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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.

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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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πŸ”— Bovril

πŸ”— Companies πŸ”— England πŸ”— Food and drink πŸ”— Brands

Bovril is the trademarked name of a thick and salty meat extract paste similar to a yeast extract, developed in the 1870s by John Lawson Johnston. It is sold in a distinctive, bulbous jar, and also as cubes and granules. Bovril is owned and distributed by Unilever UK.

Bovril can be made into a drink by diluting with hot water or, less commonly, with milk. It can be used as a flavouring for soups, broth, stews or porridge, or as a spread, especially on toast in a similar fashion to Marmite and Vegemite.

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πŸ”— Gilbert U-238 Atomic Energy Laboratory

πŸ”— Education πŸ”— Toys

The Gilbert U-238 Atomic Energy Lab is a toy lab set that was produced by Alfred Carlton Gilbert, who was an American athlete, magician, toy-maker, business man, and inventor of the well-known Erector Set. The Atomic Energy Lab was released by the A. C. Gilbert Company in 1950. The kit's intention was to allow children to create and watch nuclear and chemical reactions using radioactive material.

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πŸ”— Xv6

πŸ”— Computing πŸ”— Computing/Software πŸ”— Computing/Free and open-source software

xv6 is a modern reimplementation of Sixth Edition Unix in ANSI C for multiprocessor x86 and RISC-V systems. It is used for pedagogical purposes in MIT's Operating Systems Engineering (6.828) course as well as Georgia Tech's (CS 3210) Design of Operating Systems Course, IIIT Hyderabad, IIIT Delhi and as well as many other institutions.

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  • "Xv6" | 2015-11-14 | 350 Upvotes 47 Comments

πŸ”— Corona reconnaissance satellites

πŸ”— Mass surveillance πŸ”— Spaceflight πŸ”— Military history πŸ”— Military history/North American military history πŸ”— Military history/United States military history πŸ”— Military history/Military science, technology, and theory πŸ”— Military history/Intelligence πŸ”— Cold War

The Corona program was a series of American strategic reconnaissance satellites produced and operated by the Central Intelligence Agency Directorate of Science & Technology with substantial assistance from the U.S. Air Force. The Corona satellites were used for photographic surveillance of the Soviet Union (USSR), the People's Republic of China, and other areas beginning in June 1959 and ending in May 1972.

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