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πŸ”— The Anamorphic Skull in Holbein's β€œThe Ambassadors”

πŸ”— London πŸ”— 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.

Discussed on

πŸ”— Music Macro Language

πŸ”— Video games πŸ”— Computing πŸ”— Electronic music

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

πŸ”— Hotelling's law

πŸ”— 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.

Discussed on

πŸ”— Erdstall

πŸ”— Europe πŸ”— Middle Ages πŸ”— 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.

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πŸ”— Sayre's law

πŸ”— Politics πŸ”— 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.

Discussed on

πŸ”— E-Prime: English without the verb 'to be'

πŸ”— Linguistics πŸ”— Linguistics/Applied Linguistics πŸ”— Languages πŸ”— Constructed languages πŸ”— English Language

E-Prime (short for English-Prime or English Prime, sometimes denoted Γ‰ or Eβ€²) 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.

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πŸ”— Reversible computing

πŸ”— Technology πŸ”— Computing πŸ”— 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.

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πŸ”— White Coke

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

White Coke (Russian: БСсцвСтная ΠΊΠΎΠΊΠ°-ΠΊΠΎΠ»Π°, 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.

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πŸ”— Non-photo blue

πŸ”— Color πŸ”— Visual arts

Non-photo blue (or non-repro blue) is a common tool used in the graphic design and print industry.

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πŸ”— AMPRNet: Amateur Packet Radio Network

πŸ”— Computing πŸ”— Amateur radio πŸ”— Computing/Networking

The AMPRNet (AMateur Packet Radio Network) or Network 44 is used in amateur radio for packet radio and digital communications between computer networks managed by amateur radio operators. Like other amateur radio frequency allocations, an IP range was provided in 1981 for Amateur Radio Digital Communications (a generic term) and self-administered by radio amateurs. In 2001, undocumented and dual-use of 44.0.0.0/8 as an internet telescope began, recording the spread of the Code Red II worm in July 2001.

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