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π Negative income tax
In economics, a negative income tax (NIT) is a welfare system within an income tax where people earning below a certain amount receive supplemental pay from the government instead of paying taxes to the government.
Such a system has been discussed by economists but never fully implemented. According to surveys however, the consensus view among economists is that the "government should restructure the welfare system along the lines" of one. It was described by British politician Juliet Rhys-Williams in the 1940s and later by American free-market economist Milton Friedman.
Negative income taxes can implement a basic income or supplement a guaranteed minimum income system.
In a negative income tax system, people earning a certain income level would owe no taxes; those earning more than that would pay a proportion of their income above that level; and those below that level would receive a payment of a proportion of their shortfall, which is the amount their income falls below that level.
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- "Negative income tax" | 2016-02-18 | 31 Upvotes 11 Comments
π Laconic Phrase
A laconic phrase or laconism is a concise or terse statement, especially a blunt and elliptical rejoinder. It is named after Laconia, the region of Greece including the city of Sparta, whose ancient inhabitants had a reputation for verbal austerity and were famous for their blunt and often pithy remarks.
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- "Laconic Phrase" | 2015-04-24 | 12 Upvotes 3 Comments
π Object Linking and Embedding
Object Linking & Embedding (OLE) is a proprietary technology developed by Microsoft that allows embedding and linking to documents and other objects. For developers, it brought OLE Control Extension (OCX), a way to develop and use custom user interface elements. On a technical level, an OLE object is any object that implements the IOleObject interface, possibly along with a wide range of other interfaces, depending on the object's needs.
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- "Object Linking and Embedding" | 2024-05-07 | 39 Upvotes 37 Comments
π Madman Theory
The madman theory is a political theory commonly associated with the foreign policy of U.S. president Richard Nixon and his administration, who tried to make the leaders of hostile communist bloc countries think Nixon was irrational and volatile so that they would avoid provoking the U.S. in fear of an unpredictable response.
The premise of madman theory is that it makes seemingly incredible threats seem credible. For instance, in an era of mutually assured destruction, threats by a rational leader to escalate a dispute may seem suicidal and thus easily dismissible by adversaries. However, a leader's suicidal threats may seem credible if the leader is believed to be irrational.
International relations scholars have been skeptical of madman theory as a strategy for success in coercive bargaining. Prominent "madmen", such as Nixon, Nikita Khrushchev, Saddam Hussein, and Muammar Gaddafi failed to win coercive disputes. One difficulty is making others believe you are genuinely a madman. Another difficulty is the inability of a madman to assure others that they will not be punished even if they yield to a particular demand. One study found that madman theory is frequently counterproductive, but that it can be effective under certain conditions. Another study found that there are both bargaining advantages and disadvantages to perceived madness.
π Sexy Son Hypothesis
The sexy son hypothesis in evolutionary biology and sexual selection, proposed by Patrick J. Weatherhead and Raleigh J. Robertson of Queen's University in Kingston, Ontario in 1979, states that a female's ideal mate choice among potential mates is one whose genes will produce males with the best chance of reproductive success. This implies that other benefits the father can offer the mother or offspring are less relevant than they may appear, including his capacity as a parental caregiver, territory and any nuptial gifts. Fisher's principle means that the sex ratio (except in certain eusocial insects) is always near 1:1 between males and females, yet what matters most are her "sexy sons'" future breeding successes, more likely if they have a promiscuous father, in creating large numbers of offspring carrying copies of her genes. This sexual selection hypothesis has been researched in species such as the European pied flycatcher.
Discussed on
- "Sexy Son Hypothesis" | 2023-07-27 | 32 Upvotes 21 Comments
π Pantala Flavescens
Pantala flavescens, the globe skimmer, globe wanderer or wandering glider, is a wide-ranging dragonfly of the family Libellulidae. This species and Pantala hymenaea, the "spot-winged glider", are the only members of the genus Pantala. It was first described by Johan Christian Fabricius in 1798. It is considered to be the most widespread dragonfly on the planet with good population on every continent except Antarctica although rare in Europe. Globe skimmers make an annual multigenerational journey of some 18,000Β km (about 11,200 miles); to complete the migration, individual globe skimmers fly more than 6,000Β km (3,730 miles)βone of the farthest known migrations of all insect species.
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- "Pantala Flavescens" | 2022-08-16 | 18 Upvotes 9 Comments
π Museum Fatigue
Museum fatigue is a state of physical or mental fatigue caused by the experience of exhibits in museums and similar cultural institutions. The collection of phenomena that characterize museum fatigue was first described in 1916, and has since received widespread attention in popular and scientific contexts.
The first known description of museum fatigue was made by Benjamin Ives Gilman in the January 1916 edition of The Scientific Monthly. Gilman mainly focused on the efforts of museum fatigue on how the viewing displays are placed. Gilman went on to say that the way the displays were presented caused museum fatigue. In other later studies, Edward Robinson in 1928 spoke more about museum fatigue, specifically of four museums that showed a lot of characteristics of museum fatigue because of how the displays were placed. Arthur Melton provided more proof for Robinson by observing visitors' interest in the displays decreased as the number of displays increased.
In a more recent study of the phenomenon, Falk, Koran, Direking, and Dreblow studied museum fatigue at the Florida Museum of Natural History in 1985. While observing visitors they noticed a pattern of high interest in anything in the museum for about 30 minutes and then a decrease in interest. In 1997β1998, Beverly Serrell in her research determined that in less than 20 minutes people became apathetic towards the museum. Museum fatigue has also been applied in zoos to see if they had the same effect. In one study in 1986, Bitgood, Patterson, and Benefeld observed the reptile house of the Birmingham Zoo. While observing they noticed that the pattern was different from museum fatigue.
Discussed on
- "Museum Fatigue" | 2024-07-16 | 51 Upvotes 21 Comments
π Hinged dissection
A hinged dissection, also known as a swing-hinged dissection or Dudeney dissection, is a kind of geometric dissection in which all of the pieces are connected into a chain by "hinged" points, such that the rearrangement from one figure to another can be carried out by swinging the chain continuously, without severing any of the connections. Typically, it is assumed that the pieces are allowed to overlap in the folding and unfolding process; this is sometimes called the "wobbly-hinged" model of hinged dissection.
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- "Hinged dissection" | 2013-12-29 | 34 Upvotes 3 Comments
π 112 Gripes About the French
112 Gripes About the French was a 1945 handbook issued by the United States military authorities to enlisted personnel arriving in France after the Liberation. It was meant to defuse the growing tension between the American military and the locals.
The euphoria of victory over Germany was short-lived, and within months of Liberation, tensions began to rise between the French and the U.S. military personnel stationed in the country, with the former seeing the latter as arrogant and wanting to flaunt their wealth, and the latter seeing the former as proud and resentful. Fights were breaking out more often, and fears were raised, even among high officials, that the situation might eventually lead to a breakdown of civil order.
Set out in a question-and-answer format, 112 Gripes about the French posed a series of well-rehearsed complaints about the French, and then provided a common-sense rejoinder to each of them β the aim of the authors being to bring the average American soldier to a fuller understanding of his hosts.
It has recently been republished in the United States (ISBNΒ 1-4191-6512-7), and in France under the title "Nos amis les FranΓ§ais" ("Our friends the French"), ISBNΒ 2-7491-0128-X.
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- "112 Gripes About the French" | 2021-07-16 | 408 Upvotes 339 Comments
π Hundredth monkey effect
The hundredth monkey effect is a hypothetical phenomenon in which a new behaviour or idea is said to spread rapidly by unexplained means from one group to all related groups once a critical number of members of one group exhibit the new behaviour or acknowledge the new idea.
One of the primary factors in the promulgation of the story is that many authors quote secondary, tertiary or post-tertiary sources which have themselves misrepresented the original observations.
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- "Hundredth monkey effect" | 2012-12-24 | 11 Upvotes 6 Comments