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πŸ”— Need for Cognition

πŸ”— Psychology

The need for cognition (NFC), in psychology, is a personality variable reflecting the extent to which individuals are inclined towards effortful cognitive activities.

Need for cognition has been variously defined as "a need to structure relevant situations in meaningful, integrated ways" and "a need to understand and make reasonable the experiential world". Higher NFC is associated with increased appreciation of debate, idea evaluation, and problem solving. Those with a high need for cognition may be inclined towards high elaboration. Those with a lower need for cognition may display opposite tendencies, and may process information more heuristically, often through low elaboration.

Need for cognition is closely related to the five factor model domain openness to experience, typical intellectual engagement, and epistemic curiosity (see below).

Discussed on

πŸ”— Red Scare

πŸ”— United States πŸ”— Politics πŸ”— Socialism πŸ”— Politics/American politics πŸ”— United States/U.S. history

A Red Scare is the promotion of a widespread fear of a potential rise of communism, anarchism or other leftist ideologies by a society or state. The term is most often used to refer to two periods in the history of the United States which are referred to by this name. The First Red Scare, which occurred immediately after World War I, revolved around a perceived threat from the American labor movement, anarchist revolution, and political radicalism. The Second Red Scare, which occurred immediately after World War II, was preoccupied with the perception that national or foreign communists were infiltrating or subverting American society and the federal government. The name refers to the red flag as a common symbol of communism.

Discussed on

πŸ”— Stratton Oakmont, Inc. vs. Prodigy before Section 230

πŸ”— Law

Stratton Oakmont, Inc. v. Prodigy Services Co., 23 Media L. Rep. 1794 (N.Y. Sup. Ct. 1995), is a 1995 U.S. New York Supreme Court decision holding that online service providers could be held liable for the speech of their users. The ruling caused controversy among early supporters of the Internet, including some lawmakers, leading to the passage of Section 230 of the Communications Decency Act in 1996.

Discussed on

πŸ”— Fourth, fifth, and sixth derivatives of position

πŸ”— Physics

In physics, the fourth, fifth and sixth derivatives of position are defined as derivatives of the position vector with respect to time – with the first, second, and third derivatives being velocity, acceleration, and jerk, respectively. Unlike the first three derivatives, the higher-order derivatives are less common, thus their names are not as standardized, though the concept of a minimum snap trajectory has been used in robotics and is implemented in MATLAB.

The fourth derivative is often referred to as snap or jounce. The name "snap" for the fourth derivative led to crackle and pop for the fifth and sixth derivatives respectively, inspired by the Rice Krispies mascots Snap, Crackle, and Pop. These terms are occasionally used, though "sometimes somewhat facetiously".

Discussed on

πŸ”— Ketchup as a Vegetable

πŸ”— United States πŸ”— Politics πŸ”— Food and drink πŸ”— Health and fitness

The ketchup as a vegetable controversy stemmed from proposed regulations of school lunches by the USDA's Food and Nutrition Service (FNS) in 1981, early in the presidency of Ronald Reagan. The regulations were intended to provide meal planning flexibility to local school lunch administrators coping with cuts to the National School Lunch Program enacted by the Omnibus Reconciliation Acts of 1980 and 1981. The proposed changes allowed administrators to meet nutritional requirements by crediting food items not explicitly listed. While ketchup was not mentioned in the original regulations, pickle relish was used as an example of an item that could count as a vegetable.

A similar controversy arose in 2011, when Congress passed a bill prohibiting the USDA from increasing the amount of tomato paste required to constitute a vegetable; the bill allowed pizza with two tablespoons (30 mL) of tomato paste to qualify as a vegetable.

πŸ”— Salmonella-in-Eggs Controversy

πŸ”— Agriculture πŸ”— Food and drink πŸ”— Politics of the United Kingdom πŸ”— Poultry

The salmonella-in-eggs controversy was a political controversy in the United Kingdom caused by the Parliamentary Under-Secretary of State for Health, Edwina Currie's claims that "most of the egg production in this country, sadly, is now affected with salmonella" in 1988. These claims led to a 60 percent decline in egg sales over the next few weeks, and angered both politicians and those in the egg production industry. Currie's statement also resulted in the destruction of around 400 million eggs and the slaughter of around 4 million hens. The controversy dominated Currie's tenure as Parliamentary Under-Secretary of State for Health and resulted in her resignation two weeks later.

Discussed on

πŸ”— The Cuckoo's Egg

πŸ”— Espionage πŸ”— Books πŸ”— Computer Security πŸ”— Computer Security/Computing

The Cuckoo's Egg: Tracking a Spy Through the Maze of Computer Espionage is a 1989 book written by Clifford Stoll. It is his first-person account of the hunt for a computer hacker who broke into a computer at the Lawrence Berkeley National Laboratory (LBNL).

Stoll's use of the term extended the metaphor Cuckoo's egg from brood parasitism in birds to malware.

Discussed on

πŸ”— Konstantin Tsiolkovsky

πŸ”— Biography πŸ”— Soviet Union πŸ”— Russia πŸ”— Russia/technology and engineering in Russia πŸ”— Spaceflight πŸ”— Biography/science and academia πŸ”— Transhumanism πŸ”— Russia/science and education in Russia πŸ”— Biography/arts and entertainment πŸ”— Rocketry

Konstantin Eduardovich Tsiolkovsky (Russian: ΠšΠΎΠ½ΡΡ‚Π°Π½Ρ‚ΠΈΜΠ½ Эдуа́рдович Циолко́вский; 17 SeptemberΒ [O.S. 5 September]Β 1857 – 19 September 1935) was a Russian and Soviet rocket scientist who pioneered astronautics. Along with the Frenchman Robert Esnault-Pelterie, the Germans Hermann Oberth and Fritz von Opel, and the American Robert H. Goddard, he is one of the founding fathers of modern rocketry and astronautics. His works later inspired leading Soviet rocket-engineers Sergei Korolev and Valentin Glushko, who contributed to the success of the Soviet space program.

Tsiolkovsky spent most of his life in a log house on the outskirts of Kaluga, about 200Β km (120Β mi) southwest of Moscow. A recluse by nature, his unusual habits made him seem bizarre to his fellow townsfolk.

Discussed on

πŸ”— Thousandth of an Inch

πŸ”— Metalworking πŸ”— Measurement

A thousandth of an inch is a derived unit of length in a system of units using inches. Equal to 1⁄1000 of an inch, a thousandth is commonly called a thou (used for both singular and plural) or particularly in North America a mil (plural mils).

The words are shortened forms of the English and Latin words for "thousand" (mille in Latin). In international engineering contexts, confusion can arise because mil is a formal unit name in North America but mil or mill is also a common colloquial clipped form of millimetre. The units are considerably different: a millimetre is approximately 39 mils.

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πŸ”— Feb 22 marks death anniversary of Sophie Scholl (9 May 1921–22 February 1943)

πŸ”— Biography πŸ”— Germany πŸ”— Military history πŸ”— Women's History πŸ”— Military history/Military biography πŸ”— Biography/military biography πŸ”— Military history/World War II πŸ”— Military history/German military history πŸ”— Biography/politics and government πŸ”— Anti-war πŸ”— Lutheranism πŸ”— Pritzker Military Library πŸ”— Military history/European military history πŸ”— Germany/Munich

Sophia Magdalena Scholl (9 May 1921 – 22 February 1943) was a German student and anti-Nazi political activist, active within the White Rose non-violent resistance group in Nazi Germany.

She was convicted of high treason after having been found distributing anti-war leaflets at the University of Munich (LMU) with her brother, Hans. For her actions, she was executed by guillotine. Since the 1970s, Scholl has been extensively commemorated for her anti-Nazi resistance work.