id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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56,095,737 | https://en.wikipedia.org/wiki/Claire%20Vallance | Claire Vallance is a professor of Physical Chemistry at the University of Oxford, Tutorial Fellow in Physical Chemistry at Hertford College, and past President of the Faraday Division of the Royal Society of Chemistry. In collaboration with professor Mark Brouard and others, she created the PImMS (Pixel Imaging Mass Sp... | Claire Vallance | Chemistry | 448 |
2,518,272 | https://en.wikipedia.org/wiki/Aeroacoustics | Aeroacoustics is a branch of acoustics that studies noise generation via either turbulent fluid motion or aerodynamic forces interacting with surfaces. Noise generation can also be associated with periodically varying flows. A notable example of this phenomenon is the Aeolian tones produced by wind blowing over fixed ... | Aeroacoustics | Physics,Chemistry,Engineering | 1,453 |
3,120,850 | https://en.wikipedia.org/wiki/Chronic%20wound | A chronic wound is a wound that does not progress through the normal stages of wound healing—haemostasis, inflammation, proliferation, and remodeling—in a predictable and timely manner. Typically, wounds that do not heal within three months are classified as chronic. Chronic wounds may remain in the inflammatory phase ... | Chronic wound | Biology | 4,987 |
38,331,380 | https://en.wikipedia.org/wiki/Bulletin%20of%20Earthquake%20Engineering | The Bulletin of Earthquake Engineering is a bimonthly peer-reviewed scientific journal published by Springer Science+Business Media on behalf of the European Association for Earthquake Engineering. It covers all aspects of earthquake engineering. It was established in 2003 and the editor-in-chief is Atilla Ansal (Ozyeg... | Bulletin of Earthquake Engineering | Engineering | 125 |
63,396,022 | https://en.wikipedia.org/wiki/Slicing%20the%20Truth | Slicing the Truth: On the Computability Theoretic and Reverse Mathematical Analysis of Combinatorial Principles is a book on reverse mathematics in combinatorics, the study of the axioms needed to prove combinatorial theorems. It was written by Denis R. Hirschfeldt, based on a course given by Hirschfeldt at the Nationa... | Slicing the Truth | Mathematics | 892 |
14,810,012 | https://en.wikipedia.org/wiki/GTF2H2 | General transcription factor IIH subunit 2 is a protein that in humans is encoded by the GTF2H2 gene.
Function
This gene is part of a 500 kb inverted duplication on chromosome 5q13. This duplicated region contains at least four genes and repetitive elements which make it prone to rearrangements and deletions. The re... | GTF2H2 | Chemistry,Biology | 300 |
3,144,661 | https://en.wikipedia.org/wiki/Yakov%20Frenkel |
Yakov Il'ich Frenkel (; 10 February 1894 – 23 January 1952) was a Soviet physicist renowned for his works in the field of condensed-matter physics. He is also known as Jacov Frenkel, frequently using the name J. Frenkel in publications in English.
Early years
He was born to a Jewish family in Rostov on Don, in the D... | Yakov Frenkel | Physics,Materials_science | 1,568 |
8,878,119 | https://en.wikipedia.org/wiki/Transit%20map | A transit map is a topological map in the form of a schematic diagram used to illustrate the routes and stations within a public transport system—whether this be bus, tram, rapid transit, commuter rail or ferry routes. Metro maps, subway maps, or tube maps of metropolitan railways are some common examples.
The primary... | Transit map | Mathematics | 1,587 |
9,384,649 | https://en.wikipedia.org/wiki/Europe%20PubMed%20Central | Europe PubMed Central (Europe PMC) is an open-access repository that contains millions of biomedical research works. It was known as UK PubMed Central until 1 November 2012.
Service
Europe PMC provides free access to more than 9.3 million full-text biomedical and life sciences research articles and over 43.3 million c... | Europe PubMed Central | Biology | 653 |
76,847,280 | https://en.wikipedia.org/wiki/64%20Ceti | 64 Ceti is a star located located in the constellation Cetus. Based on its spectral type of G0IV, it is a G-type star that has left the main sequence and evolved into a subgiant. It is located away, based on a parallax measured by Gaia DR3, and it is moving towards Earth at a velocity of 19km/s. The apparent magnitude... | 64 Ceti | Astronomy | 448 |
287,781 | https://en.wikipedia.org/wiki/Minitel | The Minitel, officially known as TELETEL, was an interactive videotex online service accessible through telephone lines. It was the world's first and most successful mass-market online service prior to the World Wide Web. It was developed in Cesson-Sévigné, Brittany, by government-owned France Télécom.
The service was... | Minitel | Technology | 5,362 |
46,533,388 | https://en.wikipedia.org/wiki/C1orf131 | Uncharacterized protein C1orf131 is a protein that in humans is encoded by the gene C1orf131. The first ortholog of this protein was discovered in humans. Subsequently, through the use of algorithms and bioinformatics, homologs of C1orf131 have been discovered in numerous species, and as a result, the name of the major... | C1orf131 | Biology | 867 |
603,940 | https://en.wikipedia.org/wiki/Mesosome | Mesosomes or chondrioids are folded invaginations in the plasma membrane of bacteria that are produced by the chemical fixation techniques used to prepare samples for electron microscopy. Although several functions were proposed for these structures in the 1960s, they were recognized as artifacts by the late 1970s and ... | Mesosome | Chemistry | 574 |
5,004,430 | https://en.wikipedia.org/wiki/John%20McWhirter%20%28mathematician%29 | See John McWhirter (disambiguation) for other people of the same name.
John Graham McWhirter (born 28 March 1949) is a British mathematician and engineer in the field of signal processing.
John McWhirter attended Newry High School. He graduated in mathematics from Queen's University Belfast in 1970, and did his PhD t... | John McWhirter (mathematician) | Engineering | 503 |
21,660,626 | https://en.wikipedia.org/wiki/Cisgenesis | Cisgenesis is a product designation for a category of genetically engineered plants. A variety of classification schemes have been proposed that order genetically modified organisms based on the nature of introduced genotypical changes, rather than the process of genetic engineering.
Cisgenesis (etymology: cis = same ... | Cisgenesis | Chemistry,Engineering,Biology | 588 |
12,170,296 | https://en.wikipedia.org/wiki/Glaser%20coupling | The Glaser coupling is a type of coupling reaction. It is by far one of the oldest coupling reactions and is based on copper compounds like copper(I) chloride or copper(I) bromide and an additional oxidant like air. The base used in the original research paper is ammonia and the solvent is water or an alcohol.
The reac... | Glaser coupling | Chemistry | 593 |
18,675,102 | https://en.wikipedia.org/wiki/Reference%20tone | A reference tone is a pure tone corresponding to a known frequency, and produced at a stable sound pressure level (volume), usually by specialized equipment.
In media
The most common reference tone in audio engineering is a at −20dB. It is meant to be used by audio engineers in order to adjust the playback equipment ... | Reference tone | Engineering | 328 |
31,345,089 | https://en.wikipedia.org/wiki/BS%208888 | BS 8888 is the British standard developed by the BSI Group for technical product documentation, geometric product specification, geometric tolerance specification and engineering drawings.
History
2008 update
A significant change in the 2008 revision is that there is no longer a requirement
1984
This updated version... | BS 8888 | Engineering | 217 |
49,584,006 | https://en.wikipedia.org/wiki/Dibutyrylmorphine | Dibutyrylmorphine (also known as dibutanoylmorphine) is the 3,6-dibutyryl ester of morphine, first synthesized by the CR Alders Wright organization in the United Kingdom in 1875.
In animal studies its potency as an analgesic is higher compared to morphine, but lower than that of heroin.
Its structure is similar to th... | Dibutyrylmorphine | Chemistry | 343 |
18,298 | https://en.wikipedia.org/wiki/Lunar%20eclipse | A lunar eclipse is an astronomical event that occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. Such an alignment occurs during an eclipse season, approximately every six months, during the full moon phase, when the Moon's orbital plane is closest to the plane of the Earth's orbit.
T... | Lunar eclipse | Astronomy | 2,999 |
380,683 | https://en.wikipedia.org/wiki/Endowment%20%28Mormonism%29 | In Mormonism, the endowment is a two-part ordinance designed for participants to become kings, queens, priests, and priestesses in the afterlife. As part of the first ceremony, participants take part in a scripted reenactment of the Biblical creation and fall of Adam and Eve. The ceremony includes a symbolic washing a... | Endowment (Mormonism) | Astronomy | 5,908 |
29,491,519 | https://en.wikipedia.org/wiki/Hypercycle%20%28chemistry%29 | In chemistry, a hypercycle is an abstract model of organization of self-replicating molecules connected in a cyclic, autocatalytic manner. It was introduced in an ordinary differential equation (ODE) form by the Nobel Prize in Chemistry winner Manfred Eigen in 1971 and subsequently further extended in collaboration wit... | Hypercycle (chemistry) | Mathematics,Biology | 6,823 |
39,082,112 | https://en.wikipedia.org/wiki/Tubercle%20effect | The tubercle effect is a phenomenon where tubercles or large 'bumps' on the leading edge of an airfoil can improve its aerodynamics. The effect, while already discovered, was analyzed extensively by Frank E. Fish et al in the early 2000 onwards. The tubercle effect works by channeling flow over the airfoil into more na... | Tubercle effect | Chemistry,Engineering | 1,732 |
6,139,571 | https://en.wikipedia.org/wiki/Nexus%20file | The extensible NEXUS file format is widely used in bioinformatics. It stores information about taxa, morphological and molecular characters, distances, genetic codes, assumptions, sets, trees, etc. Several popular phylogenetic programs such as PAUP*, MrBayes, Mesquite, MacClade and SplitsTree use this format.
Syntax
... | Nexus file | Engineering,Biology | 410 |
2,154,572 | https://en.wikipedia.org/wiki/Nanobiotechnology | Nanobiotechnology, bionanotechnology, and nanobiology are terms that refer to the intersection of nanotechnology and biology. Given that the subject is one that has only emerged very recently, bionanotechnology and nanobiotechnology serve as blanket terms for various related technologies.
This discipline helps to indi... | Nanobiotechnology | Materials_science,Engineering,Biology | 4,320 |
4,216,648 | https://en.wikipedia.org/wiki/Gulose | Gulose is an aldohexose sugar. It is a monosaccharide that is very rare in nature, but has been found in archaea, bacteria and eukaryotes. It also exists as a syrup with a sweet taste. It is soluble in water and slightly soluble in methanol. Neither the - nor -forms are fermentable by yeast.
D-Gulose is a C-3 epimer o... | Gulose | Chemistry | 123 |
35,333,512 | https://en.wikipedia.org/wiki/Slow%20strain%20rate%20testing | Slow strain rate testing (SSRT), also called constant extension rate tensile testing (CERT), is a popular test used by research scientists to study stress corrosion cracking. It involves a slow (compared to conventional tensile tests) dynamic strain applied at a constant extension rate in the environment of interest. T... | Slow strain rate testing | Chemistry,Materials_science,Engineering | 550 |
8,337,647 | https://en.wikipedia.org/wiki/Average%20path%20length | Average path length, or average shortest path length is a concept in network topology that is defined as the average number of steps along the shortest paths for all possible pairs of network nodes. It is a measure of the efficiency of information or mass transport on a network.
Concept
Average path length is one of... | Average path length | Mathematics | 515 |
20,770,146 | https://en.wikipedia.org/wiki/Robot%20Award | Robot Award is an annual awards event set up by Japan's Ministry of Economy, Trade and Industry (METI) in 2006. It aims to promote research and development for the commercialization of robots and the use of robotics. In 2008, eight winners were selected from 65 applications.
Robots that have provided outstanding servi... | Robot Award | Engineering | 279 |
78,259,344 | https://en.wikipedia.org/wiki/Luxdegalutamide | Luxdegalutamide, also known as ARV-766, is an investigational oral androgen receptor (AR) degrader being developed by Arvinas for the treatment of metastatic castration-resistant prostate cancer (mCRPC). It belongs to a class of drugs called proteolysis targeting chimeras (PROTACs), which are designed to selectively de... | Luxdegalutamide | Chemistry | 233 |
49,253,142 | https://en.wikipedia.org/wiki/Zinc%20finger%20protein%20112 | Zinc finger protein 112 is a protein that in humans is encoded by the ZNF112 gene.
References
Further reading
Proteins | Zinc finger protein 112 | Chemistry | 27 |
155,835 | https://en.wikipedia.org/wiki/Becquerel | The becquerel (; symbol: Bq) is the unit of radioactivity in the International System of Units (SI). One becquerel is defined as an activity of one per second, on average, for aperiodic activity events referred to a radionuclide. For applications relating to human health this is a small quantity, and SI multiples of th... | Becquerel | Chemistry,Mathematics | 939 |
62,398,551 | https://en.wikipedia.org/wiki/International%20Society%20for%20Sexual%20Medicine | The International Society for Sexual Medicine (ISSM) is a medical society devoted to the study of the medicine of human sexuality. It publishes two journals, The Journal of Sexual Medicine, and the open-access Sexual Medicine Reviews. It was founded in 1978 and was formerly known as the ISIR/ISSIR.
References
Medica... | International Society for Sexual Medicine | Biology | 76 |
1,448,702 | https://en.wikipedia.org/wiki/Iterated%20function | In mathematics, an iterated function is a function that is obtained by composing another function with itself two or several times. The process of repeatedly applying the same function is called iteration. In this process, starting from some initial object, the result of applying a given function is fed again into the ... | Iterated function | Physics,Mathematics | 2,564 |
60,914,866 | https://en.wikipedia.org/wiki/Vadim%20Utkin | Vadim Ivanovich Utkin (; 30 October 1937 – 18 September 2022) was a Russian-American control theorist, electrical engineer and a professor of Electrical Engineering and Mechanical Engineering at the Ohio State University. He is best known for being one of the originators of Sliding Mode Control and Variable Structure S... | Vadim Utkin | Engineering | 281 |
39,086,408 | https://en.wikipedia.org/wiki/Samsung%20Galaxy%20Mega | The Samsung Galaxy Mega is an Android-based phablet that was manufactured and released by Samsung. It was announced on April 11, 2013. The original model featured a screen, though a revised version was released with a screen. It has a 1,280×720 screen, a dual-core 1.7 GHz processor and an 8-megapixel camera. The phon... | Samsung Galaxy Mega | Technology | 1,170 |
30,083,828 | https://en.wikipedia.org/wiki/Tricholosporum%20longicystidiosum | Tricholosporum longicystidiosum is a species of fungus in the family Tricholomataceae. Found in Mexico, it was described as new to science in 1990.
References
External links
longicystidiosum
Fungi of North America
Fungi described in 1990
Fungus species | Tricholosporum longicystidiosum | Biology | 60 |
23,949,345 | https://en.wikipedia.org/wiki/Instituto%20Nacional%20de%20Sismolog%C3%ADa%2C%20Vulcanolog%C3%ADa%2C%20Meteorolog%C3%ADa%20e%20Hidrolog%C3%ADa | The National Institute for Seismology, Vulcanology, Meteorology and Hydrology of Guatemala (in Spanish: Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH)) is a scientific agency of the Guatemalan government. The agency was created to study and monitor atmospheric, geophysical and hyd... | Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología | Environmental_science | 189 |
15,143,012 | https://en.wikipedia.org/wiki/Overlapping%20distribution%20method | The Overlapping distribution method was introduced by Charles H. Bennett for estimating chemical potential.
Theory
For two N particle systems 0 and 1 with partition function and ,
from
get the thermodynamic free energy difference is
For every configuration visited during this sampling of system 1 we can com... | Overlapping distribution method | Chemistry | 125 |
5,976,324 | https://en.wikipedia.org/wiki/Adder%20stone | An adder stone is a type of stone, usually glassy, with a naturally occurring hole through it. Such stones, which usually consist of flint, have been discovered by archaeologists in both Britain and Egypt. Commonly, they are found in Northern Germany at the coasts of the North and Baltic Seas.
In Britain they are also... | Adder stone | Physics | 1,171 |
2,567,156 | https://en.wikipedia.org/wiki/Inter-working%20function | The inter-working function (IWF) is a method for interfacing a wireless telecommunication network with the public switched telephone network (PSTN). The IWF converts the data transmitted over the air interface into a format suitable for the PSTN.
IWF contains both the hardware and software elements that provide the ra... | Inter-working function | Technology,Engineering | 198 |
59,159,271 | https://en.wikipedia.org/wiki/From%20Fauna | From Fauna, formerly known as the Cellular Agriculture Society, is an international 501(c)(3) organization that has been involved in research, funding, advancement of, and most recently education in, cellular agriculture. It is based in San Francisco, and was founded by Kris Spiros in the early 2010s.
In 2023, the Cel... | From Fauna | Engineering,Biology | 156 |
3,790,249 | https://en.wikipedia.org/wiki/Saltern | A saltern is an area or installation for making salt. Salterns include modern salt-making works (saltworks), as well as hypersaline waters that usually contain high concentrations of halophilic microorganisms, primarily haloarchaea but also other halophiles including algae and bacteria.
Salterns usually begin with sea... | Saltern | Chemistry | 484 |
52,348,387 | https://en.wikipedia.org/wiki/Australasian%20Tunnelling%20Society | In 1973 the Institution of Engineers Australia (now Engineers Australia) and the Australasian Institute of Mining and Metallurgy (AusIMM) collaborated in the formation of the Australian Tunnelling Association. It is a professional organization of engineers and other skilled professionals committed to the maintenance o... | Australasian Tunnelling Society | Engineering | 177 |
7,813,346 | https://en.wikipedia.org/wiki/Automatic%20message%20accounting | Automatic message accounting (AMA) provides detailed accounting for telephone calls. When direct distance dialing (DDD) was introduced in the US, message registers no longer sufficed for dialed telephone calls. The need to record the time and phone number of each long-distance call was met by electromechanical data pr... | Automatic message accounting | Technology | 1,362 |
61,198,684 | https://en.wikipedia.org/wiki/Irina%20Grigorieva%20%28academic%29 | Irina Grigorieva, Lady Geim is a Professor of Physics at the University of Manchester and Director of the Engineering and Physical Sciences Research Council Centre for Doctoral Training in Science and the Applications of Graphene. She was awarded the 2019 David Tabor Medal and Prize of the Institute of Physics and was ... | Irina Grigorieva (academic) | Materials_science,Technology | 582 |
228,569 | https://en.wikipedia.org/wiki/Conversation | Conversation is interactive communication between two or more people. The development of conversational skills and etiquette is an important part of socialization. The development of conversational skills in a new language is a frequent focus of language teaching and learning. Conversation analysis is a branch of socio... | Conversation | Biology | 2,497 |
4,668,395 | https://en.wikipedia.org/wiki/Sequential%20space | In topology and related fields of mathematics, a sequential space is a topological space whose topology can be completely characterized by its convergent/divergent sequences. They can be thought of as spaces that satisfy a very weak axiom of countability, and all first-countable spaces (notably metric spaces) are seque... | Sequential space | Mathematics | 2,525 |
3,140,754 | https://en.wikipedia.org/wiki/Intermedia%20%28hypertext%29 | Intermedia was the third notable hypertext project to emerge from Brown University, after HES (1967) and FRESS (1969). Intermedia was started in 1985 by Norman Meyrowitz, who had been associated with sooner hypertext research at Brown. The Intermedia project coincided with the establishment of the Institute for Researc... | Intermedia (hypertext) | Technology | 758 |
5,211,259 | https://en.wikipedia.org/wiki/Ethionamide | Ethionamide is an antibiotic used to treat tuberculosis. Specifically it is used, along with other antituberculosis medications, to treat active multidrug-resistant tuberculosis. It is no longer recommended for leprosy. It is taken by mouth.
Ethionamide has a high rate of side effects. Common side effects include naus... | Ethionamide | Chemistry | 1,027 |
63,799 | https://en.wikipedia.org/wiki/Immunoperoxidase | Immunoperoxidase is a type of immunostain used in molecular biology, medical research, and clinical diagnostics. In particular, immunoperoxidase reactions refer to a sub-class of immunohistochemical or immunocytochemical procedures in which the antibodies are visualized via a peroxidase-catalyzed reaction.
Immunohisto... | Immunoperoxidase | Chemistry | 873 |
10,116 | https://en.wikipedia.org/wiki/Endocytosis | Endocytosis is a cellular process in which substances are brought into the cell. The material to be internalized is surrounded by an area of cell membrane, which then buds off inside the cell to form a vesicle containing the ingested materials. Endocytosis includes pinocytosis (cell drinking) and phagocytosis (cell eat... | Endocytosis | Chemistry,Biology | 2,865 |
27,230,828 | https://en.wikipedia.org/wiki/Funky%20caching | Funky caching is the generation, display and storage of dynamic content when a requested static web page resource isn't available.
The name is based on the idea of treating the web server, serving static pages, as a cache. However, unlike common reverse caches, the funky cache is part of the web server software, and ... | Funky caching | Technology | 378 |
78,220,898 | https://en.wikipedia.org/wiki/4-Hydroxytryptamine | 4-Hydroxytryptamine (4-HT, 4-HTA), also known as N,N-didesmethylpsilocin, is a naturally occurring tryptamine alkaloid. It is closely related chemically to the neurotransmitter serotonin, the psychedelic psilocin, and is the active form of the tryptamine alkaloid norbaeocystin.
The compound is a serotonin receptor ago... | 4-Hydroxytryptamine | Chemistry | 731 |
70,325,208 | https://en.wikipedia.org/wiki/J.%20Arthur%20Reavell | James Arthur Reavell (10 June 1872—26 August 1973) M.I.Mech.E., M.I.Chem.E., F.Inst.F., F.I.M. was a British chemical engineer, who created a major company and was one of the founders and a president of the Institution of Chemical Engineers.
Life
Reavell was born 10 June 1872 in Alnwick, the son of George and Martha R... | J. Arthur Reavell | Chemistry,Engineering | 535 |
41,746,913 | https://en.wikipedia.org/wiki/Four-spiral%20semigroup | In mathematics, the four-spiral semigroup is a special semigroup generated by four idempotent elements. This special semigroup was first studied by Karl Byleen in a doctoral dissertation submitted to the University of Nebraska in 1977. It has several interesting properties: it is one of the most important examples of ... | Four-spiral semigroup | Mathematics | 1,263 |
6,077,451 | https://en.wikipedia.org/wiki/Medication%20package%20insert | A package insert is a document included in the package of a medication that provides information about that drug and its use. For prescription medications, the insert is technical, providing information for medical professionals about how to prescribe the drug. Package inserts for prescription drugs often include a se... | Medication package insert | Biology | 1,620 |
985,616 | https://en.wikipedia.org/wiki/Ceric%20ammonium%20nitrate | Ceric ammonium nitrate (CAN) is the inorganic compound with the formula . This orange-red, water-soluble cerium salt is a specialised oxidizing agent in organic synthesis and a standard oxidant in quantitative analysis.
Preparation, properties, and structure
The anion is generated by dissolving in hot and concentrat... | Ceric ammonium nitrate | Chemistry | 863 |
2,821,615 | https://en.wikipedia.org/wiki/Electrochemical%20gradient | An electrochemical gradient is a gradient of electrochemical potential, usually for an ion that can move across a membrane. The gradient consists of two parts:
The chemical gradient, or difference in solute concentration across a membrane.
The electrical gradient, or difference in charge across a membrane.
If there ... | Electrochemical gradient | Physics,Chemistry,Mathematics,Biology | 2,591 |
7,004,848 | https://en.wikipedia.org/wiki/F%C3%A1inne | (; pl. Fáinní but often Fáinnes in English) is the name of a pin badge worn to show fluency in, or a willingness to speak, the Irish language.
The three modern versions of the pin as relaunched in 2014 by Conradh na Gaeilge are the Fáinne Óir (gold circle), Seanfháinne (old fáinne/circle) and Fáinne Airgid (silver cir... | Fáinne | Mathematics | 1,888 |
29,574,235 | https://en.wikipedia.org/wiki/Ministry%20of%20Energy%20%28Azerbaijan%29 | The Ministry of Energy of Azerbaijan Republic () is a governmental agency within the Cabinet of Azerbaijan in charge of regulating the activities in the industry of production and energy sector of Azerbaijan Republic. The ministry is headed by Parviz Shahbazov.
History
The ministry was established according to the Pre... | Ministry of Energy (Azerbaijan) | Engineering | 922 |
289,419 | https://en.wikipedia.org/wiki/Firestorm | A firestorm is a conflagration which attains such intensity that it creates and sustains its own wind system. It is most commonly a natural phenomenon, created during some of the largest bushfires and wildfires. Although the term has been used to describe certain large fires, the phenomenon's determining characteristic... | Firestorm | Chemistry | 5,246 |
21,922,289 | https://en.wikipedia.org/wiki/R-Gator | The iRobot R-Gator is an unmanned robotic platform from iRobot Corporation and John Deere.
Technical details
The robot is built upon Deere's M-Gator currently in use by the US Military. The R-Gator can operate autonomously, performing perimeter patrol and other missions while keeping personnel out of harm's way. It... | R-Gator | Engineering | 252 |
18,865,257 | https://en.wikipedia.org/wiki/Explosion%20crater | An explosion crater is a type of crater formed when material is ejected from the surface of the ground by an explosion at or immediately above or below the surface.
A crater is formed by an explosion through the displacement and ejection of material from the ground. It is typically bowl-shaped. High-pressure gas and... | Explosion crater | Chemistry | 290 |
43,725,144 | https://en.wikipedia.org/wiki/Seeblatt | (, German for 'lake leaf', plural ; ; ; East Frisian: Pupkeblad) is the term for the stylized leaf of a water lily, used as a charge in heraldry.
Background
This charge is used in the heraldry of Germany, the Netherlands and Scandinavia, but not so much in France and Britain. Seeblätter feature prominently on the coa... | Seeblatt | Mathematics | 328 |
13,532,062 | https://en.wikipedia.org/wiki/Carbarsone | Carbarsone is an organoarsenic compound used as an antiprotozoal drug for treatment of amebiasis and other infections. It was available for amebiasis in the United States as late as 1991. Thereafter, it remained available as a turkey feed additive for increasing weight gain and controlling histomoniasis (blackhead di... | Carbarsone | Chemistry,Biology | 216 |
211,566 | https://en.wikipedia.org/wiki/Direct%20limit | In mathematics, a direct limit is a way to construct a (typically large) object from many (typically smaller) objects that are put together in a specific way. These objects may be groups, rings, vector spaces or in general objects from any category. The way they are put together is specified by a system of homomorphis... | Direct limit | Mathematics | 1,663 |
5,260,835 | https://en.wikipedia.org/wiki/Solitary%20tract | The solitary tract (tractus solitarius or fasciculus solitarius) is a compact fiber bundle that extends longitudinally through the posterolateral region of the medulla oblongata. The solitary tract is surrounded by the solitary nucleus, and descends to the upper cervical segments of the spinal cord. It was first named... | Solitary tract | Biology | 362 |
29,635,297 | https://en.wikipedia.org/wiki/S-tag | S-tag is the name of an oligopeptide derived from pancreatic ribonuclease A (RNase A).
If RNase A is digested with subtilisin, a single peptide bond is cleaved, but the resulting two products remain weakly bound to each other and the protein, called ribonuclease S, remains active although each of the two products alo... | S-tag | Chemistry | 319 |
39,093,199 | https://en.wikipedia.org/wiki/Mathematical%20Q%20models | Mathematical Q models provide a model of the earth's response to seismic waves. In reflection seismology, the anelastic attenuation factor, often expressed as seismic quality factor or Q, which is inversely proportional to attenuation factor, quantifies the effects of anelastic attenuation on the seismic wavelet cause... | Mathematical Q models | Physics | 1,147 |
18,788,210 | https://en.wikipedia.org/wiki/International%20Committee%20for%20the%20History%20of%20Technology | The International Committee for the History of Technology (ICOHTEC) is an UNESCO-based non-profit-organization of scholars working on the history of technology. It was founded in Paris in 1968, when the Cold War divided the nations in the Eastern and Western worlds. At that time, ICOHTEC provided a forum for scholars o... | International Committee for the History of Technology | Technology | 1,070 |
1,714,439 | https://en.wikipedia.org/wiki/Samarium%E2%80%93cobalt%20magnet | A samarium–cobalt (SmCo) magnet, a type of rare-earth magnet, is a strong permanent magnet made of two basic elements: samarium and cobalt.
They were developed in the early 1960s based on work done by Karl Strnat at Wright-Patterson Air Force Base and Alden Ray at the University of Dayton. In particular, Strnat and Ra... | Samarium–cobalt magnet | Physics,Chemistry,Materials_science,Engineering | 1,830 |
8,582,679 | https://en.wikipedia.org/wiki/PowerColor | PowerColor is a Taiwanese graphics card brand established in 1997 by TUL Corporation (撼訊科技), based in New Taipei, Taiwan. PowerColor maintains office locations in a number of countries, including Taiwan, the Netherlands and the United States. The United States branch is located in City of Industry, California and serve... | PowerColor | Technology | 327 |
76,053,547 | https://en.wikipedia.org/wiki/JNJ-20788560 | JNJ-20788560 is a potent opioid drug selective for the delta opioid receptor.
Mechanism of action
It works by activating opioid receptors, but it is selective for the δ-opioid receptor. This selectivity allows this drug to have less side effects than opioids such as morphine.
Tests have revealed that JNJ-20788560 do... | JNJ-20788560 | Chemistry | 140 |
4,918,930 | https://en.wikipedia.org/wiki/Sophia%20Brahe | Sophia (or Sophie) Thott Lange (; 24 August 1559 or 22 September 1556 – 1643), known by her maiden name, was a Danish noblewoman and horticulturalist with knowledge of astronomy, chemistry, and medicine. She worked alongside her brother Tycho Brahe in making astronomical observations.
Life
She was born in Knudstrup Ca... | Sophia Brahe | Astronomy | 2,857 |
1,426,278 | https://en.wikipedia.org/wiki/Bionic%20Tower | The Bionic Tower (Spanish: Torre Biónica; Chinese: 仿生塔) was an imagined vertical city, designed for human habitation by Spanish architects Eloy Celaya, María Rosa Cervera and Javier Gómez. It would have a main tower high, with 300 stories housing approximately 100,000 people. The purpose of the Bionic Tower was to uti... | Bionic Tower | Technology | 534 |
3,007,213 | https://en.wikipedia.org/wiki/Electric%20discharge | In electromagnetism, an electric discharge is the release and transmission of electricity in an applied electric field through a medium such as a gas (i.e., an outgoing flow of electric current through a non-metal medium).
Applications
The properties and effects of electric discharges are useful over a wide range of ... | Electric discharge | Physics | 374 |
4,908,574 | https://en.wikipedia.org/wiki/The%20Eyes%20of%20Darkness | The Eyes of Darkness is a thriller novel by American writer Dean Koontz, released in 1981. The book focuses on a mother who sets out on a quest to find out if her son indeed died one year ago, or if he's still alive.
Plot
A year after her son Danny dies in an alleged accident on a camping trip, stage producer Tina Eva... | The Eyes of Darkness | Biology | 599 |
21,937,394 | https://en.wikipedia.org/wiki/Toxin%20Reviews | Toxin Reviews is a quarterly peer-reviewed medical journal covering research on multidisciplinary research in the area of toxins derived from animals, plants and microorganisms. The aim is to publish reviews that are of broad interest and importance to the toxicology as well as other life science communities. Toxin Rev... | Toxin Reviews | Environmental_science | 277 |
9,471,618 | https://en.wikipedia.org/wiki/Wildlife%20of%20Myanmar | The wildlife of Myanmar includes its flora and fauna and their natural habitats.
Flora
Like all Southeastern Asian forests, the forests of Myanmar can be divided into two categories: monsoon forest and rainforest. Monsoon forest is dry at least three months a year, and is dominated by deciduous trees. Rainforest has... | Wildlife of Myanmar | Biology | 314 |
1,131,331 | https://en.wikipedia.org/wiki/Position%20error | Position error is one of the errors affecting the systems in an aircraft for measuring airspeed and altitude. It is not practical or necessary for an aircraft to have an airspeed indicating system and an altitude indicating system that are exactly accurate. A small amount of error is tolerable. It is caused by the lo... | Position error | Physics,Technology,Engineering | 999 |
8,238,982 | https://en.wikipedia.org/wiki/Decomposition%20matrix | In mathematics, and in particular modular representation theory, a decomposition matrix is a matrix that results from writing the irreducible ordinary characters in terms of the irreducible modular characters, where the entries of the two sets of characters are taken to be over all conjugacy classes of elements of orde... | Decomposition matrix | Mathematics | 119 |
84,566 | https://en.wikipedia.org/wiki/Killer%20application | A killer application (often shortened to killer app) is any software that is so necessary or desirable that it proves the core value of some larger technology, such as its host computer hardware, video game console, software platform, or operating system. Consumers would buy the host platform just to access that applic... | Killer application | Technology | 2,079 |
70,426,361 | https://en.wikipedia.org/wiki/Dry%20stone%20hut | Types of dry stone hut include:
Clochán, associated with the south-western Irish seaboard
Mitato, found in Greece, especially on the mountains of Crete
Orri, associated with Ariège, France
Shielings in Scotland
Trulli, in Apulia, Italy
stone made roundavel in sotho culture
Uses of dry-stone huts include temporar... | Dry stone hut | Engineering | 137 |
30,292,595 | https://en.wikipedia.org/wiki/Ising%20critical%20exponents | This article lists the critical exponents of the ferromagnetic transition in the Ising model. In statistical physics, the Ising model is the simplest system exhibiting a continuous phase transition with a scalar order parameter and symmetry. The critical exponents of the transition are universal values and characteriz... | Ising critical exponents | Physics | 486 |
57,222,451 | https://en.wikipedia.org/wiki/NGC%204886 | NGC 4886 is an elliptical galaxy located about 327 million light-years away in the constellation Coma Berenices. NGC 4886 was discovered by astronomer Heinrich d'Arrest on April 6, 1864. It was then rediscovered by d'Arrest on April 22, 1865, and was listed as NGC 4882. NGC 4886 is a member of the Coma Cluster.
See al... | NGC 4886 | Astronomy | 120 |
35,683,859 | https://en.wikipedia.org/wiki/Unparser | In computing, an unparser is a system that constructs a set of characters or image components from a given parse tree.
An unparser is in effect the reverse of a traditional parser that takes a set of string of characters and produces a parse tree. Unparsing generally involves the application of a specific set of rules... | Unparser | Technology | 170 |
9,173,273 | https://en.wikipedia.org/wiki/Coronal%20loop | In solar physics, a coronal loop is a well-defined arch-like structure in the Sun's atmosphere made up of relatively dense plasma confined and isolated from the surrounding medium by magnetic flux tubes. Coronal loops begin and end at two footpoints on the photosphere and project into the transition region and lower co... | Coronal loop | Physics,Astronomy | 1,594 |
40,430,374 | https://en.wikipedia.org/wiki/Macromomycin%20B | Macromomycin B is an antibiotic with anticancer activity.
References
Antibiotics
Vinylidene compounds | Macromomycin B | Chemistry,Biology | 23 |
984,020 | https://en.wikipedia.org/wiki/What%20the%20Bleep%20Do%20We%20Know%21%3F | What the Bleep Do We Know!? (stylized as What tнē #$*! D̄ө ωΣ (k)πow!? and What the #$*! Do We Know!?) is a 2004 American pseudo-scientific film that posits a spiritual connection between quantum physics and consciousness (as part of a belief system known as quantum mysticism). The plot follows the fictional story of a... | What the Bleep Do We Know!? | Physics | 3,580 |
4,050,658 | https://en.wikipedia.org/wiki/Chakravala%20method | The chakravala method () is a cyclic algorithm to solve indeterminate quadratic equations, including Pell's equation. It is commonly attributed to Bhāskara II, (c. 1114 – 1185 CE) although some attribute it to Jayadeva (c. 950 ~ 1000 CE). Jayadeva pointed out that Brahmagupta's approach to solving equations of this ty... | Chakravala method | Mathematics | 2,072 |
3,421,375 | https://en.wikipedia.org/wiki/M1-92 | M1-92 (Minkowski 92), also known as Minkowski’s Footprint or the Footprint Nebula, is a bipolar protoplanetary nebula in the constellation of Cygnus. It is a type of reflection nebula, visible only by light reflected from the central star. The central star is not yet a white dwarf but is quickly becoming one. In a few ... | M1-92 | Astronomy | 764 |
75,418,219 | https://en.wikipedia.org/wiki/The%20Politics%20of%20Large%20Numbers | The Politics of Large Numbers:A History of Statistical Reasoning is a book by French statistician, sociologist and historian of science, Alain Desrosières, which was originally published in French in 1993. The English translation, by Camille Naish, was published in 1998 by Harvard University Press.
Synopsis
Alain Desr... | The Politics of Large Numbers | Mathematics,Technology | 545 |
14,101,118 | https://en.wikipedia.org/wiki/Green%20Revolution%20in%20India | The Green Revolution was a period that began in the 1960s during which agriculture in India was converted into a modern industrial system by the adoption of technology, such as the use of high yielding variety (HYV) seeds, mechanized farm tools, irrigation facilities, pesticides, and fertilizers. Mainly led by agricult... | Green Revolution in India | Chemistry | 2,148 |
54,238,399 | https://en.wikipedia.org/wiki/Gordon%20Center%20for%20Medical%20Imaging | The Gordon Center for Medical Imaging is an American multidisciplinary research center at Massachusetts General Hospital (MGH) and Harvard Medical School that develops biomedical imaging technologies.
The center's central activities include: research, training and education in medical imaging, and translation of basic... | Gordon Center for Medical Imaging | Engineering | 221 |
70,399,451 | https://en.wikipedia.org/wiki/SZ%20Piscium | SZ Piscium is a triple star system in the equatorial constellation of Pisces. The inner pair form a double-lined spectroscopic binary with an orbital period of 3.966 days. It is a detached Algol-type eclipsing binary of the RS Canum Venaticorum class with a subgiant component. (This means the pair have a close but sepa... | SZ Piscium | Astronomy | 596 |
118,695 | https://en.wikipedia.org/wiki/CONELRAD | CONELRAD (Control of Electromagnetic Radiation) was a method of emergency broadcasting to the public of the United States in the event of enemy attack during the Cold War. It was intended to allow continuous broadcast of civil defense information to the public using radio stations, while rapidly switching the transmitt... | CONELRAD | Technology,Engineering | 1,463 |
58,455,919 | https://en.wikipedia.org/wiki/Aspergillus%20falconensis | Aspergillus falconensis is a species of fungus in the genus Aspergillus. It is from the Nidulantes section. The species was first described in 1989. It has been reported to produce 3,30-Dihydroxy-5,50-dimethyldiphenyl ether, falconensin A-N, falconenson A-B, hopane-6α,7β,22-triol, hopane-7β,22-diol, mitorubrin, monomet... | Aspergillus falconensis | Biology | 197 |
20,805,702 | https://en.wikipedia.org/wiki/Zero-forcing%20precoding | Zero-forcing (or null-steering) precoding is a method of spatial signal processing by which a multiple antenna transmitter can null the multiuser interference in a multi-user MIMO wireless communication system. When the channel state information is perfectly known at the transmitter, the zero-forcing precoder is given ... | Zero-forcing precoding | Mathematics,Technology,Engineering | 900 |
1,945,670 | https://en.wikipedia.org/wiki/Sound%20transmission%20class | Sound Transmission Class (or STC) is an integer rating of how well a building partition attenuates airborne sound. In the US, it is widely used to rate interior partitions, ceilings, floors, doors, windows and exterior wall configurations. Outside the US, the ISO Sound Reduction Index (SRI) is used. The STC rating ver... | Sound transmission class | Engineering | 2,996 |
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