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π The Johari Window
The Johari window is a technique designed to help people better understand their relationship with themselves and others. It was created by psychologists Joseph Luft (1916β2014) and Harrington Ingham (1916β1995) in 1955, and is used primarily in self-help groups and corporate settings as a heuristic exercise. Luft and Ingham named their model "Johari" using a combination of their first names.
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- "The Johari Window" | 2023-05-29 | 126 Upvotes 13 Comments
π Hungry Tree
The Hungry Tree is a tree in the grounds of the King's Inns in Dublin, Republic of Ireland. An otherwise unremarkable specimen of the London plane, it has become known for having partially consumed a nearby park bench. It has become a tourist attraction and is frequently photographed. The Hungry Tree was the subject of a campaign by Green Party politician CiarΓ‘n Cuffe to ensure its preservation.
π Balloon Buster
Balloon busters were military pilots known for destroying enemy observation balloons. These pilots were noted for their fearlessness, as balloons were stationary targets able to receive heavy defenses, from the ground and the air. Seventy-seven flying aces in World War I were each credited with destroying five or more balloons, and thus were balloon aces.
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- "Balloon Buster" | 2023-02-12 | 41 Upvotes 13 Comments
π Lincolnshire Poacher (numbers station)
The Lincolnshire Poacher was a British powerful shortwave numbers station that transmitted from Cyprus from the mid-1970s to June 2008. The station gained its commonly known name as it uses bars from the English folk song "The Lincolnshire Poacher" as an interval signal. The radio station was believed to be operated by the British Secret Intelligence Service and emanated from the island of Cyprus. Amateur direction finding linked it with the Royal Air Force base at Akrotiri, Cyprus, where several curtain antennas had been identified as being its transmitter. It consisted of an electronically synthesised English-accented female voice reading groups of five numbers: e.g. '0-2-5-8-8'. The final number in each group was spoken at a higher pitch. It is likely that the station was used to communicate to undercover agents operating in other countries, to be decoded using a one-time pad.
An Asian numbers station of identical format is believed to have been broadcast from Australia, and nicknamed "Cherry Ripe". It uses several bars from the English folk song of the same name as its interval signal. Cherry Ripe continued to be on-air until December 2009.
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- "Lincolnshire Poacher (numbers station)" | 2016-04-06 | 17 Upvotes 1 Comments
π The Southwest Effect
The effect, often referred to as "the Southwest effect", is the increase in airline travel originating from a community after service to and from that community is inaugurated by Southwest Airlines, or any similar airline that improves service or lowers cost.
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- "The Southwest Effect" | 2023-07-08 | 19 Upvotes 2 Comments
π A man died yesterday. He had a huge impact on our lives. Fred Shuttlesworth.
Frederick Lee "Fred" Shuttlesworth (born Fred Lee Robinson, March 18, 1922 β October 5, 2011) was a U.S. civil rights activist who led the fight against segregation and other forms of racism as a minister in Birmingham, Alabama. He was a co-founder of the Southern Christian Leadership Conference, initiated and was instrumental in the 1963 Birmingham Campaign, and continued to work against racism and for alleviation of the problems of the homeless in Cincinnati, Ohio, where he took up a pastorate in 1961. He returned to Birmingham after his retirement in 2007. He helped Martin Luther King Jr. during the civil rights movement.
The BirminghamβShuttlesworth International Airport was named in his honor in 2008.
The Birmingham Civil Rights Institute Fred L. Shuttlesworth Human Rights Award is bestowed annually in his name.
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- "A man died yesterday. He had a huge impact on our lives. Fred Shuttlesworth." | 2011-10-06 | 270 Upvotes 16 Comments
π Slow television
Slow television, or slow TV (Norwegian: Sakte-TV), is a term used for a genre of "marathon" television coverage of an ordinary event in its complete length. Its name is derived both from the long endurance of the broadcast as well as from the natural slow pace of the television program's progress. It was popularised in the 2000s by the Norwegian Broadcasting Corporation (NRK), beginning with the broadcast of a 7-hour train journey in 2009.
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- "Slow television" | 2018-12-02 | 36 Upvotes 10 Comments
π TV detector van
TV detector vans are vans, which, according to the BBC, contain equipment that can detect the presence of television sets in use. The vans are operated by contractors working for the BBC, to enforce the television licensing system in the UK, the Channel Islands and on the Isle of Man. The veracity of their operation has been called into question in the media.
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- "TV Detector Vans" | 2023-12-14 | 71 Upvotes 81 Comments
- "TV detector van" | 2019-08-08 | 151 Upvotes 327 Comments
π Claude Γmile Jean-Baptiste Litre
Claude Γmile Jean-Baptiste Litre is a fictional character created in 1978 by Kenneth Woolner of the University of Waterloo to justify the use of a capital L to denote litres.
The International System of Units usually only permits the use of a capital letter when a unit is named after a person. The lower-case character l might be difficult to distinguish from the upper-case character I or the digit 1 in certain fonts and styles, and therefore both the lower-case (l) and the upper-case (L) are allowed as the symbol for litre. The United States National Institute of Standards and Technology now recommends the use of the uppercase letter L, a practice that is also widely followed in Canada and Australia.
Woolner perpetrated the April Fools' Day hoax in the April 1978 issue of "CHEM 13 News", a newsletter concerned with chemistry for school teachers. According to the hoax, Claude Litre was born on 12 February 1716, the son of a manufacturer of wine bottles. During Litre's extremely distinguished fictional scientific career, he purportedly proposed a unit of volume measurement that was incorporated into the International System of Units after his death in 1778.
The hoax was mistakenly printed as fact in the IUPAC journal Chemistry International and subsequently retracted.
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- "Claude Γmile Jean-Baptiste Litre" | 2024-04-28 | 132 Upvotes 11 Comments
π Stack-Oriented Programming
A stack-oriented programming language is one that relies on a stack machine model for passing parameters. Several programming languages fit this description, notably Forth, RPL, PostScript, BibTeX style design language and many assembly languages (on a much lower level).
Stack-oriented languages operate on one or more stacks, each of which may serve a different purpose. Thus, programming constructs in other programming languages may need to be modified for use in a stack-oriented system. Further, some stack-oriented languages operate in postfix or Reverse Polish notation, that is, any arguments or parameters for a command are stated before that command. For example, postfix notation would be written 2, 3, multiply instead of multiply, 2, 3 (prefix or Polish notation), or 2 multiply 3 (infix notation).
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- "Stack-Oriented Programming" | 2020-01-14 | 103 Upvotes 77 Comments