id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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17,206,404 | https://en.wikipedia.org/wiki/Open%20web%20steel%20joist | In structural engineering, the open web steel joist (OWSJ) is a lightweight steel truss consisting, in the standard form, of parallel chords and a triangulated web system, proportioned to span between bearing points.
The main function of an OWSJ is to provide direct support for roof or floor deck and to transfer the l... | Open web steel joist | Engineering | 1,349 |
37,018,394 | https://en.wikipedia.org/wiki/Johannes%20Groenland | Johannes Groenland (also spelled Grönland and called "Jean Groenland," 1824–1891) was a German botanist, horticulturist, and microscopist.
Early life
He was born on 8 April 1824 in Altona, a borough of Hamburg that was part of the Duchy of Holstein at that time. He was the son of Johann Friedrich Grönland, a German or... | Johannes Groenland | Chemistry | 714 |
35,262,599 | https://en.wikipedia.org/wiki/Grigorii%20Fikhtengol%27ts | Grigorii Mikhailovich Fikhtengol'ts (, ; 8 June 1888 – 26 June 1959) was a Soviet mathematician working on real analysis and functional analysis. Fikhtengol'ts was one of the founders of the Leningrad school of real analysis.
He was born in Odessa, Russian Empire in 1888, and graduated Odessa University in 1911.
He ... | Grigorii Fikhtengol'ts | Mathematics | 289 |
14,876,163 | https://en.wikipedia.org/wiki/Thymic%20stromal%20lymphopoietin | Thymic stromal lymphopoietin (TSLP) is an interleukin (IL)-2-like cytokine, alarmin, and growth factor involved in numerous physiological and pathological processes, primarily those of the immune system. It shares a common ancestor with IL-7.
Originally appreciated for its role in immune cell proliferation and develop... | Thymic stromal lymphopoietin | Chemistry | 1,744 |
75,771,425 | https://en.wikipedia.org/wiki/Christoph%20Merten | Christoph Merten (born 1976) is a German bio-engineer and entrepreneur; currently professor at EPFL (École Polytechnique Fédérale de Lausanne). He is an adjunct scientist at the Ludwig Institute for Cancer Research in Lausanne. His research focuses on developing biomedical microfluidics technologies for drug discovery,... | Christoph Merten | Engineering,Biology | 468 |
56,642,366 | https://en.wikipedia.org/wiki/Ellen%20Jorgensen | Ellen D. Jorgensen (born 2 June 1955) is a New York-based molecular biologist and serial entrepreneur. In addition to her long career in the biotechnology industry she is also credited with playing a leading role in promoting the do-it-yourself biology movement where she has worked to increase scientific literacy in th... | Ellen Jorgensen | Engineering,Biology | 2,326 |
75,036,351 | https://en.wikipedia.org/wiki/T%20Puppis | The Bayer designations T Puppis and t Puppis are distinct and refer to two different stars in the constellation Puppis:
T Puppis (HD 63640, TYC 7649-108-1, HIP 38074, HR 3041, 189 G. Puppis), a non-variable star, although T Puppis is a variable star designation
t Puppis (HR 2619, HD 52092, HIP 33558, TYC 7097-2515-1)... | T Puppis | Astronomy | 109 |
1,943,968 | https://en.wikipedia.org/wiki/Cativa%20process | The Cativa process is a method for the production of acetic acid by the carbonylation of methanol. The technology, which is similar to the Monsanto process, was developed by BP Chemicals and is under license by BP Plc. The process is based on an iridium-containing catalyst, such as the complex [Ir(CO)2I2]− (1).
The C... | Cativa process | Chemistry | 481 |
48,480,765 | https://en.wikipedia.org/wiki/Kepler-24b | Kepler-24b is an exoplanet orbiting the star Kepler-24, located in the constellation Lyra. It was discovered by the Kepler telescope in January 2012. It orbits its parent star at only 0.08 astronomical units away, and at its distance it completes an orbit once every 8.145 days.
References
Exoplanets discovered by the... | Kepler-24b | Astronomy | 95 |
76,785,918 | https://en.wikipedia.org/wiki/Erminia%20Calabrese | Erminia Calabrese, FLSW, is a Professor of Astronomy and the Director of Research at Cardiff University School of Physics and Astronomy. She works in observational cosmology using the cosmic microwave background radiation to understand the origins and evolution of the universe. In 2024 she became a Fellow of the Learne... | Erminia Calabrese | Astronomy | 800 |
30,958,981 | https://en.wikipedia.org/wiki/History%20of%20GLONASS | The satellite navigation system GLONASS was conceived in the late 1960s, and formal requirements were completed in 1970. The government of the Soviet Union made a decision to develop the system in 1976. Design work was carried out by specialists led by Vladimir Cheremisin at NPO PM in Krasnoyarsk-26. The first launch t... | History of GLONASS | Technology | 3,199 |
41,077,350 | https://en.wikipedia.org/wiki/OpenWorm | OpenWorm is an international open science project for the purpose of simulating the roundworm Caenorhabditis elegans at the cellular level. Although the long-term goal is to model all 959 cells of the C. elegans, the first stage is to model the worm's locomotion by simulating the 302 neurons and 95 muscle cells. This b... | OpenWorm | Biology | 1,439 |
1,105,488 | https://en.wikipedia.org/wiki/Classification%20of%20Clifford%20algebras | In abstract algebra, in particular in the theory of nondegenerate quadratic forms on vector spaces, the finite-dimensional real and complex Clifford algebras for a nondegenerate quadratic form have been completely classified as rings. In each case, the Clifford algebra is algebra isomorphic to a full matrix ring over R... | Classification of Clifford algebras | Mathematics | 2,304 |
64,219 | https://en.wikipedia.org/wiki/Bernoulli%27s%20principle | Bernoulli's principle is a key concept in fluid dynamics that relates pressure, density, speed and height. Bernoulli's principle states that an increase in the speed of a parcel of fluid occurs simultaneously with a decrease in either the pressure or the height above a datum. The principle is named after the Swiss math... | Bernoulli's principle | Physics,Chemistry,Engineering | 4,616 |
13,565,582 | https://en.wikipedia.org/wiki/Phenindamine | Phenindamine (Nolahist, Thephorin) is an antihistamine and anticholinergic closely related to cyproheptadine. It was developed by Hoffman-La Roche in the late 1940s. It is used to treat symptoms of the common cold and allergies, such as sneezing, itching, rashes, and hives. Its efficacy against some symptoms of opioid ... | Phenindamine | Chemistry | 327 |
230,613 | https://en.wikipedia.org/wiki/Scythe | A scythe (, rhyming with writhe) is an agricultural hand tool for mowing grass or harvesting crops. It is historically used to cut down or reap edible grains, before the process of threshing. The scythe has been largely replaced by horse-drawn and then tractor machinery, but is still used in some areas of Europe and As... | Scythe | Physics | 3,027 |
73,792,277 | https://en.wikipedia.org/wiki/Diurnal%20mood%20variation | Diurnal mood variation or morning depression is a prominent depression symptom characterized by gradual mood improvement through the day, reaching its peak sometime after twilight. While the main form of diurnal mood variation presents itself as described, a reversed form, with a worsening of mood towards the evening, ... | Diurnal mood variation | Biology | 865 |
7,434,970 | https://en.wikipedia.org/wiki/Hard%20engineering | Hard engineering involves the construction of hydraulic structures to protect coasts from erosion. Such structures include seawalls, gabions, breakwaters, groynes and tetrapods.
Effects
Hard engineering can cause unintended environmental consequences, such as new erosion and altered sedimentation patterns, that are de... | Hard engineering | Environmental_science | 508 |
60,547,623 | https://en.wikipedia.org/wiki/Tris%28trimethylsilyl%29silane | Tris(trimethylsilyl)silane is the organosilicon compound with the formula (Me3Si)3SiH (where Me = CH3). It is a colorless liquid that is classified as a hydrosilane since it contains an Si-H bond. The compound is notable as having a weak Si-H bond, with a bond dissociation energy estimated at 84 kcal/mol. For compar... | Tris(trimethylsilyl)silane | Chemistry | 375 |
1,983,847 | https://en.wikipedia.org/wiki/Institutional%20review%20board | An institutional review board (IRB), also known as an independent ethics committee (IEC), ethical review board (ERB), or research ethics board (REB), is a committee at an institution that applies research ethics by reviewing the methods proposed for research involving human subjects, to ensure that the projects are eth... | Institutional review board | Chemistry,Technology | 4,510 |
21,547,318 | https://en.wikipedia.org/wiki/List%20of%20LED%20failure%20modes | The most common way for LEDs (and diode lasers) to fail is the gradual lowering of light output and loss of efficiency. Sudden failures, however rare, can occur as well. Early red LEDs were notable for their short lifetime.
Packaging-related
Epoxy degradation: Some materials of the plastic package tend to yellow when ... | List of LED failure modes | Technology | 834 |
3,746,579 | https://en.wikipedia.org/wiki/New%20methylene%20blue | is an organic compound of the thiazine class of heterocycles. It is used as a stain and as an antimicrobial agent. It is classified as an azine dye, and the chromophore is a cation, the anion is often unspecified.
Applications
NMB is a staining agent used in diagnostic cytopathology and histopathology, typically for s... | New methylene blue | Chemistry,Biology | 151 |
5,593,281 | https://en.wikipedia.org/wiki/Wisconsin%20Integrally%20Synchronized%20Computer | The Wisconsin Integrally Synchronized Computer (WISC) was an early digital computer designed and built at the University of Wisconsin–Madison. Operational in 1954, it was the first digital computer in the state.
Pioneering computer designer Gene Amdahl drafted the WISC's design as his PhD thesis. The computer was buil... | Wisconsin Integrally Synchronized Computer | Technology | 332 |
78,262,034 | https://en.wikipedia.org/wiki/NGC%203833 | NGC 3833 is a barred spiral galaxy located in the constellation Virgo, about 280 million light-years from Earth. Discovered by astronomer William Herschel on April 15, 1784, NGC 3833 has a Hubble classification of "Sc," indicating loosely wound spiral arms and a relatively small central bulge. The galaxy spans roughly ... | NGC 3833 | Astronomy | 362 |
50,768,319 | https://en.wikipedia.org/wiki/Multiple%20scattering%20theory | Multiple scattering theory (MST) is the mathematical formalism that is used to describe the propagation of a wave through a collection of scatterers. Examples are acoustical waves traveling through porous media, light scattering from water droplets in a cloud, or x-rays scattering from a crystal. A more recent applicat... | Multiple scattering theory | Physics,Chemistry | 1,748 |
45,275,735 | https://en.wikipedia.org/wiki/Heinz%20Werner%27s%20orthogenetic%20principle | Heinz Werner's orthogenetic principle is a foundation for current theories of developmental psychology and developmental psychopathology. Initially proposed in 1940, it was formulated in 1957 and states that "wherever development occurs it proceeds from a state of relative globality and lack of differentiation to a sta... | Heinz Werner's orthogenetic principle | Biology | 230 |
6,101,309 | https://en.wikipedia.org/wiki/Quantities%20of%20information | The mathematical theory of information is based on probability theory and statistics, and measures information with several quantities of information. The choice of logarithmic base in the following formulae determines the unit of information entropy that is used. The most common unit of information is the bit, or mo... | Quantities of information | Mathematics,Technology,Engineering | 1,394 |
4,157,154 | https://en.wikipedia.org/wiki/Small%20dodecicosahedron | In geometry, the small dodecicosahedron (or small dodekicosahedron) is a nonconvex uniform polyhedron, indexed as U50. It has 32 faces (20 hexagons and 12 decagons), 120 edges, and 60 vertices. Its vertex figure is a crossed quadrilateral.
Related polyhedra
It shares its vertex arrangement with the great stellated tru... | Small dodecicosahedron | Physics | 148 |
38,140 | https://en.wikipedia.org/wiki/Wide%20area%20network | A wide area network (WAN) is a telecommunications network that extends over a large geographic area. Wide area networks are often established with leased telecommunication circuits.
Businesses, as well as schools and government entities, use wide area networks to relay data to staff, students, clients, buyers and supp... | Wide area network | Technology | 1,235 |
2,225,997 | https://en.wikipedia.org/wiki/C%20Traps%20and%20Pitfalls | C Traps and Pitfalls is a slim computer programming book by former AT&T Corporation researcher and programmer Andrew Koenig, its first edition still in print in 2017, which outlines the many ways in which beginners and even sometimes quite experienced C programmers can write poor, malfunctioning and dangerous source co... | C Traps and Pitfalls | Technology | 193 |
215,255 | https://en.wikipedia.org/wiki/Abducens%20nerve | The abducens nerve or abducent nerve, also known as the sixth cranial nerve, cranial nerve VI, or simply CN VI, is a cranial nerve in humans and various other animals that controls the movement of the lateral rectus muscle, one of the extraocular muscles responsible for outward gaze. It is a somatic efferent nerve.
St... | Abducens nerve | Biology | 2,203 |
26,342,713 | https://en.wikipedia.org/wiki/MusiXTeX | MusiXTeX is a suite of open source music engraving macros and fonts that allow music typesetting in TeX, released under the GPL-2.0-or-later license.
History
Macros for typesetting music in TeX first appeared in 1987 (MuTeX) and were limited to one-staff systems.
In 1991, Daniel Taupin created MusicTeX, whose macros ... | MusiXTeX | Mathematics,Technology | 458 |
53,102,766 | https://en.wikipedia.org/wiki/Hemicordulia%20novaehollandiae | Hemicordulia novaehollandiae is not formally recognized as a species of dragonfly by collections in Australia. It was originally described as being in the family Corduliidae from Nouvelle-Hollande (Australia) in 1871 by Edmond de Sélys-Longchamps, and the location of the holotype is unknown.
References
Corduliidae
I... | Hemicordulia novaehollandiae | Biology | 82 |
15,093,076 | https://en.wikipedia.org/wiki/Lunar%20Expeditionary%20Complex | The LEK Lunar Expeditionary Complex was a lunar expedition and Moon base proposed by Valentin Glushko in 1974 as a Soviet response to the United States' Apollo program and as a successor to the Zvezda moonbase, which was based on the cancelled N1-L3 crewed Moon expedition program. If implemented, it was intended to hav... | Lunar Expeditionary Complex | Astronomy | 311 |
10,370,738 | https://en.wikipedia.org/wiki/Utah%20statistical%20areas | The U.S. currently has 12 statistical areas that have been delineated by the Office of Management and Budget (OMB). On July 21, 2023, the OMB delineated one combined statistical area, five metropolitan statistical areas, and six micropolitan statistical areas in Utah. As of 2023, the largest of these is the Salt Lake ... | Utah statistical areas | Mathematics | 204 |
43,871,397 | https://en.wikipedia.org/wiki/Coin%20of%20the%20Year%20Award | The Coin of the Year Award (COTY) is an awards program founded and annually conducted by the American publisher Krause Publications of Iola, Wisconsin, and directed at the coin producing industry. Awards are given for numismatic design, artistic vision and craftsmanship. A panel of international judges chooses the coin... | Coin of the Year Award | Engineering | 879 |
49,964,955 | https://en.wikipedia.org/wiki/Herman%20van%20Bekkum | Herman van Bekkum (26 September 1932 – 30 November 2020) was a Dutch organic chemist. He was professor of Catalysis in Organic Chemistry between 1971 and 1998 at Delft University of Technology. He served as rector magnificus of the university between 1975 and 1976. He was an expert in the field of carbohydrate chemistr... | Herman van Bekkum | Chemistry | 355 |
54,223 | https://en.wikipedia.org/wiki/Creator%20deity | A creator deity or creator god is a deity responsible for the creation of the Earth, world, and universe in human religion and mythology. In monotheism, the single God is often also the creator. A number of monolatristic traditions separate a secondary creator from a primary transcendent being, identified as a primary ... | Creator deity | Astronomy | 4,945 |
77,703,621 | https://en.wikipedia.org/wiki/Triprene | Triprene is an insecticide that is no longer in use. It is an insect growth regulator introduced by Zoecon Corporation (now Sandoz AG) under the "Altorick" trademark, registered 1974 and not renewed, expiring in 1980. The EPA records no registration, now or past.
Triprene is nontoxic to mammals, non-carcinogenic, not ... | Triprene | Chemistry | 207 |
1,157,423 | https://en.wikipedia.org/wiki/Printronix | Printronix is an American supplier of Industrial Print Solutions, Industrial Laser Printers and line and dot matrix printers. Printronix is based in Irvine, California, and operates across 14 offices worldwide.
Products
Printronix's printers are primarily used in industrial environments for printing high-volume labels... | Printronix | Technology | 534 |
2,936,950 | https://en.wikipedia.org/wiki/Common-pool%20resource | In economics, a common-pool resource (CPR) is a type of good consisting of a natural or human-made resource system (e.g. an irrigation system or fishing grounds), whose size or characteristics makes it costly, but not impossible, to exclude potential beneficiaries from obtaining benefits from its use. Unlike pure publi... | Common-pool resource | Environmental_science | 3,496 |
5,762,008 | https://en.wikipedia.org/wiki/Microbial%20genetics | Microbial genetics is a subject area within microbiology and genetic engineering. Microbial genetics studies microorganisms for different purposes. The microorganisms that are observed are bacteria and archaea. Some fungi and protozoa are also subjects used to study in this field. The studies of microorganisms involve ... | Microbial genetics | Chemistry,Biology | 4,732 |
42,478,623 | https://en.wikipedia.org/wiki/Sparse%20matrix%E2%80%93vector%20multiplication | Sparse matrix–vector multiplication (SpMV) of the form is a widely used computational kernel existing in many scientific applications. The input matrix is sparse. The input vector and the output vector are dense. In the case of a repeated operation involving the same input matrix but possibly changing numerical v... | Sparse matrix–vector multiplication | Mathematics | 106 |
27,846,134 | https://en.wikipedia.org/wiki/Alexey%20Ekimov | Alexey Ekimov or Aleksey Yekimov (; born 1945) is a Russian solid state physicist and a pioneer in nanomaterials research. He discovered the semiconductor nanocrystals known as quantum dots in 1981, while working at the Vavilov State Optical Institute. In 2023, he was awarded the Nobel Prize in Chemistry for this disc... | Alexey Ekimov | Chemistry,Materials_science | 479 |
20,838,863 | https://en.wikipedia.org/wiki/Rotten%20ice | Rotten ice is a loose term for ice that is melting or structurally disintegrating due to being honeycombed by liquid water, air, or contaminants trapped between the initial growth of ice crystals. It may appear transparent or splotchy grey, and it is generally found after spring or summer thaws, presenting a danger to ... | Rotten ice | Physics | 1,141 |
7,191,018 | https://en.wikipedia.org/wiki/Intel%20Paragon | The Intel Paragon is a discontinued series of massively parallel supercomputers that was produced by Intel in the 1990s. The Paragon XP/S is a productized version of the experimental Touchstone Delta system that was built at Caltech, launched in 1992. The Paragon superseded Intel's earlier iPSC/860 system, to which it ... | Intel Paragon | Technology | 595 |
14,725,973 | https://en.wikipedia.org/wiki/EPH%20receptor%20B4 | Ephrin type-B receptor 4 is a protein that in humans is encoded by the EPHB4 gene.
Ephrin receptors and their ligands, the ephrins, mediate numerous developmental processes, particularly in the nervous system. Based on their structures and sequence relationships, ephrins are divided into the ephrin-A (EFNA) class, whi... | EPH receptor B4 | Chemistry | 219 |
43,142,928 | https://en.wikipedia.org/wiki/Protecting%20and%20Securing%20Chemicals%20Facilities%20from%20Terrorist%20Attacks%20Act%20of%202014 | The Chemical Facility Anti-Terrorism Standards Program Authorization and Accountability Act of 2014 () is a bill that proposed making permanent the United States Department of Homeland Security’s (DHS’s) authority to regulate security at certain chemical facilities in the United States. Under the Chemical Facility Anti... | Protecting and Securing Chemicals Facilities from Terrorist Attacks Act of 2014 | Chemistry | 1,611 |
52,442,739 | https://en.wikipedia.org/wiki/Pseudoenzyme | Pseudoenzymes are variants of enzymes that are catalytically-deficient (usually inactive), meaning that they perform little or no enzyme catalysis. They are believed to be represented in all major enzyme families in the kingdoms of life, where they have important signaling and metabolic functions, many of which are on... | Pseudoenzyme | Chemistry,Biology | 459 |
18,605,515 | https://en.wikipedia.org/wiki/Bricard%20octahedron | In geometry, a Bricard octahedron is a member of a family of flexible polyhedra constructed by Raoul Bricard in 1897. The overall shape of one of these polyhedron may change in a continuous motion, without any changes to the lengths of its edges nor to the shapes of its faces.
These octahedra were the first flexible po... | Bricard octahedron | Physics | 1,345 |
28,752,828 | https://en.wikipedia.org/wiki/Seabrook%20Floodgate | The Inner Harbor Navigation Canal (IHNC) Seabrook Floodgate Structure is a flood barrier in the Industrial Canal in New Orleans, Louisiana. The floodgate is designed to protect the Industrial Canal and the surrounding areas from a storm surge from Lake Pontchartrain. It consists of two wide vertical lift gates and a ... | Seabrook Floodgate | Engineering | 500 |
33,666,376 | https://en.wikipedia.org/wiki/Huawei%20SingleRAN | Huawei SingleRAN is a radio access network (RAN) technology offered by Huawei that allows mobile telecommunications operators to support multiple mobile communications standards and wireless telephone services on a single network. The technology incorporates a software-defined radio device, and is designed with a conso... | Huawei SingleRAN | Technology,Engineering | 1,138 |
13,574,246 | https://en.wikipedia.org/wiki/Monoethanolamine%20oleate | Monoethanolamine oleate (ethanolammonium oleate) is an organic compound with the formula [CH3(CH2)7CH=CH(CH2)7CO2][H3NCH2CH2OH].. A colorless oily liquid, it is an example of a protic ionic liquid. It is a salt formed by the reaction between monoethanolamine and oleic acid.
Antivaricose agent
As an antivaricose agent... | Monoethanolamine oleate | Chemistry | 246 |
20,058,756 | https://en.wikipedia.org/wiki/Hard%20hexagon%20model | In statistical mechanics, the hard hexagon model is a 2-dimensional lattice model of a gas, where particles are allowed to be on the vertices of a triangular lattice but no two particles may be adjacent.
The model was solved by , who found that it was related to the Rogers–Ramanujan identities.
The partition function... | Hard hexagon model | Physics,Materials_science,Mathematics | 809 |
24,551,923 | https://en.wikipedia.org/wiki/Phillips%20relationship | In astrophysics, the Phillips relationship is the relationship between the peak luminosity of a Type Ia supernova and the speed of luminosity evolution after maximum light. The relationship was independently discovered by the American statistician and astronomer Bert Woodard Rust and the Soviet astronomer in the 1970s... | Phillips relationship | Physics,Chemistry,Astronomy | 597 |
66,144,538 | https://en.wikipedia.org/wiki/Games%2C%20Puzzles%2C%20and%20Computation | Games, Puzzles, and Computation is a book on game complexity, written by Robert Hearn and Erik Demaine, and published in 2009 by A K Peters. It is revised from Hearn's doctoral dissertation, which was supervised by Demaine. The Basic Library List Committee of the Mathematical Association of America has recommended it f... | Games, Puzzles, and Computation | Mathematics | 641 |
48,462,486 | https://en.wikipedia.org/wiki/Claudine%20Rinner | Claudine Rinner (born 1965) is a French amateur astronomer from Ottmarsheim in Alsace, France. She is an observer at Ottmarsheim Observatory and a discoverer of minor planets and comets, who received the Edgar Wilson Award for her discoveries.
Career
Participant in the Morocco Oukaimeden Sky Survey (MOSS), Rinner d... | Claudine Rinner | Astronomy | 351 |
56,953,827 | https://en.wikipedia.org/wiki/Andrew%20Hessel | Andrew Hessel is a pioneer in synthetic biology, a futurist, microbiologist and geneticist, and inventor and entrepreneur. He is a proponent of open source biology and advocates that cells are living computers and DNA is a programming language. He has been advocating for writing DNA since shortly after the original Hum... | Andrew Hessel | Biology | 997 |
1,564,675 | https://en.wikipedia.org/wiki/HD%2063454 | HD 63454, formally named Ceibo, is a star located in the southern circumpolar constellation Chamaeleon near the border with Mensa. To see the star, one needs a small telescope because it has an apparent magnitude of 9.36, which is below the limit for naked eye visibility. The object is located relatively close at a di... | HD 63454 | Astronomy | 514 |
48,350,186 | https://en.wikipedia.org/wiki/Radulomyces%20confluens | Radulomyces confluens is a species of crust fungus in the family Pterulaceae. It was originally described in 1815 by Elias Magnus Fries with the name Thelephora confluens. Danish botanist Mads Peter Christiansen made it the type species of his newly-circumscribed genus Radulomyces in 1960.
References
External links
... | Radulomyces confluens | Biology | 97 |
4,454,120 | https://en.wikipedia.org/wiki/Chromomycin%20A3 | Chromomycin A3 (CMA3) or Toyomycin is an anthraquinone antibiotic glycoside produced by the fermentation of a certain strain of Streptomyces griseus (No. 7).
Fluorescence properties
In the presence of Mg2+ ions, Chromomycin A3 binds reversibly to DNA, preferentially to contiguous G/C base pairs.
When bound to DNA,... | Chromomycin A3 | Biology | 246 |
75,401,320 | https://en.wikipedia.org/wiki/Anna%20Giacomini | Anna Giacomini is an Italian civil engineer, a fellow of the Australian Academy of Technological Sciences and Engineering in 2023, and a professor at the University of Newcastle.
Education
Giacomini has 20 years of experience in Rock Mechanics and Civil Engineering. She was awarded a PhD from the University of Parma... | Anna Giacomini | Engineering | 681 |
23,433,345 | https://en.wikipedia.org/wiki/Coremark | CoreMark is a benchmark that measures the performance of central processing units (CPU) used in embedded systems. It was developed in 2009 by Shay Gal-On at EEMBC and is intended to become an industry standard, replacing the Dhrystone benchmark. The code is written in C and contains implementations of the following alg... | Coremark | Technology,Engineering | 693 |
67,687,783 | https://en.wikipedia.org/wiki/Topographic%20steering | In fluid mechanics, topographic steering is the effect of potential vorticity conservation on the motion of a fluid parcel. This means that the fluid parcels will not only react to physical obstacles in their path, but also to changes in topography or latitude. The two types of 'fluids' where topographic steering is ma... | Topographic steering | Physics,Chemistry,Engineering,Environmental_science | 1,672 |
51,449,972 | https://en.wikipedia.org/wiki/California%20drought%20manipulation%20conspiracy%20theory | The California drought manipulation conspiracy theory is a conspiracy theory that proposes that the 2011–2017 drought was a deliberate, man-made phenomenon, created by weather modification. It is largely promoted by a number of self-proclaimed "independent researchers" and "scientists", and by alternative news outlets.... | California drought manipulation conspiracy theory | Technology | 366 |
70,798,598 | https://en.wikipedia.org/wiki/Aurantimycin%20A | Aurantimycin A is a depsipeptide antibiotic with the molecular formula C38H64N8O14. Aurantimycin A is produced by the bacterium Streptomyces aurantiacus. Aurantimycin A also show cytotoxic properties.
References
Further reading
Antibiotics
Depsipeptides
Cyclic peptides | Aurantimycin A | Chemistry,Biology | 75 |
17,798,384 | https://en.wikipedia.org/wiki/Operationally%20Responsive%20Space%20Office | The Operationally Responsive Space Office (ORS Office) is a joint initiative of the United States Department of Defense (DoD). The "stand up" of the office took place 21 May 2007 at Kirtland Air Force Base. The first director of the ORS Office was Col. Kevin McLaughlin, who was also the commander of the Space Developme... | Operationally Responsive Space Office | Astronomy | 877 |
59,853,673 | https://en.wikipedia.org/wiki/Deferrisoma | Deferrisoma is a genus of bacteria from the phylum Thermodesulfobacteriota.
See also
List of bacterial orders
List of bacteria genera
References
Thermodesulfobacteriota
Bacteria genera | Deferrisoma | Biology | 46 |
42,736,966 | https://en.wikipedia.org/wiki/Critical%20theory | Critical theory is a social, historical, and political school of thought and philosophical perspective which centers on analyzing and challenging systemic power relations in society, arguing that knowledge, truth, and social structures are fundamentally shaped by power dynamics between dominant and oppressed groups. Be... | Critical theory | Technology | 4,641 |
2,650,348 | https://en.wikipedia.org/wiki/Carl-Zeiss-Stiftung | The Carl-Zeiss-Stiftung (Carl Zeiss Foundation), legally located in Heidenheim an der Brenz and Jena, Germany, and with its administrative headquarters in Stuttgart, is the sole shareholder of the two companies Carl Zeiss AG and Schott AG. It was founded by Ernst Abbe in 1889 and named after his long-term partner Carl ... | Carl-Zeiss-Stiftung | Astronomy | 769 |
53,738,650 | https://en.wikipedia.org/wiki/The%20Doctor%20Falls | "The Doctor Falls" is the twelfth and final episode of the tenth series, and 843rd episode overall, of the British science fiction television series Doctor Who. It was written by Steven Moffat, directed by Rachel Talalay, and was broadcast on 1 July 2017 on BBC One. It is the second episode of a two-part story, the fir... | The Doctor Falls | Physics | 2,104 |
56,849,025 | https://en.wikipedia.org/wiki/Left-right%20asymmetry | In developmental biology, left-right asymmetry (LR asymmetry) is the process in early embryonic development that breaks the normal symmetry in the bilateral embryo. In vertebrates, left-right asymmetry is established early in development at a structure called the left-right organizer (the name of which varies between s... | Left-right asymmetry | Physics | 1,727 |
3,212,386 | https://en.wikipedia.org/wiki/Active%20living | Active living is a lifestyle that integrates physical activity into everyday routines, such as walking to the store or biking to work. Active living is not a formalized exercise program or routine, but instead means to incorporate physical activity, which is defined as any form of movement, into everyday life. Active l... | Active living | Engineering | 1,220 |
1,484,838 | https://en.wikipedia.org/wiki/Leaded%20glass | Leaded glass may refer to:
Lead glass, potassium silicate glass which has been impregnated with a small amount of lead oxide in its fabrication
Lead came glasswork, glass panels made by combining multiple small pieces of glass, which may be stained, textured or beveled, with cames or copper foil
Leadlight or leaded ... | Leaded glass | Chemistry | 108 |
33,316,865 | https://en.wikipedia.org/wiki/AdoMet%20MTase | S-adenosylmethionine-dependent methyltransferase (SAM-MTase or AdoMet-MTase) is a conserved protein domain and protein superfamily. SAM-MTase proteins are methyltransferases. There are five protein families within SAM-MTase,
SAM-MTases use S-adenosyl-L-methionine as a substrate for methylation, creating the product S... | AdoMet MTase | Biology | 240 |
44,981,512 | https://en.wikipedia.org/wiki/Istanbul%20region%20%28statistical%29 | The Istanbul Region (Turkish: İstanbul Bölgesi) (TR1) is a statistical region in Turkey.
Subregions and provinces
Istanbul Subregion (TR10)
Istanbul Province (TR100)
Age groups
Internal immigration
State register location of Istanbul residents
Marital status of 15+ population by gender
Education status of 15+... | Istanbul region (statistical) | Mathematics | 86 |
3,720,440 | https://en.wikipedia.org/wiki/Back%20pressure | Back pressure (or backpressure) is the term for a resistance to the desired flow of fluid through pipes. Obstructions or tight bends create backpressure via friction loss and pressure drop.
In distributed systems in particular event-driven architecture, back pressure is a technique to regulate flow of data, ensuring t... | Back pressure | Physics,Chemistry,Technology,Engineering | 507 |
67,525,912 | https://en.wikipedia.org/wiki/NGC%203608 | NGC 3608 is an elliptical galaxy located in the constellation Leo. It was discovered by William Herschel on March 14, 1784.
NGC 3608 is part of the Leo II Group of galaxies, including NGC 3605 and NGC 3607. It is approximately 13.0 billion years old. There is diffuse X-ray emission coming from this galaxy and NGC 3607... | NGC 3608 | Astronomy | 257 |
22,451,678 | https://en.wikipedia.org/wiki/CeramTec | The CeramTec Group is a developer and manufacturer of products and components made of technical ceramics (also known as advanced technical ceramics). The products are marketed through its own sales companies, among others. They are primarily used in medical technology, automotive engineering, electronics, equipment and... | CeramTec | Engineering | 1,480 |
49,862,247 | https://en.wikipedia.org/wiki/International%20Joint%20Conference%20on%20Web%20Intelligence%20and%20Intelligent%20Agent%20Technology | The IEEE/WIC/ACM '''International Joint Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT)''' is a colocated conference focusing on Web intelligence and Intelligent Agent Technology. The conference is a joint undertaking of the Institute of Electrical and Electronics Engineers (IEEE) Computer Soc... | International Joint Conference on Web Intelligence and Intelligent Agent Technology | Technology | 122 |
12,424,551 | https://en.wikipedia.org/wiki/Fluorescence%20cross-correlation%20spectroscopy | Fluorescence cross-correlation spectroscopy (FCCS) is a spectroscopic technique that examines the interactions of fluorescent particles of different colours as they randomly diffuse through a microscopic detection volume over time, under steady conditions.
Discovery
Eigen and Rigler first introduced the fluorescence ... | Fluorescence cross-correlation spectroscopy | Physics,Chemistry,Biology | 1,070 |
68,557,116 | https://en.wikipedia.org/wiki/Tiphaine%20Raguenel | Tiphaine Raguenel ( 13351373) was a Breton noblewoman and astrologer. She was the first wife of Bertrand du Guesclin.
Life
She was the oldest daughter of Robin Raguenel, seigneur de Chatel-Ogier and a veteran of the Combat of the Thirty. Her mother was Jeanne de Dinan, vicomtesse de La Bellière.
In 1363, she married... | Tiphaine Raguenel | Astronomy | 306 |
8,870,608 | https://en.wikipedia.org/wiki/Swastika%20Stone | The Swastika Stone is a stone adorned with a design that resembles a swastika, located on the Woodhouse Crag on the northern edge of Ilkley Moor in West Yorkshire, England. The design has a double outline with four curved arms and an attached S-shape, each enclosing a so-called 'cup' mark, the like of which can be foun... | Swastika Stone | Physics | 320 |
14,087,346 | https://en.wikipedia.org/wiki/Eirpac | EIRPAC is Ireland's packet switched X.25 data network. It replaced Euronet in 1984. Eirpac uses the DNIC 2724. HEAnet was first in operation via X.25 4.8Kb Eirpac connections back in 1985. By 1991 most Universities in Ireland used 64k Eirpac VPN connections. Today Eirpac is owned and operated by Eircom but does not acc... | Eirpac | Technology,Engineering | 290 |
78,142,100 | https://en.wikipedia.org/wiki/Soterenol | Soterenol (), also known as soterenol hydrochloride (; developmental code name MJ-1992) in the case of the hydrochloride salt, is a drug of the phenethylamine family described as an adrenergic, bronchodilator, and antiasthmatic which was never marketed. It is an analogue of salbutamol and acts as a β-adrenergic recepto... | Soterenol | Chemistry | 163 |
6,317,382 | https://en.wikipedia.org/wiki/218%20%28number%29 | 218 (two hundred [and] eighteen) is the natural number following 217 and preceding 219.
In mathematics
Mertens function (218) = 3, a record high.
218 is nontotient and also noncototient.
218 is the number of inequivalent ways to color the 12 edges of a cube using at most 2 colors, where two colorings are equivalent i... | 218 (number) | Mathematics | 124 |
53,368,843 | https://en.wikipedia.org/wiki/Al-Ashraf%20Umar%20II | Al-Malik Al-Ashraf (Mumahhid Al-Din) Umar Ibn Yūsuf Ibn Umar Ibn Alī Ibn Rasul (), known as Umar Ibn Yusuf (1296) was the third Rasulid sultan, who ruled as Al-Ashraf Umar II. He was also a mathematician, astronomer and physician.
Biography
Few biographical details about Al‑Malik al‑Ashraf ‘Umar are known. He was bor... | Al-Ashraf Umar II | Astronomy | 627 |
41,024,498 | https://en.wikipedia.org/wiki/Dazomet | Dazomet is a common soil fumigant that acts as a herbicide, fungicide, slimicide, and nematicide.
Applications
Dazomet is a chemical used to kill pests that inhibit plant growth through gaseous degradation. Dazomet is used as a soil sterilant on a variety of sites such as golf courses, nurseries, turf sites, and pot... | Dazomet | Chemistry,Biology | 667 |
39,208,494 | https://en.wikipedia.org/wiki/List%20of%20microscopists | This is a list of microscopists by alphabetical order of last name:
Ernst Abbe
Giovanni Battista Amici
Henry Baker
Francisco Balzarotti
Wynne Edwin Baxter
Eric Betzig
Gerd Binnig
David Cockayne
Christian Colliex
Frank Crisp
Gaia Pigino
Christian Gottfried Ehrenberg
Ulrike Endesfelder
Humberto Fernández M... | List of microscopists | Chemistry | 253 |
9,877,928 | https://en.wikipedia.org/wiki/Joint%20Committee%20on%20Vaccination%20and%20Immunisation | The Joint Committee on Vaccination and Immunisation (JCVI) is an independent expert advisory committee that advises United Kingdom health departments on immunisation, making recommendations concerning vaccination schedules and vaccine safety. It has a statutory role in England and Wales, and health departments in Scotl... | Joint Committee on Vaccination and Immunisation | Biology | 2,518 |
29,454,405 | https://en.wikipedia.org/wiki/Phospholipid%20acyltransferase | This family contains acyltransferases involved in phospholipid biosynthesis and proteins of unknown function. This family also includes tafazzin, the Barth syndrome gene.
Subfamilies
1-acyl-sn-glycerol-3-phosphate acyltransferase
Human proteins containing this domain
AGPAT1; AGPAT2; AGPAT3; AGPAT4; AGPA... | Phospholipid acyltransferase | Biology | 148 |
5,011,619 | https://en.wikipedia.org/wiki/Oracle%20Labs | Oracle Labs (formerly Sun Microsystems Laboratories, or Sun Labs) is a research and development branch of Oracle Corporation. The labs were created when Oracle acquired Sun Microsystems. Sun Labs was established in 1990 by Ivan Sutherland and Robert Sproull. The initial locations were in Menlo Park, California and Burl... | Oracle Labs | Technology | 254 |
56,789,579 | https://en.wikipedia.org/wiki/L%27Astronomie | LAstronomie () is a monthly astronomy magazine published by the Société astronomique de France (SAF). Sylvain Bouley, the president of SAF, is the publication director and astronomer Fabrice Mottez is the editor-in-chief.
History
The magazine was established by Camille Flammarion and the first issue, dated 1882, was ... | L'Astronomie | Astronomy | 458 |
11,322,755 | https://en.wikipedia.org/wiki/Corticium%20penicillatum | Corticium penicillatum is a species of fungus in the class Agaricomycetes. It is a corticioid fungus and a plant pathogen, the causal agent of coconut thread blight, a leaf disease of coconut palms. The species was originally described from Papua New Guinea in 1925 and has since been reported from Vanuatu, Fiji, and th... | Corticium penicillatum | Biology | 161 |
1,601,887 | https://en.wikipedia.org/wiki/Mount%20Wachusett | Mount Wachusett is a mountain in Massachusetts. It straddles towns of Princeton and Westminster, in Worcester County. It is the highest point in Massachusetts east of the Connecticut River. The mountain is named after a Native American term meaning "near the mountain" or "mountain place". The mountain is a popular hi... | Mount Wachusett | Biology | 1,068 |
8,852,523 | https://en.wikipedia.org/wiki/List%20of%20virtual%20printer%20software | The following is a list of Wikipedia articles relating to virtual printer software:
Free software
The following are distributed under free software licences:
CC PDF Converter (discontinued) – A Ghostscript-based virtual printer.
clawPDF – An open source virtual PDF/OCR/Image Printer with network sharing and ARM64 s... | List of virtual printer software | Technology | 413 |
50,724,296 | https://en.wikipedia.org/wiki/AN/ALQ-218 | The AN/ALQ-218 is an American airborne electronic warfare radar warning receiver (RWR) system, found on Grumman/Northrop Grumman EA-6B Prowler and Boeing EA-18G Growler aircraft.
Description
The AN/ALQ-218 is an airborne passive Radar warning receiver / electronic warfare support measures / electronic signals intellig... | AN/ALQ-218 | Technology | 369 |
142,008 | https://en.wikipedia.org/wiki/Moscow%20theater%20hostage%20crisis | The Moscow theater hostage crisis (also known as the 2002 Nord-Ost siege) was the seizure of the crowded Dubrovka Theater in Moscow by Chechen terrorists on 23 October 2002, resulting in the taking of 912 hostages. The attackers, led by Movsar Barayev, claimed allegiance to the Islamist separatist movement in Chechnya.... | Moscow theater hostage crisis | Chemistry | 9,671 |
596,282 | https://en.wikipedia.org/wiki/Class%20number%20problem | In mathematics, the Gauss class number problem (for imaginary quadratic fields), as usually understood, is to provide for each n ≥ 1 a complete list of imaginary quadratic fields (for negative integers d) having class number n. It is named after Carl Friedrich Gauss. It can also be stated in terms of discriminants. Th... | Class number problem | Mathematics | 1,079 |
18,460,129 | https://en.wikipedia.org/wiki/Seratrodast | Seratrodast (development name, AA-2414; marketed originally as Bronica) is a thromboxane A2 (TXA2) receptor (TP receptor) antagonist used primarily in the treatment of asthma. It was the first TP receptor antagonist that was developed as an anti-asthmatic drug and received marketing approval in Japan in 1997. As of 201... | Seratrodast | Chemistry | 850 |
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