called for an independent investigation. In December 2009, Israeli officials admitted that they had harvested the organs of Palestinians without their families' permission. These Palestinians had been killed by the Israeli military, but Israeli officials emphasized they did not kill Palestinians in order to harvest their organs.

The article that sparked the controversy was written by Swedish freelance photojournalist Donald Bostrรถm, with the title Vรฅra sรถner plundras pรฅ sina organ ("Our sons are being plundered for their organs"). It presented allegations that in the late 1980s and the early 1990s, many young men from the West Bank and Gaza Strip had been seized by Israeli forces and their bodies returned to their families with organs missing. It was published by Aftonbladet, one of the largest daily newspapers in the Nordic countries.

The Israeli government and several US representatives claimed that the article was baseless and incendiary, alluding to the history of antisemitism and blood libels against Jews, and asked the Swedish government to denounce the article. The government refused, citing freedom of the press and the Swedish constitution. Swedish ambassador to Israel Elisabet Borsiin Bonnier condemned the article as "shocking and appalling" and stated that freedom of the press carries responsibility, but the Swedish government distanced itself from her remarks. The Swedish Newspaper Publishers' Association and Reporters Without Borders supported Sweden's refusal to condemn it. The former warned of venturing onto a slope with government officials damning occurrences in Swedish media, which may curb warranted debate and restrain freedom of expression by self-censorship. Italy made a stillborn attempt to defuse the diplomatic situation by a European resolution condemning antisemitism. A survey among the cultural editors of the other major Swedish newspapers found that all would have refused the article. The Palestinian National Authority announced that it would establish a commission to investigate the article's claims.

In December 2009, a 2000 interview with the chief pathologist at the L. Greenberg National Institute of Forensic Medicine Yehuda Hiss was released in which he had admitted taking organs from the corpses of Israelis, Palestinians and foreign workers without their families' permission. Israeli health officials confirmed Hiss's confession but stated that such incidents had ended in the 1990s and noted that Hiss had been removed from his post. The Palestinian press said the report "appeared to confirm Palestinians' allegations that Israel returned their relatives' bodies with their chests sewn up, having harvested their organs". Several news agencies claimed the Aftonbladet article accused Israel of killing Palestinians to harvest their organs, although the author, the culture editor for Aftonbladet, and Nancy Scheper-Hughes denied that it had made that claim.

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๐Ÿ”— Liverpool and Manchester Railway

๐Ÿ”— Greater Manchester ๐Ÿ”— Trains ๐Ÿ”— Trains/UK Railways ๐Ÿ”— Merseyside

The Liverpool and Manchester Railway (L&MR) was the first inter-city railway in the world. It opened on 15 September 1830 between the Lancashire towns of Liverpool and Manchester in England. It was also the first railway to rely exclusively on locomotives driven by steam power, with no horse-drawn traffic permitted at any time; the first to be entirely double track throughout its length; the first to have a true signalling system; the first to be fully timetabled; and the first to carry mail.

Trains were hauled by company steam locomotives between the two towns, though private wagons and carriages were allowed. Cable haulage of freight trains was down the steeply-graded 1.26-mile (2.03ย km) Wapping Tunnel to Liverpool Docks from Edge Hill junction. The railway was primarily built to provide faster transport of raw materials, finished goods, and passengers between the Port of Liverpool and the cotton mills and factories of Manchester and surrounding towns.

Designed and built by George Stephenson, the line was financially successful, and influenced the development of railways across Britain in the 1830s. In 1845, the railway was absorbed by its principal business partner, the Grand Junction Railway (GJR), which in turn amalgamated the following year with the London and Birmingham Railway and the Manchester and Birmingham Railway to form the London and North Western Railway.

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๐Ÿ”— Jensenโ€“Shannon Divergence

๐Ÿ”— Mathematics ๐Ÿ”— Statistics

In probability theory and statistics, the Jensenโ€“Shannon divergence, named after Johan Jensen and Claude Shannon, is a method of measuring the similarity between two probability distributions. It is also known as information radius (IRad) or total divergence to the average. It is based on the Kullbackโ€“Leibler divergence, with some notable (and useful) differences, including that it is symmetric and it always has a finite value. The square root of the Jensenโ€“Shannon divergence is a metric often referred to as Jensenโ€“Shannon distance. The similarity between the distributions is greater when the Jensen-Shannon distance is closer to zero.

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๐Ÿ”— 1-Wire

๐Ÿ”— Computing ๐Ÿ”— Electronics

1-Wire is a wired half-duplex serial bus designed by Dallas Semiconductor that provides low-speed (standard 16.3ย kbit/s; "overdrive" at 10ร—) data communication and supply voltage over a single conductor.

1-Wire is similar in concept to I2C, but with lower data rates and longer range. It is typically used to communicate with small inexpensive devices such as digital thermometers and weather instruments. A network of 1-Wire devices with an associated master device is called a MicroLAN. The protocol is also used in small, 16ย mm electronic keys known as a Dallas key or iButton.

One distinctive feature of the bus is the possibility of using only two conductorsย โ€” data and ground. To accomplish this, 1-Wire devices integrate a small capacitor (~800ย pF) to store charge, which powers the device during periods when the data line is active.

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๐Ÿ”— Colonization of Venus

๐Ÿ”— Spaceflight

The colonization of Venus is the proposed process of establishing human settlements on the planet Venus. Due to the planet's extremely hostile surface environment, proposals for settling Venus focus on habitats floating in the upper-middle atmosphere or on settlement of the surface contingent on first terraforming the planet.

The colonization of Venus has been a subject of many works of science fiction since before the dawn of spaceflight, and is still discussed from both a fictional and a scientific standpoint.

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๐Ÿ”— Turnspit Dog

๐Ÿ”— Dogs

The turnspit dog was a short-legged, long-bodied dog bred to run on a wheel, called a turnspit or dog wheel, to turn meat. It is mentioned in Of English Dogs in 1576 under the name "Turnespete". William Bingley's Memoirs of British Quadrupeds (1809) also talks of a dog employed to help chefs and cooks. It was also known as the Kitchen Dog, the Cooking Dog, or the Wheeling Dog. In Linnaeus's 18th-century classification of dogs it is listed as Canis vertigus (also used as Latin name for the Dachshund). The breed was lost, since it was considered to be such a lowly and common dog that no record was effectively kept of it. Some sources consider the turnspit dog a kind of Glen of Imaal Terrier, while others make it a relative of the Welsh Corgi.

With advancements in kitchen technology, the need for turnspit dogs declined. Over time, they were no longer bred for their specific function, and their numbers dwindled, eventually leading to their extinction.

A preserved example of a turnspit dog is displayed at Abergavenny Museum in Abergavenny, Wales.

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๐Ÿ”— Colossus: The Forbin Project

๐Ÿ”— Film ๐Ÿ”— Military history ๐Ÿ”— Film/American cinema ๐Ÿ”— Science Fiction ๐Ÿ”— Military history/Cold War ๐Ÿ”— Cold War ๐Ÿ”— Military history/War films

Colossus: The Forbin Project (originally released as Colossus) is a 1970 American science-fiction thriller film from Universal Pictures, produced by Stanley Chase, directed by Joseph Sargent, and starring Eric Braeden, Susan Clark, Gordon Pinsent, and William Schallert. It is based on the 1966 science-fiction novel Colossus by Dennis Feltham Jones.

The film is about an advanced American defense system, named Colossus, which becomes sentient. After being given full control, Colossus' draconian logic expands on its original nuclear defense directives to assume total control of the world and end all warfare for the good of humankind, despite its creators' orders to stop.

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