id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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4,182,759 | https://en.wikipedia.org/wiki/High-Speed%20Serial%20Interface | The High-Speed Serial Interface (HSSI) is a differential ECL serial interface standard developed by Cisco Systems and T3plus Networking primarily for use in WAN router connections. It is capable of speeds up to 52 Mbit/s with cables up to in length.
While HSSI uses 50-pin connector physically similar to that used b... | High-Speed Serial Interface | Technology | 158 |
49,047,722 | https://en.wikipedia.org/wiki/Rhizopogon%20parvisporus | Rhizopogon parvisporus is a small, truffle-like fungus in the family Rhizopogonaceae. Found in Canada, it was described as new to science in 1962 by Constance Bowerman, from collections made in Newfoundland.
Description
The roughly spherical to irregularly shaped fruitbodies of the fungus measure in diameter when fre... | Rhizopogon parvisporus | Biology | 224 |
9,792,866 | https://en.wikipedia.org/wiki/Bruker | Bruker Corporation is an American manufacturer of scientific instruments for molecular and materials research, as well as for industrial and applied analysis. It is headquartered in Billerica, Massachusetts, and is the publicly traded parent company of Bruker Scientific Instruments (Bruker AXS, Bruker BioSpin, Bruker D... | Bruker | Biology | 1,236 |
4,212,710 | https://en.wikipedia.org/wiki/Duvenhage%20lyssavirus | Duvenhage lyssavirus (DUVV) is a member of the genus Lyssavirus, which also contains the rabies virus. The virus was discovered in 1970, when a South African farmer (after whom the virus is named) died of a rabies-like encephalitic illness, after being bitten by a bat. In 2006, Duvenhage virus killed a second person, w... | Duvenhage lyssavirus | Biology | 278 |
36,988,616 | https://en.wikipedia.org/wiki/RKA%20Mission%20Control%20Center | The RKA Mission Control Center (), also known by its acronym TsUP () or by its radio callsign Mission Control Moscow, is the mission control center of Roscosmos. It is located in Korolyov, Moscow Oblast, on Pionerskaya Street near the S.P. Korolev Rocket and Space Corporation Energia plant.
It contains an active contr... | RKA Mission Control Center | Astronomy | 207 |
4,313,931 | https://en.wikipedia.org/wiki/Fuel%20economy%20in%20automobiles | The fuel economy of an automobile relates to the distance traveled by a vehicle and the amount of fuel consumed. Consumption can be expressed in terms of the volume of fuel to travel a distance, or the distance traveled per unit volume of fuel consumed. Since fuel consumption of vehicles is a significant factor in air ... | Fuel economy in automobiles | Environmental_science | 9,551 |
13,283,342 | https://en.wikipedia.org/wiki/Mining%20lamp | A mining lamp is a lamp, developed for the rigid necessities of underground mining operations. Most often it is worn on a hard hat in the form of a headlamp.
History
Types
1813 Dr William Reid Clanny Exhibited The Clanny Lamp
1815 Humphry Davy Exhibited The Davy Lamp
1815 George Stephenson Exhibited his Lamp
The ... | Mining lamp | Engineering | 472 |
4,372,065 | https://en.wikipedia.org/wiki/Alpha%20Pyxidis | Alpha Pyxidis, Latinised from α Pyxidis, is a giant star in the constellation Pyxis. It is the brightest star in Pyxis, and is easily visible to the naked eye. It has a stellar classification of B1.5III and is a Beta Cephei variable. This star has more than ten times the mass of the Sun and is more than six times the S... | Alpha Pyxidis | Astronomy | 274 |
197,544 | https://en.wikipedia.org/wiki/Pentagram | A pentagram (sometimes known as a pentalpha, pentangle, or star pentagon) is a regular five-pointed star polygon, formed from the diagonal line segments of a convex (or simple, or non-self-intersecting) regular pentagon. Drawing a circle around the five points creates a similar symbol referred to as the pentacle, which... | Pentagram | Mathematics | 3,230 |
26,602,636 | https://en.wikipedia.org/wiki/Olaratumab | Olaratumab, sold under the brand name Lartruvo, is a monoclonal antibody medication developed by Eli Lilly and Company for the treatment of solid tumors. It is directed against the platelet-derived growth factor receptor alpha.
It was removed from the United States and European Union markets in 2019, due to insufficie... | Olaratumab | Chemistry | 882 |
38,507,281 | https://en.wikipedia.org/wiki/C9H7NO4 | {{DISPLAYTITLE:C9H7NO4}}
The molecular formula C9H7NO4 (molar mass: 193.16 g/mol, exact mass: 193.0375 u) may refer to:
DHICA
Dopachrome
Molecular formulas | C9H7NO4 | Physics,Chemistry | 59 |
5,644,238 | https://en.wikipedia.org/wiki/Female%20sabotage | Female sabotage is an evolutionary theory regarding the propensity of certain females to select "burdened" males of their species for mating.
History
Soon after Charles Darwin published his theory of natural selection, he was faced with a puzzle. If natural selection suggests "survival of the fittest," then there is ... | Female sabotage | Biology | 737 |
56,340,765 | https://en.wikipedia.org/wiki/Cohesion%20number | The Cohesion number (Coh) is a useful dimensionless number in particle technology by which the cohesivity of different powders can be compared. This is especially useful in DEM simulations (Discrete Element Method) of granular materials where scaling of the size and stiffness of the particles are inevitable due to the ... | Cohesion number | Physics | 545 |
72,412,136 | https://en.wikipedia.org/wiki/Operation%20Cyberstorm | Operation Cyberstorm was a two-year undercover operation in the United States by the Federal Bureau of Investigation (FBI), against illegal copying of software. At the time, it was the largest sweep ever conducted by the FBI against illegal copying.
Investigations
A number of individuals purchased software at discoun... | Operation Cyberstorm | Technology | 209 |
45,114,355 | https://en.wikipedia.org/wiki/Wheat%20Improvement%20Strategic%20Programme | The Wheat Improvement Strategic Programme (WISP) is a Biotechnology and Biological Sciences Research Council (BBSRC) funded collaborative programme for wheat improvement, which brings together experts from five UK institutions: John Innes Centre, Rothamsted Research, the National Institute for Agricultural Botany (NIA... | Wheat Improvement Strategic Programme | Biology | 318 |
2,922,306 | https://en.wikipedia.org/wiki/12%20Canis%20Majoris | 12 Canis Majoris is a variable star located about 707 light years away from the Sun in the southern constellation of Canis Major. It has the variable star designation HK Canis Majoris; 12 Canis Majoris is the Flamsteed designation. This body is just barely visible to the naked eye as a dim, blue-white hued star with a ... | 12 Canis Majoris | Astronomy | 412 |
55,822,704 | https://en.wikipedia.org/wiki/New-collar%20worker | A new-collar worker is an individual who develops technical and soft skills needed to work in the contemporary technology industry through nontraditional education paths. The term was introduced by IBM CEO Ginni Rometty in late 2016 and refers to "middle-skill" occupations in technology, such as cybersecurity analysts,... | New-collar worker | Technology | 565 |
21,491,913 | https://en.wikipedia.org/wiki/WHO%20Drug%20Dictionary | The WHODrug Dictionary is an international classification of medicines created by the WHO Programme for International Drug Monitoring and managed by the Uppsala Monitoring Centre.
It is used by pharmaceutical companies, clinical trial organizations and drug regulatory authorities for identifying drug names in spontan... | WHO Drug Dictionary | Chemistry | 703 |
292,800 | https://en.wikipedia.org/wiki/Dirac%20spinor | In quantum field theory, the Dirac spinor is the spinor that describes all known fundamental particles that are fermions, with the possible exception of neutrinos. It appears in the plane-wave solution to the Dirac equation, and is a certain combination of two Weyl spinors, specifically, a bispinor that transforms "spi... | Dirac spinor | Physics | 2,496 |
681,806 | https://en.wikipedia.org/wiki/Near-extremal%20black%20hole | In theoretical physics, a near-extremal black hole is a black hole which is not far from the minimal possible mass that can be compatible with the given charges and angular momentum. The calculations of the properties of near-extremal black holes are usually performed using perturbation theory around the extremal black... | Near-extremal black hole | Physics,Astronomy | 171 |
18,771,595 | https://en.wikipedia.org/wiki/Levi-Civita%20parallelogramoid | In the mathematical field of differential geometry, the Levi-Civita parallelogramoid is a quadrilateral in a curved space whose construction generalizes that of a parallelogram in the Euclidean plane. It is named for its discoverer, Tullio Levi-Civita. Like a parallelogram, two opposite sides AA′ and BB′ of a parallel... | Levi-Civita parallelogramoid | Physics | 641 |
51,198,091 | https://en.wikipedia.org/wiki/O-Desmethylangolensin | O-Desmethylangolensin (O-DMA) is a phytoestrogen. It is an intestinal bacterial metabolite of the soy phytoestrogen daidzein. It produced in some people, deemed O-DMA producers, but not others. O-DMA producers were associated with 69% greater mammographic density and 6% bone density.
See also
Equol
References
Di... | O-Desmethylangolensin | Chemistry | 102 |
48,497,560 | https://en.wikipedia.org/wiki/Allomyces%20catenoides | Allomyces catenoides is a species of fungus in the family Blastocladiaceae. It was described by Frederick Kroeber Sparrow in 1964.
References
Fungi described in 1964
Blastocladiomycota
Fungus species | Allomyces catenoides | Biology | 47 |
52,156,116 | https://en.wikipedia.org/wiki/H3K27me3 | H3K27me3 is an epigenetic modification to the DNA packaging protein histone H3. It is a mark that indicates the tri-methylation of lysine 27 on histone H3 protein.
This tri-methylation is associated with the downregulation of nearby genes via the formation of heterochromatic regions.
Nomenclature
H3K27me3 indicates t... | H3K27me3 | Chemistry | 2,110 |
29,873,791 | https://en.wikipedia.org/wiki/Principia%20%28alga%29 | Principia is a genus of alga that has been placed in the coralline stem group on the basis of its slightly differentiated thallus; it forms an "intermediate" between Hortonella, Neoprincipia and Archaeolithophyllum.
Fossil algae | Principia (alga) | Biology | 57 |
68,926,710 | https://en.wikipedia.org/wiki/Thraustochytrium%20pachydermum | Thraustochytrium pachydermum is a species of heterokont.
References
Heterokont species
Marine microorganisms
Protists described in 1958 | Thraustochytrium pachydermum | Biology | 38 |
3,911,673 | https://en.wikipedia.org/wiki/Fluoroacetic%20acid | Fluoroacetic acid is a organofluorine compound with the chemical formula . It is a colorless solid that is noted for its relatively high toxicity. The conjugate base, fluoroacetate occurs naturally in at least 40 plants in Australia, Brazil, and Africa. It is one of only five known organofluorine-containing natural pro... | Fluoroacetic acid | Chemistry | 369 |
2,113,062 | https://en.wikipedia.org/wiki/Piston%20pump | A piston pump is a type of positive displacement pump where the high-pressure seal reciprocates with the piston. Piston pumps can be used to move liquids or compress gases. They can operate over a wide range of pressures. High pressure operation can be achieved without adversely affecting flow rate. Piston pumps can al... | Piston pump | Physics,Chemistry | 768 |
46,287,862 | https://en.wikipedia.org/wiki/Jonathan%20Rosenberg%20%28SIP%20author%29 | Jonathan Rosenberg (born ) is a technologist noted for his work in IP communications. Network World has referred to him as "a pioneer [in] the development of the SIP protocol", and he was included in the 2002 TR35 list of the world's top under-35 innovators, as published by MIT Technology Review.
, Rosenberg is the ch... | Jonathan Rosenberg (SIP author) | Technology | 568 |
1,836,008 | https://en.wikipedia.org/wiki/L%C3%A9o%20Marion | Léo Edmond Marion, (March 22, 1899 – July 16, 1979) was a Canadian organic chemist and academic administrator.
He was Vice-President of the National Research Council of Canada. From 1964 until 1965 he was President of the Royal Society of Canada. From 1965 until 1969, he was Dean of Faculty of Pure and Applied Scienc... | Léo Marion | Chemistry | 196 |
36,372,603 | https://en.wikipedia.org/wiki/Arctur-1 | Arctur-1 was a supercomputer located in Slovenia which is used by scientific and technical users in technologically intensive industries and research. In 2017 it was replaced by Arctur-2.
The High Performance Computer (HPC) was located in Gorjansko (Slovenia) and was put into operation in October 2010. Arctur-1 was bu... | Arctur-1 | Technology | 193 |
48,246,926 | https://en.wikipedia.org/wiki/Artomyces%20nothofagi | Artomyces nothofagi is a species of coral fungus in the family Auriscalpiaceae. Found in southern Chile, it was described as new to science in 2015 by Richard Kneal and Matthew Smith. The specific epithet nothofagi refers to the substrate it grows on, Nothofagus dombeyi. The species distinguished from other Artomyces ... | Artomyces nothofagi | Biology | 140 |
61,276,647 | https://en.wikipedia.org/wiki/List%20of%20textbooks%20on%20classical%20mechanics%20and%20quantum%20mechanics | This is a list of notable textbooks on classical mechanics and quantum mechanics arranged according to level and surnames of the authors in alphabetical order.
Undergraduate
Classical mechanics
Chapters 1–21. Numerous subsequent editions.
Quantum mechanics
Advanced undergraduate and graduate
Classical mechanics... | List of textbooks on classical mechanics and quantum mechanics | Physics | 238 |
74,929,430 | https://en.wikipedia.org/wiki/General%20Company%20for%20Glass%20and%20Refractories | The glass factory, officially called the General Company for Glass and Refractories, is an Iraqi government factory for the production of glass, refractories, and ceramics. It was established in 1971, at a cost of 6,700,000 dinars, in the city of Ramadi, affiliated with the Ministry of Industry and Minerals, 80 kilomet... | General Company for Glass and Refractories | Materials_science,Engineering | 1,131 |
32,170,974 | https://en.wikipedia.org/wiki/Cfr10I/Bse634I | In molecular biology, the Cfr10I/Bse634I family of restriction endonucleases includes the type II restriction endonucleases Cfr10I and Bse634I. They exhibit a conserved tetrameric architecture that is of functional importance, wherein two dimers are arranged, back-to-back, with their putative DNA-binding clefts facing ... | Cfr10I/Bse634I | Biology | 260 |
46,855,068 | https://en.wikipedia.org/wiki/Allomyces%20neomoniliformis | Allomyces neomoniliformis is a species of fungus from Japan.
References
External links
Mycobank entry
Blastocladiomycota
Fungi described in 1940
Fungi of Japan
Fungus species | Allomyces neomoniliformis | Biology | 41 |
71,485,381 | https://en.wikipedia.org/wiki/Low-rise%20high-density | Low-rise high-density housing refers to residential developments which are typically 4 stories or less in height, have a high number of housing units per acre of land, and have between 35-80 dwellings per hectare. This housing type is thought to provide a middle ground between detached single-family homes and high-rise... | Low-rise high-density | Technology,Engineering | 1,314 |
47,069,434 | https://en.wikipedia.org/wiki/Arun%20Kumar%20Basak | Arun Kumar Basak FInstP CPhys (born October 17, 1941) is a Bangladeshi physicist. He is Professor Emeritus in the Department of Physics, University of Rajshahi.
Early life and education
Basak was born in Radhanagor of Pabna town, Bengal Presidency, British India to parents Haripada Basak and Usha Rani Basak. Basak ma... | Arun Kumar Basak | Physics | 594 |
3,057,518 | https://en.wikipedia.org/wiki/Backward-wave%20oscillator | A backward wave oscillator (BWO), also called carcinotron or backward wave tube, is a vacuum tube that is used to generate microwaves up to the terahertz range. Belonging to the traveling-wave tube family, it is an oscillator with a wide electronic tuning range.
An electron gun generates an electron beam that interact... | Backward-wave oscillator | Physics | 3,173 |
187,315 | https://en.wikipedia.org/wiki/Antenna%20%28zoology%29 | Antennae (: antenna) (sometimes referred to as "feelers") are paired appendages used for sensing in arthropods.
Antennae are connected to the first one or two segments of the arthropod head. They vary widely in form but are always made of one or more jointed segments. While they are typically sensory organs, the exact... | Antenna (zoology) | Biology | 2,163 |
19,174,753 | https://en.wikipedia.org/wiki/Mueller%E2%80%93Hinton%20agar | Mueller Hinton agar is a type of growth medium used in microbiology to culture bacterial isolates and test their susceptibility to antibiotics. This medium was first developed in 1941 by John Howard Mueller and Jane Hinton, who were microbiologists working at Harvard University. However, Mueller Hinton agar is made up ... | Mueller–Hinton agar | Biology | 744 |
25,234,160 | https://en.wikipedia.org/wiki/Properties%20of%20concrete | Concrete has relatively high compressive strength (resistance to breaking when squeezed), but significantly lower tensile strength (resistance to breaking when pulled apart). The compressive strength is typically controlled with the ratio of water to cement when forming the concrete, and tensile strength is increased b... | Properties of concrete | Engineering | 3,230 |
47,885,504 | https://en.wikipedia.org/wiki/HD%20137509 | HD 137509 is a star in the southern constellation of Apus, positioned less than a degree from the northern constellation boundary with Triangulum Australe. It has the variable star designation of NN Apodis, or NN Aps for short, and ranges in brightness from an apparent visual magnitude of 6.86 down to 6.93 with a peri... | HD 137509 | Astronomy | 498 |
749,598 | https://en.wikipedia.org/wiki/Windows%20Chat | Windows Chat (not to be confused with Microsoft Comic Chat) is a simple LAN-based text chatting program included in Windows for Workgroups and, later, the Windows NT-line of operating systems, including Windows NT 3.x, NT 4.0, Windows 2000, Windows XP and Windows Server 2003 and also Windows 95. In later Windows versio... | Windows Chat | Technology | 263 |
2,633,325 | https://en.wikipedia.org/wiki/Norman%20Macleod%20Ferrers | Norman Macleod Ferrers (11 August 1829 – 31 January 1903) was a British mathematician and university administrator and editor of a mathematical journal.
Career and research
Ferrers was educated at Eton College before studying at Gonville and Caius College, Cambridge, where he was Senior Wrangler in 1851. He was appoin... | Norman Macleod Ferrers | Mathematics | 748 |
31,350,649 | https://en.wikipedia.org/wiki/NGC%20371 | NGC 371, also called Hodge 53, is an open cluster 200,000 light-years (61,320 pc) away located in the Small Magellanic Cloud in Tucana constellation. It was discovered on 1 August 1826 by Scottish astronomer James Dunlop.
See also
List of NGC objects (1–1000)
References
External links
The Rose-red Glow of Star ... | NGC 371 | Astronomy | 101 |
6,796,998 | https://en.wikipedia.org/wiki/Gleason%27s%20theorem | In mathematical physics, Gleason's theorem shows that the rule one uses to calculate probabilities in quantum physics, the Born rule, can be derived from the usual mathematical representation of measurements in quantum physics together with the assumption of non-contextuality. Andrew M. Gleason first proved the theorem... | Gleason's theorem | Physics,Mathematics | 3,176 |
3,572,234 | https://en.wikipedia.org/wiki/Terrace%20%28geology%29 | In geology, a terrace is a step-like landform. A terrace consists of a flat or gently sloping geomorphic surface, called a tread, that is typically bounded on one side by a steeper ascending slope, which is called a "riser" or "scarp". The tread and the steeper descending slope (riser or scarp) together constitute the ... | Terrace (geology) | Environmental_science | 1,005 |
12,465,812 | https://en.wikipedia.org/wiki/C6H6O4 | {{DISPLAYTITLE:C6H6O4}}
The molecular formula C6H6O4 (molar mass : 142.10 g/mol, exact mass : 142.026608 u) may refer to:
Dimethyl acetylenedicarboxylate
5-Hydroxymaltol
2-Hydroxymuconate semialdehyde
Kojic acid
Muconic acid
Tetrahydroxybenzene
1,2,3,4-Tetrahydroxybenzene
1,2,3,5-Tetrahydroxybenzene
1,2,4,5-T... | C6H6O4 | Chemistry | 145 |
2,642,217 | https://en.wikipedia.org/wiki/Apyrase | Apyrase (, ATP-diphosphatase, adenosine diphosphatase, ADPase, ATP diphosphohydrolase) is a calcium-activated plasma membrane-bound enzyme (magnesium can also activate it) () that catalyses the hydrolysis of ATP to yield AMP and inorganic phosphate. Two isoenzymes are found in commercial preparations from S. tuberosum.... | Apyrase | Biology | 242 |
910,281 | https://en.wikipedia.org/wiki/Variscite | Variscite is a hydrated aluminium phosphate mineral (). It is a relatively rare phosphate mineral. It is sometimes confused with turquoise; however, variscite is usually greener in color. The green color results from the presence of small amounts of trivalent chromium ().
Geology
Variscite is a secondary mineral forme... | Variscite | Physics,Chemistry | 546 |
21,559,940 | https://en.wikipedia.org/wiki/Animal%20spirits%20%28Keynes%29 | Animal spirits is a term used by John Maynard Keynes in his 1936 book The General Theory of Employment, Interest and Money to describe the instincts, proclivities and emotions that seemingly influence human behavior, which can be measured in terms of consumer confidence.
Use by Keynes
The original passage by Keynes r... | Animal spirits (Keynes) | Biology | 935 |
68,089,820 | https://en.wikipedia.org/wiki/Gallus%20giganteus | Gallus giganteus, Jago cock, or Jago Fowl, is a hypothetical species of fowl. It was first described in 1813 by Coenraad Jacob Temminck who named it on the basis of a large foot that he received, having a spur. Temminck thought it was a wild bird from southern Sumatra and western Java. Temminck assigned large domestic... | Gallus giganteus | Biology | 270 |
944,836 | https://en.wikipedia.org/wiki/List%20of%20North%20American%20broadcast%20station%20classes | This is a list of broadcast station classes applicable in much of North America under international agreements between the United States, Canada and Mexico. Effective radiated power (ERP) and height above average terrain (HAAT) are listed unless otherwise noted.
All radio and television stations within of the US-Cana... | List of North American broadcast station classes | Engineering | 4,214 |
1,249,440 | https://en.wikipedia.org/wiki/Osmotic%20stress%20technique | The osmotic stress technique is a method for measuring the effect of water on biological molecules, particularly enzymes. Just as the properties of molecules can depend on the presence of salts, pH, and temperature, they can depend significantly on the amount of water present. In the osmotic stress technique, flexibl... | Osmotic stress technique | Chemistry,Biology | 136 |
24,803,004 | https://en.wikipedia.org/wiki/Smaart | Smaart (System Measurement Acoustical Analysis in Real Time) is a suite of audio and acoustical measurements and instrumentation software tools introduced in 1996 by JBL's professional audio division. It is designed to help the live sound engineer optimize sound reinforcement systems before public performance and activ... | Smaart | Physics | 3,300 |
506,291 | https://en.wikipedia.org/wiki/Phenakistiscope | The phenakistiscope (also known by the spellings phénakisticope or phenakistoscope) was the first widespread animation device that created a fluid illusion of motion. Dubbed and ('stroboscopic discs') by its inventors, it has been known under many other names until the French product name became common (with alterna... | Phenakistiscope | Physics | 4,824 |
20,759,958 | https://en.wikipedia.org/wiki/Bencyclane | Bencyclane is an antispasmodic, vasodilator, and platelet aggregation inhibitor.
Synthesis
Grignard addition of benzylmagnesiumbromide to suberone would give 1-benzylcycloheptanol [4006-73-9] (1'). Williamson ether synthesis with 3-dimethylaminopropylchloride [109-54-6] (2) completed the synthesis of bencyclane (3).
... | Bencyclane | Chemistry | 125 |
12,507,185 | https://en.wikipedia.org/wiki/Alan%20Carter%20%28philosopher%29 | Alan Brian Carter (born 1952) is Emeritus Professor of Moral Philosophy at the University of Glasgow.
Life and work
Carter earned a BA at the University of Kent at Canterbury, a MA at the University of Sussex and a DPhil at St Cross College at the University of Oxford.
Carter's first academic position was lecturer in... | Alan Carter (philosopher) | Environmental_science | 1,024 |
2,205,922 | https://en.wikipedia.org/wiki/List%20of%20biodiversity%20conservation%20sites%20in%20the%20United%20Kingdom | This article provides a list of sites in the United Kingdom which are recognised for their importance to biodiversity conservation. The list is divided geographically by region and county.
Inclusion criteria
Sites are included in this list if they are given any of the following designations:
Sites of importance in ... | List of biodiversity conservation sites in the United Kingdom | Biology | 291 |
75,049 | https://en.wikipedia.org/wiki/Electrostatic%20discharge | Electrostatic discharge (ESD) is a sudden and momentary flow of electric current between two differently-charged objects when brought close together or when the dielectric between them breaks down, often creating a visible spark associated with the static electricity between the objects.
ESD can create spectacular ele... | Electrostatic discharge | Physics | 2,447 |
1,724,862 | https://en.wikipedia.org/wiki/Capsella%20bursa-pastoris | Capsella bursa-pastoris, known as shepherd's purse because of its triangular flat fruits, which are purse-like, is a small annual and ruderal flowering plant in the mustard family (Brassicaceae).
Scientists have referred to this species as a protocarnivore, since it has been found that its seeds attract and kill nemat... | Capsella bursa-pastoris | Biology | 1,312 |
4,371,558 | https://en.wikipedia.org/wiki/Tiger%20bush | Tiger bush, or brousse tigrée in the French language, is a patterned vegetation community and ground consisting of alternating bands of trees, shrubs, or grass separated by bare ground or low herb cover, that run roughly parallel to contour lines of equal elevation. The patterns occur on low slopes in arid and semi-ari... | Tiger bush | Biology | 637 |
65,269,068 | https://en.wikipedia.org/wiki/Shallow%20%28underwater%20relief%29 | Shallow is an elevation of the bottom in the sea, river, lake, which impedes navigation. It is a type of an underwater relief where the depth of the water is low compared to that of the surrounding points.
Usually formed by sand or pebble deposits, can also be of volcanic origin or the result of human or animal activi... | Shallow (underwater relief) | Chemistry,Engineering,Environmental_science | 289 |
39,572,504 | https://en.wikipedia.org/wiki/Infosec%20Standard%205 | HMG Infosec Standard 5, or IS5, is a data destruction standard used by the British government.
Context
IS5 is part of a larger family of IT security standards published by CESG; it is referred to by the more general Infosec Standard No.1. IS5 is similar to DOD 5220.22-M (used in the USA).
Requirements
IS5 sets a wide... | Infosec Standard 5 | Technology | 451 |
12,571 | https://en.wikipedia.org/wiki/Galaxy%20groups%20and%20clusters | Galaxy groups and clusters are the largest known gravitationally bound objects to have arisen thus far in the process of cosmic structure formation. They form the densest part of the large-scale structure of the Universe. In models for the gravitational formation of structure with cold dark matter, the smallest structu... | Galaxy groups and clusters | Astronomy | 1,281 |
2,234,333 | https://en.wikipedia.org/wiki/Data%20%28computer%20science%29 | In computer science, data (treated as singular, plural, or as a mass noun) is any sequence of one or more symbols; datum is a single symbol of data. Data requires interpretation to become information. Digital data is data that is represented using the binary number system of ones (1) and zeros (0), instead of analog re... | Data (computer science) | Technology | 2,352 |
289,406 | https://en.wikipedia.org/wiki/Blood%20sugar%20level | The blood sugar level, blood sugar concentration, blood glucose level, or glycemia is the measure of glucose concentrated in the blood. The body tightly regulates blood glucose levels as a part of metabolic homeostasis.
For a 70 kg (154 lb) human, approximately four grams of dissolved glucose (also called "blood gluc... | Blood sugar level | Chemistry,Biology | 3,853 |
256,162 | https://en.wikipedia.org/wiki/Neutrophil | Neutrophils are a type of phagocytic white blood cell and part of innate immunity. More specifically, they form the most abundant type of granulocytes and make up 40% to 70% of all white blood cells in humans. Their functions vary in different animals. They are also known as neutrocytes, heterophils or polymorphonuclea... | Neutrophil | Biology | 4,471 |
60,724,218 | https://en.wikipedia.org/wiki/Feedback%20terminal | A feedback terminal is a physical device that is commonly used to collect large amounts of anonymous real-time feedback from customers, employees, travelers, visitors or students. Typically, feedback terminals feature buttons that users can press to indicate how satisfied they are with the service provided. This inform... | Feedback terminal | Technology | 755 |
41,768,703 | https://en.wikipedia.org/wiki/GLIC | The GLIC receptor is a bacterial (Gloeobacter) Ligand-gated Ion Channel, homolog to the nicotinic acetylcholine receptors. It is a proton-gated (the channel opens when it binds a proton, ion), cation-selective channel (it selectively lets the positive ions through). Like the nicotinic acetylcholine receptors is a func... | GLIC | Chemistry,Biology | 331 |
24,993,240 | https://en.wikipedia.org/wiki/Van%20der%20Corput%20lemma%20%28harmonic%20analysis%29 | In mathematics, in the field of harmonic analysis,
the van der Corput lemma is an estimate for oscillatory integrals
named after the Dutch mathematician J. G. van der Corput.
The following result is stated by E. Stein:
Suppose that a real-valued function is smooth in an open interval ,
and that for all .
Assume tha... | Van der Corput lemma (harmonic analysis) | Mathematics | 201 |
34,551,376 | https://en.wikipedia.org/wiki/Antieigenvalue%20theory | In applied mathematics, antieigenvalue theory was developed by Karl Gustafson from 1966 to 1968. The theory is applicable to numerical analysis, wavelets, statistics, quantum mechanics, finance and optimization.
The antieigenvectors are the vectors most turned by a matrix or operator , that is to say those for which ... | Antieigenvalue theory | Mathematics | 166 |
69,383,671 | https://en.wikipedia.org/wiki/Global%20catastrophe%20scenarios | Scenarios in which a global catastrophic risk creates harm have been widely discussed. Some sources of catastrophic risk are anthropogenic (caused by humans), such as global warming, environmental degradation, and nuclear war. Others are non-anthropogenic or natural, such as meteor impacts or supervolcanoes. The impact... | Global catastrophe scenarios | Biology | 8,186 |
57,821 | https://en.wikipedia.org/wiki/Wireless%20Markup%20Language | Wireless Markup Language (WML), based on XML, is an obsolete markup language intended for devices that implement the Wireless Application Protocol (WAP) specification, such as mobile phones. It provides navigational support, data input, hyperlinks, text and image presentation, and forms, much like HTML (Hypertext Mark... | Wireless Markup Language | Technology | 1,038 |
38,826,716 | https://en.wikipedia.org/wiki/HD%2079917 | HD 79917 is a single star in the southern constellation of Vela. It has the Bayer designation l (lowercase L) Velorum, while HD 79917 is the star's identifier from the Henry Draper Catalogue. The star has an orange hue and is faintly visible to the naked eye with an apparent visual magnitude of +4.92. It is located at ... | HD 79917 | Astronomy | 212 |
50,760,704 | https://en.wikipedia.org/wiki/GEOVIA | Dassault Systèmes GEOVIA is a set of geologic modeling and mining engineering software applications developed by the French engineering software company Dassault Systèmes. Formerly known as Gemcom, the company was founded in 1985 as a spin-off from by mining consultants SRK Consulting, with headquarters in Vancouver, B... | GEOVIA | Engineering | 73 |
144,929 | https://en.wikipedia.org/wiki/Boron%20group | |-
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The boron group are the chemical elements in group 13 of the periodic table, consisting of boron (B), aluminium (Al), gallium (Ga), indium (In), thallium (Tl) and nihonium (Nh). ... | Boron group | Chemistry | 5,683 |
19,841,881 | https://en.wikipedia.org/wiki/Nokia%202760 | The Nokia 2760 is a clamshell Mobile phone released by Nokia in 2007 and manufactured in Hungary. Its operating frequency is Dual band GSM 900/1800(RM-258) or 850/1900(RM-259, RM-391 for T-Mobile USA). The phone supports EDGE for mobile broadband. The Nokia 2760 was popular in the late-2000s, with it being the most pop... | Nokia 2760 | Technology | 235 |
25,923,914 | https://en.wikipedia.org/wiki/Plutonium%E2%80%93gallium%20alloy | Plutonium–gallium alloy (Pu–Ga) is an alloy of plutonium and gallium, used in nuclear weapon pits, the component of a nuclear weapon where the fission chain reaction is started. This alloy was developed during the Manhattan Project.
Overview
Metallic plutonium has several different solid allotropes. The δ phase is th... | Plutonium–gallium alloy | Physics,Chemistry | 1,559 |
78,357,190 | https://en.wikipedia.org/wiki/Streptomycin%20thallous%20acetate%20actidione%20agar | 'Streptomycin thallous acetate actidione agar, often abbreviated STAA, is a selective culture medium designed to favor the growth of Brochothrix thermosphacta for lab study. This medium was developed in 1966, by George Alan Gardner.
Typical composition
STAA agar typically contains (w/v):
2.0% peptone
0.2% yeast extra... | Streptomycin thallous acetate actidione agar | Biology | 370 |
1,195,281 | https://en.wikipedia.org/wiki/Rugby%20league%20positions | A rugby league team consists of 13 players on the field, with 4 substitutes on the bench. Each of the 13 players is assigned a position, normally with a standardised number, which reflects their role in attack and defence, although players can take up any position at any time.
Players are divided into two general type... | Rugby league positions | Mathematics | 2,902 |
2,884,728 | https://en.wikipedia.org/wiki/Automated%20reasoning | In computer science, in particular in knowledge representation and reasoning and metalogic, the area of automated reasoning is dedicated to understanding different aspects of reasoning. The study of automated reasoning helps produce computer programs that allow computers to reason completely, or nearly completely, auto... | Automated reasoning | Mathematics | 1,694 |
78,810,231 | https://en.wikipedia.org/wiki/V553%20Centauri | V553 Centauri is a variable star in the southern constellation of Centaurus, abbreviated V553 Cen. It ranges in brightness from an apparent visual magnitude of 8.22 down to 8.80 with a period of 2.06 days. At that magnitude, it is too dim to be visible to the naked eye. Based on parallax measurements, it is located at ... | V553 Centauri | Astronomy | 544 |
47,706,049 | https://en.wikipedia.org/wiki/Gomphus%20pleurobrunnescens | Gomphus pleurobrunnescens is a species of fungus in the genus Gomphus, family Gomphaceae. It has been recorded from tropical locales of southeastern Mexico.
References
External links
Fungi of Mexico
Fungi described in 2010
Gomphaceae
Fungi without expected TNC conservation status
Fungus species | Gomphus pleurobrunnescens | Biology | 64 |
13,902,650 | https://en.wikipedia.org/wiki/Little%20brown%20bat | The little brown bat or little brown myotis (Myotis lucifugus) is an endangered species of mouse-eared microbat found in North America. It has a small body size and glossy brown fur. It is similar in appearance to several other mouse-eared bats, including the Indiana bat, northern long-eared bat, and Arizona myotis, to... | Little brown bat | Biology | 5,243 |
32,744,201 | https://en.wikipedia.org/wiki/Rogers%20polynomials | In mathematics, the Rogers polynomials, also called Rogers–Askey–Ismail polynomials and continuous q-ultraspherical polynomials, are a family of orthogonal polynomials introduced by in the course of his work on the Rogers–Ramanujan identities. They are q-analogs of ultraspherical polynomials, and are the Macdonald pol... | Rogers polynomials | Mathematics | 132 |
59,478,233 | https://en.wikipedia.org/wiki/Perpendicular%20paramagnetic%20bond | A perpendicular paramagnetic bond is a type of chemical bond that does not exist under normal, atmospheric conditions. Such a phenomenon was first hypothesized through simulation to exist in the atmospheres of white dwarf stars whose magnetic fields, on the order of 105 teslas, could allow such interactions to exist. I... | Perpendicular paramagnetic bond | Physics,Chemistry,Materials_science,Astronomy | 143 |
35,791,919 | https://en.wikipedia.org/wiki/20%CE%B1%2C22R-Dihydroxycholesterol | 20α,22R-Dihydroxycholesterol, or (3β)-cholest-5-ene-3,20,22-triol is an endogenous, metabolic intermediate in the biosynthesis of the steroid hormones from cholesterol. Cholesterol ((3β)-cholest-5-en-3-ol) is hydroxylated by cholesterol side-chain cleavage enzyme (P450scc) to form 22R-hydroxycholesterol, which is subse... | 20α,22R-Dihydroxycholesterol | Chemistry,Biology | 222 |
628,083 | https://en.wikipedia.org/wiki/Thomas%20Digges | Thomas Digges (; c. 1546 – 24 August 1595) was an English mathematician and astronomer. He was the first to expound the Copernican system in English but discarded the notion of a fixed shell of immoveable stars to postulate infinitely many stars at varying distances. He was also first to postulate the "dark night sky p... | Thomas Digges | Astronomy | 1,272 |
47,026,749 | https://en.wikipedia.org/wiki/Calvatia%20oblongispora | Calvatia oblongispora is a species of puffball from the genus Calvatia. Found in Brazil, it was described as new to science in 2009. The fruitbody is spherical or nearly so, measuring about in diameter. The thin, fragile peridium is readily detachable from the internal gleba. It is light beige and wrinkled, with a sma... | Calvatia oblongispora | Biology | 174 |
21,028,827 | https://en.wikipedia.org/wiki/Oil%20megaprojects%20%282020%29 | This page summarizes projects that propose to bring more than of new liquid fuel capacity to market with the first production of fuel beginning in 2020. This is part of the Wikipedia summary of Oil Megaprojects.
Quick links to other years
Detailed list of projects for 2020
References
Oil megaprojects
Oil fields
... | Oil megaprojects (2020) | Engineering | 70 |
10,374,695 | https://en.wikipedia.org/wiki/NGC%206782 | NGC 6782 is a barred spiral galaxy located in the southern constellation of Pavo, at a distance of approximately from the Milky Way. It was discovered on July 12, 1834 by English astronomer John Herschel. John L. E. Dreyer described it as, "considerably faint, considerably small, round, a little brighter middle, 9th m... | NGC 6782 | Astronomy | 289 |
6,261,649 | https://en.wikipedia.org/wiki/World%20Telecommunication%20and%20Information%20Society%20Day | World Telecommunication and Information Society Day is an international day proclaimed in November 2006 by the International Telecommunication Union Plenipotentiary Conference in Antalya, Turkey, to be celebrated annually on 17 May.
History
World Telecommunication Day
The day had previously been known as 'World Telec... | World Telecommunication and Information Society Day | Technology | 614 |
56,523,750 | https://en.wikipedia.org/wiki/Cyanoalanine | Cyanoalanine (more accurately β-Cyano-L-alanine) is an amino acid with the formula NCCH2CH(NH2)CO2H. Like most amino acids, it exists as a tautomer NCCH2CH(NH3+)CO2−. It is a rare example of a nitrile-containing amino acid. It is a white, water-soluble solid. It can be found in common vetch seeds.
Cyanoalanine arises... | Cyanoalanine | Chemistry | 187 |
11,128,746 | https://en.wikipedia.org/wiki/Verticillium%20dahliae | Verticillium dahliae is a fungal plant pathogen. It causes verticillium wilt in many plant species, causing leaves to curl and discolor. It may cause death in some plants. Over 400 plant species are affected by Verticillium complex.
Management
Verticillium dahliae has a wide host range and can persist as microsclero... | Verticillium dahliae | Biology | 1,022 |
24,111,099 | https://en.wikipedia.org/wiki/Psychotropic%20alkylamines | Psychotropic alkylamines are alkylamines that share the critical property of not containing an aromatic nucleus, but are still biologically active. While many of these molecules are stimulants, others are antiviral, have competitive NMDA antagonist activity, or are nicotinic receptor antagonists.
Alkenylamines
Isomet... | Psychotropic alkylamines | Chemistry | 88 |
35,184,684 | https://en.wikipedia.org/wiki/Mycoplasma%20haemomuris | Mycoplasma haemomuris, formerly known as Haemobartonella muris and Bartonella muris, is a Gram-negative bacillus. It is known to cause anemia in rats and mice.
References
Further reading
haemomuris | Mycoplasma haemomuris | Biology | 59 |
59,572,014 | https://en.wikipedia.org/wiki/SN-22 | SN-22 is a chemical compound which acts as a moderately selective agonist at the 5-HT2 family of serotonin receptors, with a Ki of 19 nM at 5-HT2 subtypes versus 514 nM at 5-HT1A receptors. Many related derivatives are known, most of which are ligands for 5-HT1A, 5-HT6 or dopamine D2 receptors or show SSRI activity.
S... | SN-22 | Chemistry | 153 |
8,893,870 | https://en.wikipedia.org/wiki/NGC%204194 | NGC 4194, the Medusa merger, is a galaxy merger in the constellation Ursa Major about away. It was discovered on April 2, 1791 by German-British astronomer William Herschel. Due to its disturbed appearance, it is object 160 in Halton Arp's 1966 Atlas of Peculiar Galaxies.
The morphological classification of NGC 4194 ... | NGC 4194 | Astronomy | 322 |
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