id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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1,280,758 | https://en.wikipedia.org/wiki/Heim%20theory | Heim theory, first proposed by German physicist Burkhard Heim publicly in 1957, is an attempt to develop a theory of everything in theoretical physics. The theory claims to bridge some of the disagreements between quantum mechanics and general relativity. The theory has received little attention in the scientific liter... | Heim theory | Physics | 318 |
27,397,276 | https://en.wikipedia.org/wiki/Origin%20PC | Origin PC Corp. is a custom personal computer manufacturing company located in Miami, Florida. Founded by former Alienware employees in 2009, Origin PC assembles high-performance gaming and professional-use desktop and laptop computers from third-party components.
History
Soon after the acquisition of Alienware by Del... | Origin PC | Technology | 308 |
71,131,359 | https://en.wikipedia.org/wiki/White%20House%20Task%20Force%20to%20Address%20Online%20Harassment%20and%20Abuse | The White House Task Force to Address Online Harassment and Abuse is a United States task force whose stated function is to address and prevent online harassment and abuse. It will particularly focus on online harassment and abuse against LGBT people and women, who are disproportionately affected. The task force was la... | White House Task Force to Address Online Harassment and Abuse | Biology | 213 |
52,891,920 | https://en.wikipedia.org/wiki/Regional%20associations%20of%20road%20authorities | This article lists the main regional associations for road authorities from around the world. Many of these are associated with the World Road Association.
Africa
The Association des Gestionnaires et Partenaires Africains de la Route (AGEPAR) or African Road Managers and Partners Association is the association for r... | Regional associations of road authorities | Engineering | 503 |
67,033,210 | https://en.wikipedia.org/wiki/Charles%20M.%20Sommerfield | Charles M. Sommerfield was a theoretical physicist and professor emeritus at Yale University. He is the namesake of the Bogomol'nyi–Prasad–Sommerfield bound.
Biography
Sommerfield studied for his bachelor's at Brooklyn College and earned his Ph.D. from Julian Schwinger at Harvard University in 1957. He worked at Berk... | Charles M. Sommerfield | Physics | 230 |
5,522,291 | https://en.wikipedia.org/wiki/Eric%20Brill | Eric Brill is a computer scientist specializing in natural language processing. He created the Brill tagger, a supervised part of speech tagger. Another research paper of Brill introduced a machine learning technique now known as transformation-based learning.
Biography
Brill earned a BA in mathematics from the Univer... | Eric Brill | Technology | 224 |
3,858,973 | https://en.wikipedia.org/wiki/Ice%20bridge | An ice bridge is a frozen natural structure formed over seas, bays, rivers or lake surfaces. They facilitate migration of animals or people over a water body that was previously uncrossable by terrestrial animals, including humans. The most significant ice bridges are formed by glaciation, spanning distances of many mi... | Ice bridge | Engineering | 213 |
56,603,808 | https://en.wikipedia.org/wiki/Diethyl%20lutidinate | Diethyl lutidinate is a chemical compound. It has been studied for its potential use in hair care.
It can be synthesized by reacting lutidinic acid with ethanol at elevated temperature in presence of sulfuric acid.
References
Pyridines
Ethyl esters | Diethyl lutidinate | Chemistry | 57 |
32,668,737 | https://en.wikipedia.org/wiki/Spell%20%28Unix%29 | is the standard English language spell checker for Unix, Plan 9, and Unix-like operating systems.
Appearing in Version 6 Unix, was originally written by Stephen C. Johnson of Bell Labs in 1975. Douglas McIlroy later improved its accuracy, performance, and memory use, and described his work and spell in general in his... | Spell (Unix) | Technology | 482 |
26,297,589 | https://en.wikipedia.org/wiki/Owen%27s%20T%20function | In mathematics, Owen's T function T(h, a), named after statistician Donald Bruce Owen, is defined by
The function was first introduced by Owen in 1956.
Applications
The function T(h, a) gives the probability of the event (X > h and 0 < Y < aX) where X and Y are independent standard normal random variables.
This func... | Owen's T function | Mathematics | 252 |
40,381,230 | https://en.wikipedia.org/wiki/Institute%20for%20Computational%20Cosmology | The Institute for Computational Cosmology (ICC) is a research institute at Durham University, England. It was founded in November 2002 as part of the Ogden Centre for Fundamental Physics, which also includes the Institute for Particle Physics Phenomenology (IPPP). The ICC's primary mission is to advance fundamental kno... | Institute for Computational Cosmology | Astronomy | 998 |
71,725,016 | https://en.wikipedia.org/wiki/Collusion%20%28psychology%29 | The concept of collusion in couples' relations with two partners is a psychological term for behavioral patterns in relationships for couples therapy. In contemporary psychotherapeutical practice, collusion often refers to a failure of the therapist to maintain neutrality or objectivity, such as when the therapist alig... | Collusion (psychology) | Biology | 1,317 |
68,336,959 | https://en.wikipedia.org/wiki/Scouring%20%28textiles%29 | Scouring is a preparatory treatment of certain textile materials. Scouring removes soluble and insoluble impurities found in textiles as natural, added and adventitious impurities: for example, oils, waxes, fats, vegetable matter, as well as dirt. Removing these contaminants through scouring prepares the textiles for s... | Scouring (textiles) | Chemistry | 1,777 |
2,585,099 | https://en.wikipedia.org/wiki/Verifone | Verifone, Inc. is an American multinational corporation headquartered in New York City, New York. Verifone provides technology for electronic payment transactions and value-added services at the point-of-sale. Verifone sells merchant-operated, consumer-facing and self-service payment systems to the financial, retail, h... | Verifone | Technology | 5,885 |
5,044,322 | https://en.wikipedia.org/wiki/Total%20ionic%20strength%20adjustment%20buffer | Total ionic strength adjustment buffer (TISAB) is a buffer solution which increases the ionic strength of a solution to a relatively high level. This is important for potentiometric measurements, including ion selective electrodes, because they measure the activity of the analyte rather than its concentration. TISAB es... | Total ionic strength adjustment buffer | Chemistry | 579 |
25,418,827 | https://en.wikipedia.org/wiki/Desert%20greening | Desert greening is the process of afforestation or revegetation of deserts for ecological restoration (biodiversity), sustainable farming and forestry, but also for reclamation of natural water systems and other ecological systems that support life. The term "desert greening" is intended to apply to both cold and hot a... | Desert greening | Biology | 4,742 |
2,481,120 | https://en.wikipedia.org/wiki/Meniscal%20cyst | Meniscal cyst is a well-defined cystic lesion located along the peripheral margin of the meniscus, a part of the knee, nearly always associated with horizontal meniscal tears.
Signs and symptoms
Pain and swelling or focal mass at the level of the joint. The pain may be related to a meniscal tear or distension of the k... | Meniscal cyst | Biology | 564 |
2,668,460 | https://en.wikipedia.org/wiki/Lambda%20Serpentis | Lambda Serpentis, Latinized from λ Serpentis, is a star in the constellation Serpens, in its head (Serpens Caput). It has an apparent visual magnitude of 4.43, making it visible to the naked eye. Based upon parallax measurements, this star lies at a distance of about from Earth. Lambda Serpentis is moving toward the S... | Lambda Serpentis | Astronomy | 381 |
2,545,679 | https://en.wikipedia.org/wiki/National%20Archive%20of%20Computerized%20Data%20on%20Aging | The National Archive of Computerized Data on Aging (NACDA), located within ICPSR in Michigan, is funded by the US National Institute on Aging (NIA). NACDA's mission is to advance research on aging by helping researchers to profit from the under-exploited potential of a broad range of datasets.
NACDA acquires and prese... | National Archive of Computerized Data on Aging | Biology | 550 |
38,782,269 | https://en.wikipedia.org/wiki/Luhman%2016 | Luhman 16 (also designated WISE 1049−5319 or WISE J104915.57−531906.1) is a binary brown-dwarf system in the southern constellation Vela at a distance of from the Sun. These are the closest-known brown dwarfs and the closest system found since the measurement of the proper motion of Barnard's Star in 1916, and the thi... | Luhman 16 | Astronomy | 3,248 |
23,444,071 | https://en.wikipedia.org/wiki/Salientia | The Salientia (Latin salire, salio meaning "to jump") are a total group of amphibians that includes the order Anura, the frogs and toads, and various extinct proto-frogs that are more closely related to the frogs than they are to the Urodela, the salamanders and newts. The oldest fossil "proto-frog" appeared in the ear... | Salientia | Biology | 1,620 |
77,583,575 | https://en.wikipedia.org/wiki/Type%20IIB%20supergravity | In supersymmetry, type IIB supergravity is the unique supergravity in ten dimensions with two supercharges of the same chirality. It was first constructed in 1983 by John Schwarz and independently by Paul Howe and Peter West at the level of its equations of motion. While it does not admit a fully covariant action due t... | Type IIB supergravity | Physics,Astronomy | 2,024 |
166,084 | https://en.wikipedia.org/wiki/Compressibility | In thermodynamics and fluid mechanics, the compressibility (also known as the coefficient of compressibility or, if the temperature is held constant, the isothermal compressibility) is a measure of the instantaneous relative volume change of a fluid or solid as a response to a pressure (or mean stress) change. In its s... | Compressibility | Physics,Chemistry,Mathematics,Engineering | 1,584 |
76,005,038 | https://en.wikipedia.org/wiki/Neptunium%20nitride | Neptunium nitride is a binary inorganic compound of neptunium and nitrogen with the chemical formula .
Preparation
Neptunium nitride can be prepared by the reaction of freshly obtained neptunium hydride and ammonia:
The reaction of neptunium and nitrogen can also obtain neptunium nitride:
Physical properties
Neptun... | Neptunium nitride | Chemistry | 145 |
6,456,560 | https://en.wikipedia.org/wiki/Common%20Hybrid%20Interface%20Protocol%20System | Common Hybrid Interface Protocol System (CHIPS) is the definition of a computer network that consists of a mixture of common serial data protocols such as RS-232 and RS-485, or can be even PC keyboard interface communication. CHIPS may also consist of Bluetooth and Wi-Fi for wireless communication can be installed on a... | Common Hybrid Interface Protocol System | Engineering | 284 |
78,106,210 | https://en.wikipedia.org/wiki/LR105 | The LR105 is a liquid-fuel rocket engine that served as the sustainer engine for the Atlas rocket family. Developed by Rocketdyne in 1957 as the S-4, it is called a sustainer engine because it continues firing after the LR89 booster engines have been jettisoned, providing thrust during the ascent phase.
Description
T... | LR105 | Astronomy | 283 |
59,730,114 | https://en.wikipedia.org/wiki/Parallel%20external%20memory | In computer science, a parallel external memory (PEM) model is a cache-aware, external-memory abstract machine. It is the parallel-computing analogy to the single-processor external memory (EM) model. In a similar way, it is the cache-aware analogy to the parallel random-access machine (PRAM). The PEM model consists of... | Parallel external memory | Mathematics | 1,344 |
12,786,203 | https://en.wikipedia.org/wiki/History%20of%20virtual%20learning%20environments%20in%20the%201990s | In the history of virtual learning environments, the 1990s was a time of growth, primarily due to the advent of the affordable computer and of the Internet.
1980s
1985
The Free Educational Mail (FrEdMail) network was created by San Diego educators, Al Rogers and Yvonne Marie Andres, in 1985. More than 150 schools and... | History of virtual learning environments in the 1990s | Technology | 18,267 |
24,280,199 | https://en.wikipedia.org/wiki/Metal%20L-edge | Metal L-edge spectroscopy is a spectroscopic technique used to study the electronic structures of transition metal atoms and complexes. This method measures X-ray absorption caused by the excitation of a metal 2p electron to unfilled d orbitals (e.g. 3d for first-row transition metals), which creates a characteristic a... | Metal L-edge | Chemistry,Materials_science,Engineering | 1,134 |
6,815,943 | https://en.wikipedia.org/wiki/Radical-nucleophilic%20aromatic%20substitution | Radical-nucleophilic aromatic substitution or SRN1 in organic chemistry is a type of substitution reaction in which a certain substituent on an aromatic compound is replaced by a nucleophile through an intermediary free radical species:
The substituent X is a halide and nucleophiles can be sodium amide, an alkoxide or... | Radical-nucleophilic aromatic substitution | Chemistry | 507 |
11,524,295 | https://en.wikipedia.org/wiki/Tetrahalomethane | Tetrahalomethanes are fully halogenated methane derivatives of general formula CFkCllBrmInAtp, where:Tetrahalomethanes are on the border of inorganic and organic chemistry, thus they can be assigned both inorganic and organic names by IUPAC: tetrafluoromethane - carbon tetrafluoride, tetraiodomethane - carbon tetraiodi... | Tetrahalomethane | Chemistry | 269 |
3,131,507 | https://en.wikipedia.org/wiki/RNA-binding%20protein | RNA-binding proteins (often abbreviated as RBPs) are proteins that bind to the double or single stranded RNA in cells and participate in forming ribonucleoprotein complexes.
RBPs contain various structural motifs, such as RNA recognition motif (RRM), dsRNA binding domain, zinc finger and others.
They are cytoplasmic an... | RNA-binding protein | Biology | 4,324 |
1,500,452 | https://en.wikipedia.org/wiki/Steering%20pole | A steering pole is a light spar extending from the bow of a straight deck ship which aids the wheelsman in steering.
Ancient literature indicates that steering poles have long been part of boat construction, and are referred to in ancient texts such as the Epic of Gilgamesh.
References
Shipbuilding | Steering pole | Engineering | 59 |
39,412,827 | https://en.wikipedia.org/wiki/Nidec%20Leroy-Somer | Nidec Leroy-Somer is a French company based in Angoulême, Charente which manufactures mainly electric motors. It was established in 1919 by Marcellin Leroy.
The firm has now expanded in Czech Republic, Hungary, Poland, Romania, China and India, with almost 10,000 employees.
Since January 31, 2017, Leroy-Somer has bec... | Nidec Leroy-Somer | Engineering | 115 |
36,695,492 | https://en.wikipedia.org/wiki/Architech | The Architectural Association of Universiti Teknologi Malaysia ( or PSUTM), more commonly known as Architech, is the official association for students of architecture in UTM. It was formed in the 70s during the Kuala Lumpur days, and one of the earliest students association to be registered under Office of Students' Af... | Architech | Engineering | 1,476 |
11,989,095 | https://en.wikipedia.org/wiki/Latent%20semantic%20mapping | Latent semantic mapping (LSM) is a data-driven framework to model globally meaningful relationships implicit in large volumes of (often textual) data. It is a generalization of latent semantic analysis. In information retrieval, LSA enables retrieval on the basis of conceptual content, instead of merely matching words ... | Latent semantic mapping | Technology | 220 |
2,033,002 | https://en.wikipedia.org/wiki/Floral%20design | Floral design or flower arrangement is the art of using plant material and flowers to create an eye-catching and balanced composition or display. Evidence of refined floral design is found as far back as the culture of ancient Egypt. Floral designs, called arrangements, incorporate the five elements and seven principle... | Floral design | Engineering | 3,625 |
13,056,751 | https://en.wikipedia.org/wiki/Cefamandole | Cefamandole (INN, also known as cephamandole) is a second-generation broad-spectrum cephalosporin antibiotic. The clinically used form of cefamandole is the formate ester cefamandole nafate, a prodrug which is administered parenterally. Cefamandole is no longer available in the United States.
The chemical structure o... | Cefamandole | Chemistry | 416 |
11,421,042 | https://en.wikipedia.org/wiki/Pyrococcus%20C/D%20box%20small%20nucleolar%20RNA | In molecular biology, Pyrococcus C/D box small nucleolar RNA are non-coding RNA (ncRNA) molecules identified in the archaeal genus Pyrococcus which function in the modification of ribosomal RNA (rRNA) and transfer RNA (tRNA). This type of modifying RNA is usually located in the nucleolus of the eukaryotic cell, which i... | Pyrococcus C/D box small nucleolar RNA | Chemistry | 254 |
2,350,490 | https://en.wikipedia.org/wiki/Road%20roller | A road roller (sometimes called a roller-compactor, or just roller) is a compactor-type engineering vehicle used to compact soil, gravel, concrete, or asphalt in the construction of roads and foundations. Similar rollers are used also at landfills or in agriculture.
Road rollers are frequently referred to as steamroll... | Road roller | Engineering | 2,107 |
3,303,198 | https://en.wikipedia.org/wiki/Fokker%20periodicity%20block | Fokker periodicity blocks are a concept in tuning theory used to mathematically relate musical intervals in just intonation to those in equal tuning. They are named after Adriaan Daniël Fokker. These are included as the primary subset of what Erv Wilson refers to as constant structures, where "each interval occurs al... | Fokker periodicity block | Mathematics | 1,458 |
1,189,192 | https://en.wikipedia.org/wiki/StarHub | StarHub Limited, commonly known as StarHub, is a Singaporean multinational telecommunications conglomerate and one of the major telcos operating in the country. Founded in 1998, it is listed on the Singapore Exchange (SGX).
History
Early years
StarHub was awarded the license to provide fixed networks and mobile servi... | StarHub | Technology | 2,345 |
27,240,903 | https://en.wikipedia.org/wiki/Online%20vetting | Online vetting, also known as cyber-vetting is used by potential employers and other acquaintances to vet people's online presence or "internet reputation" ("netrep") on search engines such as Google and Yahoo, and social networking services such as Facebook, Twitter, Instagram and LinkedIn. Employers may check profile... | Online vetting | Technology | 1,112 |
73,759,515 | https://en.wikipedia.org/wiki/7%20Leonis%20Minoris | 7 Leonis Minoris (7 LMi) is a star located in the northern constellation Leo Minor. It is also designated as HD 82087 and HR 3764. 7 LMi is faintly visible to the naked eye as a yellow-hued point of light with an apparent magnitude of 5.86. Gaia DR3 parallax measurements imply a distance of 462 light-years and it is cu... | 7 Leonis Minoris | Astronomy | 362 |
4,460,592 | https://en.wikipedia.org/wiki/NetTop | NetTop is an NSA project to run Multiple Single-Level systems with a Security-Enhanced Linux host running VMware with Windows as a guest operating system.
NetTop has .
External links
NSA web page on NetTop
VMware PR page on NetTop
HP NetTop web page
TCS Trusted Workstation based on NetTop
Linux security software
Nat... | NetTop | Technology | 75 |
501,339 | https://en.wikipedia.org/wiki/Topogenic%20sequence | A topogenic sequence is a collective term used for a peptide sequence present at nascent proteins essential for their insertion and orienting in cellular membranes. The sequences are also used to translocate proteins across various intracellular membranes, and ensure they are transported to the correct organelle after ... | Topogenic sequence | Chemistry,Biology | 203 |
55,883,075 | https://en.wikipedia.org/wiki/NGC%201989 | NGC 1989 (also known as ESO 423-21) is a lenticular galaxy in the Columba constellation. It is about 482 million light-years away from the Milky Way. The galaxy was discovered by John Herschel on January 28, 1835. Its apparent magnitude is 12.9 and its size is 1.40 by 1.1 arc minutes.
References
External links
Len... | NGC 1989 | Astronomy | 114 |
20,741,256 | https://en.wikipedia.org/wiki/Danish%20design | Danish design is a style of functionalistic design and architecture that was developed in mid-20th century. Influenced by the German Bauhaus school, many Danish designers used the new industrial technologies, combined with ideas of simplicity and functionalism to design buildings, furniture and household objects, many ... | Danish design | Engineering | 1,796 |
1,060,236 | https://en.wikipedia.org/wiki/Simplicial%20homology | In algebraic topology, simplicial homology is the sequence of homology groups of a simplicial complex. It formalizes the idea of the number of holes of a given dimension in the complex. This generalizes the number of connected components (the case of dimension 0).
Simplicial homology arose as a way to study topologica... | Simplicial homology | Mathematics | 2,124 |
4,141,563 | https://en.wikipedia.org/wiki/Predictive%20analytics | Predictive analytics, or predictive AI, encompasses a variety of statistical techniques from data mining, predictive modeling, and machine learning that analyze current and historical facts to make predictions about future or otherwise unknown events.
In business, predictive models exploit patterns found in historical... | Predictive analytics | Mathematics,Technology | 2,832 |
36,943,036 | https://en.wikipedia.org/wiki/Tosylamide/formaldehyde%20resin | Tosylamide/formaldehyde resin (TSFR) is a polymeric resin used as a plasticizer and secondary film-forming agent in nail polishes. While it was still in use its use has been diminishing in favor of hypoallergenic alternatives, due to the prevalence of reactions causing allergic contact dermatitis of the eyelids, face,... | Tosylamide/formaldehyde resin | Chemistry | 327 |
14,705,543 | https://en.wikipedia.org/wiki/Civic%20intelligence | Civic intelligence is an "intelligence" that is devoted to addressing public or civic issues. The term has been applied to individuals and, more commonly, to collective bodies, like organizations, institutions, or societies. Civic intelligence can be used in politics by groups of people who are trying to achieve a comm... | Civic intelligence | Technology | 3,135 |
19,268,325 | https://en.wikipedia.org/wiki/Beta%20Equulei | Beta Equulei, Latinized from β Equulei, is the Bayer designation for a solitary star in the northern constellation of Equuleus. It is faintly visible to the naked eye with an apparent visual magnitude of 5.16. The annual parallax shift is 11.27 mas, indicating a separation of around 289 light years from the Sun. It is ... | Beta Equulei | Astronomy | 296 |
19,180,599 | https://en.wikipedia.org/wiki/Lacto-2%20RNA%20motif | The lacto-2 RNA motif is an RNA structure that is conserved amongst bacteria within the order Lactobacillales. The motif consists of a stem-loop whose stem is interrupted by many internal loops and bulges. Nucleotide identities in many places are conserved, and one internal loop in particular is highly conserved.
As... | Lacto-2 RNA motif | Chemistry | 257 |
6,234,521 | https://en.wikipedia.org/wiki/Building%20performance | Building performance is an attribute of a building that expresses how well that building carries out its functions. It may also relate to the performance of the building construction process. Categories of building performance are quality (how well the building fulfills its functions), resource savings (how much of a p... | Building performance | Engineering | 639 |
28,405,015 | https://en.wikipedia.org/wiki/Data%20Processing%20Iran%20Co. | Data Processing Iran Company (DPI) (, Dadheperdazi-ye Iran) is a computer, technology and IT Consulting corporation headquartered in Tehran, Iran. DPI is currently the largest technology provider in Iran
DPI manufactures and sells computer hardware and software (with a focus on the latter), and offers infrastructure s... | Data Processing Iran Co. | Technology | 293 |
1,358,453 | https://en.wikipedia.org/wiki/Astrophysical%20jet | An astrophysical jet is an astronomical phenomenon where outflows of ionised matter are emitted as extended beams along the axis of rotation. When this greatly accelerated matter in the beam approaches the speed of light, astrophysical jets become relativistic jets as they show effects from special relativity.
The for... | Astrophysical jet | Physics,Astronomy | 1,147 |
32,050,924 | https://en.wikipedia.org/wiki/WSSUS%20model | The WSSUS (Wide-Sense Stationary Uncorrelated Scattering) model provides a statistical description of the transmission behavior of wireless channels. "Wide-sense stationarity" means the second-order moments of the channel are stationary, which means that they depends only on the time difference, while "uncorrelated sc... | WSSUS model | Physics,Chemistry,Materials_science,Mathematics,Technology,Engineering | 286 |
733,536 | https://en.wikipedia.org/wiki/Arm%20%26%20Hammer | Arm & Hammer is a brand of baking soda-based consumer products marketed by Church & Dwight, a major American manufacturer of household products. The logo of the brand depicts the ancient symbol of a muscular arm holding a hammer inside a red circle with the brand name and slogan. Originally associated solely with bakin... | Arm & Hammer | Chemistry | 523 |
173,522 | https://en.wikipedia.org/wiki/KHTML | KHTML is a discontinued browser engine that was developed by the KDE project. It originated as the engine of the Konqueror browser in the late 1990s, but active development ceased in 2016. It was officially discontinued in 2023.
Built on the KParts framework and written in C++, KHTML had relatively good support for We... | KHTML | Technology | 1,014 |
9,896,434 | https://en.wikipedia.org/wiki/Prokaryotic%20DNA%20replication | Prokaryotic DNA Replication is the process by which a prokaryote duplicates its DNA into another copy that is passed on to daughter cells. Although it is often studied in the model organism E. coli, other bacteria show many similarities. Replication is bi-directional and originates at a single origin of replication... | Prokaryotic DNA replication | Biology | 1,887 |
58,458,383 | https://en.wikipedia.org/wiki/Ecosystem%20collapse | An ecosystem, short for ecological system, is defined as a collection of interacting organisms within a biophysical environment. Ecosystems are never static, and are continually subject to both stabilizing and destabilizing processes. Stabilizing processes allow ecosystems to adequately respond to destabilizing changes... | Ecosystem collapse | Biology | 2,880 |
56,463,402 | https://en.wikipedia.org/wiki/For%20All%20Moonkind | For All Moonkind, Inc. is a volunteer international nonprofit organization which is working with the United Nations and the international community to manage the preservation of history and human heritage in outer space. The organization believes that the lunar landing sites and items from space missions are of great v... | For All Moonkind | Astronomy | 2,194 |
32,274,109 | https://en.wikipedia.org/wiki/G%C3%BCnter%20Ropohl | Günter Ropohl (14 June 1939 in Cologne, Germany – 28 January 2017) was a German philosopher of technology.
Biography
Günter Ropohl studied mechanical engineering and philosophy at Stuttgart University, where he was a scholar of the philosopher Max Bense. After his PhD (Dr.-Ing.) in 1970, he wrote his Habilitation the... | Günter Ropohl | Technology | 1,669 |
44,029,942 | https://en.wikipedia.org/wiki/Toughie%20%28frog%29 | Toughie was the last known living Rabbs' fringe-limbed treefrog. The species, scientifically known as Ecnomiohyla rabborum, is thought to be extinct, as the last specimen—Toughie—died in captivity on September 26, 2016.
Captivity
Toughie was captured as an adult in Panama in 2005, when researchers went on a conservati... | Toughie (frog) | Biology | 754 |
77,480,764 | https://en.wikipedia.org/wiki/Williamson%20theorem | In the context of linear algebra and symplectic geometry, the Williamson theorem concerns the diagonalization of positive definite matrices through symplectic matrices.
More precisely, given a strictly positive-definite Hermitian real matrix , the theorem ensures the existence of a real symplectic matrix , and a diag... | Williamson theorem | Mathematics | 199 |
44,002,665 | https://en.wikipedia.org/wiki/Japanese%20Society%20for%20Bioinformatics | The Japanese Society for Bioinformatics (JSBi) is a Japanese research society on the subjects of bioinformatics and computational biology established in 1999. The society is an affiliated regional group of the International Society for Computational Biology (ISCB), and a member of Association of Asian Societies for Bio... | Japanese Society for Bioinformatics | Biology | 306 |
30,234,767 | https://en.wikipedia.org/wiki/Living%20Earth%20Simulator%20Project | The Living Earth simulator is a proposed massive computer simulation system intended to simulate the interactions of all aspects of life, human economic activity, climate, and other physical processes on the planet Earth as part of the FuturICT project, in response to the European FP7 "Future and Emerging Technologies ... | Living Earth Simulator Project | Technology | 168 |
19,609,364 | https://en.wikipedia.org/wiki/Q-Charlier%20polynomials | In mathematics, the q-Charlier polynomials are a family of basic hypergeometric orthogonal polynomials in the basic Askey scheme. give a detailed list of their properties.
Definition
The polynomials are given in terms of the basic hypergeometric function by
References
Orthogonal polynomials
Q-analogs
Special hyper... | Q-Charlier polynomials | Mathematics | 63 |
248,189 | https://en.wikipedia.org/wiki/Gaia%20hypothesis | The Gaia hypothesis (), also known as the Gaia theory, Gaia paradigm, or the Gaia principle, proposes that living organisms interact with their inorganic surroundings on Earth to form a synergistic and self-regulating complex system that helps to maintain and perpetuate the conditions for life on the planet.
The Gaia ... | Gaia hypothesis | Chemistry,Astronomy,Biology,Environmental_science | 8,460 |
36,758,083 | https://en.wikipedia.org/wiki/Y%20Sagittarii | Y Sagittarii is a variable star in the constellation of Sagittarius. It is a Cepheid variable with an apparent magnitude that ranges around +5.77. The measure of its parallax by Hubble Space Telescope puts Y Sagittarii to 1,293 light-years away from the Solar System.
The brightness ranges in Y Sagittarii's apparent m... | Y Sagittarii | Astronomy | 346 |
1,748,160 | https://en.wikipedia.org/wiki/Cell%20junction | Cell junctions or junctional complexes are a class of cellular structures consisting of multiprotein complexes that provide contact or adhesion between neighboring cells or between a cell and the extracellular matrix in animals. They also maintain the paracellular barrier of epithelia and control paracellular transport... | Cell junction | Biology | 2,123 |
39,726,151 | https://en.wikipedia.org/wiki/Negative%20hypergeometric%20distribution | In probability theory and statistics, the negative hypergeometric distribution describes probabilities for when sampling from a finite population without replacement in which each sample can be classified into two mutually exclusive categories like Pass/Fail or Employed/Unemployed. As random selections are made from th... | Negative hypergeometric distribution | Mathematics | 736 |
77,781,911 | https://en.wikipedia.org/wiki/Association%20of%20the%20Electrical%20and%20Digital%20Industry | ZVEI e. V., the German Electrical and Electronic Manufacturers' Association (formerly: German Electrical and Electronic Manufacturers' Association), represents the economic, technological and environmental interests of the German electrical and digital industry. With 910,400 employees across Germany and a total turnove... | Association of the Electrical and Digital Industry | Engineering | 746 |
67,067,209 | https://en.wikipedia.org/wiki/Methyl%20isonicotinate | Methyl isonicotinate is a toxic compound, which is used as a semiochemical. Other names for this compound are 4-pyridine carboxylic acid, and isonicotinic acid methyl ester. This compound is slightly toxic to the human body. It has an irritating effect on the eyes, skin, and respiratory tract. Moreover, the compound is... | Methyl isonicotinate | Chemistry | 1,225 |
41,217,061 | https://en.wikipedia.org/wiki/Brochiraja%20aenigma | Brochiraja aenigma, also known as the Enigma skate, is a skate known from a single specimen recently identified in 2006. Based on the single specimen, its range includes at least the Wanganella Bank on the Norfolk Ridge. It is rare with further searches finding no specimens, and while it is not commonly fished or repor... | Brochiraja aenigma | Biology | 128 |
72,010,909 | https://en.wikipedia.org/wiki/Fuzzy%20differential%20equation | Fuzzy differential equation are general concept of ordinary differential equation in mathematics defined as differential inclusion for non-uniform upper hemicontinuity convex set with compactness in fuzzy set.
for all .
First order fuzzy differential equation
A first order fuzzy differential equation with real cons... | Fuzzy differential equation | Mathematics | 136 |
42,241,725 | https://en.wikipedia.org/wiki/Power-over-fiber | Power-over-fiber, or PoF, is a technology in which a fiber-optic cable carries optical power, which is used as an energy source rather than, or as well as, carrying data. This allows a device to be remotely powered, while providing electrical isolation between the device and the power supply. Such systems can be used t... | Power-over-fiber | Physics,Engineering | 158 |
42,170,895 | https://en.wikipedia.org/wiki/Curved%20screen | A curved screen is an electronic display device that, contrasting with the flat-panel display, features a concave viewing surface. Curved screen TVs were introduced to the consumer market in 2013, primarily due to the efforts of Korean companies Samsung and LG, while curved screen projection displays, such as the Ciner... | Curved screen | Technology,Engineering | 1,085 |
51,172,491 | https://en.wikipedia.org/wiki/Amanda%20Swart | Amanda Cecilia Swart is a South African biochemist who holds a professorship in biochemistry at Stellenbosch University. She is known for her research on rooibos, a herbal tea popular in South Africa, has been funded by the South African Rooibos Council in her research, and is frequently quoted in South African media p... | Amanda Swart | Chemistry | 627 |
478,672 | https://en.wikipedia.org/wiki/Sphere%20eversion | In differential topology, sphere eversion is the process of turning a sphere inside out in a three-dimensional space (the word eversion means "turning inside out"). It is possible to smoothly and continuously turn a sphere inside out in this way (allowing self-intersections of the sphere's surface) without cutting or t... | Sphere eversion | Mathematics | 1,250 |
8,150,709 | https://en.wikipedia.org/wiki/Geek%20Pride%20Festival | The Geek Pride Festival was the name of a number of events between 1998 and 2000, organized by Tim McEachern and devoted to computer geek activities and interests. The name of the festival is most often associated with the large event held on March 31 and April 1, 2000, at the Park Plaza Castle in Boston, United States... | Geek Pride Festival | Technology | 653 |
20,841,681 | https://en.wikipedia.org/wiki/Phosacetim | Phosacetim is a toxic organophosphate compound, which acts as an acetylcholinesterase inhibitor and is used as a rodenticide.
References
Acetylcholinesterase inhibitors
Rodenticides
4-Chlorophenyl compounds
Phosphoramidothioates
Phenol ethers
Amidines | Phosacetim | Chemistry,Biology | 72 |
15,034,041 | https://en.wikipedia.org/wiki/Landing%20footprint | A landing footprint, also called a landing ellipse, is the area of uncertainty of a spacecraft's landing zone on an astronomical body. After atmospheric entry, the landing point of a spacecraft will depend upon the degree of control (if any), entry angle, entry mass, atmospheric conditions, and drag. (Note that the Moo... | Landing footprint | Engineering | 476 |
886,766 | https://en.wikipedia.org/wiki/Bell%20test | A Bell test, also known as Bell inequality test or Bell experiment, is a real-world physics experiment designed to test the theory of quantum mechanics in relation to Albert Einstein's concept of local realism. Named for John Stewart Bell, the experiments test whether or not the real world satisfies local realism, whic... | Bell test | Physics | 5,757 |
36,713,796 | https://en.wikipedia.org/wiki/Mean%20squared%20displacement | In statistical mechanics, the mean squared displacement (MSD, also mean square displacement, average squared displacement, or mean square fluctuation) is a measure of the deviation of the position of a particle with respect to a reference position over time. It is the most common measure of the spatial extent of random... | Mean squared displacement | Physics | 1,552 |
42,937,599 | https://en.wikipedia.org/wiki/HD%2097413 | HD 97413 is a binary star located in the southern constellation Centaurus. The system has a combined magnitude of 6.27, placing it near the limit for naked eye visibility. Based on parallax measurements from the Gaia spacecraft, the system is located 320 light years away from the Solar System.
The objects binarity was... | HD 97413 | Astronomy | 280 |
41,077,071 | https://en.wikipedia.org/wiki/Women%27s%20Network%20for%20Unity | The Women's Network for Unity (WNU) is a sex workers' organization in Cambodia which was established in 2000 and currently has about 6,400 members. It works against the stigmatization of sex work and lobbies for the legal and human rights of sex workers and for safer working conditions. Accordingly, the organization ai... | Women's Network for Unity | Biology | 205 |
40,490,659 | https://en.wikipedia.org/wiki/N-Methylmescaline | N-Methylmescaline is a phenethylamine isolated from Lophophora williamsii.
Legality
United States
N-Methylmescaline is illegal in the United States as it is a positional-isomer of Trimethoxyamphetamine, a regulated substance.
References
Phenethylamine alkaloids
Secondary amines
Methoxy compounds | N-Methylmescaline | Chemistry | 78 |
68,453,661 | https://en.wikipedia.org/wiki/Arnidiol | Arnidiol is a cytotoxic triterpene with the molecular formula C30H50O2. Arnidiol has been first isolated from the bloom of the plant Arnica montana. Arnidiol has also been isolated from the plant Taraxacum officinale.
References
Further reading
Triterpenes
Diols
Vinylidene compounds
Pentacyclic compounds | Arnidiol | Chemistry | 84 |
27,452,961 | https://en.wikipedia.org/wiki/American%20Council%20of%20Engineering%20Companies | The American Council of Engineering Companies (ACEC) is the oldest and largest business association of engineering companies. It is organized as a federation of 52 state and regional councils with national headquarters in Washington, D.C., comprising thousands of engineering practices throughout the country. It adminis... | American Council of Engineering Companies | Engineering | 1,753 |
2,665,788 | https://en.wikipedia.org/wiki/Gamma%20Serpentis | Gamma Serpentis (γ Serpentis, γ Ser) is a star in the equatorial constellation Serpens, in the part of the constellation that represents the serpent's head (Serpens Caput). It has an apparent visual magnitude +3.85, which means it is visible to the naked eye. Based upon parallax measurements by the Gaia spacecraft, thi... | Gamma Serpentis | Astronomy | 643 |
23,533,351 | https://en.wikipedia.org/wiki/Chamazulene | Chamazulene is an aromatic chemical compound with the molecular formula C14H16 found in a variety of plants including in chamomile (Matricaria chamomilla), wormwood (Artemisia absinthium), and yarrow (Achillea millefolium). It is a blue-violet derivative of azulene which is biosynthesized from the sesquiterpene matric... | Chamazulene | Chemistry | 124 |
15,062,436 | https://en.wikipedia.org/wiki/KAT8%20regulatory%20NSL%20complex%20subunit%201 | KAT8 regulatory NSL complex subunit 1 is a protein that in humans is encoded by the KANSL1 gene.
Interactions
KIAA1267 has been shown to interact with CCDC85B.
See also
KAT8
KAT8 regulatory NSL complex subunit 2
KAT8 regulatory NSL complex subunit 3
References
Further reading
Uncharacterize... | KAT8 regulatory NSL complex subunit 1 | Biology | 70 |
56,212,511 | https://en.wikipedia.org/wiki/Aspergillus%20dybowskii | Aspergillus dybowskii is a species of fungus in the genus Aspergillus which occurs in Southeast Asia.
References
Further reading
dybowskii
Fungi described in 1985
Fungus species | Aspergillus dybowskii | Biology | 43 |
691,974 | https://en.wikipedia.org/wiki/87P/Bus | Comet 87P/Bus is a periodic comet with an orbital period of 6.5 years. It fits the definition of an Encke-type comet with (TJupiter > 3; a < aJupiter). It was discovered by Schelte J. Bus in 1981 on a plate taken with the 1.2m UK Schmidt telescope at Siding Spring, Australia. The discovery was announced in IAU Circular... | 87P/Bus | Astronomy | 313 |
10,797,093 | https://en.wikipedia.org/wiki/Karamata%27s%20inequality | In mathematics, Karamata's inequality, named after Jovan Karamata, also known as the majorization inequality, is a theorem in elementary algebra for convex and concave real-valued functions, defined on an interval of the real line. It generalizes the discrete form of Jensen's inequality, and generalizes in turn to the ... | Karamata's inequality | Mathematics | 665 |
44,370 | https://en.wikipedia.org/wiki/Trefoil | A trefoil () is a graphic form composed of the outline of three overlapping rings, used in architecture, Pagan and Christian symbolism, among other areas. The term is also applied to other symbols with a threefold shape. A similar shape with four rings is called a quatrefoil.
Architecture
Ornamentation
'Trefoil' is a... | Trefoil | Mathematics | 579 |
377,537 | https://en.wikipedia.org/wiki/Hankel%20matrix | In linear algebra, a Hankel matrix (or catalecticant matrix), named after Hermann Hankel, is a n x m matrix in which each ascending skew-diagonal from left to right is constant. For example,
More generally, a Hankel matrix is any matrix of the form
In terms of the components, if the element of is denoted with , a... | Hankel matrix | Mathematics | 731 |
26,233,008 | https://en.wikipedia.org/wiki/Hexahydroxybenzene%20trisoxalate | Hexahydroxybenzene trisoxalate is a chemical compound, an oxide of carbon with formula . Its molecule consists of a benzene core with the six hydrogen atoms replaced by three oxalate groups. It can be seen as a sixfold ester of benzenehexol and oxalic acid.
The compound was first described by H. S. Verter and R. Domin... | Hexahydroxybenzene trisoxalate | Chemistry | 151 |
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