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NAR 2 (Serbian Nastavni Računar 2, en. Educational Computer 2) is a theoretical model of a 32-bit word computer created by Faculty of Mathematics of University of Belgrade professor Nedeljko Parezanović as an enhancement to its predecessor, NAR 1. It was used for Assembly language and Computer architecture courses. The word "nar" means Pomegranate in Serbian. Many NAR 2 simulators have been created — for instance, one was named "Šljiva" (en. plum) as that fruit grows in Serbia, while "nar" does not.

🔗 Science 🔗 Tree of Life

Lumpers and splitters are opposing factions in any discipline that has to place individual examples into rigorously defined categories. The lumper–splitter problem occurs when there is the desire to create classifications and assign examples to them, for example schools of literature, biological taxa and so on. A "lumper" is an individual who takes a gestalt view of a definition, and assigns examples broadly, assuming that differences are not as important as signature similarities. A "splitter" is an individual who takes precise definitions, and creates new categories to classify samples that differ in key ways.

🔗 London 🔗 Visual arts

The Ambassadors (1533) is a painting by Hans Holbein the Younger. Also known as Jean de Dinteville and Georges de Selve, it was created in the Tudor period, in the same year Elizabeth I was born. As well as being a double portrait, the painting contains a still life of several meticulously rendered objects, the meaning of which is the cause of much debate. It also incorporates a much-cited example of anamorphosis in painting. It is part of the collection at the National Gallery in London.

🔗 Video games 🔗 Computing 🔗 Electronic music

Music Macro Language (MML) is a music description language used in sequencing music on computer and video game systems.

🔗 Economics

Hotelling's law is an observation in economics that in many markets it is rational for producers to make their products as similar as possible. This is also referred to as the principle of minimum differentiation as well as Hotelling's linear city model. The observation was made by Harold Hotelling (1895–1973) in the article "Stability in Competition" in Economic Journal in 1929.

The opposing phenomenon is product differentiation, which is usually considered to be a business advantage if executed properly.

🔗 Europe 🔗 Middle Ages 🔗 Middle Ages/History

An erdstall is a type of tunnel found across Europe. They are of unknown origin but are believed to date from the Middle Ages. A variety of purposes have been theorized, including that they were used as escape routes or hiding places, but the most prominent theory is that they served a religious or spiritual purpose.

🔗 Politics 🔗 Sociology

Sayre's law states, in a formulation quoted by Charles Philip Issawi: "In any dispute the intensity of feeling is inversely proportional to the value of the issues at stake." By way of corollary, it adds: "That is why academic politics are so bitter." Sayre's law is named after Wallace Stanley Sayre (1905–1972), U.S. political scientist and professor at Columbia University.

🔗 Linguistics 🔗 Linguistics/Applied Linguistics 🔗 Languages 🔗 Constructed languages 🔗 English Language

E-Prime (short for English-Prime or English Prime, sometimes denoted É or E′) is a version of the English language that excludes all forms of the verb to be, including all conjugations, contractions and archaic forms.

Some scholars advocate using E-Prime as a device to clarify thinking and strengthen writing. A number of other scholars have criticized E-Prime's utility.

🔗 Technology 🔗 Computing 🔗 Computer science

Reversible computing is a model of computing where the computational process to some extent is time-reversible. In a model of computation that uses deterministic transitions from one state of the abstract machine to another, a necessary condition for reversibility is that the relation of the mapping from (nonzero-probability) states to their successors must be one-to-one. Reversible computing is a form of unconventional computing.

🔗 Military history 🔗 Military history/North American military history 🔗 Military history/United States military history 🔗 Food and drink 🔗 Military history/Russian, Soviet and CIS military history 🔗 Food and drink/Beverages

White Coke (Russian: Бесцветная кока-кола, tr. Bestsvetnaya koka-kola, lit. "colorless Coca-Cola") is a nickname for a clear variant of Coca-Cola produced in the 1940s at the request of Marshal of the Soviet Union Georgy Zhukov. Like other clear colas, it was of the same original flavor, virtually unchanged by the absence of caramel coloring.