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πŸ”— Council of Trent

πŸ”— Religion πŸ”— Christianity πŸ”— Christianity/theology πŸ”— Christianity/Catholicism

The Council of Trent (Latin: Concilium Tridentinum), held between 1545 and 1563 in Trent (or Trento), now in northern Italy, was the 19th ecumenical council of the Catholic Church. Prompted by the Protestant Reformation at the time, it has been described as the embodiment of the Counter-Reformation.

The Council issued condemnations of what it defined to be heresies committed by proponents of Protestantism, and also issued key statements and clarifications of the Church's doctrine and teachings, including scripture, the biblical canon, sacred tradition, original sin, justification, salvation, the sacraments, the Mass, and the veneration of saints. The Council met for twenty-five sessions between 13 December 1545 and 4 December 1563. Pope Paul III, who convoked the Council, oversaw the first eight sessions (1545–47), while the twelfth to sixteenth sessions (1551–52) were overseen by Pope Julius III and the seventeenth to twenty-fifth sessions (1562–63) by Pope Pius IV.

The consequences of the Council were also significant with regard to the Church's liturgy and practices. In its decrees, the Council made the Latin Vulgate the official biblical text of the Roman Church (without prejudice to the original texts in Hebrew and Greek, nor to other traditional translations of the Church, but favoring the Latin language over vernacular translations, such as the controversial English-language Tyndale Bible). In doing so, they commissioned the creation of a revised and standardized Vulgate in light of textual criticism, although this was not achieved until the 1590s. The Council also officially affirmed (for the second time at an ecumenical council) the traditional Catholic Canon of biblical books in response to the increasing Protestant exclusion of the deuterocanonical books. The former dogmatic affirmation of the Canonical books was at the Council of Florence in the 1441 bull Cantate Domino, as affirmed by Pope Leo XIII in his 1893 encyclical Providentissimus Deus (#20). In 1565, a year after the Council finished its work, Pius IV issued the Tridentine Creed (after Tridentum, Trent's Latin name) and his successor Pius V then issued the Roman Catechism and revisions of the Breviary and Missal in, respectively, 1566, 1568 and 1570. These, in turn, led to the codification of the Tridentine Mass, which remained the Church's primary form of the Mass for the next four hundred years.

More than three hundred years passed until the next ecumenical council, the First Vatican Council, was convened in 1869.

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πŸ”— Warchalking

πŸ”— Computing πŸ”— Computer Security πŸ”— Computer Security/Computing πŸ”— Computing/Computer Security πŸ”— Computing/Networking

Warchalking is the drawing of symbols in public places to advertise an open Wi-Fi network. Inspired by hobo symbols, the warchalking marks were conceived by a group of friends in June 2002 and publicised by Matt Jones who designed the set of icons and produced a downloadable document containing them. Within days of Jones publishing a blog entry about warchalking, articles appeared in dozens of publications and stories appeared on several major television news programs around the world.

The word is formed by analogy to wardriving, the practice of driving around an area in a car to detect open Wi-Fi nodes. That term in turn is based on wardialing, the practice of dialing many phone numbers hoping to find a modem.

Having found a Wi-Fi node, the warchalker draws a special symbol on a nearby object, such as a wall, the pavement, or a lamp post. Those offering Wi-Fi service might also draw such a symbol to advertise the availability of their Wi-Fi location, whether commercial or personal.

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πŸ”— Highway of Death

πŸ”— Military history πŸ”— Military history/North American military history πŸ”— Military history/United States military history πŸ”— Palestine πŸ”— Western Asia πŸ”— Military history/Middle Eastern military history πŸ”— Western Asia/Kuwait

The Highway of Death (Arabic: Ψ·Ψ±ΩŠΩ‚ Ψ§Ω„Ω…ΩˆΨͺ αΉ­arΔ«q al-mawt) is a six-lane highway between Kuwait and Iraq, officially known as Highway 80. It runs from Kuwait City to the border town of Safwan in Iraq and then on to the Iraqi city of Basra. The road was used by Iraqi armored divisions for the 1990 invasion of Kuwait. It was repaired after the Gulf War and used by U.S. and British forces in the initial stages of the 2003 invasion of Iraq.

During the American-led coalition offensive in the Persian Gulf War, American, Canadian, British and French aircraft and ground forces attacked retreating Iraqi military personnel attempting to leave Kuwait on the night of February 26–27, 1991, resulting in the destruction of hundreds of vehicles and the deaths of many of their occupants. Between 1,400 and 2,000 vehicles were hit or abandoned on the main Highway 80 north of Al Jahra.

The scenes of devastation on the road are some of the most recognizable images of the war, and it has been suggested that they were a factor in President George H. W. Bush's decision to declare a cessation of hostilities the next day. Many Iraqi forces successfully escaped across the Euphrates river, and the U.S. Defense Intelligence Agency estimated that upwards of 70,000 to 80,000 troops from defeated divisions in Kuwait might have fled into Basra, evading capture.

πŸ”— Victory Garden (Novel)

πŸ”— Internet πŸ”— Novels

Victory Garden is a work of electronic literature by American author Stuart Moulthrop. It was written in StorySpace and published by Eastgate Systems in 1992. It is often discussed along with Michael Joyce's afternoon, a story as an important work of hypertext fiction.

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πŸ”— Ramanujan's Lost Notebook

πŸ”— Mathematics πŸ”— India πŸ”— India/Tamil Nadu

Ramanujan's lost notebook is the manuscript in which the Indian mathematician Srinivasa Ramanujan recorded the mathematical discoveries of the last year (1919–1920) of his life. Its whereabouts were unknown to all but a few mathematicians until it was rediscovered by George Andrews in 1976, in a box of effects of G. N. Watson stored at the Wren Library at Trinity College, Cambridge. The "notebook" is not a book, but consists of loose and unordered sheets of paper described as "more than one hundred pages written on 138 sides in Ramanujan's distinctive handwriting. The sheets contained over six hundred mathematical formulas listed consecutively without proofs."

George Andrews and Bruce C. BerndtΒ (2005, 2009, 2012, 2013, 2018) have published several books in which they give proofs for Ramanujan's formulas included in the notebook. Berndt says of the notebook's discovery: "The discovery of this 'Lost Notebook' caused roughly as much stir in the mathematical world as the discovery of Beethoven’s tenth symphony would cause in the musical world."

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πŸ”— Finite Element Method

πŸ”— Mathematics πŸ”— Physics

The finite element method (FEM) is the most widely used method for solving problems of engineering and mathematical models. Typical problem areas of interest include the traditional fields of structural analysis, heat transfer, fluid flow, mass transport, and electromagnetic potential. The FEM is a particular numerical method for solving partial differential equations in two or three space variables (i.e., some boundary value problems). To solve a problem, the FEM subdivides a large system into smaller, simpler parts that are called finite elements. This is achieved by a particular space discretisation in the space dimensions, which is implemented by the construction of a mesh of the object: the numerical domain for the solution, which has a finite number of points. The finite element method formulation of a boundary value problem finally results in a system of algebraic equations. The method approximates the unknown function over the domain. The simple equations that model these finite elements are then assembled into a larger system of equations that models the entire problem. The FEM then uses variational methods from the calculus of variations to approximate a solution by minimizing an associated error function.

Studying or analyzing a phenomenon with FEM is often referred to as finite element analysis (FEA).

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πŸ”— Copyright Law is 300 years old today.

πŸ”— Law πŸ”— United Kingdom πŸ”— Politics of the United Kingdom

The Statute of Anne, also known as the Copyright Act 1710 (cited either as 8 Ann. c. 21 or as 8 Ann. c. 19), is an act of the Parliament of Great Britain passed in 1710, which was the first statute to provide for copyright regulated by the government and courts, rather than by private parties.

Prior to the statute's enactment in 1710, copying restrictions were authorized by the Licensing of the Press Act 1662. These restrictions were enforced by the Stationers' Company, a guild of printers given the exclusive power to printβ€”and the responsibility to censorβ€”literary works. The censorship administered under the Licensing Act led to public protest; as the act had to be renewed at two-year intervals, authors and others sought to prevent its reauthorisation. In 1694, Parliament refused to renew the Licensing Act, ending the Stationers' monopoly and press restrictions.

Over the next 10 years the Stationers repeatedly advocated bills to re-authorize the old licensing system, but Parliament declined to enact them. Faced with this failure, the Stationers decided to emphasise the benefits of licensing to authors rather than publishers, and the Stationers succeeded in getting Parliament to consider a new bill. This bill, which after substantial amendments was granted Royal Assent on 5 April 1710, became known as the Statute of Anne owing to its passage during the reign of Queen Anne. The new law prescribed a copyright term of 14 years, with a provision for renewal for a similar term, during which only the author and the printers to whom they chose to license their works could publish the author's creations. Following this, the work's copyright would expire, with the material falling into the public domain. Despite a period of instability known as the Battle of the Booksellers when the initial copyright terms under the Statute began to expire, the Statute of Anne remained in force until the Copyright Act 1842 replaced it.

The statute is considered a "watershed event in Anglo-American copyright historyΒ ... transforming what had been the publishers' private law copyright into a public law grant". Under the statute, copyright was for the first time vested in authors rather than publishers; it also included provisions for the public interest, such as a legal deposit scheme. The Statute was an influence on copyright law in several other nations, including the United States, and even in the 21st century is "frequently invoked by modern judges and academics as embodying the utilitarian underpinnings of copyright law".

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πŸ”— Shepard Tone

πŸ”— Professional sound production

A Shepard tone, named after Roger Shepard, is a sound consisting of a superposition of sine waves separated by octaves. When played with the bass pitch of the tone moving upward or downward, it is referred to as the Shepard scale. This creates the auditory illusion of a tone that continually ascends or descends in pitch, yet which ultimately seems to get no higher or lower.

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πŸ”— Extreme Value Theory

πŸ”— Statistics

Extreme value theory or extreme value analysis (EVA) is a branch of statistics dealing with the extreme deviations from the median of probability distributions. It seeks to assess, from a given ordered sample of a given random variable, the probability of events that are more extreme than any previously observed. Extreme value analysis is widely used in many disciplines, such as structural engineering, finance, earth sciences, traffic prediction, and geological engineering. For example, EVA might be used in the field of hydrology to estimate the probability of an unusually large flooding event, such as the 100-year flood. Similarly, for the design of a breakwater, a coastal engineer would seek to estimate the 50-year wave and design the structure accordingly.

πŸ”— Lignum Nephriticum

πŸ”— Chemistry πŸ”— Plants

Lignum nephriticum (Latin for "kidney wood") is a traditional diuretic that was derived from the wood of two tree species, the narra (Pterocarpus indicus) and the Mexican kidneywood (Eysenhardtia polystachya). The wood is capable of turning the color of water it comes in contact with into beautiful opalescent hues that change depending on light and angle, the earliest known record of the phenomenon of fluorescence. Due to this strange property, it became well known in Europe from the 16th to the early 18th-century. Cups made from lignum nephriticum were given as gifts to royalty. Water drunk from such cups, as well as imported powders and extracts from lignum nephriticum, were thought to have great medicinal properties.

The lignum nephriticum derived from Mexican kidneywood was known as the coatli, coatl, or cuatl ("snake water") or tlapalezpatli ("blood-tincture medicine") in the Nahuatl language. It was traditionally used by the Aztec people as a diuretic prior to European contact. Similarly, the lignum nephriticum cups made from narra wood were part of the native industry of the Philippines before the arrival of the Spanish. The cups were manufactured in southern Luzon, particularly in the Naga region. The name of which was derived from the abundance of the narra trees, which was known as naga in the Bikol language (literally "serpent" or "dragon").

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