id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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42,177,410 | https://en.wikipedia.org/wiki/DNA%20base%20flipping | DNA base flipping, or nucleotide flipping, is a mechanism in which a single nucleotide base, or nucleobase, is rotated outside the nucleic acid double helix. This occurs when a nucleic acid-processing enzyme needs access to the base to perform work on it, such as its excision for replacement with another base during DN... | DNA base flipping | Chemistry,Biology | 2,499 |
25,394,740 | https://en.wikipedia.org/wiki/Spaghetti%20bridge | A spaghetti bridge is an architectural model of a bridge, made of uncooked spaghetti or other hard, dry, straight noodles. Bridges are constructed for both educational experiments and competitions. The aim is usually to construct a bridge with a specific quantity of materials over a specific span, that can sustain a lo... | Spaghetti bridge | Physics,Engineering | 571 |
69,426,301 | https://en.wikipedia.org/wiki/Japanese%20Federation%20of%20Chemical%20and%20General%20Workers%27%20Unions | The Japanese Federation of Chemical and General Workers' Unions (; Zenka Domei) was a trade union representing workers in various industries, especially the chemical industry, in Japan.
The union was established in 1951, affiliated with the Japanese Federation of Labour, and later, with the Japanese Confederation of L... | Japanese Federation of Chemical and General Workers' Unions | Chemistry | 143 |
5,565,333 | https://en.wikipedia.org/wiki/Squircle | A squircle is a shape intermediate between a square and a circle. There are at least two definitions of "squircle" in use, one based on the superellipse, the other arising from work in optics. The word "squircle" is a portmanteau of the words "square" and "circle". Squircles have been applied in design and optics.
Sup... | Squircle | Mathematics | 1,439 |
56,628,682 | https://en.wikipedia.org/wiki/Subfield%20of%20an%20algebra | In algebra, a subfield of an algebra A over a field F is an F-subalgebra that is also a field. A maximal subfield is a subfield that is not contained in a strictly larger subfield of A.
If A is a finite-dimensional central simple algebra, then a subfield E of A is called a strictly maximal subfield if .
References
... | Subfield of an algebra | Mathematics | 108 |
36,135,842 | https://en.wikipedia.org/wiki/NOTT-202 | NOTT-202 is a two-part chemical compound that is capable of selectively absorbing carbon dioxide. It is a metal–organic framework (MOF) that functions like a sponge, adsorbing selected gases at high pressures. Its creation was announced by scientists in 2012. The researchers claimed this structure was an entirely new ... | NOTT-202 | Chemistry,Materials_science,Engineering | 86 |
5,564,995 | https://en.wikipedia.org/wiki/Montignac%20diet | The Montignac diet is a high-protein low-carbohydrate fad diet that was popular in the 1990s, mainly in Europe. It was invented by Frenchman Michel Montignac (1944–2010), an international executive for the pharmaceutical industry, who, like his father, was overweight in his youth. His method is aimed at people wishing ... | Montignac diet | Chemistry | 1,213 |
25,599,293 | https://en.wikipedia.org/wiki/Constellation%20family | Constellation families are collections of constellations sharing some defining characteristic, such as proximity on the celestial sphere, common historical origin, or common mythological theme. In the Western tradition, most of the northern constellations stem from Ptolemy's list in the Almagest (which in turn has ro... | Constellation family | Astronomy | 1,702 |
14,526,992 | https://en.wikipedia.org/wiki/Adenosine%203%27%2C5%27-bisphosphate | Adenosine 3',5'-bisphosphate is a form of an adenosine nucleotide with two phosphate groups attached to different carbons in the ribose ring. This is distinct from adenosine diphosphate, where the two phosphate groups are attached in a chain to the 5' carbon atom in the ring.
Adenosine 3',5'-bisphosphate is produced a... | Adenosine 3',5'-bisphosphate | Chemistry | 199 |
67,720,453 | https://en.wikipedia.org/wiki/Photuris%20bethaniensis | Photuris bethaniensis, also known as the Bethany Beach firefly, is a species of firefly in the genus Photuris. It is found in interdunal swale habitats along a 25 kilometre stretch of shoreline in Sussex County, Delaware. It is extremely rare and in decline. The main threats to this species include habitat loss due to ... | Photuris bethaniensis | Biology | 302 |
15,947,535 | https://en.wikipedia.org/wiki/6-APA | 6-APA ((+)-6-aminopenicillanic acid) is a chemical compound used as an intermediate in the synthesis of β–lactam antibiotics. The major commercial source of 6-APA is still natural penicillin G. The semi-synthetic penicillins derived from 6-APA are also referred to as penicillins and are considered part of the penicilli... | 6-APA | Chemistry | 212 |
439,282 | https://en.wikipedia.org/wiki/Gully | A gully is a landform created by running water, mass movement, or commonly a combination of both eroding sharply into soil or other relatively erodible material, typically on a hillside or in river floodplains or terraces.
Gullies resemble large ditches or small valleys, but are metres to tens of metres in depth and ... | Gully | Environmental_science | 2,168 |
5,005,903 | https://en.wikipedia.org/wiki/%27t%20Hooft%20symbol | The t Hooft symbol is a collection of numbers which allows one to express the generators of the SU(2) Lie algebra in terms of the generators of Lorentz algebra. The symbol is a blend between the Kronecker delta and the Levi-Civita symbol. It was introduced by Gerard 't Hooft. It is used in the construction of the BPST ... | 't Hooft symbol | Mathematics | 255 |
59,605,831 | https://en.wikipedia.org/wiki/Pyramid%20wavefront%20sensor | A pyramid wavefront sensor is a type of a wavefront sensor. It measures the optical aberrations of an optical wavefront. This wavefront sensor uses a pyramidal prism with a large apex angle to split the beam into multiple parts at the geometric focus of a lens. A four-faceted prism, with its tip centered at the peak of... | Pyramid wavefront sensor | Astronomy,Technology,Engineering | 287 |
39,586,666 | https://en.wikipedia.org/wiki/Graphite-like%20zinc%20oxide%20nanostructure | Most of the synthesized Zinc oxide (ZnO) nanostructures in different geometric configurations such as nanowires, nanorods, nanobelts and nanosheets are usually in the wurtzite crystal structure. However, it was found from density functional theory calculations that for ultra-thin films of ZnO, the graphite-like structu... | Graphite-like zinc oxide nanostructure | Physics,Chemistry,Materials_science,Engineering | 368 |
55,647,358 | https://en.wikipedia.org/wiki/UT-88 | The UT-88 () is a DIY educational computer designed in the Soviet Union. Its description was published in YT dlya umelykh ruk (Young technical designer for skilled hands, ) — a supplement to Yunij Technik (Young technical designer, ) magazine in 1989. It was intended for building by school children of extracurricular h... | UT-88 | Technology | 226 |
32,093,342 | https://en.wikipedia.org/wiki/HAT-P-32b | HAT-P-32b is a planet orbiting the G-type or F-type star HAT-P-32, which is approximately 950 light years away from Earth. HAT-P-32b was first recognized as a possible planet by the planet-searching HATNet Project in 2004, although difficulties in measuring its radial velocity prevented astronomers from verifying the p... | HAT-P-32b | Astronomy | 1,918 |
1,543,903 | https://en.wikipedia.org/wiki/Ribbon%20development | Ribbon development refers to the building of houses along the routes of communications radiating from a human settlement. The resulting linear settlements are clearly visible on land use maps and aerial photographs, giving cities and the countryside a particular character. Such development generated great concern in th... | Ribbon development | Engineering | 1,174 |
7,992,036 | https://en.wikipedia.org/wiki/Integrodifference%20equation | In mathematics, an integrodifference equation is a recurrence relation on a function space, of the following form:
where is a sequence in the function space and is the domain of those functions. In most applications, for any , is a probability density function on . Note that in the definition above, can be vector... | Integrodifference equation | Mathematics | 444 |
32,182,651 | https://en.wikipedia.org/wiki/Clinical%20biophysics | Clinical biophysics is that branch of medical science that studies the action process and the effects of non-ionising physical energies utilised for therapeutic purposes.
Physical energy can be applied for diagnostic or therapeutic aims.
The principle on which clinical biophysics is based are represented by the recog... | Clinical biophysics | Physics,Biology | 329 |
1,009,552 | https://en.wikipedia.org/wiki/GNU%20Linear%20Programming%20Kit | The GNU Linear Programming Kit (GLPK) is a software package intended for solving large-scale linear programming (LP), mixed integer programming (MIP), and other related problems. It is a set of routines written in ANSI C and organized in the form of a callable library. The package is part of the GNU Project and is rele... | GNU Linear Programming Kit | Mathematics | 393 |
1,390,580 | https://en.wikipedia.org/wiki/Banana%20paper | Banana paper is a type of paper created from banana plant bark or banana peel fibers. Banana paper has a lower density, higher stiffness, higher disposability, higher renewability, and higher tensile strength compared to traditional paper. These qualities are due to the cellular composition of banana fiber, which consi... | Banana paper | Physics | 1,033 |
22,136,046 | https://en.wikipedia.org/wiki/June%202094%20lunar%20eclipse | A total lunar eclipse will occur at the Moon’s descending node of orbit on Monday, June 28, 2094, with an umbral magnitude of 1.8249. It will be a central lunar eclipse, in which part of the Moon will pass through the center of the Earth's shadow. A lunar eclipse occurs when the Moon moves into the Earth's shadow, caus... | June 2094 lunar eclipse | Astronomy | 892 |
58,797,296 | https://en.wikipedia.org/wiki/Nanocar%20Race | Nanocar Race is an international scientific competition with the aim of testing the performance of getting a large molecule suspended over a solid surface to cover the largest distance with the use of a scanning tunneling microscope.
The first race consisted of overcoming a distance of 100 nanometers and was held for ... | Nanocar Race | Physics,Chemistry,Materials_science,Technology,Engineering | 1,249 |
391,283 | https://en.wikipedia.org/wiki/Neutron%20emission | Neutron emission is a mode of radioactive decay in which one or more neutrons are ejected from a nucleus. It occurs in the most neutron-rich/proton-deficient nuclides, and also from excited states of other nuclides as in photoneutron emission and beta-delayed neutron emission. As only a neutron is lost by this process ... | Neutron emission | Physics,Chemistry | 1,096 |
50,702 | https://en.wikipedia.org/wiki/Environmental%20engineering | Environmental engineering is a professional engineering discipline related to environmental science. It encompasses broad scientific topics like chemistry, biology, ecology, geology, hydraulics, hydrology, microbiology, and mathematics to create solutions that will protect and also improve the health of living organism... | Environmental engineering | Chemistry,Engineering,Environmental_science | 2,085 |
49,489,032 | https://en.wikipedia.org/wiki/GloVe | GloVe, coined from Global Vectors, is a model for distributed word representation. The model is an unsupervised learning algorithm for obtaining vector representations for words. This is achieved by mapping words into a meaningful space where the distance between words is related to semantic similarity. Training is per... | GloVe | Technology | 1,182 |
31,282,761 | https://en.wikipedia.org/wiki/OnApp | OnApp was a London, UK-based software company. Its software enabled service providers to build, operate and sell IaaS public cloud, private cloud and content delivery network services. OnApp also operated the OnApp Federation, a wholesale cloud infrastructure marketplace, which enabled service providers to buy and sell... | OnApp | Technology | 467 |
299,619 | https://en.wikipedia.org/wiki/Ketogenesis | Ketogenesis is the biochemical process through which organisms produce ketone bodies by breaking down fatty acids and ketogenic amino acids. The process supplies energy to certain organs, particularly the brain, heart and skeletal muscle, under specific scenarios including fasting, caloric restriction, sleep, or other... | Ketogenesis | Chemistry | 2,580 |
58,948,209 | https://en.wikipedia.org/wiki/Dennis%20G.%20Peters | Dennis Gail Peters (April 17, 1937 – April 13, 2020) was an American analytical chemist who specialized in electrochemistry and was named the Herman T. Briscoe Professor at Indiana University in 1975. Peters led his own research group at Indiana University in Bloomington, Indiana until his death in 2020. Peters' resear... | Dennis G. Peters | Chemistry | 563 |
4,121,649 | https://en.wikipedia.org/wiki/Halazepam | Halazepam is a benzodiazepine derivative that was marketed under the brand names Paxipam in the United States, Alapryl in Spain, and Pacinone in Portugal.
Medical uses
Halazepam was used for the treatment of anxiety.
Adverse effects
Adverse effects include drowsiness, confusion, dizziness, and sedation. Gastrointe... | Halazepam | Chemistry | 307 |
27,365,300 | https://en.wikipedia.org/wiki/Etalocib | Etalocib is a drug candidate that was under development for the treatment of various types of cancer. It acts as a leukotriene B4 receptor antagonist and a PPARγ agonist.
Clinical trials were conducted measuring efficacy for treatment of non-small cell lung cancer and pancreatic cancer and the inflammatory conditions ... | Etalocib | Chemistry | 123 |
5,560,489 | https://en.wikipedia.org/wiki/Retrofitting | Retrofitting is the addition of new technology or features to older systems. Retrofits can happen for a number of reasons, for example with big capital expenditures like naval vessels, military equipment or manufacturing plants, businesses or governments may retrofit in order to reduce the need to replace a system enti... | Retrofitting | Chemistry,Engineering,Environmental_science | 1,281 |
501,787 | https://en.wikipedia.org/wiki/GNU/Linux%20naming%20controversy | Since the 1990s there is an ongoing controversy whether computer operating systems that use GNU software and the Linux kernel should be referred to as "GNU/Linux" or "Linux" systems.
Proponents of the term Linux argue that it is far more commonly used by the public and media and that it serves as a generic term for sy... | GNU/Linux naming controversy | Technology | 2,328 |
49,113,314 | https://en.wikipedia.org/wiki/Judith%20Lowe | Judith Ann Lowe is the former deputy chair of the Construction Industry Training Board.
Honours
She was appointed Officer of the Most Excellent Order of the British Empire (OBE) in the 2015 Birthday Honours for services to the construction industry, particularly women in construction.
References
British civil eng... | Judith Lowe | Engineering | 89 |
49,969,406 | https://en.wikipedia.org/wiki/Gentex%20%28standard%29 | Gentex is an international standard (ITU F.20) for the transmission of telegrams over the Telex network. It replaces fixed telegraph connections between stations and means instead that the telegraph station that transmits the telegram connects directly to the receiving station and transmits the telegram with a remote ... | Gentex (standard) | Technology | 126 |
279,836 | https://en.wikipedia.org/wiki/W%20Ursae%20Majoris | W Ursae Majoris (W UMa) is the variable star designation for a binary star system in the northern constellation of Ursa Major. It has an apparent visual magnitude of about 7.9, which is too faint to be seen with the naked eye. However, it can be viewed with a small telescope. Parallax measurements place it at a distanc... | W Ursae Majoris | Astronomy | 545 |
32,753,428 | https://en.wikipedia.org/wiki/FEZ-like%20protein | In molecular biology, the FEZ-like protein family is a family of eukaryotic proteins thought to be involved in axonal outgrowth and fasciculation. The N-terminal regions of these sequences are less conserved than the C-terminal regions, and are highly acidic. The Caenorhabditis elegans homologue, UNC-76, may play struc... | FEZ-like protein | Biology | 278 |
9,826,766 | https://en.wikipedia.org/wiki/Acicular%20ferrite | Acicular ferrite is a microstructure of ferrite in steel that is characterised by needle-shaped crystallites or grains when viewed in two dimensions. The grains, actually three-dimensional in shape, have a thin lenticular shape. This microstructure is advantageous over other microstructures for steel because of its cha... | Acicular ferrite | Chemistry,Materials_science,Engineering | 527 |
15,931,153 | https://en.wikipedia.org/wiki/Model%20complete%20theory | In model theory, a first-order theory is called model complete if every embedding of its models is an elementary embedding.
Equivalently, every first-order formula is equivalent to a universal formula.
This notion was introduced by Abraham Robinson.
Model companion and model completion
A companion of a theory T is ... | Model complete theory | Mathematics | 500 |
8,465,350 | https://en.wikipedia.org/wiki/Search/Retrieve%20via%20URL | Search/Retrieve via URL (SRU) is a standard search protocol for Internet search queries, utilizing Contextual Query Language (CQL), a standard query syntax for representing queries.
SRU, along with the related Search/Retrieve via Web (SRW) service, were created by as part of the ZING (Z39.50 International: Next Genera... | Search/Retrieve via URL | Technology | 1,350 |
2,570,207 | https://en.wikipedia.org/wiki/Bioplastic | Bioplastics are plastic materials produced from renewable biomass sources. Historically, bioplastics made from natural materials like shellac or cellulose had been the first plastics. Since the end of the 19th century they have been increasingly superseded by fossil-fuel plastics derived from petroleum or natural gas (... | Bioplastic | Chemistry,Materials_science,Engineering | 7,681 |
25,284,384 | https://en.wikipedia.org/wiki/Workspace%20virtualization | Workspace virtualization is a way of distributing applications to client computers using application virtualization; however, it also bundles several applications together into one complete workspace.
Overview
Workspace virtualization is an approach that encapsulates and isolates an entire computing workspace. At a mi... | Workspace virtualization | Technology | 568 |
953,440 | https://en.wikipedia.org/wiki/Radiation%20exposure%20%28disambiguation%29 | Radiation exposure may refer to:
Exposure (radiation), caused by ionizing photons, namely X-rays and gamma rays; or ionizing particles, usually alpha particles, neutrons, protons, or electrons
Humans being subjected to an ionizing radiation hazard, either by irradiation or contamination
In modern radiology, and in ... | Radiation exposure (disambiguation) | Physics,Chemistry,Materials_science,Engineering,Biology | 172 |
2,082,759 | https://en.wikipedia.org/wiki/Beck%27s%20theorem%20%28geometry%29 | In discrete geometry, Beck's theorem is any of several different results, two of which are given below. Both appeared, alongside several other important theorems, in a well-known paper by József Beck. The two results described below primarily concern lower bounds on the number of lines determined by a set of points in ... | Beck's theorem (geometry) | Mathematics | 938 |
71,869,796 | https://en.wikipedia.org/wiki/Sanggai%20Yumpham | The Sanggāi Yumpham , () was the citadel, a fortified royal residence within the Kangla Fort, Imphal. It is preserved as an archaeological site as well as a tourist attraction.
History
The construction of the Citadel of the Kangla Fort in Imphal started in 1611, during the era of reign of King Khagemba.
The Kangla F... | Sanggai Yumpham | Engineering | 501 |
1,725,063 | https://en.wikipedia.org/wiki/George%20Allman%20%28natural%20historian%29 | George James Allman FRS FRSE (181224 November 1898) was an Irish ecologist, botanist and zoologist who served as Emeritus Professor of Natural History at Edinburgh University in Scotland.
Life
Allman was born in Cork, Ireland, the son of James C. Allman of Bandon, and received his early education at the Royal Academic... | George Allman (natural historian) | Environmental_science | 577 |
1,914,268 | https://en.wikipedia.org/wiki/Olga%20Ladyzhenskaya | Olga Aleksandrovna Ladyzhenskaya (; 7 March 1922 – 12 January 2004) was a Russian mathematician who worked on partial differential equations, fluid dynamics, and the finite-difference method for the Navier–Stokes equations. She received the Lomonosov Gold Medal in 2002. She authored more than two hundred scientific p... | Olga Ladyzhenskaya | Chemistry,Mathematics,Technology | 1,063 |
40,550,153 | https://en.wikipedia.org/wiki/DriveSavers | DriveSavers, Inc. is a computer hardware data recovery company located in Novato, California. It was founded by former CEO Jay Hagan and former company President Scott Gaidano in 1985.
History
In 1985, former Jasmine Technologies executives Jay Hagan and Scott Gaidano founded DriveSavers, operating from Gaidano’s cond... | DriveSavers | Engineering | 594 |
64,284,153 | https://en.wikipedia.org/wiki/Wildlife%20of%20North%20Macedonia | Over 22,500 species of wildlife have been recorded in North Macedonia. Over 10,000 of these are insects, which include 3,000 beetle species and large numbers of Lepidoptera, flies, and Hymenoptera. Aside from insects, other large arthropod groups include Chelicerata (mostly spiders) and crustaceans. Among vertebrates, ... | Wildlife of North Macedonia | Biology | 8,348 |
40,164,004 | https://en.wikipedia.org/wiki/Todd%20Weather%20Folios | The Todd Weather Folios are a collection of continental Australian synoptic charts that were published from 1879 to 1909.
The charts were created by Sir Charles Todd's office at the Adelaide Observatory. In addition to the charts, the folios include clippings of newspaper articles and telegraphic and handwritten infor... | Todd Weather Folios | Physics | 1,009 |
1,429,661 | https://en.wikipedia.org/wiki/Khmer%20people | The Khmer people (, UNGEGN: , ALA-LC: ) are an Austroasiatic ethnic group native to Cambodia. They comprise over 95% of Cambodia's population of 17 million. They speak the Khmer language, which is part of the larger Austroasiatic language family alongside Mon and Vietnamese.
The majority of Khmer people follow Therav... | Khmer people | Biology | 3,294 |
47,471,090 | https://en.wikipedia.org/wiki/Pyrenean%20ibex | The Pyrenean ibex (Capra pyrenaica pyrenaica), Aragonese and Spanish common name bucardo, Basque common name bukardo, Catalan common name herc and French common name bouquetin, was one of the four subspecies of the Iberian ibex or Iberian wild goat, a species endemic to the Pyrenees. Pyrenean ibex were most common in t... | Pyrenean ibex | Biology | 2,725 |
37,089,603 | https://en.wikipedia.org/wiki/North-South%20Carrier | The North-South Carrier (NSC) is a pipeline in Botswana that carries raw water south for a distance of to the capital city of Gaborone. Phase 1 was completed in 2000. Phase 2 of the NSC, under construction, will duplicate the pipeline to carry water from the Dikgatlhong Dam, which was completed in 2012. A proposed ext... | North-South Carrier | Environmental_science | 2,680 |
3,823,981 | https://en.wikipedia.org/wiki/Psychosocial | The psychosocial approach looks at individuals in the context of the combined influence that psychological factors and the surrounding social environment have on their physical and mental wellness and their ability to function. This approach is used in a broad range of helping professions in health and social care sett... | Psychosocial | Biology | 1,663 |
43,161,091 | https://en.wikipedia.org/wiki/Central%20polynomial | In algebra, a central polynomial for n-by-n matrices is a polynomial in non-commuting variables that is non-constant but yields a scalar matrix whenever it is evaluated at n-by-n matrices. That such polynomials exist for any square matrices was discovered in 1970 independently by Formanek and Razmyslov. The term "centr... | Central polynomial | Mathematics | 166 |
26,950,856 | https://en.wikipedia.org/wiki/Registration%20of%20architects%20in%20the%20United%20Kingdom | In the United Kingdom, the Architects Act 1997 imposes restrictions on the use of the name, style or title "architect" in connection with a business or a professional practice, and for that purpose requires a statutory Register of Architects to be maintained. The Architects Registration Board constituted under the Act ... | Registration of architects in the United Kingdom | Engineering | 5,318 |
29,468,127 | https://en.wikipedia.org/wiki/UDF%20423 | UDF 423 is the Hubble Ultra Deep Field (UDF) identifier for a distant spiral galaxy. With an apparent magnitude of 20, UDF 423 is one of the brightest galaxies in the HUDF and also has one of the largest apparent sizes in the HUDF.
Distance measurements
The "distance" of a far away galaxy depends on how it is measure... | UDF 423 | Astronomy | 177 |
42,418,733 | https://en.wikipedia.org/wiki/Hay%27s%20test | Hay's test, also known as Hay's sulphur powder test, is a chemical test used for detecting the presence of bile salts in urine.
Procedure
Sulphur powder is sprinkled into a test tube with three millilitres of urine and if the test is positive, the sulphur powder sinks to the bottom of the test tube. Sulphur powder sin... | Hay's test | Chemistry | 93 |
4,859,035 | https://en.wikipedia.org/wiki/Drag%20area | In mechanics and aerodynamics, the drag area of an object represents the effective size of the object as it is "seen" by the fluid flow around it. The drag area is usually expressed as a product where is a representative area of the object, and is the drag coefficient, which represents what shape it has and how stre... | Drag area | Chemistry | 130 |
6,139,325 | https://en.wikipedia.org/wiki/2%20euro%20coin | The 2 euro coin (€2) is the highest-value euro coin and has been used since the introduction of the euro (in its cash form) in 2002. The coin is made of two alloys: the inner part of nickel brass, the outer part of copper-nickel. All coins have a common reverse side and country-specific national sides. The coin has bee... | 2 euro coin | Chemistry | 2,884 |
3,888,930 | https://en.wikipedia.org/wiki/Single-cylinder%20engine | A single-cylinder engine, sometimes called a thumper, is a piston engine with one cylinder. This engine is often used for motorcycles, motor scooters, motorized bicycles, go-karts, all-terrain vehicles, radio-controlled vehicles, power tools and garden machinery (such as chainsaws, lawn mowers, cultivators, and string ... | Single-cylinder engine | Technology | 635 |
18,910 | https://en.wikipedia.org/wiki/Markup%20language | A markup language is a text-encoding system which specifies the structure and formatting of a document and potentially the relationships among its parts. Markup can control the display of a document or enrich its content to facilitate automated processing.
A markup language is a set of rules governing what markup info... | Markup language | Mathematics | 4,087 |
71,785,549 | https://en.wikipedia.org/wiki/Muellerella%20erratica | Muellerella erratica is a species of lichenicolous fungus in the family Verrucariaceae. It has been reported from numerous countries, including India. Known host species include the thallus of Lecidea lapicida and Lecanora.
References
Verrucariales
Fungi described in 1855
Fungi of India
Lichenicolous fungi
Taxa named... | Muellerella erratica | Biology | 87 |
5,862,474 | https://en.wikipedia.org/wiki/Inosperma%20erubescens | Inosperma erubescens (formerly Inocybe erubescens, also formerly named I. patouillardii), and also commonly known as the deadly fibrecap, brick-red tear mushroom or red-staining Inocybe, is a poisonous basidiomycete fungus, one of many in the original genus Inocybe and one of the few known to have caused death. It is f... | Inosperma erubescens | Biology,Environmental_science | 726 |
2,784,662 | https://en.wikipedia.org/wiki/Markland%20%28Scots%29 | A markland or merkland () is an old Scottish unit of land measurement.
There was some local variation in the equivalences; for example, in some places eight ouncelands were equal to one markland, but in others, such as Islay, a markland was twelve ouncelands. The markland derived its name from the old coin, the Merk S... | Markland (Scots) | Mathematics | 387 |
4,153,139 | https://en.wikipedia.org/wiki/Cryptoregiochemistry | Cryptoregiochemistry refers to the site of initial oxidative attack in double bond formation by enzymes such as fatty acid desaturases. This is a mechanistic parameter that is usually determined through the use of kinetic isotope effect experiments, based on the premise that the initial C-H bond cleavage step should be... | Cryptoregiochemistry | Physics,Chemistry | 97 |
14,881,966 | https://en.wikipedia.org/wiki/CDC14B | Dual specificity protein phosphatase CDC14B is an enzyme that in humans is encoded by the CDC14B gene.
The protein encoded by this gene is a member of the dual specificity protein tyrosine phosphatase family. This protein is highly similar to Saccharomyces cerevisiae Cdc14, a protein tyrosine phosphatase involved in t... | CDC14B | Chemistry | 276 |
58,949,425 | https://en.wikipedia.org/wiki/Perdita%20Barran | Perdita Elizabeth Barran is a Professor of Mass Spectrometry at the University of Manchester. She is Director of the Michael Barber Centre for Collaborative Mass Spectrometry. She develops and applies ion-mobility spectrometry–mass spectrometry to the study of molecule structure and is searching for biomarkers for Park... | Perdita Barran | Physics,Chemistry | 1,085 |
37,477,684 | https://en.wikipedia.org/wiki/Hip%20roof | A hip roof, hip-roof or hipped roof, is a type of roof where all sides slope downward to the walls, usually with a fairly gentle slope, with variants including tented roofs and others. Thus, a hipped roof has no gables or other vertical sides to the roof.
A square hip roof is shaped like a pyramid. Hip roofs on houses... | Hip roof | Technology,Engineering | 1,098 |
32,610,748 | https://en.wikipedia.org/wiki/KCR%20CRO | KCR is a clinical development provider for the biotechnology and pharmaceutical industries. It has three main service areas: Trial Execution, Consulting and Placement.
KCR operates across four main regions: North America, Western Europe, Central Europe, and Eastern Europe, with a main operational hub located in Boston... | KCR CRO | Biology | 283 |
15,311,568 | https://en.wikipedia.org/wiki/Potting%20%28electronics%29 | In electronics, potting is the process of filling a complete electronic assembly with a solid or gelatinous compound. This is done to exclude water, moisture, or corrosive agents, to increase resistance to shocks and vibrations, or to prevent gaseous phenomena such as corona discharge in high-voltage assemblies. Pottin... | Potting (electronics) | Engineering | 418 |
9,566,223 | https://en.wikipedia.org/wiki/Temperament%20test | Temperament tests assess dogs for certain behaviors or suitability for dog sports or adoption from an animal shelter by observing the animal for unwanted or potentially dangerous behavioral traits, such as aggressiveness towards other dogs or humans, shyness, or extreme fear.
AKC Temperament Test
In 2019, the America... | Temperament test | Biology | 1,657 |
87,310 | https://en.wikipedia.org/wiki/Supercavitation | Supercavitation is the use of a cavitation bubble to reduce skin friction drag on a submerged object and enable high speeds. Applications include torpedoes and propellers, but in theory, the technique could be extended to an entire underwater vessel.
Physical principle
Cavitation is the formation of vapour bubbles in... | Supercavitation | Chemistry,Engineering | 1,633 |
77,706,916 | https://en.wikipedia.org/wiki/Natural%20Fibre%20Board | Natural Fibre Board (NFB), or otherwise natural fibreboard or natural fiberboard, is a registered European trademark representing wood fibre boards produced without the use of binding agents, for instance, formaldehyde-based resins or other synthetic resins.
It is a European wood-based panel, which belongs to the fib... | Natural Fibre Board | Physics | 615 |
67,873,986 | https://en.wikipedia.org/wiki/Father%20No%C3%ABl | Nicolas Noël (1712-1781) was a Benedictine monk, instrument and telescope maker at the workshop of l'abbaye de Saint-Germain des Prés. He became custodian of Louis XV's telescopes in 1759, having presented an eight foot (focal length) telescope to the king, under the sponsorship of the duc de Chaulnes, on December 14, ... | Father Noël | Astronomy | 236 |
22,022,775 | https://en.wikipedia.org/wiki/International%20Census%20of%20Marine%20Microbes | The International Census of Marine Microbes is a field project of the Census of Marine Life that inventories microbial diversity by cataloging all known diversity of single-cell
organisms including bacteria, Archaea, Protista, and associated viruses, exploring and discovering unknown microbial diversity, and placing t... | International Census of Marine Microbes | Biology | 127 |
76,113,713 | https://en.wikipedia.org/wiki/Seiler%20oscillator | The Seiler oscillator is an LC electronic oscillator. It was presented in 1941 by E. O. Seiler. The original implementation used a vacuum tube in an Electron-coupled oscillator circuit. Like the Clapp oscillator and the Vackář oscillator it is a variation of the Colpitts oscillator. It uses a voltage divider made of tw... | Seiler oscillator | Engineering | 382 |
16,620,571 | https://en.wikipedia.org/wiki/FTTLA | FTTLA refers to "Fibre to the Last Active". Classic analogue cable television trunks used several amplifiers at intervals in cascade, each of which degrades the signal. FTTLA replaces the coaxial cable all along the line to the last active component (towards the subscriber) with optical fibre, eliminating all distrib... | FTTLA | Engineering | 220 |
49,380,773 | https://en.wikipedia.org/wiki/Hygrocybe%20appalachianensis | Hygrocybe appalachianensis, commonly known as the Appalachian waxy cap, is a gilled fungus of the waxcap family. It is found in the eastern United States, where it fruits singly, in groups, or clusters on the ground in deciduous and mixed forests. The species, described in 1963 from collections made in the Appalachian ... | Hygrocybe appalachianensis | Biology | 1,650 |
20,478 | https://en.wikipedia.org/wiki/Magnetopause | The magnetopause is the abrupt boundary between a magnetosphere and the surrounding plasma. For planetary science, the magnetopause is the boundary between the planet's magnetic field and the solar wind. The location of the magnetopause is determined by the balance between the pressure of the dynamic planetary magneti... | Magnetopause | Physics | 1,399 |
75,962,366 | https://en.wikipedia.org/wiki/Silicon%20Quantum%20Electronics%20Workshop | The Silicon Quantum Electronics Workshop (SiQEW) is a series of workshops on silicon quantum computing that date back to 2007.
References
Workshops
Quantum electronics | Silicon Quantum Electronics Workshop | Physics,Materials_science | 31 |
2,071,932 | https://en.wikipedia.org/wiki/Phosphoric%20acids%20and%20phosphates | In chemistry, a phosphoric acid, in the general sense, is a phosphorus oxoacid in which each phosphorus (P) atom is in the oxidation state +5, and is bonded to four oxygen (O) atoms, one of them through a double bond, arranged as the corners of a tetrahedron. Two or more of these tetrahedra may be connected by shared... | Phosphoric acids and phosphates | Chemistry | 1,875 |
36,522,087 | https://en.wikipedia.org/wiki/Interactive%20Theorem%20Proving%20%28conference%29 | Interactive Theorem Proving (ITP) is an annual international academic conference on the topic of automated theorem proving, proof assistants and related topics, ranging from theoretical foundations to implementation aspects and applications in program verification, security, and formalization of mathematics.
ITP bring... | Interactive Theorem Proving (conference) | Mathematics,Technology | 288 |
30,805 | https://en.wikipedia.org/wiki/Tape%20bias | Tape bias is the term for two techniques, AC bias and DC bias, that improve the fidelity of analogue tape recorders. DC bias is the addition of direct current to the audio signal that is being recorded. AC bias is the addition of an inaudible high-frequency signal (generally from 40 to 150 kHz) to the audio signal. M... | Tape bias | Technology | 885 |
22,359,636 | https://en.wikipedia.org/wiki/Simplicial%20sphere | In geometry and combinatorics, a simplicial (or combinatorial) d-sphere is a simplicial complex homeomorphic to the d-dimensional sphere. Some simplicial spheres arise as the boundaries of convex polytopes, however, in higher dimensions most simplicial spheres cannot be obtained in this way.
One important open problem... | Simplicial sphere | Physics,Mathematics | 675 |
8,853,271 | https://en.wikipedia.org/wiki/In-glaze%20decoration | In-glaze or inglaze is a method of decorating pottery, where the materials used allow painted decoration to be applied on the surface of the glaze before the glost firing so that it fuses into the glaze in the course of firing.
It contrasts with the other main methods of adding painted colours to pottery. These are un... | In-glaze decoration | Chemistry | 386 |
16,728,071 | https://en.wikipedia.org/wiki/SSTGFLS%20J222557%2B601148 | SSTGFLS J222557+601148 is a planetary nebula in the constellation Cepheus. Located between 2000 and 3000 parsecs distant from Earth, it was originally classified in 2006 as a supernova remnant. Thought to be the first supernova remnant first detected in the infrared wavelengths, the spectrum and properties of the objec... | SSTGFLS J222557+601148 | Astronomy | 124 |
3,973,461 | https://en.wikipedia.org/wiki/Coniferyl%20alcohol | Coniferyl alcohol is an organic compound with the formula HO(CH3O)C6H3CH=CHCH2OH. A colourless or white solid, it is one of the monolignols, produced via the phenylpropanoid biochemical pathway. When copolymerized with related aromatic compounds, coniferyl alcohol forms lignin or lignans. Coniferin is a glucoside of co... | Coniferyl alcohol | Chemistry | 349 |
333,676 | https://en.wikipedia.org/wiki/List%20of%20content%20management%20systems | Content management systems (CMS) are used to organize and facilitate collaborative content creation. Many of them are built on top of separate content management frameworks. The list is limited to notable services.
Open source software
This section lists free and open-source software that can be installed and manag... | List of content management systems | Technology | 219 |
42,726,919 | https://en.wikipedia.org/wiki/Deferred%20measurement%20principle | The deferred measurement principle is a result in quantum computing which states that delaying measurements until the end of a quantum computation doesn't affect the probability distribution of outcomes.
A consequence of the deferred measurement principle is that measuring commutes with conditioning.
The choice of whe... | Deferred measurement principle | Physics | 186 |
3,780,915 | https://en.wikipedia.org/wiki/Table%20manners | Table manners are the rules of etiquette used while eating and drinking together, which may also include the use of utensils. Different cultures observe different rules for table manners. Each family or group sets its own standards for how strictly these rules are to be followed.
Historical
There is a section on table... | Table manners | Biology | 2,993 |
22,408,334 | https://en.wikipedia.org/wiki/HD%20158633 | HD 158633 is a main sequence star in the northern constellation of Draco. With an apparent visual magnitude of
6.43, this star is a challenge to view with the unaided eye but it can be seen clearly with a small telescope. Based upon parallax measurements, it is located at a distance of around 42 light years from the S... | HD 158633 | Astronomy | 268 |
44,690,150 | https://en.wikipedia.org/wiki/Chrysomyxa%20neoglandulosi | Chrysomyxa neoglandulosi is a fungus. It likely occurs wherever its telial host, Ledum glandulosum Nutt., is found. The only reported aecial host, Engelmann spruce, occurs in montane to subalpine areas in western Canada and the United States (Crane 2001).
References
Fungal plant pathogens and diseases
neoglandulosi
F... | Chrysomyxa neoglandulosi | Biology | 82 |
54,161,658 | https://en.wikipedia.org/wiki/Jessica%20Lovering | Jessica Lovering is an American astrophysicist, researcher and Director of Energy at the Breakthrough Institute. She supports the innovative development of new nuclear power plants in response to climate change. She also sits on the Advisory Committee of the Nuclear Innovation Alliance, and was a speaker at Nuclear Inn... | Jessica Lovering | Physics | 177 |
39,871,498 | https://en.wikipedia.org/wiki/Force%20chain | In the study of the physics of granular materials, a force chain consists of a set of particles within a compressed granular material that are held together and jammed into place by a network of mutual compressive forces.
Between these chains are regions of low stress whose grains are shielded for the effects of the g... | Force chain | Physics,Chemistry,Mathematics | 248 |
4,354,735 | https://en.wikipedia.org/wiki/Direct%20digital%20control | Direct digital control is the automated control of a condition or process by a digital device (computer). Direct digital control takes a centralized network-oriented approach. All instrumentation is gathered by various analog and digital converters which use the network to transport these signals to the central control... | Direct digital control | Engineering | 918 |
52,142,704 | https://en.wikipedia.org/wiki/Polygenic%20score | In genetics, a polygenic score (PGS) is a number that summarizes the estimated effect of many genetic variants on an individual's phenotype. The PGS is also called the polygenic index (PGI) or genome-wide score; in the context of disease risk, it is called a polygenic risk score (PRS or PR score) or genetic risk score.... | Polygenic score | Chemistry | 4,471 |
4,363,276 | https://en.wikipedia.org/wiki/Bench-clearing%20brawl | A bench-clearing brawl is a form of fighting that occurs in sports, most notably baseball and ice hockey, where most or all players on both teams leave their dugouts, bullpens, or benches, and charge onto the playing area in order to fight one another or try to break up a fight. Penalties for leaving the bench can rang... | Bench-clearing brawl | Biology | 2,033 |
84,179 | https://en.wikipedia.org/wiki/Lotus%20Improv | Lotus Improv is a discontinued spreadsheet program from Lotus Development released in 1991 for the NeXTSTEP platform and then for Windows 3.1 in 1993. Development was put on hiatus in 1994 after slow sales on the Windows platform, and officially ended in April 1996 after Lotus was purchased by IBM.
Improv was an attem... | Lotus Improv | Mathematics | 3,077 |
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