id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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24,572,347 | https://en.wikipedia.org/wiki/Spinellus%20fusiger | Spinellus fusiger, commonly known as bonnet mold, is a species of fungus in the phylum Mucoromycota. It is a pin mold that is characterized by erect sporangiophores (specialized hyphae that bear a sporangium) that are simple in structure, brown or yellowish-brown in color, and with branched aerial filaments that bear t... | Spinellus fusiger | Biology | 502 |
23,442,246 | https://en.wikipedia.org/wiki/Channelome | The channelome, sometimes called the "ion channelome", is the complete set of ion channels and porins expressed in a biological tissue or organism. It is analogous to the genome, the metabolome (describing metabolites), the proteome (describing general protein expression), and the microbiome. Characterization of the io... | Channelome | Chemistry | 281 |
23,802,570 | https://en.wikipedia.org/wiki/Ak%20singularity | In mathematics, and in particular singularity theory, an singularity, where is an integer, describes a level of degeneracy of a function. The notation was introduced by V. I. Arnold.
Let be a smooth function. We denote by the infinite-dimensional space of all such functions. Let denote the infinite-dimensional Li... | Ak singularity | Mathematics | 307 |
24,003,670 | https://en.wikipedia.org/wiki/C8H12N2O2 | {{DISPLAYTITLE:C8H12N2O2}}
The molecular formula C8H12N2O2 (molar mass: 168.193 g/mol) may refer to:
Hexamethylene diisocyanate
Pyridoxamine
Molecular formulas | C8H12N2O2 | Physics,Chemistry | 63 |
8,895,933 | https://en.wikipedia.org/wiki/ReBoot%3A%20My%20Two%20Bobs | ReBoot: My Two Bobs is a 2001 Canadian television film based on the series ReBoot, that continues the events set in motion by the cliffhanger ending in Daemon Rising. Along with Daemon Rising, the two films are considered the fourth season. It was originally broadcast in Canada as a film, but was later rebroadcast as f... | ReBoot: My Two Bobs | Technology | 1,062 |
11,503,447 | https://en.wikipedia.org/wiki/Immunolabeling | Immunolabeling is a biochemical process that enables the detection and localization of an antigen to a particular site within a cell, tissue, or organ. Antigens are organic molecules, usually proteins, capable of binding to an antibody. These antigens can be visualized using a combination of antigen-specific antibody... | Immunolabeling | Biology | 2,702 |
4,157,567 | https://en.wikipedia.org/wiki/Small%20snub%20icosicosidodecahedron | In geometry, the small snub icosicosidodecahedron or snub disicosidodecahedron is a uniform star polyhedron, indexed as U32. It has 112 faces (100 triangles and 12 pentagrams), 180 edges, and 60 vertices. Its stellation core is a truncated pentakis dodecahedron. It also called a holosnub icosahedron,
The 40 non-snub ... | Small snub icosicosidodecahedron | Physics | 382 |
9,080,562 | https://en.wikipedia.org/wiki/250%20nm%20process | The 250 nm process (250 nanometer process or 0.25 μm process) is a level of semiconductor process technology that was reached by most manufacturers in the 1997–1998 timeframe.
Products featuring 250 nm manufacturing process
The DEC Alpha 21264A, which was made commercially available in 1999.
The AMD K6-2 Chomper and C... | 250 nm process | Materials_science | 167 |
152,759 | https://en.wikipedia.org/wiki/Hilbert%27s%20second%20problem | In mathematics, Hilbert's second problem was posed by David Hilbert in 1900 as one of his 23 problems. It asks for a proof that arithmetic is consistent – free of any internal contradictions. Hilbert stated that the axioms he considered for arithmetic were the ones given in , which include a second order completeness... | Hilbert's second problem | Mathematics | 1,396 |
11,944,410 | https://en.wikipedia.org/wiki/Trimaximal%20mixing | Trimaximal mixing (also known as threefold maximal mixing) refers to the highly symmetric, maximally CP-violating, fermion mixing configuration, characterised by a unitary matrix () having all its elements equal in modulus
(, ) as may be written, e.g.:
where and
are the complex cube roots of unity. In the standard... | Trimaximal mixing | Physics | 203 |
23,980,762 | https://en.wikipedia.org/wiki/C19H21NS | {{DISPLAYTITLE:C19H21NS}}
The molecular formula C19H21NS (molar mass: 295.44 g/mol, exact mass: 295.1395 u) may refer to:
Dosulepin, also known as dothiepin
McN5652
Pizotifen, or pizotyline | C19H21NS | Chemistry | 74 |
33,092,714 | https://en.wikipedia.org/wiki/Energies%20%28journal%29 | Energies is a biweekly peer-reviewed open-access scientific journal. It was established in 2008 and is published by MDPI. The editor-in-chief is Enrico Sciubba (Sapienza University of Rome). The journal publishes original papers, review articles, technical notes, and letters to the editor. It concentrates on scientific... | Energies (journal) | Environmental_science | 166 |
21,987,832 | https://en.wikipedia.org/wiki/Jurkat%E2%80%93Richert%20theorem | The Jurkat–Richert theorem is a mathematical theorem in sieve theory. It is a key ingredient in proofs of Chen's theorem on Goldbach's conjecture.
It was proved in 1965 by Wolfgang B. Jurkat and Hans-Egon Richert.
Statement of the theorem
This formulation is from Diamond & Halberstam.
Other formulations are in Jurkat ... | Jurkat–Richert theorem | Mathematics | 355 |
32,551,420 | https://en.wikipedia.org/wiki/CUT%20domain | In molecular biology, the CUT domain (also known as ONECUT) is a DNA-binding motif which can bind independently or in cooperation with the homeodomain, which is often found downstream of the CUT domain. Proteins display two modes of DNA binding, which hinge on the homeodomain and on the linker that separates it from t... | CUT domain | Biology | 97 |
29,078,220 | https://en.wikipedia.org/wiki/Moiety%20%28kinship%29 | In the anthropological study of kinship, a moiety () is a descent group that coexists with only one other descent group within a society. In such cases, the community usually has unilineal descent (either patri- or matrilineal) so that any individual belongs to one of the two moiety groups by birth, and all marriages t... | Moiety (kinship) | Biology | 195 |
31,161,659 | https://en.wikipedia.org/wiki/Escherichia%20coli%20in%20molecular%20biology | Escherichia coli (; commonly abbreviated E. coli) is a Gram-negative gammaproteobacterium commonly found in the lower intestine of warm-blooded organisms (endotherms). The descendants of two isolates, K-12 and B strain, are used routinely in molecular biology as both a tool and a model organism.
Diversity
Escherich... | Escherichia coli in molecular biology | Biology | 1,929 |
46,363,918 | https://en.wikipedia.org/wiki/Squad%20%28video%20game%29 | Squad is a realism-based military tactical first-person shooter video game developed and published by Canadian indie developer Offworld Industries exclusively through the Steam distribution platform. It is a spiritual successor to the Project Reality modification for Battlefield 2. The game depicts realistic modern war... | Squad (video game) | Physics | 1,043 |
16,898,244 | https://en.wikipedia.org/wiki/B3%20domain | The B3 DNA binding domain (DBD) is a highly conserved domain found exclusively in transcription factors (≥40 species) () combined with other domains (). It consists of 100-120 residues, includes seven beta strands and two alpha helices that form a DNA-binding pseudobarrel protein fold (); it interacts with the major gr... | B3 domain | Chemistry,Biology | 293 |
2,728,797 | https://en.wikipedia.org/wiki/Delta%20Velorum | Delta Velorum (δ Velorum, abbreviated Delta Vel, δ Vel) is a triple star system in the southern constellation of Vela, near the border with Carina, and is part of the False Cross. Based on parallax measurements, it is approximately from the Sun. It is one of the stars that at times lies near the south celestial pole d... | Delta Velorum | Astronomy | 1,522 |
19,493,432 | https://en.wikipedia.org/wiki/Mary%20Tiles | Mary Tiles (born 1946) is a philosopher and historian of mathematics and science. From 2006 until 2009, she served as chair of the philosophy department of the University of Hawaii at Manoa. She retired in 2009.
Life
At Bristol University, Tiles obtained her B.A. in philosophy and mathematics in 1967, and her Ph.D. i... | Mary Tiles | Mathematics | 479 |
43,339,202 | https://en.wikipedia.org/wiki/10%20Serpentis | 10 Serpentis is a single, white-hued star in Serpens Caput, the western section of the equatorial constellation of Serpens. It is faintly visible to the naked eye with an apparent visual magnitude of 5.15. Located around distant, it is moving closer to the Sun with a heliocentric radial velocity of −10 km/s and will m... | 10 Serpentis | Astronomy | 281 |
5,556,716 | https://en.wikipedia.org/wiki/Romanian%20numbers | Romanian numbers are the system of number names used in Romanian to express counts, quantities, ranks in ordered sets, fractions, multiplication, and other information related to numbers.
In Romanian grammar, the words expressing numbers are sometimes considered a separate part of speech, called (plural: ), along wit... | Romanian numbers | Mathematics | 7,963 |
44,724,074 | https://en.wikipedia.org/wiki/Agricultural%20Hall%20of%20Fame%20of%20Quebec | The Agricultural Hall of Fame of Quebec (French: Temple de la renommée de l'agriculture du Québec) honours and celebrates those who have made a lasting contribution to the advancement in the field of agriculture in the province of Quebec, Canada.
A non-profit association founded in 1991 and located in Saint-Hyacinthe,... | Agricultural Hall of Fame of Quebec | Technology | 227 |
62,262,369 | https://en.wikipedia.org/wiki/Topo%20Chico | Topo-Chico is a brand of sparkling mineral water from Mexico. Topo-Chico is both naturally carbonated at the source and artificially carbonated.
History
Topo-Chico has been sourced from and bottled in Monterrey, Mexico since 1895. The drink takes its name from the mountain Cerro del Topo Chico in Monterrey.
In 2017, ... | Topo Chico | Chemistry | 572 |
55,669,529 | https://en.wikipedia.org/wiki/Costume%20book | A costume book is a collection of images or figures of dress worn by different people of different ranks and places. It emerged as a pictorial genre in the sixteenth century in Europe. Earlier costume books include figures from around the world. They are sometimes accompanied by text describing the costume and customs.... | Costume book | Engineering | 337 |
8,471,957 | https://en.wikipedia.org/wiki/Phosphophyllite | Phosphophyllite (, and phosphate) is a rare mineral with the chemical formula , composed of hydrated zinc phosphate. It is highly prized by collectors for its rarity and for its delicate bluish green colour. Phosphophyllite is rarely cut because it is fragile and brittle, and large crystals are too valuable to be broke... | Phosphophyllite | Chemistry | 241 |
32,908,673 | https://en.wikipedia.org/wiki/Bibenzyl | Bibenzyl is the organic compound with the formula (C6H5CH2)2. It can be viewed as a derivative of ethane in which one phenyl group is bonded to each carbon atom. It is a colorless solid.
Occurrences
The compound is the product from the coupling of a pair of benzyl radicals.
Bibenzyl forms the central core of some n... | Bibenzyl | Chemistry | 133 |
16,759 | https://en.wikipedia.org/wiki/Kevlar | Kevlar (para-aramid) is a strong, heat-resistant synthetic fiber, related to other aramids such as Nomex and Technora. Developed by Stephanie Kwolek at DuPont in 1965, the high-strength material was first used commercially in the early 1970s as a replacement for steel in racing tires. It is typically spun into ropes or... | Kevlar | Chemistry | 3,166 |
8,050,342 | https://en.wikipedia.org/wiki/Nose%20ring%20%28animal%29 | A nose ring is inserted into the nose of an animal. Nose rings are used to control bulls and occasionally cows, and to help wean young cattle by preventing suckling. Nose rings are used on pigs to discourage rooting. Some nose rings are installed through a pierced hole in the nasal septum or rim of the nose and remain ... | Nose ring (animal) | Biology | 1,488 |
24,202,148 | https://en.wikipedia.org/wiki/C6H3N3O8 | {{DISPLAYTITLE:C6H3N3O8}}
The molecular formula C6H3N3O8 may refer to:
Styphnic acid | C6H3N3O8 | Chemistry | 38 |
33,678,989 | https://en.wikipedia.org/wiki/Mayer%27s%20reagent | Mayer's reagent is an alkaloidal precipitating reagent used for the detection of alkaloids in natural products. Mayer's reagent is freshly prepared by dissolving a mixture of mercuric chloride (1.36 g) and of potassium iodide (5.00 g) in water (100.0 ml). Most alkaloids are precipitated from neutral or slightly acidic ... | Mayer's reagent | Chemistry | 163 |
61,585,646 | https://en.wikipedia.org/wiki/NGC%204312 | NGC 4312 is an edge-on unbarred spiral galaxy located about 55 million light-years away in the constellation Coma Berenices. It was discovered by astronomer William Herschel on January 14, 1787. NGC 4312 is a member of the Virgo Cluster and is a LINER galaxy.
It has undergone ram-pressure stripping in the past.
Black... | NGC 4312 | Astronomy | 156 |
6,881,874 | https://en.wikipedia.org/wiki/Sakari%20Pinom%C3%A4ki | Sakari Pinomäki (1933–2011) was a Finnish systems engineer and an inventor, who pioneered the mechanized forestry industry. He was the founder of PIKA Forest Machines which produced the first purpose-built forest machine in 1964 in Ylöjärvi
, Finland. His inventions had over 50 patents.
History
Sakari Pinomäki's first... | Sakari Pinomäki | Engineering | 762 |
49,842,259 | https://en.wikipedia.org/wiki/Lethal%20Injection%20Secrecy%20Act | The Lethal Injection Secrecy Act is a statute in the US state of Georgia that was signed by the state's governor, Nathan Deal, and went into effect that July. The law makes the identities of people who prescribe drugs used in lethal injections, as well as those of the companies that produce and supply them, state secre... | Lethal Injection Secrecy Act | Environmental_science | 337 |
1,082,916 | https://en.wikipedia.org/wiki/Magnetic%20helicity | In plasma physics, magnetic helicity is a measure of the linkage, twist, and writhe of a magnetic field.
Magnetic helicity is a useful concept in the analysis of systems with extremely low resistivity, such as astrophysical systems. When resistivity is low, magnetic helicity is conserved over longer timescales, to a g... | Magnetic helicity | Physics,Astronomy,Mathematics | 1,749 |
32,955,012 | https://en.wikipedia.org/wiki/GCM%20transcription%20factors | In molecular biology, the GCM transcription factors are a family of proteins which contain a GCM motif. The GCM motif is a domain that has been identified in proteins belonging to a family of transcriptional regulators involved in fundamental developmental processes which comprise Drosophila melanogaster GCM and its ma... | GCM transcription factors | Biology | 400 |
46,822,665 | https://en.wikipedia.org/wiki/H1504%2B65 | H1504+65 is an enigmatic peculiar star in the constellation Ursa Minor. With a surface temperature of 200,000 K (360,000°F) and an atmosphere composed of carbon, oxygen and 2% neon, it is the second hottest white dwarf ever discovered, with only RX J0439.8−6809 being hotter. It is thought to be the stellar core of a po... | H1504+65 | Astronomy | 119 |
23,342,173 | https://en.wikipedia.org/wiki/Reed%20%28weaving%29 | A reed is part of a weaving loom, and resembles a comb or a frame with many vertical slits. It is used to separate and space the warp threads, to guide the shuttle's motion across the loom, and to push the weft threads into place.
In most floor looms with, the reed is securely held by the beater. Floor looms and mechan... | Reed (weaving) | Engineering | 1,141 |
22,782,145 | https://en.wikipedia.org/wiki/Commander%20%28knife%29 | The Commander (knife) is a large recurve folding knife made by Emerson Knives, Inc. that was based on a custom design, the ES1-M, by Ernest Emerson that he originally built for a West Coast Navy SEAL Team. It was winner of the Blade Magazine Overall Knife of the Year Award for 1999.
History
The Commander has its orig... | Commander (knife) | Physics | 1,138 |
1,331,039 | https://en.wikipedia.org/wiki/Dirac%20large%20numbers%20hypothesis | The Dirac large numbers hypothesis (LNH) is an observation made by Paul Dirac in 1937 relating ratios of size scales in the Universe to that of force scales. The ratios constitute very large, dimensionless numbers: some 40 orders of magnitude in the present cosmological epoch. According to Dirac's hypothesis, the appar... | Dirac large numbers hypothesis | Physics,Astronomy | 1,511 |
1,827,330 | https://en.wikipedia.org/wiki/Max%20Planck%20Institute%20of%20Biochemistry | The Max Planck Institute of Biochemistry (; abbreviated MPIB) is a research institute of the Max Planck Society located in Martinsried, a suburb of Munich. The institute was founded in 1973 by the merger of three formerly independent institutes: the Max Planck Institute of Biochemistry, the Max Planck Institute of Prot... | Max Planck Institute of Biochemistry | Chemistry,Biology | 1,010 |
59,034,214 | https://en.wikipedia.org/wiki/Digital%20thread | Digital thread, also known as digital chain, is defined as “the use of digital tools and representations for design, evaluation, and life cycle management.”. It is a data-driven architecture that links data gathered during a Product lifecycle from all involved and distributed manufacturing systems. This data can come f... | Digital thread | Technology | 949 |
30,612,124 | https://en.wikipedia.org/wiki/Left-hand%E2%80%93right-hand%20activity%20chart | Left-hand–right-hand activity chart is an illustration that shows the contributions of the right and left hands of a worker and the balance of the workload between the right and left hands.
References
Further reading
Aft, L. S. (2000). Work measurements and methods improvement, Wiley, .
Industrial engineering | Left-hand–right-hand activity chart | Engineering | 65 |
218,320 | https://en.wikipedia.org/wiki/Ultraviolet%20catastrophe | The ultraviolet catastrophe, also called the Rayleigh–Jeans catastrophe, was the prediction of late 19th century and early 20th century classical physics that an ideal black body at thermal equilibrium would emit an unbounded quantity of energy as wavelength decreased into the ultraviolet range. The term "ultraviolet c... | Ultraviolet catastrophe | Physics | 882 |
59,919,751 | https://en.wikipedia.org/wiki/Hayward%20metric | The Hayward metric is the simplest description of a black hole which is non-singular. The metric was written down by Sean Hayward as the minimal model which is regular, static, spherically symmetric and asymptotically flat. The metric is not derived from any particular alternative theory of gravity, but provides a fram... | Hayward metric | Physics | 107 |
2,151,656 | https://en.wikipedia.org/wiki/Wave%20tank | A wave tank is a laboratory setup for observing the behavior of surface waves. The typical wave tank is a box filled with liquid, usually water, leaving open or air-filled space on top. At one end of the tank, an actuator generates waves; the other end usually has a wave-absorbing surface. A similar device is the rippl... | Wave tank | Physics,Chemistry | 600 |
61,611,982 | https://en.wikipedia.org/wiki/Richard%20Evershed | Richard Evershed is a Professor of Biogeochemistry and Fellow of the Royal Society.
Education and career
Evershed attended St Ivo School, St Ives in the late 1960s and graduated in 1978 from Nottingham Trent University (Trent Polytechnic, Nottingham) with a BSc in Applied Chemistry. He undertook his PhD in the Depart... | Richard Evershed | Chemistry | 1,088 |
5,826,615 | https://en.wikipedia.org/wiki/Representation%20rigid%20group | In mathematics, in the representation theory of groups, a group is said to be representation rigid if for every , it has only finitely many isomorphism classes of complex irreducible representations of dimension .
External links
The proalgebraic completion of rigid groups
Properties of groups
Representation theory o... | Representation rigid group | Mathematics | 61 |
34,266,985 | https://en.wikipedia.org/wiki/Dermabacteraceae | Dermabacteraceae is an Actinomycetota family.
Phylogeny
The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature and the phylogeny is based on whole-genome sequences.
Notes
References
Micrococcales
Soil biology | Dermabacteraceae | Biology | 62 |
34,133,981 | https://en.wikipedia.org/wiki/Autotoky | Autotoky is uniparental reproduction by self-fertilization or by parthenogenesis. The word comes from the Greek words auto meaning self and tokos meaning birth. Plants that reproduce by parthenogenesis usually do so by apomixis, a process that retains meiosis. Animals that reproduce by parthenogenesis usually use aut... | Autotoky | Biology | 164 |
11,420,931 | https://en.wikipedia.org/wiki/HgcC%20family%20RNA | HgcC is a small non coding RNA (ncRNA). It is the functional product of a gene which is not translated into protein.
This ncRNA gene was originally identified by computationally searching the genome of the thermophilic archea Methanococcus jannaschii for non-coding regions of high guanine-cytosine (GC) content. The o... | HgcC family RNA | Chemistry | 302 |
45,637,541 | https://en.wikipedia.org/wiki/Home%20lift | A home lift not to be confused with a home elevator is a type of lift specifically designed for private homes, where the design takes into consideration the following four factors:
1. Compact design in view of the limitations of space in a private residence,
2. Usage of the lift restricted primarily to the residents ... | Home lift | Technology,Engineering | 1,174 |
18,211,737 | https://en.wikipedia.org/wiki/HD%2017156%20b | HD 17156 b, named Mulchatna by the IAU, is an extrasolar planet approximately 255 light-years away in the constellation of Cassiopeia. The planet was discovered orbiting the yellow subgiant star HD 17156 in April 2007. The planet is classified as a relatively cool hot Jupiter planet slightly smaller than Jupiter but ... | HD 17156 b | Astronomy | 594 |
24,797,786 | https://en.wikipedia.org/wiki/Misonidazole | Misonidazole is a radiosensitizer that was investigated in clinical trials. It was used in these trials for radiation therapy to cause normally resistant hypoxic tumor cells to become sensitive to the treatment.
See also
Etanidazole
References
Secondary alcohols
Ethers
Nitroimidazoles | Misonidazole | Chemistry | 65 |
2,538,735 | https://en.wikipedia.org/wiki/Environmental%20education | Environmental education (EE) refers to organized efforts to teach how natural environments function, and particularly, how human beings can manage behavior and ecosystems to live sustainably. It is a multi-disciplinary field integrating disciplines such as biology, chemistry, physics, ecology, earth science, atmospheri... | Environmental education | Environmental_science | 6,627 |
65,895,602 | https://en.wikipedia.org/wiki/Maushop | Maushop (sometimes Moshup) is a mythical hero and giant from Wampanoag folklore. He is said to have several companions, including a giant frog and his wife Granny Squannit.
Mythology
Maushop served as an explanation for geographical locations. According to legend, he came from Aquinnah on Cape Cod and lived there fro... | Maushop | Astronomy | 241 |
1,122,854 | https://en.wikipedia.org/wiki/Equilibrium%20constant | The equilibrium constant of a chemical reaction is the value of its reaction quotient at chemical equilibrium, a state approached by a dynamic chemical system after sufficient time has elapsed at which its composition has no measurable tendency towards further change. For a given set of reaction conditions, the equilib... | Equilibrium constant | Chemistry | 5,648 |
11,306,710 | https://en.wikipedia.org/wiki/Phyllosticta%20coryli | Phyllosticta coryli is a plant pathogen infecting hazelnut.
References
External links
USDA ARS Fungal Database
Fungal plant pathogens and diseases
Hazelnut tree diseases
coryli
Fungi described in 1872
Fungus species | Phyllosticta coryli | Biology | 45 |
48,979,229 | https://en.wikipedia.org/wiki/NGC%201084 | NGC 1084 is an unbarred spiral galaxy in the constellation Eridanus. It is located at a distance of about 63 million light-years away from the Milky Way. The galaxy was discovered by William Herschel on 10 January 1785. It has multiple spiral arms, which are not well defined. It belongs in the same galaxy group with NG... | NGC 1084 | Astronomy | 376 |
320,340 | https://en.wikipedia.org/wiki/Needle%20and%20syringe%20programmes | A needle and syringe programme (NSP), also known as needle exchange program (NEP), is a social service that allows injection drug users (IDUs) to obtain clean and unused hypodermic needles and associated paraphernalia at little or no cost. It is based on the philosophy of harm reduction that attempts to reduce the risk... | Needle and syringe programmes | Chemistry,Biology | 6,393 |
23,783,987 | https://en.wikipedia.org/wiki/Roentgen%20%28unit%29 | The roentgen or röntgen (; symbol R) is a legacy unit of measurement for the exposure of X-rays and gamma rays, and is defined as the electric charge freed by such radiation in a specified volume of air divided by the mass of that air (statcoulomb per kilogram).
In 1928, it was adopted as the first international measur... | Roentgen (unit) | Mathematics | 2,562 |
46,471,596 | https://en.wikipedia.org/wiki/T%20Persei | T Persei is a red supergiant located in the constellation Perseus. It varies in brightness between magnitudes 8.3 and 9.7 and is considered to be a member of the Double Cluster.
T Persei is a member of the Perseus OB1 association around the h and χ Persei open clusters, around 2 degrees north of the centre of the clu... | T Persei | Astronomy | 313 |
49,376,069 | https://en.wikipedia.org/wiki/Premio%20M%C3%A9xico%20de%20Ciencia%20y%20Tecnolog%C3%ADa | Premio México de Ciencia y Tecnología is an award bestowed in by the CONACYT to Ibero-American (Latin America plus the Iberian Peninsula) scholars in recognition of advances in science and/or technology. In the selection of the recipients the work done on institutions located in Ibero-America is deemed particularly me... | Premio México de Ciencia y Tecnología | Technology | 313 |
14,891,677 | https://en.wikipedia.org/wiki/Demolition%20belt | In military terminology, a demolition belt is a selected land area sown with explosive charges, mines, and other available obstacles to deny use of the land to enemy operations, and as a protection to friendly troops.
There are two types of demolition belt:
A primary demolition belt is a continuous series of obstacl... | Demolition belt | Engineering | 131 |
93,427 | https://en.wikipedia.org/wiki/Lazy%20initialization | In computer programming, lazy initialization is the tactic of delaying the creation of an object, the calculation of a value, or some other expensive process until the first time it is needed. It is a kind of lazy evaluation that refers specifically to the instantiation of objects or other resources.
This is typically... | Lazy initialization | Technology | 5,829 |
55,611 | https://en.wikipedia.org/wiki/Alexandroff%20extension | In the mathematical field of topology, the Alexandroff extension is a way to extend a noncompact topological space by adjoining a single point in such a way that the resulting space is compact. It is named after the Russian mathematician Pavel Alexandroff.
More precisely, let X be a topological space. Then the Alexan... | Alexandroff extension | Mathematics | 1,867 |
40,600,688 | https://en.wikipedia.org/wiki/Ivlia%20%28ship%29 | Ivlia (bireme) is a modern reconstruction of an ancient Greek rowing warship (galley) with oars at two levels, and is an example of experimental archaeology. Between 1989 and 1994, this vessel undertook six international historical and geographical expeditions, tracing the route of the ancient seafarers.
Ship construc... | Ivlia (ship) | Engineering | 1,810 |
54,959,185 | https://en.wikipedia.org/wiki/Spiroligomer | Spiroligomer molecules (also known as bis-peptides) are synthetic oligomers made by coupling pairs of bis-amino acids into a fused ring system. Spiroligomer molecules are rich in stereochemistry and functionality because of the variety of bis-amino acids that are capable of being incorporated during synthesis. Due to t... | Spiroligomer | Chemistry,Materials_science,Biology | 745 |
24,573,437 | https://en.wikipedia.org/wiki/Narcissistic%20parent | A narcissistic parent is a parent affected by narcissism or narcissistic personality disorder. Typically, narcissistic parents are exclusively and possessively close to their children and are threatened by their children's growing independence. This results in a pattern of narcissistic attachment, in which the parent b... | Narcissistic parent | Biology | 1,900 |
10,238,162 | https://en.wikipedia.org/wiki/Mark%20Goresky | Robert Mark Goresky is a Canadian mathematician who invented intersection homology with his advisor and life partner Robert MacPherson.
Career
Goresky received his Ph.D. from Brown University in 1976. His thesis, titled Geometric Cohomology and Homology of Stratified Objects, was written under the direction of MacPhe... | Mark Goresky | Mathematics | 477 |
27,302,606 | https://en.wikipedia.org/wiki/Legal%20status%20of%20methamphetamine | The production, distribution, and sale of methamphetamine is restricted or illegal in many jurisdictions.
Legal status by country
Legality of similar chemicals
See ephedrine and pseudoephedrine for legal restrictions in place as a result of their use as precursors in the clandestine manufacture of methamphetamine.
R... | Legal status of methamphetamine | Chemistry | 79 |
31,981,546 | https://en.wikipedia.org/wiki/Coral%20Reef%20Initiative%20for%20the%20South%20Pacific | Coral Reef Initiative for the South Pacific (CRISP) is a French inter-ministerial project founded in 2002. Its aims focus on developing a vision for the future for coral reef ecosystems and the communities that depend on them within the French overseas territories and Pacific Island developing countries. Programme coor... | Coral Reef Initiative for the South Pacific | Biology | 570 |
73,742,058 | https://en.wikipedia.org/wiki/Pestalotiopsis%20pauciseta | Pestalotiopsis pauciseta is an endophytic fungi isolated from the leaves of several medicinal plants in tropical climates. Pestalotiopsis pauciseta is known for its role in medical mycology, having the ability to produce a chemical compound called paclitaxel (taxol). Taxol is the first billion-dollar anticancer drug, n... | Pestalotiopsis pauciseta | Biology | 564 |
5,642,853 | https://en.wikipedia.org/wiki/Gambling%20and%20information%20theory | Statistical inference might be thought of as gambling theory applied to the world around us. The myriad applications for logarithmic information measures tell us precisely how to take the best guess in the face of partial information. In that sense, information theory might be considered a formal expression of the the... | Gambling and information theory | Mathematics,Technology,Engineering | 1,939 |
4,923,477 | https://en.wikipedia.org/wiki/The%20Cheviot%2C%20the%20Stag%20and%20the%20Black%2C%20Black%20Oil | The Cheviot, the Stag and the Black, Black Oil is a play written in the 1970s by Merseyside-born playwright John McGrath. From April 1973, beginning at a venue in Aberdeen (Aberdeen Arts Centre), it was performed in a touring production in community centres on Scotland by 7:84 and other community theatre groups. A tele... | The Cheviot, the Stag and the Black, Black Oil | Chemistry | 1,042 |
2,828,566 | https://en.wikipedia.org/wiki/String%20theory%20landscape | In string theory, the string theory landscape (or landscape of vacua) is the collection of possible false vacua, together comprising a collective "landscape" of choices of parameters governing compactifications.
The term "landscape" comes from the notion of a fitness landscape in evolutionary biology. It was first ap... | String theory landscape | Physics,Astronomy | 1,315 |
7,963,586 | https://en.wikipedia.org/wiki/Anal%20columns | Anal columns (Columns of Morgagni or less commonly Morgagni's columns) are a number of vertical folds, produced by an infolding of the mucous membrane and some of the muscular tissue in the upper half of the lumen of the anal canal. They are named after Giovanni Battista Morgagni, who has several other eponyms named af... | Anal columns | Biology | 96 |
6,904,406 | https://en.wikipedia.org/wiki/MHC%20restriction | MHC-restricted antigen recognition, or MHC restriction, refers to the fact that a T cell can interact with a self-major histocompatibility complex molecule and a foreign peptide bound to it, but will only respond to the antigen when it is bound to a particular MHC molecule.
When foreign proteins enter a cell, they are... | MHC restriction | Biology | 1,848 |
59,863 | https://en.wikipedia.org/wiki/Correspondence%20principle | In physics, a correspondence principle is any one of several premises or assertions about the relationship between classical and quantum mechanics.
The physicist Niels Bohr coined the term in 1920 during the early development of quantum theory; he used it to explain how quantized classical orbitals connect to quantum ... | Correspondence principle | Physics | 1,970 |
3,023,644 | https://en.wikipedia.org/wiki/Idose | Idose is a hexose, a six carbon monosaccharide. It has an aldehyde group and is thus an aldose. Idose is not found in nature, but its oxidized derivative iduronic acid, is a component of dermatan sulfate and heparan sulfate, which are glycosaminoglycans. The first and third hydroxyls point the opposite way from the sec... | Idose | Chemistry | 152 |
29,253 | https://en.wikipedia.org/wiki/Spandrel | A spandrel is a roughly triangular space, usually found in pairs, between the top of an arch and a rectangular frame, between the tops of two adjacent arches, or one of the four spaces between a circle within a square. They are frequently filled with decorative elements.
Meaning
There are four or five accepted and cog... | Spandrel | Technology,Engineering | 582 |
78,371,710 | https://en.wikipedia.org/wiki/Butyrate%20fermentation | Butyrate fermentation is a process that produces butyric acid via anaerobic bacteria. This process occurs commonly in clostridia which can be isolated from many anaerobic environments such as mud, fermented foods, and intestinal tracts or feces. Clostridium can ferment carbohydrates into butyric acid, producing byprod... | Butyrate fermentation | Chemistry,Biology | 1,367 |
44,546,627 | https://en.wikipedia.org/wiki/Brook%20Advisory%20Centres | Brook Advisory Centres were set up by Lady Helen Brook in 1964 offering contraceptive advice to young single people under the age of 25.
Brook was asked in 1958 by the Eugenics Society to run the birth control clinic they had just been bequeathed by Marie Stopes. This clinic, unlike the Family Planning Association whe... | Brook Advisory Centres | Biology | 283 |
1,129,005 | https://en.wikipedia.org/wiki/Substantial%20equivalence | In food safety, the concept of substantial equivalence holds that the safety of a new food, particularly one that has been genetically modified (GM), may be assessed by comparing it with a similar traditional food that has proven safe in normal use over time. It was first formulated as a food safety policy in 1993, by ... | Substantial equivalence | Biology | 1,380 |
44,970,184 | https://en.wikipedia.org/wiki/National%20GPS%20Network | The British National GPS Network, known as OS Net, is a network of global navigation satellite system GNSS base stations covering Great Britain. It is managed by Ordnance Survey.
It provides access to a stable, national coordinate reference system (through downloaded GNSS data) that allows highly accurate location to ... | National GPS Network | Technology,Engineering | 193 |
15,516,517 | https://en.wikipedia.org/wiki/Application%20Level%20Events | Application Level Events (ALE) is a standard created by EPCglobal, an organization of industry leaders devoted to the development of standards for the Electronic Product Code (EPC) and Radio-frequency identification (RFID) technologies and standards. The ALE specification is a software specification indicating required... | Application Level Events | Engineering | 125 |
63,030,703 | https://en.wikipedia.org/wiki/Matching%20in%20hypergraphs | In graph theory, a matching in a hypergraph is a set of hyperedges, in which every two hyperedges are disjoint. It is an extension of the notion of matching in a graph.
Definition
Recall that a hypergraph is a pair , where is a set of vertices and is a set of subsets of called hyperedges. Each hyperedge may conta... | Matching in hypergraphs | Mathematics | 2,478 |
581,220 | https://en.wikipedia.org/wiki/Contraceptive%20sponge | The contraceptive sponge combines barrier and spermicidal methods to prevent conception. Sponges work in two ways. First, the sponge is inserted into the vagina, so it can cover the cervix and prevent any sperm from entering the uterus. Secondly, the sponge contains spermicide.
The sponges are inserted vaginally prior... | Contraceptive sponge | Biology | 484 |
23,561,715 | https://en.wikipedia.org/wiki/Carbon%20profiling | Carbon profiling is a mathematical process that calculates how much carbon dioxide is put into the atmosphere per m2 of space in a building over one year. The analysis has two parts that are added together to produce an overall figure that is termed the 'carbon profile':
Operational carbon emissions
Embodied carbon ... | Carbon profiling | Chemistry | 582 |
58,046,455 | https://en.wikipedia.org/wiki/Kawai%20Q-80 | The Kawai Q-80 by Kawai Musical Instruments in 1989, is a music sequencer that has a built in 2DD floppy disk drive for storage. It allows playback, editing, and recording via its MIDI connections. There is a battery backup to hold the configuration when the unit is powered down. The tempo can be set from 40-250 beats... | Kawai Q-80 | Engineering | 239 |
61,766,234 | https://en.wikipedia.org/wiki/Capronia%20mansonii | Capronia mansonii is a mesophilic black yeast that is a part of the Herpotrichiellaceae. The species is uncommon in nature but is saprotrophic in nature and been discovered on decaying plant matter, particularly wood. This fungus is naturally found in the Netherlands and has successfully been cultured in lab. It is a t... | Capronia mansonii | Biology | 1,021 |
47,686,993 | https://en.wikipedia.org/wiki/Root%20mucilage | Root mucilage is made of plant-specific polysaccharides or long chains of sugar molecules. This polysaccharide secretion of root exudate forms a gelatinous substance that sticks to the caps of roots. Root mucilage is known to play a role in forming relationships with soil-dwelling life forms. Just how this root mucilag... | Root mucilage | Chemistry | 1,148 |
33,968,017 | https://en.wikipedia.org/wiki/Enders%20SAMP/RAMP%20hydrazone-alkylation%20reaction | The Enders SAMP/RAMP hydrazone alkylation reaction is an asymmetric carbon-carbon bond formation reaction facilitated by pyrrolidine chiral auxiliaries. It was pioneered by E. J. Corey and Dieter Enders in 1976, and was further developed by Enders and his group. This method is usually a three-step sequence. The first s... | Enders SAMP/RAMP hydrazone-alkylation reaction | Chemistry | 2,782 |
21,257,731 | https://en.wikipedia.org/wiki/Aranella%20fimbriata | Aranella fimbriata is a taxonomic synonym that may refer to:
Utricularia longeciliata syn. [Aranella fimbriata Gleason]
Utricularia fimbriata syn. [Aranella fimbriata (Kunth) Barnhart]
Utricularia simulans syn. [Aranella fimbriata Barnhart]
Utricularia by synonymy | Aranella fimbriata | Biology | 92 |
62,035,010 | https://en.wikipedia.org/wiki/Sh%202-9 | Sh 2-9, also known as Gum 65, is combination emission and reflection nebula in the Scorpius constellation, surrounding the multiple star system Sigma Scorpii. Sigma Scorpii is 1° to the northwest of Messier 4, and the nebula can be easily seen with small telescopes.
Sharpless 9 is a red emission nebula that surrounds ... | Sh 2-9 | Astronomy | 238 |
3,126,169 | https://en.wikipedia.org/wiki/Ultra-low%20particulate%20air | Ultra-low particulate air (ULPA) is a type of air filter. A ULPA filter can remove from the air at least 99.999% of dust, pollen, mold, bacteria and any airborne particles with a minimum particle penetration size of 120 nanometres (0.12 μm, ultrafine particles). A ULPA filter can remove—to a large extent but not 100%—o... | Ultra-low particulate air | Chemistry,Engineering | 483 |
13,733,769 | https://en.wikipedia.org/wiki/Darcy%20friction%20factor%20formulae | In fluid dynamics, the Darcy friction factor formulae are equations that allow the calculation of the Darcy friction factor, a dimensionless quantity used in the Darcy–Weisbach equation, for the description of friction losses in pipe flow as well as open-channel flow.
The Darcy friction factor is also known as the Dar... | Darcy friction factor formulae | Physics,Chemistry,Engineering | 2,551 |
2,972,272 | https://en.wikipedia.org/wiki/Radite | Radite is a trade name for an early plastic, formed of pyroxylin—a partially nitrated cellulose— manufactured by DuPont and introduced by the Sheaffer Pen Company in 1924 when plastics were first used as a material for pen manufacture.
Sheaffer's Radite pens were the first commercial plastic pens, and Sheaffer market... | Radite | Physics | 157 |
46,984,439 | https://en.wikipedia.org/wiki/Penicillium%20ootensis | Penicillium ootensis is a species of fungus in the genus Penicillium.
References
Further reading
ootensis
Fungi described in 1996
Fungus species | Penicillium ootensis | Biology | 34 |
1,988,157 | https://en.wikipedia.org/wiki/Savitzky%E2%80%93Golay%20filter | A Savitzky–Golay filter is a digital filter that can be applied to a set of digital data points for the purpose of smoothing the data, that is, to increase the precision of the data without distorting the signal tendency. This is achieved, in a process known as convolution, by fitting successive sub-sets of adjacent da... | Savitzky–Golay filter | Engineering | 5,448 |
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