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๐Ÿ”— I Am Sitting in a Room (1969)

๐Ÿ”— Electronic music

I am sitting in a room is a sound art piece composed in 1969 and one of composer Alvin Lucier's best known works.

The piece features Lucier recording himself narrating a text, and then playing the tape recording back into the room, re-recording it. The new recording is then played back and re-recorded, and this process is repeated. Due to the room's particular size and geometry, certain frequencies of the recording are emphasized while others are attenuated. Eventually the words become unintelligible, replaced by the characteristic resonant frequencies of the room itself.

In his book on the origins of minimalism, Edward Strickland wrote that "In its repetition and limited means, I am sitting in a room ranks with the finest achievements of Minimal tape music. Furthermore, in its ambient conversion of speech modules into drone frequencies, it unites the two principal structural components of Minimal music in general."

Discussed on

๐Ÿ”— Anti Tank Vespa

๐Ÿ”— France ๐Ÿ”— Military history ๐Ÿ”— Military history/Military science, technology, and theory ๐Ÿ”— Military history/Weaponry ๐Ÿ”— Brands ๐Ÿ”— Military history/French military history ๐Ÿ”— Military history/Military land vehicles ๐Ÿ”— Military history/Italian military history ๐Ÿ”— Military history/European military history

The Vespa 150 TAP was an anti-tank scooter made in the 1950s from a Vespa scooter for use with French paratroops (troupes aรฉroportรฉes, TAP). Introduced in 1956 and updated in 1959, the scooter was produced by Ateliers de Construction de Motocycles et Automobiles (ACMA), the licensed assembler of Vespas in France at the time. Modifications from the civilian Vespa included a reinforced frame and a 75ย mm (3.0ย in) recoilless rifle mounted to the scooter.

The 150 TAPs mounted a M20 75ย mm recoilless rifle, a U.S.-made light anti-armour weapon. It was very light in comparison to a standard 75ย mm (3.0ย in) cannon but was still able to penetrate 100ย mm (3.9ย in) of armour with its HEAT warhead. The recoil was counteracted by venting propellant gases out the rear of the weapon which eliminated the need for a mechanical recoil system or heavy mount.

The scooters would be parachute-dropped in pairs, accompanied by a two-man team. The gun was carried on one scooter, while the ammunition was loaded on the other. Due to the lack of any kind of aiming devices the recoilless rifle was never designed to be fired from the scooter; the gun was mounted on a M1917 Browning machine gun tripod, which was also carried by the scooter, before being fired. However, in an emergency it could be fired while in the frame, and while the scooter was moving.

The "Bazooka Vespa" was relatively cheap: Vespas cost roughly US$500 at the time, and the M20s were plentiful. 600 of them were produced, between 1956 and 1959. It had a cart, and also came with two cans of fuel.

The scooter themselves were original civilian produced VB1T models, 150 cc capacity engine. The engine was two stroke, top speed of 60ย km/h (37ย mph), enough speed to ram any vehicles if needed in an emergency, or move the user from the drop site to the area where the paratrooper was needed.

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๐Ÿ”— Windows Key

๐Ÿ”— Microsoft ๐Ÿ”— Microsoft/Microsoft Windows

The Windows logo key (also known as Windows, win, start, logo, flag, OS, or super key) is a keyboard key which was originally introduced on Microsoft's Natural Keyboard in 1994. This key became a standard key on PC keyboards. In Windows, pressing the key brings up the start menu. Ctrl+Esc performs the same function, in case the keyboard lacks this key.

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๐Ÿ”— Made in China 2025

๐Ÿ”— China ๐Ÿ”— Economics

Made in China 2025 (Chinese: ไธญๅ›ฝๅˆถ้€ 2025; pinyin: Zhลngguรณzhรฌzร o รจrlรญng'รจrwว”) (MIC25, MIC 2025, or MIC2025) is a national strategic plan and industrial policy of the Chinese Communist Party (CCP) to further develop the manufacturing sector of China, issued by CCP general secretary Xi Jinping and Chinese Premier Li Keqiang's cabinet in May 2015. As part of the Thirteenth and Fourteenth Five-year Plans, China aims to move away from being the "world's factory"โ€”a producer of cheap low-tech goods facilitated by lower labour costs and supply chain advantages. The industrial policy aims to upgrade the manufacturing capabilities of Chinese industries, growing from labor-intensive workshops into a more technology-intensive powerhouse.

Made in China 2025's goals include increasing the Chinese-domestic content of core materials to 40 percent by 2020 and 70 percent by 2025. To help achieve independence from foreign suppliers, the initiative encourages increased production in high-tech products and services, with its semiconductor industry central to the industrial plan, partly because advances in chip technology may "lead to breakthroughs in other areas of technology, handing the advantage to whoever has the best chips โ€“ an advantage that currently is out of Beijingโ€™s reach."

Since 2018, following a backlash from the U.S., Europe, and elsewhere, the phrase "MIC 2025" has been de-emphasized in government and other official communications, while the program remains in place. The Chinese government continues to invest heavily in identified technologies. In 2018, the Chinese government committed to investing roughly US$300 billion into achieving the industrial plan. In the wake of the COVID-19 pandemic, at least an additional $1.4 trillion was also invested into MIC 2025 initiatives. Given China's current middle income country status, the practicality of its disproportionate expenditure on pioneering new technologies has been called into question.

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๐Ÿ”— Never Event

๐Ÿ”— Medicine

A never event is the "kind of mistake (medical error) that should never happen" in the field of medical treatment. According to the Leapfrog Group never events are defined as "adverse events that are serious, largely preventable, and of concern to both the public and health care providers for the purpose of public accountability."

A 2012 study reported there may be as many as 1,500 instances of one never event, a retained foreign object, per year in the United States. The same study suggests an estimated total of surgical mistakes at just over 4,000 per year in the United States, but these statistics are extrapolations from small samples rather than actual event counts.

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๐Ÿ”— OiNK's Pink Palace was shut down 16 years ago

๐Ÿ”— Internet culture ๐Ÿ”— Websites ๐Ÿ”— Websites/Computing

Oink's Pink Palace (frequently stylized as OiNK) was a prominent BitTorrent tracker which operated from 2004 to 2007. Following a two-year investigation by the International Federation of the Phonographic Industry (IFPI) and the British Phonographic Industry (BPI), the site was shut down on 23 October 2007, by British and Dutch police agencies. These music industry organisations described OiNK as an "online pirate pre-release music club", whereas former users described it as one of the world's largest and most meticulously maintained online music repositories. About a month before the shut-down, music magazine Blender elected OiNK's creator, British software engineer Alan Ellis, to their The Powergeek 25 โ€” the Most Influential People in Online Music list. Alan Ellis was tried for conspiracy to defraud at Teesside Crown Court, the first person in the UK to be prosecuted for illegal file-sharing, and found not guilty on 15 January 2010.

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๐Ÿ”— Eichmann in Jerusalem: A Report on the Banality of Evil

๐Ÿ”— Germany ๐Ÿ”— Books ๐Ÿ”— Politics ๐Ÿ”— Women writers ๐Ÿ”— Jewish history ๐Ÿ”— Israel

Eichmann in Jerusalem: A Report on the Banality of Evil is a 1963 book by political thinker Hannah Arendt. Arendt, a Jew who fled Germany during Adolf Hitler's rise to power, reported on the trial of Adolf Eichmann, one of the major organizers of the Holocaust, for The New Yorker. A revised and enlarged edition was published in 1964.

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๐Ÿ”— 319 Leona

๐Ÿ”— Astronomy ๐Ÿ”— Astronomy/Astronomical objects ๐Ÿ”— Astronomy/Solar System

319 Leona (provisional designation A920 HE), is a dark asteroid and tumbling slow rotator from the outermost regions of the asteroid belt, approximately 70 kilometers in diameter. It was discovered on 8 October 1891, by French astronomer Auguste Charlois at Nice Observatory in southwestern France. Any reference of its name to a person is unknown. On 12 December 2023 Leona will occult Betelgeuse as seen from southern Europe.

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๐Ÿ”— Slow-Scan Television

๐Ÿ”— Television ๐Ÿ”— Telecommunications ๐Ÿ”— Amateur radio

Slow-scan television (SSTV) is a picture transmission method, used mainly by amateur radio operators, to transmit and receive static pictures via radio in monochrome or color.

A literal term for SSTV is narrowband television. Analog broadcast television requires at least 6ย MHz wide channels, because it transmits 25 or 30 picture frames per second (see ITU analog broadcast standards), but SSTV usually only takes up to a maximum of 3ย kHz of bandwidth. It is a much slower method of still picture transmission, usually taking from about eight seconds to a couple of minutes, depending on the mode used, to transmit one image frame.

Since SSTV systems operate on voice frequencies, amateurs use it on shortwave (also known as HF by amateur radio operators), VHF and UHF radio.

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๐Ÿ”— Uncertainty Reduction Theory

๐Ÿ”— Psychology

The uncertainty reduction theory, also known as initial interaction theory, developed in 1975 by Charles Berger and Richard Calabrese, is a communication theory from the post-positivist tradition. It is one of the few communication theories that specifically looks into the initial interaction between people prior to the actual communication process. The theory asserts the notion that, when interacting, people need information about the other party in order to reduce their uncertainty. In gaining this information people are able to predict the other's behavior and resulting actions, all of which according to the theory is crucial in the development of any relationship.

Berger and Calabrese explain the connection between their central concept of uncertainty and seven key variables of relationship development with a series of axioms, and deduce a series of theorems accordingly. Within the theory two types of uncertainty are identified; cognitive uncertainty and behavioral uncertainty. There are three types of strategies which people may use to seek information about someone: passive, active, and interactive. Furthermore, the initial interaction of strangers can be broken down into individual stagesโ€”the entry stage, the personal stage, and the exit stage. According to the theory, people find uncertainty in interpersonal relationships unpleasant and are motivated to reduce it through interpersonal communication.