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๐Ÿ”— Medjed

๐Ÿ”— Religion ๐Ÿ”— Africa ๐Ÿ”— Ancient Egypt ๐Ÿ”— Mythology ๐Ÿ”— Africa/Ancient Egypt

In Ancient Egyptian religion, Medjed is a minor and obscure god mentioned in the Book of the Dead. His ghost-like portrayal in illustrations on the Greenfield papyrus earned him popularity in modern Japanese culture, including as a character in video games and anime.

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๐Ÿ”— Needleman-Wunsch Algorithm

๐Ÿ”— Computer science ๐Ÿ”— Molecular and Cell Biology ๐Ÿ”— Computational Biology

The Needlemanโ€“Wunsch algorithm is an algorithm used in bioinformatics to align protein or nucleotide sequences. It was one of the first applications of dynamic programming to compare biological sequences. The algorithm was developed by Saul B. Needleman and Christian D. Wunsch and published in 1970. The algorithm essentially divides a large problem (e.g. the full sequence) into a series of smaller problems, and it uses the solutions to the smaller problems to find an optimal solution to the larger problem. It is also sometimes referred to as the optimal matching algorithm and the global alignment technique. The Needlemanโ€“Wunsch algorithm is still widely used for optimal global alignment, particularly when the quality of the global alignment is of the utmost importance. The algorithm assigns a score to every possible alignment, and the purpose of the algorithm is to find all possible alignments having the highest score.

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๐Ÿ”— Folding@Home

๐Ÿ”— Computing ๐Ÿ”— Biology ๐Ÿ”— Computing/Software ๐Ÿ”— Stanford University ๐Ÿ”— Pharmacology ๐Ÿ”— Molecular Biology ๐Ÿ”— Molecular Biology/Molecular and Cell Biology ๐Ÿ”— Molecular Biology/Computational Biology

Folding@home (FAH or F@h) is a distributed computing project aimed to help scientists develop new therapeutics for a variety of diseases by the means of simulating protein dynamics. This includes the process of protein folding and the movements of proteins, and is reliant on simulations run on volunteers' personal computers. Folding@home is currently based at the University of Pennsylvania and led by Greg Bowman, a former student of Vijay Pande.

The project utilizes graphics processing units (GPUs), central processing units (CPUs), and ARM processors like those on the Raspberry Pi for distributed computing and scientific research. The project uses statistical simulation methodology that is a paradigm shift from traditional computing methods. As part of the clientโ€“server model network architecture, the volunteered machines each receive pieces of a simulation (work units), complete them, and return them to the project's database servers, where the units are compiled into an overall simulation. Volunteers can track their contributions on the Folding@home website, which makes volunteers' participation competitive and encourages long-term involvement.

Folding@home is one of the world's fastest computing systems. With heightened interest in the project as a result of the COVID-19 pandemic, the system achieved a speed of approximately 1.22 exaflops by late March 2020 and reached 2.43 exaflops by April 12, 2020, making it the world's first exaflop computing system. This level of performance from its large-scale computing network has allowed researchers to run computationally costly atomic-level simulations of protein folding thousands of times longer than formerly achieved. Since its launch on Octoberย 1, 2000, Folding@home was involved in the production of 226 scientific research papers. Results from the project's simulations agree well with experiments.

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๐Ÿ”— Ithkuil is an experimental constructed language. Nobody speaks it fluently

๐Ÿ”— Languages ๐Ÿ”— Constructed languages

Ithkuil is an experimental constructed language created by John Quijada. It is designed to express deeper levels of human cognition briefly yet overtly and clearly, particularly with regard to human categorization. It is a cross between an a priori philosophical and a logical language. It tries to minimize the vagueness and semantic ambiguity found in natural human languages. Ithkuil is notable for its grammatical complexity and extensive phoneme inventory, the latter being simplified in an upcoming redesign. The name "Ithkuil" is an anglicized form of Iลฃkuรฎl, which in the original form roughly means "hypothetical representation of a language". Quijada states he did not create Ithkuil to be auxiliary or used in everyday conversations. He wanted the language to be used for more elaborate and profound fields where more insightful thoughts are expected, such as philosophy, arts, science and politics.

Meaningful phrases or sentences can usually be expressed in Ithkuil with fewer linguistic units than in natural languages. For example, the two-word Ithkuil sentence "Tram-mฤผรถi hhรขsmaล™pลฃuktรดx" can be translated into English as "On the contrary, I think it may turn out that this rugged mountain range trails off at some point". Quijada deems his creation as too complex to have developed naturally, seeing it as an exercise in exploring how languages could function. No person, including Quijada himself, is known to be able to speak Ithkuil fluently. It was featured in the Language Creation Conference's 6th Conlang Relay.

Four versions of the language have been publicized: the initial version in 2004, a simplified version called Ilaksh in 2007, the current version in 2011, and as of 2017, various revisions of a new version of the language, named Ithkuil IV. In 2004โ€”and again in 2009 with Ilakshโ€”Ithkuil was featured in the Russian-language popular science and IT magazine Computerra. In 2008, David Peterson awarded it the Smiley Award. In 2013, Bartล‚omiej Kamiล„ski codified the language to be able to quickly parse complicated sentences. Julien Tavernier and anonymous others have followed suit. Since July 2015, Quijada has released several Ithkuil songs in a prog rock style as part of the album Kaduatรกn, which translates to "Wayfarers". Recently, online communities for the language have developed in English, Russian, Mandarin, and Japanese.

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๐Ÿ”— Three Vinegar Tasters

๐Ÿ”— Religion ๐Ÿ”— China ๐Ÿ”— Visual arts

The Vinegar Tasters (ไธ‰้…ธๅœ–; 'three sours'; ๅ˜—้†‹็ฟ; 'vinegar tasting old-men'; ๅ˜—้†‹ๅœ–, ๅฐ้†‹ๅ›พ) is a traditional subject in Chinese religious painting. The allegorical composition depicts the three founders of China's major religious and philosophical traditions: Confucianism, Buddhism, and Taoism. The theme in the painting has been interpreted as favoring Taoism and critical of the others.

The three men are dipping their fingers in a vat of vinegar and tasting it; one man reacts with a sour expression, one reacts with a bitter expression, and one reacts with a sweet expression. The three men are Confucius, Buddha, and Laozi, respectively. Each man's expression represents the predominant attitude of his philosophy: Confucianism saw life as sour, in need of rules to correct the degeneration of people; Buddhism saw life as bitter, dominated by pain and suffering due to desires; and Taoism saw life as fundamentally perfect in its natural state. Another interpretation of the painting is that, since the three men are gathered around one vat of vinegar, the "three teachings" are one.

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๐Ÿ”— Freeman Dyson Has Died

๐Ÿ”— Biography ๐Ÿ”— Mathematics ๐Ÿ”— Physics ๐Ÿ”— Biography/science and academia ๐Ÿ”— Robotics ๐Ÿ”— United Kingdom ๐Ÿ”— Physics/Biographies ๐Ÿ”— Christianity

Freeman John Dyson (15 December 1923ย โ€“ 28 February 2020) was an English-born American theoretical physicist and mathematician known for his work in quantum electrodynamics, solid-state physics, astronomy and nuclear engineering. He was professor emeritus in the Institute for Advanced Study in Princeton, a member of the Board of Visitors of Ralston College and a member of the Board of Sponsors of the Bulletin of the Atomic Scientists.

Dyson originated several concepts that bear his name, such as Dyson's transform, a fundamental technique in additive number theory, which he developed as part of his proof of Mann's theorem; the Dyson tree, a hypothetical genetically-engineered plant capable of growing in a comet; the Dyson series, a perturbative series where each term is represented by Feynman diagrams; the Dyson sphere, a thought experiment that attempts to explain how a space-faring civilization would meet its energy requirements with a hypothetical megastructure that completely encompasses a star and captures a large percentage of its power output; and Dyson's eternal intelligence, a means by which an immortal society of intelligent beings in an open universe could escape the prospect of the heat death of the universe by extending subjective time to infinity while expending only a finite amount of energy.

Dyson believed global warming is caused merely by increased carbon dioxide but that some of the effects of this are favourable and not taken into account by climate scientists, such as increased agricultural yield. He was skeptical about the simulation models used to predict climate change, arguing that political efforts to reduce causes of climate change distract from other global problems that should take priority. He also signed the World Climate Declaration that there "is no Climate Emergency".

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๐Ÿ”— Outer Space Treaty

๐Ÿ”— International relations ๐Ÿ”— Spaceflight ๐Ÿ”— Law ๐Ÿ”— Politics ๐Ÿ”— International relations/International law ๐Ÿ”— British Overseas Territories

The Outer Space Treaty, formally the Treaty on Principles Governing the Activities of States in the Exploration and Use of Outer Space, including the Moon and Other Celestial Bodies, is a treaty that forms the basis of international space law. The treaty was opened for signature in the United States, the United Kingdom, and the Soviet Union on 27 January 1967, and entered into force on 10 October 1967. As of June 2019, 109 countries are parties to the treaty, while another 23 have signed the treaty but have not completed ratification. In addition, Taiwan, which is currently recognized by 14ย UN member states, ratified the treaty prior to the United Nations General Assembly's vote to transfer China's seat to the People's Republic of China (PRC) in 1971.

Among the Outer Space Treaty's main points are that it prohibits the placing of nuclear weapons in space, it limits the use of the Moon and all other celestial bodies to peaceful purposes only, and establishes that space shall be free for exploration and use by all nations, but that no nation may claim sovereignty of outer space or any celestial body. The Outer Space Treaty does not ban military activities within space, military space forces, or the weaponization of space, with the exception of the placement of weapons of mass destruction in space. It is mostly a non-armament treaty and offers insufficient and ambiguous regulations to newer space activities such as lunar and asteroid mining.

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๐Ÿ”— The Unreality of Time

๐Ÿ”— Philosophy ๐Ÿ”— Philosophy/Philosophical literature ๐Ÿ”— Guild of Copy Editors

"The Unreality of Time" is the best-known philosophical work of the Cambridge idealist J.ย M.ย E. McTaggart (1866โ€“1925). In the argument, first published as a journal article in Mind in 1908, McTaggart argues that time is unreal because our descriptions of time are either contradictory, circular, or insufficient. A slightly different version of the argument appeared in 1927 as one of the chapters in the second volume of McTaggart's greatest work, The Nature of Existence.

The argument for the unreality of time is popularly treated as a stand-alone argument that does not depend on any significant metaphysical principles (e.g. as argued by C.ย D. Broad 1933 and L.ย O. Mink 1960). R.ย D. Ingthorsson disputes this, and argues that the argument can only be understood as an attempt to draw out certain consequences of the metaphysical system that McTaggart presents in the first volume of The Nature of Existence (Ingthorsson 1998 & 2016).

It is helpful to consider the argument as consisting of three parts. In the first part, McTaggart offers a phenomenological analysis of the appearance of time, in terms of the now famous A- and B-series (see below for detail). In the second part, he argues that a conception of time as only forming a B-series but not an A-series is an inadequate conception of time because the B-series does not contain any notion of change. The A-series, on the other hand, appears to contain change and is thus more likely to be an adequate conception of time. In the third and final part, he argues that the conception of time forming an A-series is contradictory and thus nothing can be like an A-series. Since the A- and the B- series exhaust possible conceptions of how reality can be temporal, and neither is adequate, the conclusion McTaggart reaches is that reality is not temporal at all.

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๐Ÿ”— Nunchi

๐Ÿ”— Korea

Nunchi, sometimes noonchi, is a Korean concept signifying the subtle art and ability to listen and gauge others' moods. It first appears in the 17th century as nunch'ลญi (็œผๅ‹ข in Chinese characters), meaning "eye force/power". In Western culture, nunchi could be described as the concept of emotional intelligence. It is of central importance to the dynamics of interpersonal relationships. Nunchi is literally translated as "eye-measure". It is closely related to the broader concept of paralanguage, however nunchi also relies on an understanding of one's status relative to the person with whom they're interacting. It can be seen as the embodiment of skills necessary to communicate effectively in high context culture.

The concept of nunchi, and one's abundance or lack thereof, forms the basis of many common expressions and idioms. For example, a socially clumsy person can be described as nunchi eoptta (๋ˆˆ์น˜ ์—†๋‹ค), meaning "absence of nunchi."

๋ˆˆ์น˜ Nunchi is briefly defined as the high social sensitivity of Koreans which basically means they are able to ascertain others moods by being around them and talking to them. They are sensitive to what others say indirectly, because they want to maintain harmony. They do this by the use of the skill named "nunchi" which literally means eye measure in Korean, they sense someone's "kibun", Kibun is a Korean word which relates to mood, current feelings, and the state of mind. Facilitating nunchi, encouraging the use of this skill, is expected to result in rich understanding. It is of central importance to the dynamics of interpersonal relationships. With nunchi, Koreans are using non-verbal cues to convey emotion and meaning through various means, including voice pitch and volume as well as intonation. Nunchi also relies heavily on an understanding of one's status relative to the person with whom one is interacting. Because Korea, as with other high-context cultures caters toward in-groups that have similar experiences and expectations and from which inferences are drawn, many things are left unsaid here. The culture does the explaining, in effect. Both Kibun and Nunchi are very difficult concepts for non-Koreans to get the hang of and they will generally be forgiven for their ignorance of these concepts and consequent rude behavior, especially if they are high on the status ladder. However, one gains more than one loses by trying to understand and, as much as possible, behaving according to these rules of behavior. In Korea, personal relations frequently take precedence over business. In order to be successful, it is vital to establish good, personal relationships based on mutual trust and benefit Koreans judge this by Nunchi to get a base understanding of the individual they just met. Korean business culture is firmly grounded in respectful rapport and in order to establish this, it is essential to have the right introduction to approach the company. Koreans will use Nunchi to make sure the right approach is being used, often through a mutual friend or acquaintance at the appropriate level. Koreans spend a significant amount of time developing and fostering personal contacts. Therefore, time should be allocated for this process, particularly during the first meeting, which is frequently used to simply establish rapport and build trust.

The phrase ๋ˆˆ์น˜ ์žˆ๋‹ค (nunchi itda) refers to someone who's quick witted, can understand the situation quickly, or has common sense. Another way to say this is ๋ˆˆ์น˜ ๋น ๋ฅด๋‹ค (nunchi ppareuda) โ€“ to have quick nunchi.

In Korean, the phrase ๋ˆˆ์น˜ ์—†๋‹ค (nunchi eoptta) refers to someone that is clueless, someone that doesn't know what's going on, or simply doesn't have any common sense basically it is the exact opposite of nunchi or when someones nunchi is lacking.

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๐Ÿ”— Fifth-Generation Warfare

๐Ÿ”— Computing ๐Ÿ”— Military history ๐Ÿ”— Military history/Military science, technology, and theory

Fifth-generation warfare (5GW) is warfare that is conducted primarily through non-kinetic military action, such as social engineering, misinformation, cyberattacks, along with emerging technologies such as artificial intelligence and fully autonomous systems. Fifth generation warfare has been described by Daniel Abbot as a war of "information and perception". There is no widely agreed upon definition of fifth-generation warfare, and it has been rejected by some scholars, including William S. Lind, who was one of the original theorists of fourth-generation warfare.

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