id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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7,947,339 | https://en.wikipedia.org/wiki/Boletus%20reticulatus | Boletus reticulatus (alternately known as Boletus aestivalis (Paulet) Fr.), and commonly referred to as the summer cep is a basidiomycete fungus of the genus Boletus. It occurs in deciduous forests of Europe, where it forms a symbiotic mycorrhizal relationship with species of oak (Quercus). The fungus produces fruiting... | Boletus reticulatus | Biology | 1,193 |
2,195,142 | https://en.wikipedia.org/wiki/Wallflower%20%28people%29 | A wallflower is someone with an introverted or shy personality type (or in more extreme cases, social anxiety) who will attend parties and social gatherings, but will usually distance themselves from the crowd and actively avoid being in the limelight. They are also social around friends but not strangers, though once ... | Wallflower (people) | Biology | 1,260 |
42,125,403 | https://en.wikipedia.org/wiki/Roku | Roku ( ) is a brand of consumer electronics that includes streaming players, smart TVs (and their operating systems), as well as a free TV streaming service. The brand is owned by Roku, Inc., an American company. As of 2024, Roku is the leading streaming TV distributor in the U.S., reaching nearly 120 million people.
... | Roku | Technology | 3,858 |
30,472,700 | https://en.wikipedia.org/wiki/Epoxy%20moisture%20control%20system | Epoxy moisture control systems are chemical barriers that are used to prevent moisture damage to flooring. Excessive moisture vapor emissions in concrete slabs can mean significant, expensive damage to a flooring installation. Hundreds of millions of dollars are spent annually just in the United States to correct moist... | Epoxy moisture control system | Engineering | 679 |
7,869,912 | https://en.wikipedia.org/wiki/Margatoxin | Margatoxin (MgTX) is a peptide that selectively inhibits Kv1.3 voltage-dependent potassium channels. It is found in the venom of Centruroides margaritatus, also known as the Central American Bark Scorpion. Margatoxin was first discovered in 1993. It was purified from scorpion venom and its amino acid sequence was deter... | Margatoxin | Chemistry | 2,111 |
6,168,750 | https://en.wikipedia.org/wiki/Bimorph | A bimorph is a cantilever used for actuation or sensing which consists of two active layers. It can also have a passive layer between the two active layers. In contrast, a piezoelectric unimorph has only one active (i.e. piezoelectric) layer and one passive (i.e. non-piezoelectric) layer.
Piezoelectric bimorph
The ter... | Bimorph | Physics | 252 |
39,594,285 | https://en.wikipedia.org/wiki/Spherical%20surface%20acoustic%20wave%20%28SAW%29%20sensor | Spherical surface acoustic wave sensors use a type of surface acoustic wave (SAW) that travels along the surface of a medium exhibiting elasticity with exponentially decaying amplitude along depth. MEMS-IDT technology allows the use of SAW waves to sense various gases. Sensitivity up to 10 ppm of hydrogen using a spher... | Spherical surface acoustic wave (SAW) sensor | Materials_science,Technology,Engineering | 193 |
3,310,078 | https://en.wikipedia.org/wiki/List%20of%20pioneers%20in%20computer%20science | This is a list of people who made transformative breakthroughs in the creation, development and imagining of what computers could do.
Pioneers
~ Items marked with a tilde are circa dates.
See also
Computer Pioneer Award
IEEE John von Neumann Medal
Grace Murray Hopper Award
History of computing
History of comp... | List of pioneers in computer science | Technology | 142 |
7,112,300 | https://en.wikipedia.org/wiki/Barberpole%20illusion | The barberpole illusion is a visual illusion that reveals biases in the processing of visual motion in the human brain. This visual illusion occurs when a diagonally striped pole is rotated around its vertical axis (horizontally), it appears as though the stripes are moving in the direction of its vertical axis (downwa... | Barberpole illusion | Physics | 604 |
35,630,702 | https://en.wikipedia.org/wiki/Hexapradol | Hexapradol (INN) is a psychostimulant drug which was never marketed.
It also had cytoprotective/antiulcer properties.
Synthesis
Synthesis methods are described.
See also
β-Phenylmethamphetamine
3,3-Diphenylcyclobutanamine
Phenylpropanolamine
Pipradrol
References
Abandoned drugs
Amines
Beta-Hydroxyamphetamine... | Hexapradol | Chemistry | 105 |
63,514,033 | https://en.wikipedia.org/wiki/NGC%20768 | NGC 768 is a barred spiral galaxy located in the constellation Cetus about 314 million light years from the Milky Way. It was discovered by the American astronomer Lewis Swift in 1885.
See also
List of NGC objects (1–1000)
References
External links
Barred spiral galaxies
0768
Cetus
007465 | NGC 768 | Astronomy | 64 |
532,542 | https://en.wikipedia.org/wiki/Companion%20matrix | In linear algebra, the Frobenius companion matrix of the monic polynomial
is the square matrix defined as
Some authors use the transpose of this matrix, , which is more convenient for some purposes such as linear recurrence relations (see below).
is defined from the coefficients of , while the characteristic poly... | Companion matrix | Mathematics | 1,103 |
37,170,575 | https://en.wikipedia.org/wiki/Thaxterogaster%20cinereoroseolus | Thaxterogaster cinereoroseolus is a species of truffle-like fungus in the family Cortinariaceae. Found in New South Wales, Australia, the species was described as new to science in 2010.
Taxonomy
The species was first described scientifically by Melissa Danks, Teresa Lebel, and Karl Vernes in a 2010 issue of the jour... | Thaxterogaster cinereoroseolus | Biology | 843 |
9,780,961 | https://en.wikipedia.org/wiki/Clinical%20case%20definition | In epidemiology, a clinical case definition, a clinical definition, or simply a case definition lists the clinical criteria by which public health professionals determine whether a person's illness is included as a case in an outbreak investigation—that is, whether a person is considered directly affected by an outbrea... | Clinical case definition | Environmental_science | 676 |
22,683,827 | https://en.wikipedia.org/wiki/Helvella%20ephippium | Helvella ephippium is a species of fungus in the family Helvellaceae, Pezizales order. It appears in summer and autumn as an upright white stem up to tall supporting a greyish-brown saddle-shaped cap. It is found in woodland and is variously listed as inedible or "edible but uninspiring".
Distribution
This is a Europ... | Helvella ephippium | Biology | 115 |
48,860,835 | https://en.wikipedia.org/wiki/Double%20summit | A double summit, double peak, twin summit, or twin peak is a mountain or hill that has two summits, separated by a col or saddle.
One well-known double summit is Austria's highest mountain, the Großglockner, where the main summit of the Großglockner is separated from that of the Kleinglockner by the Glocknerscharte co... | Double summit | Mathematics | 841 |
2,262,585 | https://en.wikipedia.org/wiki/Software%20package%20metrics | Various software package metrics are used in modular programming. They have been mentioned by Robert Cecil Martin in his 2002 book Agile software development: principles, patterns, and practices.
The term software package here refers to a group of related classes in object-oriented programming.
Number of classes an... | Software package metrics | Mathematics,Engineering | 558 |
57,756,777 | https://en.wikipedia.org/wiki/R13%20%28drug%29 | R13 is a small-molecule flavonoid and orally active, potent, and selective agonist of the tropomyosin receptor kinase B (TrkB) – the main signaling receptor for the neurotrophin brain-derived neurotrophic factor (BDNF) – which is under development for the potential treatment of Alzheimer's disease. It is a structural m... | R13 (drug) | Chemistry | 308 |
36,337,786 | https://en.wikipedia.org/wiki/Trash%20hook | The Trash hook is a tool used by firefighters for a variety of functions. The tool's primary purpose is to sift through trash during the overhaul stage of a dumpster fire. Secondarily, it can be used for roof ventilation and prying operations.
References
Firefighter tools
Hand tools | Trash hook | Engineering | 61 |
873,892 | https://en.wikipedia.org/wiki/London%20Hydraulic%20Power%20Company | The London Hydraulic Power Company was established in 1883 to install a hydraulic power network in London. This expanded to cover most of central London at its peak, before being replaced by electricity, with the final pump house closing in 1977.
History
The company was set up by an Act of Parliament (the London Hydr... | London Hydraulic Power Company | Physics,Chemistry | 700 |
37,812,104 | https://en.wikipedia.org/wiki/HolE | In E. coli and other bacteria, holE is a gene that encodes the theta subunit of DNA polymerase III.
References
Bacterial proteins
DNA replication | HolE | Chemistry,Biology | 31 |
335,094 | https://en.wikipedia.org/wiki/Reducing%20atmosphere | A reducing atmosphere is an atmosphere in which oxidation is prevented by absence of oxygen and other oxidizing gases or vapours, and which may contain actively reductant gases such as hydrogen, carbon monoxide, methane and hydrogen sulfide that would be readily oxidized to remove any free oxygen. Although Early Earth ... | Reducing atmosphere | Chemistry,Materials_science,Astronomy,Engineering | 1,067 |
13,937,760 | https://en.wikipedia.org/wiki/Collinder%20catalogue | The Collinder catalogue is a catalogue of 471 open clusters compiled by Swedish astronomer Per Collinder. It was published in 1931 as an appendix to Collinder's paper On structural properties of open galactic clusters and their spatial distribution.
The catalogue contains 452 open clusters, 11 globular clusters, 6 ast... | Collinder catalogue | Astronomy | 558 |
23,847,917 | https://en.wikipedia.org/wiki/4D-RCS%20Reference%20Model%20Architecture | The 4D/RCS Reference Model Architecture is a reference model for military unmanned vehicles on how their software components should be identified and organized.
The 4D/RCS has been developed by the Intelligent Systems Division (ISD) of the National Institute of Standards and Technology (NIST) since the 1980s.
This re... | 4D-RCS Reference Model Architecture | Mathematics,Technology,Engineering | 2,611 |
78,742,238 | https://en.wikipedia.org/wiki/Nivolumab/hyaluronidase | Nivolumab/hyaluronidase, sold under the brand name Opdivo Qvantig, is a fixed-dose combination anti-cancer medication used for the treatment of various forms of cancer. Nivolumab/hyaluronidase contains nivolumab, a programmed death receptor-1 (PD-1)-blocking monoclonal antibody; and hyaluronidase, an endoglycosidase. I... | Nivolumab/hyaluronidase | Chemistry | 450 |
19,866,616 | https://en.wikipedia.org/wiki/Benzyltrimethylammonium%20fluoride | Benzyltrimethylammonium fluoride is a quaternary ammonium salt. It is commercially available as the hydrate. The compound is a source of organic-soluble fluoride to removal of silyl ether protecting groups. As is the case for tetra-n-butylammonium fluoride and most other quaternary ammonium fluorides, the compound can... | Benzyltrimethylammonium fluoride | Chemistry | 112 |
5,774,572 | https://en.wikipedia.org/wiki/Ship%20resistance%20and%20propulsion | A ship must be designed to move efficiently through the water with a minimum of external force. For thousands of years ship designers and builders of sailing vessels used rules of thumb based on the midship-section area to size the sails for a given vessel. The hull form and sail plan for the clipper ships, for exampl... | Ship resistance and propulsion | Engineering | 1,167 |
1,906,495 | https://en.wikipedia.org/wiki/Software%20rot | Software rot (bit rot, code rot, software erosion, software decay, or software entropy) is the degradation, deterioration, or loss of the use or performance of software over time.
From a software user experience perspective, it is operating environmental evolution inclusive of hardware. The first cause for the object... | Software rot | Engineering | 1,910 |
44,933,789 | https://en.wikipedia.org/wiki/Leapfrog%20filter | A leapfrog filter is a type of active circuit electronic filter that simulates a passive electronic ladder filter. Other names for this type of filter are active-ladder or multiple feedback filter. The arrangement of feedback loops in the signal flow-graph of the simulated ladder filter inspired the name leapfrog fil... | Leapfrog filter | Chemistry | 1,286 |
47,538,091 | https://en.wikipedia.org/wiki/Boletus%20roseolateritius | Boletus roseolateritius is a bolete fungus found in the southern United States and northeast Mexico. It was described as a new species in 2003 by Alan Bessette, Ernst Both, and Dail Dunaway. The type collection was made in Mississippi, where it was found growing on the ground under American beech (Fagus grandifolia), n... | Boletus roseolateritius | Biology | 224 |
30,356,158 | https://en.wikipedia.org/wiki/SWORD%20%28protocol%29 | SWORD (Simple Web-service Offering Repository Deposit) is an interoperability standard that allows digital repositories to accept the deposit of content from multiple sources in different formats (such as XML documents) via a standardized protocol. In the same way that the HTTP protocol allows any web browser to talk ... | SWORD (protocol) | Technology | 610 |
22,446,531 | https://en.wikipedia.org/wiki/Hebeloma%20hiemale | Hebeloma hiemale is a species of mushroom in the family Hymenogastraceae.
hiemale
Fungi of Europe
Taxa named by Giacomo Bresadola
Fungus species | Hebeloma hiemale | Biology | 39 |
773,779 | https://en.wikipedia.org/wiki/Ulrika%20Babiakov%C3%A1 | Ulrika Babiaková (3 April 1976 – 3 November 2002) was a Slovak astronomer and discoverer of minor planets from Banská Štiavnica, Slovakia. She is credited by the Minor Planet Center with the discovery and co-discovery of 14 asteroids during 1998–2001.
Babiaková died at the age of 26 in an accident.
The main-belt aste... | Ulrika Babiaková | Astronomy | 139 |
18,611,260 | https://en.wikipedia.org/wiki/Hermaphrodite | A hermaphrodite () is a sexually reproducing organism that produces both male and female gametes. Animal species in which individuals are either male or female are gonochoric, which is the opposite of hermaphroditic.
The individuals of many taxonomic groups of animals, primarily invertebrates, are hermaphrodites, capa... | Hermaphrodite | Biology | 3,879 |
7,017,083 | https://en.wikipedia.org/wiki/Heterotrophic%20picoplankton | Heterotrophic picoplankton is the fraction of plankton composed by cells between 0.2 and 2 μm that do not perform photosynthesis. They form an important component of many biogeochemical cycles.
Cells can be either:
prokaryotes
Archaea form a major part of the picoplankton in the Antarctic and are abundant in other r... | Heterotrophic picoplankton | Biology | 707 |
623,465 | https://en.wikipedia.org/wiki/Metallate | Metallate or metalate is the name given to any complex anion containing a metal ligated to several atoms or small groups.
Typically, the metal will be one of the transition elements and the ligand will be oxygen or another chalcogenide or a cyanide group (though others are known). The chalcogenide metallates are known... | Metallate | Physics,Chemistry | 230 |
74,056,025 | https://en.wikipedia.org/wiki/Four%20Core%20Genotypes%20mouse%20model | Four Core Genotypes (FCG) mice are laboratory mice produced by genetic engineering that allow biomedical researchers to determine if a sex difference in phenotype is caused by effects of gonadal hormones or sex chromosome genes. The four genotypes include XX and XY mice with ovaries, and XX and XY mice with testes. Th... | Four Core Genotypes mouse model | Chemistry,Engineering,Biology | 314 |
2,374,688 | https://en.wikipedia.org/wiki/Evolutionary%20capacitance | Evolutionary capacitance is the storage and release of variation, just as electric capacitors store and release charge. Living systems are robust to mutations. This means that living systems accumulate genetic variation without the variation having a phenotypic effect. But when the system is disturbed (perhaps by stres... | Evolutionary capacitance | Biology | 2,305 |
1,446,859 | https://en.wikipedia.org/wiki/Polysomnography | Polysomnography (PSG) is a multi-parameter type of sleep study and a diagnostic tool in sleep medicine. The test result is called a polysomnogram, also abbreviated PSG. The name is derived from Greek and Latin roots: the Greek πολύς (polus for "many, much", indicating many channels), the Latin somnus ("sleep"), and the... | Polysomnography | Biology | 3,574 |
22,381,897 | https://en.wikipedia.org/wiki/ExxonMobil%20Electrofrac | ExxonMobil Electrofrac is an in situ shale oil extraction technology proposed by ExxonMobil for converting kerogen in oil shale to shale oil.
Technology
ExxonMobil Electrofrac uses a series of fractures created in the oil shale formation. Preferably these fractures should be longitudinal vertical fractures created fro... | ExxonMobil Electrofrac | Chemistry | 226 |
11,552,649 | https://en.wikipedia.org/wiki/Coniothyrium%20glycines | Coniothyrium glycines is a fungal plant pathogen infecting soybean.
History
This fungus species has undergone various name changes. Originally described in 1957, from soyabean leaf lesions and it was classified as a new species in the genus Pyrenochaeta, published as Pyrenochaeta glycines , due to the pycnidial stage ... | Coniothyrium glycines | Biology | 540 |
23,887,860 | https://en.wikipedia.org/wiki/C10H20 | {{DISPLAYTITLE:C10H20}}
The molecular formula C10H20 (molar mass: 140.26 g/mol, exact mass: 140.1565 u) may refer to:
Cyclodecane
Decene
p-Menthane
Molecular formulas | C10H20 | Physics,Chemistry | 61 |
16,553,719 | https://en.wikipedia.org/wiki/Earth-centered%20inertial | Earth-centered inertial (ECI) coordinate frames have their origins at the center of mass of Earth and are fixed with respect to the stars. "I" in "ECI" stands for inertial (i.e. "not accelerating"), in contrast to the "Earth-centered – Earth-fixed" (ECEF) frames, which remains fixed with respect to Earth's surface in i... | Earth-centered inertial | Astronomy,Mathematics | 1,120 |
96,628 | https://en.wikipedia.org/wiki/Offspring | In biology, offspring are the young creation of living organisms, produced either by sexual or asexual reproduction. Collective offspring may be known as a brood or progeny. This can refer to a set of simultaneous offspring, such as the chicks hatched from one clutch of eggs, or to all offspring produced over time, as ... | Offspring | Biology | 698 |
19,609,885 | https://en.wikipedia.org/wiki/Friedel%27s%20salt | Friedel's salt is an anion exchanger mineral belonging to the family of the layered double hydroxides (LDHs). It has affinity for anions as chloride and iodide and is capable of retaining them to a certain extent in its crystallographical structure.
Composition
Friedel's salt is a layered double hydroxide (LDH) of ge... | Friedel's salt | Physics,Chemistry,Materials_science,Engineering | 1,499 |
74,854,900 | https://en.wikipedia.org/wiki/List%20of%20heritage%20registers%20in%20Bosnia%20and%20Herzegovina | National Monuments of Bosnia and Herzegovina are declared and maintained through the Commission to preserve national monuments of Bosnia and Herzegovina or KONS.
State level
Commission to preserve national monuments of Bosnia and Herzegovina
Central Register of Monuments
Also, a Bosnia and Herzegovina state commi... | List of heritage registers in Bosnia and Herzegovina | Engineering | 709 |
76,628,961 | https://en.wikipedia.org/wiki/IC%204271 | IC 4271 is a spiral galaxy located some 800 million light-years away in the Canes Venatici constellation. It is 130,000 light-years in diameter. IC 4271 was first located on July 10, 1896, by Stephane Javelle, a French astronomer. It hosts a Seyfert type 2 nucleus, containing an acceleration disc around its supermassiv... | IC 4271 | Astronomy | 181 |
43,253,786 | https://en.wikipedia.org/wiki/AK%20Pictoris | AK Pictoris is a star system in the constellation Pictor. Its combined apparent magnitude is 6.182. Based on the system's parallax, it is located 69 light-years (21.3 parsecs) away. AK Pictoris is a member of the AB Doradus moving group, a group of stars with similar motions that are thought to be associated.
AK Picto... | AK Pictoris | Astronomy | 224 |
501,178 | https://en.wikipedia.org/wiki/MreB | MreB is a protein found in bacteria that has been identified as a homologue of actin, as indicated by similarities in tertiary structure and conservation of active site peptide sequence. The conservation of protein structure suggests the common ancestry of the cytoskeletal elements formed by actin, found in eukaryotes,... | MreB | Biology | 430 |
1,525,765 | https://en.wikipedia.org/wiki/Cluster%20%28physics%29 | In physics, the term clusters denotes small, polyatomic particles. As a rule of thumb, any particle made of between 3×100 and 3×107 atoms is considered a cluster.
The term can also refer to the organization of protons and neutrons within an atomic nucleus, e.g. the alpha particle (also known as "α-cluster"), consisti... | Cluster (physics) | Materials_science | 533 |
73,426,662 | https://en.wikipedia.org/wiki/Non-planetary%20abiogenesis | There are several hypotheses of the possibility of life originating in the universe in places other than planets, dated as early as 1774. Suggested locations are within stars, on the surface of stars, as well as in the interstellar space.
Life within the Sun
In 1965 astronomer Ernst Julius Öpik wrote the article "Is ... | Non-planetary abiogenesis | Astronomy,Biology | 1,051 |
30,290,243 | https://en.wikipedia.org/wiki/Elusimicrobiota | The phylum Elusimicrobiota, previously known as "Termite Group 1", has been shown to be widespread in different ecosystems like marine environment, sewage sludge, contaminated sites and soils, and toxic wastes. The high abundance of Elusimicrobiota representatives is only seen for the lineage of symbionts found in term... | Elusimicrobiota | Biology | 664 |
44,385,352 | https://en.wikipedia.org/wiki/ISO/IEC%2020248 | ISO/IEC 20248 Automatic Identification and Data Capture Techniques – Data Structures – Digital Signature Meta Structure is an international standard specification under development by ISO/IEC JTC 1/SC 31/WG 2. This development is an extension of SANS 1368, which is the current published specification. ISO/IEC 20248 an... | ISO/IEC 20248 | Engineering | 2,980 |
29,962,966 | https://en.wikipedia.org/wiki/Critical%20Foreign%20Dependencies%20Initiative | The Critical Foreign Dependencies Initiative (CFDI) is a strategy and list, maintained by the United States Department of Homeland Security, of foreign infrastructure which "if attacked or destroyed would critically impact the U.S." A copy of the 2008 list was redacted (removing details of names and locations) and leak... | Critical Foreign Dependencies Initiative | Engineering | 5,891 |
36,939,819 | https://en.wikipedia.org/wiki/Analog%20observation | Analog observation is, in contrast to naturalistic observation, a research tool by which a subject is observed in an artificial setting. Typically, types of settings in which analog observation is utilized include clinical offices or research laboratories, but, by definition, analog observations can be made in any arti... | Analog observation | Biology | 163 |
20,995,033 | https://en.wikipedia.org/wiki/Clathrus%20ruber | Clathrus ruber is a species of fungus in the family Phallaceae, and the type species of the genus Clathrus. It is commonly known as the latticed stinkhorn, the basket stinkhorn, or the red cage, alluding to the striking fruit bodies that are shaped somewhat like a round or oval hollow sphere with interlaced or latticed... | Clathrus ruber | Biology | 3,010 |
44,907,038 | https://en.wikipedia.org/wiki/6262%20aluminium%20alloy | 6262 aluminium alloy is an alloy in the wrought aluminium-magnesium-silicon family (6000 or 6xxx series). It is related to 6162 aluminium alloy (Aluminum Association designations that only differ in the second digit are variations on the same alloy), but sees much more widespread use. It is notably distinct from 6162, ... | 6262 aluminium alloy | Chemistry | 589 |
14,958,360 | https://en.wikipedia.org/wiki/Magic%20circle%20%28mathematics%29 | Magic circles were invented by the Song dynasty (960–1279) Chinese mathematician Yang Hui (c. 1238–1298). It is the arrangement of natural numbers on circles where the sum of the numbers on each circle and the sum of numbers on diameters are identical. One of his magic circles was constructed from the natural numbers f... | Magic circle (mathematics) | Mathematics | 1,231 |
7,621,850 | https://en.wikipedia.org/wiki/Saturn%20C-8 | The Saturn C-8 was the largest member of the Saturn series of rockets to be designed. It was a potential alternative to the Nova rocket, should NASA have chosen a direct ascent method of lunar exploration for the Apollo program. The first stage was an increased-diameter version of the S-IC. The second stage was an incr... | Saturn C-8 | Astronomy | 543 |
53,244,435 | https://en.wikipedia.org/wiki/C12orf66 | C12orf66 is a protein that in humans is encoded by the C12orf66 gene. The C12orf66 protein is one of four proteins in the KICSTOR protein complex which negatively regulates mechanistic target of rapamycin complex 1 (mTORC1) signaling.
Gene
C12orf66 is located on the minus strand in the locus 12q14.2. C12orf66 variant... | C12orf66 | Biology | 980 |
65,257,148 | https://en.wikipedia.org/wiki/MicMac%20%28software%29 | MicMac is an open-source software for photogrammetry developed by the French National Geographic Institute.
See also
Comparison of photogrammetry software
References
External links
Official website
Citations of Rupnik et al. (2017).
Photogrammetry software
Free and open-source software | MicMac (software) | Technology | 57 |
1,435,196 | https://en.wikipedia.org/wiki/Dragon%20%28rocket%29 | The Dragon is a two-stage French solid propellant sounding rocket used for high altitude research between 1962 and 1973. It belonged thereby to a family of solid-propellant rockets derived from the Bélier, including the Centaure, the Dauphin and the Éridan.
The dragon's first stage was a Stromboli engine (diameter 56 ... | Dragon (rocket) | Astronomy | 258 |
7,315,901 | https://en.wikipedia.org/wiki/Mil%C3%BC | Milü (; "close ratio"), also known as Zulü (Zu's ratio), is the name given to an approximation to (pi) found by Chinese mathematician and astronomer Zu Chongzhi in the 5th century. Using Liu Hui's algorithm (which is based on the areas of regular polygons approximating a circle), Zu famously computed to be between 3.... | Milü | Mathematics | 566 |
2,362 | https://en.wikipedia.org/wiki/Antibody | An antibody (Ab) or immunoglobulin (Ig) is a large, Y-shaped protein belonging to the immunoglobulin superfamily which is used by the immune system to identify and neutralize antigens such as bacteria and viruses, including those that cause disease. Antibodies can recognize virtually any size antigen, able to perceive ... | Antibody | Chemistry,Biology | 11,074 |
37,166,559 | https://en.wikipedia.org/wiki/Sea%20chest%20%28nautical%29 | The term sea chest is used for a rectangular or cylindrical recess in the hull of a ship.
Ship's reservoir/filter
The sea chest provides an intake reservoir from which piping systems draw raw water. Most sea chests are protected by removable gratings, and contain baffle plates to dampen the effects of vessel speed or... | Sea chest (nautical) | Engineering | 440 |
19,994,607 | https://en.wikipedia.org/wiki/Welded%20sculpture | Welded sculpture (related to visual art and works of art) is an art form in which sculpture is made using welding techniques.
History
Welded sculptures have a relatively short history, dating back only to the 20th century. Before the development of current welding technology, sculptures made from metal were either ca... | Welded sculpture | Engineering | 987 |
689,628 | https://en.wikipedia.org/wiki/Virilization | Virilization or masculinization is the biological development of adult male characteristics in young males or females. Most of the changes of virilization are produced by androgens.
Virilization is a medical term commonly used in three medical and biology of sex contexts: prenatal biological sexual differentiation, th... | Virilization | Physics,Chemistry,Biology | 1,336 |
1,448,579 | https://en.wikipedia.org/wiki/Black%20%26%20Lane%27s%20Ident%20Tones%20for%20Surround | Black & Lane's Ident Tones for Surround (BLITS) is a way of keeping track of channels in a mixed surround-sound, stereo, and mono world. It was developed by Martin Black and Keith Lane of Sky TV London in 2004. BLITS is used by Sky, the BBC and other European and US broadcasters to identify and lineup 5.1 broadcast cir... | Black & Lane's Ident Tones for Surround | Engineering | 439 |
10,004,115 | https://en.wikipedia.org/wiki/Brushed%20DC%20electric%20motor | A brushed DC electric motor is an internally commutated electric motor designed to be run from a direct current power source and utilizing an electric brush for contact.
Brushed motors were the first commercially important application of electric power to driving mechanical energy, and DC distribution systems were use... | Brushed DC electric motor | Technology,Engineering | 5,940 |
39,675,386 | https://en.wikipedia.org/wiki/Stressed%20member%20engine | A stressed member engine is a vehicle engine used as an active structural element of the chassis to transmit forces and torques, rather than being passively contained by the chassis with anti-vibration mounts. Automotive engineers use the method for weight reduction and mass centralization in vehicles. Applications are... | Stressed member engine | Technology,Engineering | 364 |
63,770,785 | https://en.wikipedia.org/wiki/Construction%20robots | Construction robots are a subset of industrial robots used for building and infrastructure construction at site. Despite being traditionally slow to adopt new technologies, 55% of construction companies in the United States, Europe, and China now say they use robots on job sites. Most of the robots working on jobsites... | Construction robots | Engineering | 330 |
54,078,197 | https://en.wikipedia.org/wiki/Fusarin | Fusarins are a class of mycotoxins produced mainly by fungi of the genus Fusarium, which can infect agriculturally important crops such as wheat, barley, oats, rye, and corn. Chemically, they are polyketides that are also derived from amino acids.
Some members of the class, particularly fusarin C, are mutagenic.
Exa... | Fusarin | Chemistry | 98 |
10,443,191 | https://en.wikipedia.org/wiki/Pink%20Visual | Pink Visual is an independent reality and gonzo pornography film production company, based in Van Nuys, California, United States. It began as an Internet pornography provider before eventually moving into DVD production. Pink Visual also licenses adult content to cable, satellite, pay-per-view, hotel chain channels, a... | Pink Visual | Technology | 1,882 |
14,556,606 | https://en.wikipedia.org/wiki/Dehydrocholic%20acid | Dehydrocholic acid is a synthetic bile acid, manufactured by the oxidation of cholic acid. It acts as a hydrocholeretic, increasing bile output to clear increased bile acid load.
References
Bile acids
Cholanes
Ketones | Dehydrocholic acid | Chemistry | 50 |
1,553,317 | https://en.wikipedia.org/wiki/Optical%20medium | In optics, an optical medium is material through which light and other electromagnetic waves propagate. It is a form of transmission medium. The permittivity and permeability of the medium define how electromagnetic waves propagate in it.
Properties
The optical medium has an intrinsic impedance, given by
where and... | Optical medium | Physics,Chemistry,Materials_science,Engineering | 299 |
28,301,803 | https://en.wikipedia.org/wiki/Crypto%2B%2B | Crypto++ (also known as CryptoPP, libcrypto++, and libcryptopp) is a free and open-source C++ class library of cryptographic algorithms and schemes written by Wei Dai. Crypto++ has been widely used in academia, student projects, open-source, and non-commercial projects, as well as businesses. Released in 1995, the libr... | Crypto++ | Mathematics | 1,117 |
54,456,719 | https://en.wikipedia.org/wiki/IRAS%2008544%E2%88%924431 | IRAS 08544−4431 is a binary system surrounded by a dusty ring in the constellation of Vela. The system contains an RV Tauri variable star and a more massive but much less luminous companion.
Binary
In 2003, IRAS 08544−4431 was being studied as a likely RV Tauri variable and was identified as a binary star from perio... | IRAS 08544−4431 | Astronomy | 749 |
13,460,657 | https://en.wikipedia.org/wiki/New%20York%20v.%20United%20States | New York v. United States, 505 U.S. 144 (1992), was a decision of the United States Supreme Court. Justice Sandra Day O'Connor, writing for the majority, found that the federal government may not require states to “take title” to radioactive waste through the "Take Title" provision of the Low-Level Radioactive Waste Po... | New York v. United States | Chemistry,Technology | 875 |
59,340,033 | https://en.wikipedia.org/wiki/Robert%20T.%20Clubb | Robert Thompson Clubb is an American scientist. He a professor of chemistry, biochemistry, and molecular biology at University of California, Los Angeles.
Early life and education
Robert Thompson Clubb was born to surgical nurse Vera Alice Thompson of Yakima, Washington and Jerome M. Clubb a professor of history. Clu... | Robert T. Clubb | Chemistry | 312 |
68,856,568 | https://en.wikipedia.org/wiki/Personal%20Information%20Protection%20Law%20of%20the%20People%27s%20Republic%20of%20China | The Personal Information Protection Law of the People's Republic of China (Chinese: 中华人民共和国个人信息保护法; pinyin: Zhōnghuá rénmín gònghéguó gèrén xìnxī bǎohù fǎ) referred to as the Personal Information Protection Law or ("PIPL") protecting personal information rights and interests, standardize personal information handling a... | Personal Information Protection Law of the People's Republic of China | Engineering | 3,312 |
50,906,849 | https://en.wikipedia.org/wiki/Intel%208257 | The Intel 8257 is a direct memory access (DMA) controller, a part of the MCS 85 microprocessor family. The chip is supplied in 40-pin DIP package.
See also
Intel 8237 - DMA Controller
External links
Intel: 8257/8257-5 Programmable DMA Controller (PDF; 2,2 MB).
NEC Electronics (Europe) GmbH, 1982 Catalog, p. 665–... | Intel 8257 | Technology | 121 |
20,623,257 | https://en.wikipedia.org/wiki/Form%20grabbing | Form grabbing is a form of malware that works by retrieving authorization and log-in credentials from a web data form before it is passed over the Internet to a secure server. This allows the malware to avoid HTTPS encryption. This method is more effective than keylogger software because it will acquire the user’s cred... | Form grabbing | Technology | 816 |
70,217,936 | https://en.wikipedia.org/wiki/Guy%20de%20T%C3%A9ramond%20Peralta | Guy de Téramond Peralta is a Costa Rican-French theoretical physicist. His research has been focused on nuclear and high energy physics. Following the quest for a wave equation similar to the Schrödinger equation in atomic physics, he introduced with Stanley Brodsky a nonperturbative first approximation to quantum chro... | Guy de Téramond Peralta | Physics | 1,276 |
77,262,226 | https://en.wikipedia.org/wiki/F%C5%ABrin | A is a small, bowl-shaped Japanese wind chime typically hung during the summer. A piece of paper called tanzaku (短冊) is usually hung from each fūrin to cause it to ring even with just a slight breeze. The sound of the fūrin and the sight of the paper blowing in the wind are seen by many Japanese people as having a co... | Fūrin | Physics | 543 |
2,098,913 | https://en.wikipedia.org/wiki/NGC%20147 | NGC 147 (also known as DDO3 or Caldwell 17) is a dwarf spheroidal galaxy about 2.58 Mly away in the constellation Cassiopeia. NGC 147 is a member of the Local group of galaxies and a satellite galaxy of the Andromeda Galaxy (M31). It forms a physical pair with the nearby galaxy NGC 185,
another remote satellite of M3... | NGC 147 | Astronomy | 576 |
3,615,656 | https://en.wikipedia.org/wiki/Iota%20Horologii%20b | Iota Horologii b (ι Hor b / ι Horologii b), often catalogued HR 810 b, is an extrasolar planet approximately 56.5 light-years away in the constellation of Horologium (the Pendulum Clock). Iota Horologii b has a minimum mass 2.26 times that of Jupiter; astrometric measurements from Gaia suggest it has a true mass of .
... | Iota Horologii b | Astronomy | 561 |
454,781 | https://en.wikipedia.org/wiki/Quadratic%20field | In algebraic number theory, a quadratic field is an algebraic number field of degree two over , the rational numbers.
Every such quadratic field is some where is a (uniquely defined) square-free integer different from and . If , the corresponding quadratic field is called a real quadratic field, and, if , it is cal... | Quadratic field | Mathematics | 1,156 |
55,848,604 | https://en.wikipedia.org/wiki/Moment%20distance%20index | The moment distance index (MDI) is a shape-based metric or shape index that can be used to analyze spectral reflectance curves and waveform LiDAR, proposed by Dr. Eric Ariel L. Salas and Dr. Geoffrey M. Henebry (Salas and Henebry, 2014). In the case of spectral data, the shape of the reflectance curve should unmask fin... | Moment distance index | Biology | 1,247 |
31,790,975 | https://en.wikipedia.org/wiki/KLF14 | Krüppel-like factor 14, also known as basic transcription element-binding protein 5 (BTEB5) is a protein that in humans is encoded by the KLF14 gene. The corresponding Klf14 mouse gene is known as Sp6.
Function
KLF14 is a member of the Krüppel-like factor family of transcription factors. It regulates the transcripti... | KLF14 | Chemistry,Biology | 271 |
9,387,395 | https://en.wikipedia.org/wiki/Stacked%20Volumetric%20Optical%20Disc | The Stacked Volumetric Optical Disc (or SVOD) is an optical disc format developed by Hitachi Maxell, which uses an array of wafer-thin optical discs to allow data storage.
Each "layer" (a thin polycarbonate disc) holds around 9.4 GB of information, and the wafers are stacked in layers of 20, 25, 100, or more, giving... | Stacked Volumetric Optical Disc | Technology | 512 |
68,444,148 | https://en.wikipedia.org/wiki/Walther%20graph | In the mathematical field of graph theory, the Walther graph, also called the Tutte fragment, is a planar bipartite graph with 25 vertices and 31 edges named after Hansjoachim Walther. It has chromatic index 3, girth 3 and diameter 8.
If the single vertex of degree 1 whose neighbour has degree 3 is removed, the result... | Walther graph | Mathematics | 174 |
70,634,752 | https://en.wikipedia.org/wiki/Atomitat | Atomitat (1962) was an underground bunker-home in Plainview, Texas, designed by architect Jay Swayze. The name of the home came from the combination of the words "atomic" and "habitat". It was the first home in the U.S. to meet civil defense specifications for a nuclear shelter.
History
Architect Jay Swayze stated th... | Atomitat | Chemistry,Technology | 473 |
52,325,183 | https://en.wikipedia.org/wiki/Polyporus%20gayanus | Polyporus gayanus is a species of fungus in the genus Polyporus. It was first documented in 1846 by French mycologist Joseph-Henri Léveillé.
References
External links
gayanus
Fungi described in 1846
Fungus species | Polyporus gayanus | Biology | 48 |
7,058,047 | https://en.wikipedia.org/wiki/History%20of%20Lorentz%20transformations | The history of Lorentz transformations comprises the development of linear transformations forming the Lorentz group or Poincaré group preserving the Lorentz interval and the Minkowski inner product .
In mathematics, transformations equivalent to what was later known as Lorentz transformations in various dimensions w... | History of Lorentz transformations | Mathematics | 5,939 |
71,632,647 | https://en.wikipedia.org/wiki/Solorinic%20acid | Solorinic acid is an anthraquinone pigment found in the leafy lichen Solorina crocea. It is responsible for the strong orange colour of the medulla and the underside of the thallus in that species. In its purified crystalline form, it exists as orange-red crystals with a melting point of .
The structure of solorinic a... | Solorinic acid | Chemistry | 322 |
6,710,186 | https://en.wikipedia.org/wiki/Capnomor | Capnomor (from Greek smoke + part) is a colorless oil with an aromatic odor which is extracted by distillation from beechwood tar. Its specific gravity is 0.9775 at 20 °C and boiling point is 185 °C. It was discovered in the 1830s by the German chemist Baron Karl von Reichenbach.
References
Hydrocarbons | Capnomor | Chemistry | 72 |
2,145,009 | https://en.wikipedia.org/wiki/Heliocentric%20orbit | A heliocentric orbit (also called circumsolar orbit) is an orbit around the barycenter of the Solar System, which is usually located within or very near the surface of the Sun. All planets, comets, and asteroids in the Solar System, and the Sun itself are in such orbits, as are many artificial probes and pieces of debr... | Heliocentric orbit | Engineering | 457 |
78,738,009 | https://en.wikipedia.org/wiki/China%20National%20Clearing%20Center | The China National Clearing Center (CNCC, , ) is a non-profit public institution administered by the People's Bank of China and created in May 1990. It runs several of China's key payment systems.
Specifically, the CNCC operates the China National Advanced Payment System (CNAPS, ), a payment system with two main appli... | China National Clearing Center | Technology | 1,011 |
70,114,313 | https://en.wikipedia.org/wiki/Xiaomi%20Mi%2011%20Ultra | Xiaomi Mi 11 Ultra is an Android high-end smartphone developed by Xiaomi, released in April 2021. It serves as the successor to the Xiaomi Mi 10 Ultra. Unlike its China-only predecessor, the Mi 11 Ultra is available for retail in the global market.
The Mi 11 Ultra is heavily marketed around its camera capabilities. At... | Xiaomi Mi 11 Ultra | Technology | 338 |
71,177,861 | https://en.wikipedia.org/wiki/Edmund%20Harriss | Edmund Orme Harriss (born 1976 in Worcester, UK) is a British mathematician, writer and artist. Since 2010 he has been at the Fulbright College of Arts & Sciences at The University of Arkansas in Fayetteville, Arkansas where he is an Assistant Professor of Arts & Sciences (ARSC) and Mathematical Sciences (MASC). He doe... | Edmund Harriss | Mathematics | 980 |
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