id int64 39 79M | url stringlengths 31 227 | text stringlengths 6 334k | source stringlengths 1 150 ⌀ | categories listlengths 1 6 | token_count int64 3 71.8k | subcategories listlengths 0 30 |
|---|---|---|---|---|---|---|
2,942,153 | https://en.wikipedia.org/wiki/Maladaptation | In evolution, a maladaptation () is a trait that is (or has become) more harmful than helpful, in contrast with an adaptation, which is more helpful than harmful. All organisms, from bacteria to humans, display maladaptive and adaptive traits. In animals (including humans), adaptive behaviors contrast with maladaptive ... | Maladaptation | [
"Biology"
] | 609 | [
"Evolutionary biology",
"Evolutionary processes",
"Selection"
] |
2,942,638 | https://en.wikipedia.org/wiki/Gloss%20%28optics%29 | Gloss is an optical property which indicates how well a surface reflects light in a specular (mirror-like) direction. It is one of the important parameters that are used to describe the visual appearance of an object. Other categories of visual appearance related to the perception of regular or diffuse reflection and t... | Gloss (optics) | [
"Physics",
"Chemistry"
] | 1,780 | [
"Physical phenomena",
"Applied and interdisciplinary physics",
"Optics",
" molecular",
"Atomic",
"Physical properties",
" and optical physics"
] |
2,942,788 | https://en.wikipedia.org/wiki/HTML%2BTIME | HTML+TIME (Timed Interactive Multimedia Extensions) was the name of a W3C submission from Microsoft, Compaq/DEC and Macromedia that proposed an integration of SMIL semantics with HTML and CSS. The specifics of the integration were modified considerably by W3C working groups, and eventually emerged as the W3C Note XHTML... | HTML+TIME | [
"Technology"
] | 194 | [
"Computing stubs",
"World Wide Web stubs"
] |
1,483,778 | https://en.wikipedia.org/wiki/Yarrow%20oil | Yarrow essential oil is a volatile oil including the chemical proazulene. The dark blue essential oil is extracted by steam distillation of the flowers of yarrow (Achillea millefolium).
It kills the larvae of the mosquito Aedes albopictus.
References
Essential oils
Further reading
Supercritical CO2 extraction of... | Yarrow oil | [
"Chemistry"
] | 175 | [
"Essential oils",
"Natural products"
] |
1,483,799 | https://en.wikipedia.org/wiki/Geometrical%20frustration | In condensed matter physics, geometrical frustration (or in short, frustration) is a phenomenon where the combination of conflicting inter-atomic forces leads to complex structures. Frustration can imply a plenitude of distinct ground states at zero temperature, and usual thermal ordering may be suppressed at higher te... | Geometrical frustration | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 4,199 | [
"Physical quantities",
"Phases of matter",
"Electric and magnetic fields in matter",
"Thermodynamic entropy",
"Materials science",
"Magnetic ordering",
"Entropy",
"Condensed matter physics",
"Statistical mechanics",
"Matter"
] |
1,483,960 | https://en.wikipedia.org/wiki/Charge%20invariance | Charge invariance refers to the fixed value of the electric charge of a particle regardless of its motion. Like mass, total spin and magnetic moment, particle's charge quantum number remains unchanged between two reference frames in relative motion. For example, an electron has a specific charge e, total spin , and inv... | Charge invariance | [
"Physics"
] | 246 | [
"Particle physics"
] |
1,484,098 | https://en.wikipedia.org/wiki/Titanium%20carbide | Titanium carbide, TiC, is an extremely hard (Mohs 9–9.5) refractory ceramic material, similar to tungsten carbide. It has the appearance of black powder with the sodium chloride (face-centered cubic) crystal structure.
It occurs in nature as a form of the very rare mineral () - (Ti,V,Fe)C. It was discovered in 1984 ... | Titanium carbide | [
"Physics",
"Engineering"
] | 499 | [
"Refractory materials",
"Materials",
"Superhard materials",
"Ceramic materials",
"Ceramic engineering",
"Matter"
] |
1,484,228 | https://en.wikipedia.org/wiki/Montel%27s%20theorem | In complex analysis, an area of mathematics, Montel's theorem refers to one of two theorems about families of holomorphic functions. These are named after French mathematician Paul Montel, and give conditions under which a family of holomorphic functions is normal.
Locally uniformly bounded families are normal
The fi... | Montel's theorem | [
"Mathematics"
] | 574 | [
"Compactness theorems",
"Theorems in mathematical analysis",
"Theorems in complex analysis",
"Theorems in topology"
] |
1,484,457 | https://en.wikipedia.org/wiki/Atmospheric%20focusing | Atmospheric focusing is a type of wave interaction causing shock waves to affect areas at a greater distance than otherwise expected. Variations in the atmosphere create distortions in the wavefront by refracting a segment, allowing it to converge at certain points and constructively interfere. In the case of destructi... | Atmospheric focusing | [
"Physics"
] | 575 | [
"Waves",
"Physical phenomena",
"Shock waves"
] |
1,484,495 | https://en.wikipedia.org/wiki/Mobile%20privatization | Mobile privatization can be described as an individual's attachment to a mobile device. This leads to a feeling of being "at home" while connected to a device in a mobile setting. Using a mobile device, an individual can feel as though they could travel anywhere in the world while still feeling comfortable because of t... | Mobile privatization | [
"Technology"
] | 505 | [
"Information and communications technology",
"Mass media technology"
] |
1,484,527 | https://en.wikipedia.org/wiki/Frass | Frass refers loosely to the more or less solid excreta of insects, and to certain other related matter.
Definition and etymology
Frass is an informal term and accordingly it is variously used and variously defined. It is derived from the German word Fraß, which means the food takeup of an animal. The English usage app... | Frass | [
"Biology"
] | 1,120 | [
"Excretion",
"Feces",
"Animal waste products"
] |
1,484,541 | https://en.wikipedia.org/wiki/Wavefront | In physics, the wavefront of a time-varying wave field is the set (locus) of all points having the same phase. The term is generally meaningful only for fields that, at each point, vary sinusoidally in time with a single temporal frequency (otherwise the phase is not well defined).
Wavefronts usually move with time. ... | Wavefront | [
"Physics",
"Chemistry"
] | 1,512 | [
"Physical phenomena",
"Applied and interdisciplinary physics",
"Optics",
"Waves",
"Motion (physics)",
" molecular",
"Atomic",
" and optical physics"
] |
1,484,606 | https://en.wikipedia.org/wiki/Rail%20directions | Rail directions are used to describe train directions on rail systems. The terms used may be derived from such sources as compass directions, altitude directions, or other directions. These directions are often specific to system, country, or region.
Radial directions
Many rail systems use the concept of a centre (usu... | Rail directions | [
"Physics",
"Mathematics"
] | 2,742 | [
"Topology",
"Space",
"Geometry",
"Spacetime",
"Orientation (geometry)"
] |
1,484,696 | https://en.wikipedia.org/wiki/Dependency%20injection | In software engineering, dependency injection is a programming technique in which an object or function receives other objects or functions that it requires, as opposed to creating them internally. Dependency injection aims to separate the concerns of constructing objects and using them, leading to loosely coupled prog... | Dependency injection | [
"Technology"
] | 4,741 | [
"Component-based software engineering",
"Components"
] |
1,484,741 | https://en.wikipedia.org/wiki/Carcinisation | Carcinisation (American English: carcinization) is a form of convergent evolution in which non-crab crustaceans evolve a crab-like body plan. The term was introduced into evolutionary biology by L. A. Borradaile, who described it as "the many attempts of Nature to evolve a crab".
Definition of carcinised morphology
It... | Carcinisation | [
"Biology"
] | 1,485 | [
"Convergent evolution",
"Evolutionary biology concepts"
] |
1,484,829 | https://en.wikipedia.org/wiki/Nimesulide | Nimesulide is a nonsteroidal anti-inflammatory drug (NSAID) with pain medication and fever reducing properties. Its approved indications are the treatment of acute pain, the symptomatic treatment of osteoarthritis, and primary dysmenorrhoea in adolescents and adults above 12 years old.
Side effects may include liver p... | Nimesulide | [
"Chemistry"
] | 2,045 | [
"Drug safety",
"Withdrawn drugs"
] |
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 | [
"Glass compositions",
"Glass chemistry"
] |
1,484,885 | https://en.wikipedia.org/wiki/Bay%20window | A bay window is a window space projecting outward from the main walls of a building and forming a bay in a room. It typically consists of a central windowpane, called a fixed sash, flanked by two or more smaller windows, known as casement or double-hung windows. The arrangement creates a panoramic view of the outside, ... | Bay window | [
"Technology",
"Engineering"
] | 691 | [
"Building engineering",
"Architectural elements",
"Components",
"Architecture"
] |
1,484,904 | https://en.wikipedia.org/wiki/Cathedral%20glass | Cathedral glass is the name given commercially to monochromatic sheet glass. It is thin by comparison with 'slab glass', may be coloured, and is textured on one side. The name draws from the fact that windows of stained glass were a feature of medieval European cathedrals from the 10th century onward.
The term 'cathed... | Cathedral glass | [
"Materials_science",
"Engineering"
] | 677 | [
"Glass architecture",
"Glass engineering and science"
] |
1,484,951 | https://en.wikipedia.org/wiki/Selected-ion%20flow-tube%20mass%20spectrometry | Selected-ion flow-tube mass spectrometry (SIFT-MS) is a quantitative mass spectrometry technique for trace gas analysis which involves the chemical ionization of trace volatile compounds by selected positive precursor ions during a well-defined time period along a flow tube. Absolute concentrations of trace compounds p... | Selected-ion flow-tube mass spectrometry | [
"Physics",
"Chemistry"
] | 1,794 | [
"Spectrum (physical sciences)",
"Instrumental analysis",
"Mass",
"Mass spectrometry",
"Matter"
] |
1,484,989 | https://en.wikipedia.org/wiki/Primer%20walking | Primer walking is a technique used to clone a gene (e.g., disease gene) from its known closest markers (e.g., known gene). As a result, it is employed in cloning and sequencing efforts in plants, fungi, and mammals with minor alterations. This technique, also known as "directed sequencing," employs a series of Sanger s... | Primer walking | [
"Chemistry",
"Biology"
] | 1,191 | [
"Biochemistry",
"Molecular biology"
] |
1,485,054 | https://en.wikipedia.org/wiki/Sunless%20tanning | Sunless tanning, also known as UV filled tanning, self tanning, spray tanning (when applied topically), or fake tanning, refers to the effect of a suntan without exposure to the Sun. Sunless tanning involves the use of oral agents (carotenids), or creams, lotions or sprays applied to the skin. Skin-applied products may... | Sunless tanning | [
"Chemistry"
] | 3,418 | [
"Tanning (beauty treatment)",
"Ultraviolet radiation"
] |
1,485,104 | https://en.wikipedia.org/wiki/Chemical%20ionization | Chemical ionization (CI) is a soft ionization technique used in mass spectrometry. This was first introduced by Burnaby Munson and Frank H. Field in 1966. This technique is a branch of gaseous ion-molecule chemistry. Reagent gas molecules (often methane or ammonia) are ionized by electron ionization to form reagent ion... | Chemical ionization | [
"Physics",
"Chemistry"
] | 2,329 | [
"Spectrum (physical sciences)",
"Instrumental analysis",
"Mass",
"Ion source",
"Mass spectrometry",
"Matter"
] |
1,485,282 | https://en.wikipedia.org/wiki/James%20Edward%20Allen%20Gibbs | James Edward Allen Gibbs (1829–1902) was a farmer, inventor, and businessman from Rockbridge County in the Shenandoah Valley in Virginia. On June 2, 1857, he was awarded a patent for the first twisted chain-stitch single-thread sewing machine using a rotating hook. In partnership with James Willcox, Gibbs became a prin... | James Edward Allen Gibbs | [
"Physics",
"Technology"
] | 370 | [
"Physical systems",
"Machines",
"Sewing machines"
] |
1,485,502 | https://en.wikipedia.org/wiki/Ralph%20Henstock | Ralph Henstock (2 June 1923 – 17 January 2007) was an English mathematician and author. As an Integration theorist, he is notable for Henstock–Kurzweil integral. Henstock brought the theory to a highly developed stage without ever having encountered Jaroslav Kurzweil's 1957 paper on the subject.
Early life
Henstock wa... | Ralph Henstock | [
"Mathematics"
] | 2,481 | [
"Mathematical analysis",
"Mathematical analysts"
] |
1,485,520 | https://en.wikipedia.org/wiki/Arnaud%20Denjoy | Arnaud Denjoy (; 5 January 1884 – 21 January 1974) was a French mathematician.
Biography
Denjoy was born in Auch, Gers. His contributions include work in harmonic analysis and differential equations. His integral was the first to be able to integrate all derivatives. Among his students is Gustave Choquet. He is also k... | Arnaud Denjoy | [
"Technology"
] | 658 | [
"Science and technology awards",
"Recipients of the Lomonosov Gold Medal"
] |
1,485,612 | https://en.wikipedia.org/wiki/AutoHotkey | AutoHotkey is a free and open-source custom scripting language for Microsoft Windows, primarily designed to provide easy keyboard shortcuts or hotkeys, fast macro-creation and software automation to allow users of most computer skill levels to automate repetitive tasks in any Windows application. It can easily extend o... | AutoHotkey | [
"Engineering"
] | 1,307 | [
"Automation software",
"Automation"
] |
1,485,789 | https://en.wikipedia.org/wiki/Overscan | Overscan is a behaviour in certain television sets in which part of the input picture is cut off by the visible bounds of the screen. It exists because cathode-ray tube (CRT) television sets from the 1930s to the early 2000s were highly variable in how the video image was positioned within the borders of the screen. It... | Overscan | [
"Technology"
] | 2,525 | [
"Information and communications technology",
"Television technology"
] |
1,485,822 | https://en.wikipedia.org/wiki/Xiao%20Qiang | Xiao Qiang (, born November 19, 1961) is the Director and Research Scientist of the Counter-Power Lab, an interdisciplinary faculty-student research group focusing on digital rights and internet freedom, based in the School of Information, University of California, Berkeley and is funded by the US Department of State. ... | Xiao Qiang | [
"Physics"
] | 530 | [
"Theoretical physics",
"Theoretical physicists"
] |
1,486,044 | https://en.wikipedia.org/wiki/Cow%20dung | Cow dung, also known as cow pats, cow pies, cow poop or cow manure, is the waste product (faeces) of bovine animal species. These species include domestic cattle ("cows"), bison ("buffalo"), yak, and water buffalo. Cow dung is the undigested residue of plant matter which has passed through the animal's gut. The resulta... | Cow dung | [
"Chemistry",
"Biology"
] | 1,521 | [
"Animals",
"Animal physiology",
"Chemical energy sources",
"Excretion",
"Animal waste products",
"Feces",
"Fuels"
] |
1,486,231 | https://en.wikipedia.org/wiki/Find%20%28Unix%29 | In Unix-like operating systems, find is a command-line utility that locates files based on some user-specified criteria and either prints the pathname of each matched object or, if another action is requested, performs that action on each matched object.
It initiates a search from a desired starting location and then ... | Find (Unix) | [
"Technology"
] | 4,146 | [
"IBM i Qshell commands",
"Information retrieval systems",
"Standard Unix programs",
"Information technology",
"Computing commands",
"Plan 9 commands"
] |
1,486,300 | https://en.wikipedia.org/wiki/Frost%20heaving | Frost heaving (or a frost heave) is an upwards swelling of soil during freezing conditions caused by an increasing presence of ice as it grows towards the surface, upwards from the depth in the soil where freezing temperatures have penetrated into the soil (the freezing front or freezing boundary). Ice growth requires... | Frost heaving | [
"Physics",
"Materials_science"
] | 1,959 | [
"Soil mechanics",
"Mechanical failure",
"Applied and interdisciplinary physics",
"Building defects"
] |
1,486,318 | https://en.wikipedia.org/wiki/SDSS%20J090745.0%2B024507 | SDSS J090744.99+024506.8 (SDSS 090745.0+024507) is a short-period variable star in the constellation Hydra. It has a Galactic rest-frame radial velocity of 709 km/s.
Its effective temperature is 10,500 K (corresponding to a spectral type of B9) and its age is estimated to be at most 350 million years. It has a helioce... | SDSS J090745.0+024507 | [
"Astronomy"
] | 292 | [
"Hydra (constellation)",
"Constellations"
] |
1,486,657 | https://en.wikipedia.org/wiki/235%20%28number%29 | 235 (two hundred [and] thirty-five) is the integer following 234 and preceding 236.
Additionally, 235 is:
a semiprime
a heptagonal number
a centered triangular number
therefore a figurate number in two ways
palindromic in bases 4 (32234), 7 (4547), 8 (3538), 13 (15113), and 46 (5546)
a Harshad number in bases 6, 47, ... | 235 (number) | [
"Mathematics"
] | 179 | [
"Mathematical objects",
"Number stubs",
"Elementary mathematics",
"Integers",
"Numbers"
] |
1,486,886 | https://en.wikipedia.org/wiki/TI%20InterActive%21 | TI InterActive! was a Texas Instruments computer program which combined the functionality of all of the TI graphing calculators with extra features into a text editor which allowed users to save equations, graphs, tables, spreadsheets, and text onto a document. TI InterActive! also included a web browser, but it was j... | TI InterActive! | [
"Mathematics"
] | 95 | [
"Computer algebra systems",
"Mathematical software"
] |
1,487,123 | https://en.wikipedia.org/wiki/Investigational%20New%20Drug | The United States Food and Drug Administration's Investigational New Drug (IND) program is the means by which a pharmaceutical company obtains permission to start human clinical trials and to ship an experimental drug across state lines (usually to clinical investigators) before a marketing application for the drug has... | Investigational New Drug | [
"Chemistry"
] | 1,033 | [
"Drug safety"
] |
1,487,249 | https://en.wikipedia.org/wiki/Human-centered%20computing | Human-centered computing (HCC) studies the design, development, and deployment of mixed-initiative human-computer systems. It is emerged from the convergence of multiple disciplines that are concerned both with understanding human beings and with the design of computational artifacts. Human-centered computing is close... | Human-centered computing | [
"Engineering"
] | 3,182 | [
"Human–computer interaction",
"Human–machine interaction"
] |
1,487,830 | https://en.wikipedia.org/wiki/Gastrin-releasing%20peptide | Gastrin-releasing peptide GRP, is a neuropeptide, a regulatory molecule encoded in the human by the GRP gene. GRP has been implicated in a number of physiological and pathophysiological processes. Most notably, GRP stimulates the release of gastrin from the G cells of the stomach.
GRP encodes a number of bombesin-lik... | Gastrin-releasing peptide | [
"Chemistry"
] | 562 | [
"Neurochemistry",
"Neurotransmitters"
] |
1,487,880 | https://en.wikipedia.org/wiki/Isolecithal | Isolecithal (Greek iso = equal, lekithos = yolk) refers to the even distribution of yolk in the cytoplasm of ova of mammals and other vertebrates, notably fishes of the families Petromyzontidae, Amiidae, and Lepisosteidae. Isolecithal cells have two equal hemispheres of yolk. However, during cellular development, norma... | Isolecithal | [
"Biology"
] | 284 | [
"Cell biology"
] |
1,487,910 | https://en.wikipedia.org/wiki/Schwarz%E2%80%93Ahlfors%E2%80%93Pick%20theorem | In mathematics, the Schwarz–Ahlfors–Pick theorem is an extension of the Schwarz lemma for hyperbolic geometry, such as the Poincaré half-plane model.
The Schwarz–Pick lemma states that every holomorphic function from the unit disk U to itself, or from the upper half-plane H to itself, will not increase the Poincaré di... | Schwarz–Ahlfors–Pick theorem | [
"Mathematics"
] | 218 | [
"Theorems in differential geometry",
"Theorems in mathematical analysis",
"Theorems in complex analysis",
"Theorems in geometry"
] |
1,488,075 | https://en.wikipedia.org/wiki/Logic%20error | In computer programming, a logic error is a bug in a program that causes it to operate incorrectly, but not to terminate abnormally (or crash). A logic error produces unintended or undesired output or other behaviour, although it may not immediately be recognized as such.
Logic errors occur in both compiled and inter... | Logic error | [
"Technology"
] | 327 | [
"Computer errors"
] |
1,488,243 | https://en.wikipedia.org/wiki/Sodium%20acetate | Sodium acetate, CH3COONa, also abbreviated NaOAc, is the sodium salt of acetic acid. This salt is colorless deliquescent, and hygroscopic.
Applications
Biotechnological
Sodium acetate is used as the carbon source for culturing bacteria. Sodium acetate can also be useful for increasing yields of DNA isolation by ethan... | Sodium acetate | [
"Chemistry"
] | 1,123 | [
"Organic sodium salts",
"Salts"
] |
1,488,266 | https://en.wikipedia.org/wiki/St.%20Clair%20Tunnel | The St. Clair Tunnel is the name for two separate rail tunnels which were built under the St. Clair River between Sarnia, Ontario and Port Huron, Michigan. The original, opened in 1891 and used until it was replaced by a new larger tunnel in 1994, was the first full-size subaqueous tunnel built in North America. (By f... | St. Clair Tunnel | [
"Engineering"
] | 1,614 | [
"Civil engineering",
"Historic Civil Engineering Landmarks"
] |
1,488,293 | https://en.wikipedia.org/wiki/Heating%20pad | A heating pad is a pad used for warming of parts of the body in order to manage pain. Localized application of heat causes the blood vessels in that area to dilate, enhancing perfusion to the targeted tissue. Types of heating pads include electrical, chemical and hot water bottles.
Specialized heating pads (mats) are ... | Heating pad | [
"Biology"
] | 1,025 | [
"Medical equipment",
"Medical technology"
] |
1,488,320 | https://en.wikipedia.org/wiki/No-communication%20theorem | In physics, the no-communication theorem (also referred to as the no-signaling principle) is a no-go theorem in quantum information theory. It asserts that during the measurement of an entangled quantum state, it is impossible for one observer to transmit information to another observer, regardless of their spatial sep... | No-communication theorem | [
"Physics",
"Mathematics"
] | 2,097 | [
"Theorems in dynamical systems",
"Theorems in quantum mechanics",
"No-go theorems",
"Equations of physics",
"Quantum mechanics",
"Statistical mechanics theorems",
"Theorems in mathematical physics",
"Quantum measurement",
"Statistical mechanics",
"Physics theorems"
] |
1,488,382 | https://en.wikipedia.org/wiki/Sump%20pump | A sump pump is a pump used to remove water that has accumulated in a water-collecting sump basin, commonly found in the basements of homes and other buildings, and in other locations where water must be removed, such as construction sites. The water may enter via the perimeter drains of a basement waterproofing system... | Sump pump | [
"Physics",
"Chemistry",
"Technology",
"Engineering",
"Environmental_science"
] | 2,775 | [
"Pumps",
"Machines",
"Turbomachinery",
"Water treatment",
"Stormwater management",
"Plumbing",
"Water pollution",
"Physical systems",
"Construction",
"Hydraulics",
"Home appliances"
] |
1,488,422 | https://en.wikipedia.org/wiki/Arab%20tone%20system | The modern Arab tone system, or system of musical tuning, is based upon the theoretical division of the octave into twenty-four equal divisions or 24-tone equal temperament, the distance between each successive note being a quarter tone (50 cents). Each tone has its own name not repeated in different octaves, unlike sy... | Arab tone system | [
"Physics"
] | 576 | [
"Physical quantities",
"Musical symmetry",
"Logarithmic scales of measurement",
"Equal temperaments",
"Symmetry"
] |
1,488,463 | https://en.wikipedia.org/wiki/Agroforestry | Agroforestry (also known as agro-sylviculture or forest farming) is a land use management system that integrates trees with crops or pasture. It combines agricultural and forestry technologies. As a polyculture system, an agroforestry system can produce timber and wood products, fruits, nuts, other edible plant product... | Agroforestry | [
"Biology"
] | 13,648 | [
"Artificial ecosystems",
"Ecosystems"
] |
1,488,483 | https://en.wikipedia.org/wiki/Panbiogeography | Panbiogeography, originally proposed by the French-Italian scholar Léon Croizat (1894–1982) in 1958, is a cartographical approach to biogeography that plots distributions of a particular taxon or group of taxa on maps, and connects the disjunct distribution areas or collection localities together with lines called trac... | Panbiogeography | [
"Biology"
] | 795 | [
"Biogeography"
] |
1,488,888 | https://en.wikipedia.org/wiki/Cabin%20pressurization | Cabin pressurization is a process in which conditioned air is pumped into the cabin of an aircraft or spacecraft in order to create a safe and comfortable environment for humans flying at high altitudes. For aircraft, this air is usually bled off from the gas turbine engines at the compressor stage, and for spacecraft,... | Cabin pressurization | [
"Physics",
"Chemistry",
"Engineering"
] | 5,171 | [
"Structural engineering",
"Physical quantities",
"Chemical equipment",
"Meteorological quantities",
"Atmospheric pressure",
"Physical systems",
"Hydraulics",
"Aerospace engineering",
"Pressure vessels"
] |
1,488,989 | https://en.wikipedia.org/wiki/Hyponastic%20response | In plant biology, the hyponastic response is a nastic movement characterized by an upward bending of leaves or other plant parts, resulting from accelerated growth of the lower side of the petiole in comparison to its upper part. This can be observed in many terrestrial plants and is linked to the plant hormone ethylen... | Hyponastic response | [
"Biology"
] | 177 | [
"Plant physiology",
"Plants",
"Botany"
] |
1,489,035 | https://en.wikipedia.org/wiki/MPEG%20Industry%20Forum | The MPEG Industry Forum (MPEGIF) is a non-profit consortium dedicated to "further the adoption of MPEG Standards, by establishing them as well accepted and widely used standards among creators of content, developers, manufacturers, providers of services, and end users".
The group is involved in many tasks, which inclu... | MPEG Industry Forum | [
"Technology"
] | 521 | [
"Multimedia",
"MPEG"
] |
1,489,315 | https://en.wikipedia.org/wiki/Homodyne%20detection | In electrical engineering, homodyne detection is a method of extracting information encoded as modulation of the phase and/or frequency of an oscillating signal, by comparing that signal with a standard oscillation that would be identical to the signal if it carried null information. "Homodyne" signifies a single freq... | Homodyne detection | [
"Physics",
"Technology",
"Engineering"
] | 763 | [
"Physical phenomena",
"Electronic test equipment",
"Measuring instruments",
"Waves",
"Motion (physics)"
] |
1,489,332 | https://en.wikipedia.org/wiki/Ball%20bearing%20motor | A ball bearing motor or ball-race motor consists simply of a small ball- bearing assembly with provision for passing current radially between inner and outer tracks to produce circular motion.
Explanation
A ball bearing motor is an unusual electric motor that consists of two ball-bearing-type bearings, with the inner... | Ball bearing motor | [
"Technology",
"Engineering"
] | 440 | [
"Electrical engineering",
"Engines",
"Electric motors"
] |
1,489,559 | https://en.wikipedia.org/wiki/Net%20energy%20gain | Net Energy Gain (NEG) is a concept used in energy economics that refers to the difference between the energy expended to harvest an energy source and the amount of energy gained from that harvest. When the NEG of a resource is greater than zero, extraction yields excess energy. If the NEG is below zero, it requires mor... | Net energy gain | [
"Environmental_science"
] | 1,249 | [
"Energy economics",
"Environmental social science"
] |
1,489,680 | https://en.wikipedia.org/wiki/R%20Coronae%20Borealis | R Coronae Borealis is a low-mass yellow supergiant star in the constellation of Corona Borealis. It is the prototype of the R Coronae Borealis variable of variable stars, which fade by several magnitudes at irregular intervals. R Coronae Borealis itself normally shines at approximately magnitude 6, just about visible... | R Coronae Borealis | [
"Astronomy"
] | 1,581 | [
"Corona Borealis",
"Constellations"
] |
2,134,805 | https://en.wikipedia.org/wiki/Rolling%20block | A rolling-block action is a single-shot firearm action where the sealing of the breech is done with a specially shaped breechblock able to rotate on a pin. The breechblock is shaped like a section of a circle.
The breechblock is locked into place by the hammer, therefore preventing the cartridge from moving backward at... | Rolling block | [
"Technology"
] | 475 | [
"Firearm components",
"Components"
] |
2,134,979 | https://en.wikipedia.org/wiki/Elbaite | Elbaite, a sodium, lithium, aluminium boro-silicate, with the chemical composition Na(Li1.5Al1.5)Al6Si6O18(BO3)3(OH)4, is a mineral species belonging to the six-member ring cyclosilicate tourmaline group.
Elbaite forms three series, with dravite, with fluor-liddicoatite, and with schorl. Due to these series, specimens... | Elbaite | [
"Physics"
] | 463 | [
"Materials",
"Gemstones",
"Matter"
] |
2,135,319 | https://en.wikipedia.org/wiki/ITRON%20project | The ITRON project was the first sub-project of the TRON project. It has formulated and defined Industrial TRON (ITRON) specification for an embedded real-time OS (RTOS) kernel.
Originally undertaken in 1984, ITRON is a Japanese open standard for a real-time operating system initiated under the guidance of Ken Sakamura... | ITRON project | [
"Technology"
] | 3,175 | [
"Computing platforms",
"TRON project"
] |
2,135,548 | https://en.wikipedia.org/wiki/Generosity | Generosity (also called largesse) is the virtue of being liberal in giving, often as gifts. Generosity is regarded as a virtue by various world religions and philosophies and is often celebrated in cultural and religious ceremonies.
Scientific investigation into generosity has examined the effect of a number of scenar... | Generosity | [
"Biology"
] | 1,385 | [
"Philanthropy",
"Behavior",
"Altruism"
] |
2,135,845 | https://en.wikipedia.org/wiki/Meron%20%28physics%29 | A meron or half-instanton is a Euclidean space-time solution of the Yang–Mills field equations. It is a singular non-self-dual solution of topological charge 1/2. The instanton is believed to be composed of two merons.
A meron can be viewed as a tunneling event between two Gribov vacua. In that picture, the meron is a... | Meron (physics) | [
"Physics"
] | 169 | [
"Quantum mechanics",
"Quantum physics stubs"
] |
2,135,870 | https://en.wikipedia.org/wiki/Wu%E2%80%93Yang%20monopole | The Wu–Yang monopole was the first solution (found in 1968 by Tai Tsun Wu and Chen Ning Yang) to the Yang–Mills field equations. It describes a magnetic monopole which is pointlike and has a potential which behaves like 1/r everywhere.
See also
Meron
Dyon
Instanton
Wu–Yang dictionary
Notes
References
Gauge Fields, ... | Wu–Yang monopole | [
"Physics",
"Astronomy"
] | 109 | [
"Astronomical hypotheses",
"Unsolved problems in physics",
"Quantum mechanics",
"Magnetic monopoles",
"Quantum physics stubs"
] |
2,135,890 | https://en.wikipedia.org/wiki/Nitrosomonas | Nitrosomonas is a genus of Gram-negative bacteria, belonging to the Betaproteobacteria. It is one of the five genera of ammonia-oxidizing bacteria and, as an obligate chemolithoautotroph, uses ammonia (NH3) as an energy source and carbon dioxide (CO2) as a carbon source in the presence of oxygen. Nitrosomonas are impor... | Nitrosomonas | [
"Biology"
] | 3,189 | [
"Soil biology"
] |
2,135,947 | https://en.wikipedia.org/wiki/Feeding%20frenzy | In ecology, a feeding frenzy is a type of animal group activity that occurs when predators are overwhelmed by the amount of prey available. The term is also used as an idiom in the English language.
Examples in nature
For example, a large school of fish can cause nearby sharks, such as the lemon shark, to enter into a... | Feeding frenzy | [
"Biology"
] | 242 | [
"Biological interactions",
"Eating behaviors",
"Behavior"
] |
2,135,962 | https://en.wikipedia.org/wiki/Snapshot%20%28computer%20storage%29 | In computer systems, a snapshot is the state of a system at a particular point in time. The term was coined as an analogy to that in photography.
Rationale
A full backup of a large data set may take a long time to complete. On multi-tasking or multi-user systems, there may be writes to that data while it is being bac... | Snapshot (computer storage) | [
"Technology",
"Engineering"
] | 962 | [
"Fault-tolerant computer systems",
"Reliability engineering",
"Computer systems",
"Backup"
] |
2,136,049 | https://en.wikipedia.org/wiki/Explosimeter | An explosimeter is a gas detector which is used to measure the amount of combustible gases present in a sample. When a percentage of the lower explosive limit (LEL) of an atmosphere is exceeded, an alarm signal on the instrument is activated.
The device, also called a combustible gas detector, operates on the princip... | Explosimeter | [
"Chemistry",
"Technology",
"Engineering"
] | 268 | [
"Explosion protection",
"Combustion engineering",
"Explosions",
"Measuring instruments"
] |
2,136,757 | https://en.wikipedia.org/wiki/Alarm%20signal | In animal communication, an alarm signal is an antipredator adaptation in the form of signals emitted by social animals in response to danger. Many primates and birds have elaborate alarm calls for warning conspecifics of approaching predators. For example, the alarm call of the blackbird is a familiar sound in many ga... | Alarm signal | [
"Chemistry",
"Biology"
] | 4,763 | [
"Antipredator adaptations",
"Biochemistry",
"Chemical ecology",
"Biological defense mechanisms"
] |
2,136,842 | https://en.wikipedia.org/wiki/Sardine%20run | The KwaZulu-Natal sardine run of southern Africa occurs from May through July when billions of sardines – or more specifically the Southern African pilchard Sardinops sagax – spawn in the cool waters of the Agulhas Bank and move northward along the east coast of South Africa. Their sheer numbers create a feeding frenzy... | Sardine run | [
"Biology"
] | 3,922 | [
"Aquatic ecology",
"Ecosystems",
"Marine biology"
] |
2,136,854 | https://en.wikipedia.org/wiki/1%3A5%3A200 | In the construction industry, the 1:5:200 rule (or 1:5:200 ratio) is a rule of thumb that states that:
Rule
The rule originated in a Royal Academy of Engineering paper by Evans et al.
Sometimes the ratios are given as 1:10:200. The figures are averages and broad generalizations, since construction costs will vary wit... | 1:5:200 | [
"Engineering"
] | 1,000 | [
"Construction"
] |
2,136,925 | https://en.wikipedia.org/wiki/Lip | The lips are a horizontal pair of soft appendages attached to the jaws and are the most visible part of the mouth of many animals, including humans. Vertebrate lips are soft, movable and serve to facilitate the ingestion of food (e.g. suckling and gulping) and the articulation of sound and speech. Human lips are also a... | Lip | [
"Biology"
] | 2,667 | [
"Digestive system",
"Organ systems"
] |
2,136,997 | https://en.wikipedia.org/wiki/Claudio%20Ciborra | Claudio Ciborra (1951 – 13 February 2005) was an Italian organizational theorist, and Professor of Information Systems and PWC Chair in Risk Management in the London School of Economics. Prior to the LSE, he was professor at the Theseus International Management Institute.
Work
Ciborra was an original thinker in his f... | Claudio Ciborra | [
"Technology"
] | 722 | [
"Information systems",
"Information systems researchers"
] |
2,137,226 | https://en.wikipedia.org/wiki/E0%20%28cipher%29 | E0 is a stream cipher used in the Bluetooth protocol. It generates a sequence of pseudorandom numbers and combines it with the data using the XOR operator. The key length may vary, but is generally 128 bits.
Description
At each iteration, E0 generates a bit using four shift registers of differing lengths (25, 31, 33,... | E0 (cipher) | [
"Technology"
] | 720 | [
"Wireless networking",
"Bluetooth"
] |
2,137,246 | https://en.wikipedia.org/wiki/Dual%20format | Dual format is a technique used to allow software for two systems which would normally require different disk formats to be recorded on the same floppy disk.
In the late 1980s, the term was used to refer to disks that could be used to boot either an Amiga or Atari ST computer. The layout of the first track of the disk... | Dual format | [
"Technology"
] | 473 | [
"Computing platforms",
"Macintosh platform"
] |
2,137,248 | https://en.wikipedia.org/wiki/Starsem | Starsem is a French-Russian company that was created in 1996 to commercialise the Soyuz launcher internationally. Starsem is headquartered in Évry, France (near Paris) and has the following shareholders:
ArianeGroup (35%)
Arianespace (15%)
Roscosmos (25%)
Progress Rocket Space Centre (25%)
References
External lin... | Starsem | [
"Astronomy"
] | 91 | [
"Rocketry stubs",
"Astronomy stubs"
] |
2,137,251 | https://en.wikipedia.org/wiki/Jean%20van%20Heijenoort | Jean Louis Maxime van Heijenoort ( , , ; July 23, 1912 – March 29, 1986) was a historian of mathematical logic. He was also a personal secretary to Leon Trotsky from 1932 to 1939, and an American Trotskyist until 1947.
Life
Van Heijenoort was born in Creil, France. His parents had immigrated from the Netherlands befor... | Jean van Heijenoort | [
"Mathematics"
] | 1,516 | [
"Philosophers of mathematics"
] |
2,137,292 | https://en.wikipedia.org/wiki/Drag%20%28physics%29 | In fluid dynamics, drag, sometimes referred to as fluid resistance, is a force acting opposite to the relative motion of any object moving with respect to a surrounding fluid. This can exist between two fluid layers, two solid surfaces, or between a fluid and a solid surface. Drag forces tend to decrease fluid velocity... | Drag (physics) | [
"Physics",
"Chemistry",
"Mathematics"
] | 5,055 | [
"Drag (physics)",
"Force",
"Physical quantities",
"Quantity",
"Mass",
"Classical mechanics",
"Wikipedia categories named after physical quantities",
"Matter",
"Fluid dynamics"
] |
2,137,332 | https://en.wikipedia.org/wiki/Boomerang%20attack | In cryptography, the boomerang attack is a method for the cryptanalysis of block ciphers based on differential cryptanalysis. The attack was published in 1999 by David Wagner, who used it to break the COCONUT98 cipher.
The boomerang attack has allowed new avenues of attack for many ciphers previously deemed safe from ... | Boomerang attack | [
"Technology"
] | 505 | [
"Cryptographic attacks",
"Computer security exploits"
] |
2,137,376 | https://en.wikipedia.org/wiki/HMGN | HMGN (High Mobility Group Nucleosome-binding) proteins are members of the broader class of high mobility group (HMG) chromosomal proteins that are involved in regulation of transcription, replication, recombination, and DNA repair.
HMGN1 and HMGN2 (initially designated HMG-14 and HMG-17 respectively) were discovered b... | HMGN | [
"Chemistry",
"Biology"
] | 2,697 | [
"Induced stem cells",
"Gene expression",
"Transcription factors",
"Signal transduction"
] |
2,137,509 | https://en.wikipedia.org/wiki/Perfect%20fluid | In physics, a perfect fluid or ideal fluid is a fluid that can be completely characterized by its rest frame mass density and isotropic pressure . Usually, "perfect fluid" is reserved for relativistic models and "ideal fluid" for classical inviscid flow. Real fluids are "sticky" and contain (and conduct) heat. Perfec... | Perfect fluid | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 462 | [
"Physical phenomena",
"Phase transitions",
"Phases of matter",
"Superfluidity",
"Civil engineering",
"Condensed matter physics",
"Exotic matter",
"Fluid mechanics",
"Matter",
"Fluid dynamics"
] |
2,137,523 | https://en.wikipedia.org/wiki/Prewellordering | In set theory, a prewellordering on a set is a preorder on (a transitive and reflexive relation on ) that is strongly connected (meaning that any two points are comparable) and well-founded in the sense that the induced relation defined by is a well-founded relation.
Prewellordering on a set
A prewellordering on... | Prewellordering | [
"Mathematics"
] | 704 | [
"Mathematical induction",
"Order theory",
"Wellfoundedness"
] |
2,137,672 | https://en.wikipedia.org/wiki/European%20Association%20for%20Theoretical%20Computer%20Science | The European Association for Theoretical Computer Science (EATCS) is an international organization with a European focus, founded in 1972. Its aim is to facilitate the exchange of ideas and results among theoretical computer scientists as well as to stimulate cooperation between the theoretical and the practical commun... | European Association for Theoretical Computer Science | [
"Mathematics"
] | 612 | [
"Theoretical computer science",
"Applied mathematics"
] |
2,137,681 | https://en.wikipedia.org/wiki/Pauson%E2%80%93Khand%20reaction | The Pauson–Khand (PK) reaction is a chemical reaction, described as a [2+2+1] cycloaddition. In it, an alkyne, an alkene, and carbon monoxide combine into a α,β-cyclopentenone in the presence of a metal-carbonyl catalyst
Ihsan Ullah Khand (1935–1980) discovered the reaction around 1970, while working as a postdoctor... | Pauson–Khand reaction | [
"Chemistry"
] | 1,649 | [
"Name reactions"
] |
2,137,708 | https://en.wikipedia.org/wiki/Wheel%20speed%20sensor | A wheel speed sensor (WSS) or vehicle speed sensor (VSS) is a type of tachometer. It is a sender device used for reading the speed of a vehicle's wheel rotation. It usually consists of a toothed ring and pickup.
Automotive wheel speed sensor
Purpose
The wheel speed sensor was initially used to replace the mechanica... | Wheel speed sensor | [
"Technology",
"Engineering"
] | 3,378 | [
"Speed sensors",
"Measuring instruments"
] |
2,137,712 | https://en.wikipedia.org/wiki/Connection-oriented%20communication | In telecommunications and computer networking, connection-oriented communication is a communication protocol where a communication session or a semi-permanent connection is established before any useful data can be transferred. The established connection ensures that data is delivered in the correct order to the upper ... | Connection-oriented communication | [
"Technology",
"Engineering"
] | 940 | [
"Computer networking",
"IT infrastructure",
"Internet architecture",
"Computer engineering",
"Computer science"
] |
2,137,772 | https://en.wikipedia.org/wiki/Air%20suspension | Air suspension is a type of vehicle suspension powered by an electric or engine-driven air pump or compressor. This compressor pumps the air into a flexible bellows, usually made from textile-reinforced rubber. Unlike hydropneumatic suspension, which offers many similar features, air suspension does not use pressurized... | Air suspension | [
"Physics"
] | 4,295 | [
"Mechanics",
"Mechanical power control"
] |
2,137,828 | https://en.wikipedia.org/wiki/Cold%20inflation%20pressure | Cold inflation pressure is the inflation pressure of tires as measured before a car is driven and the tires warmed up. Recommended cold inflation pressure is displayed in the owner's manual and on the Tire Information Placard attached to the vehicle door edge, pillar, glovebox door or fuel filler flap.
Cold inflation... | Cold inflation pressure | [
"Physics"
] | 565 | [
"Scalar physical quantities",
"Mechanical quantities",
"Physical quantities",
"Pressure",
"Wikipedia categories named after physical quantities"
] |
2,137,836 | https://en.wikipedia.org/wiki/Cornering%20force | Cornering force or side force is the lateral (i.e., parallel to wheel axis) force produced by a vehicle tire during cornering.
Cornering force is generated by tire slip and is proportional to slip angle at low slip angles. The rate at which cornering force builds up is described by relaxation length. Slip angle descr... | Cornering force | [
"Physics",
"Mathematics"
] | 392 | [
"Force",
"Physical quantities",
"Quantity",
"Mass",
"Classical mechanics",
"Wikipedia categories named after physical quantities",
"Matter"
] |
2,138,108 | https://en.wikipedia.org/wiki/Falowiec | Falowiec (plural: falowce; from the Polish word fala, wave) is a block of flats characterised by its length and wavy shape. This type of building was built in Poland in the late 1960s and 1970s in the city of Gdańsk, where there are eight buildings of this type. It is an example of post-war modernism in the PRL.
The b... | Falowiec | [
"Engineering"
] | 201 | [
"Architecture stubs",
"Architecture"
] |
2,138,217 | https://en.wikipedia.org/wiki/Low-density%20polyethylene | Low-density polyethylene (LDPE) is a thermoplastic made from the monomer ethylene. It was the first grade of polyethylene, produced in 1933 by John C. Swallow and M.W Perrin who were working for Imperial Chemical Industries (ICI) using a high pressure process via free radical polymerization. Its manufacture employs the... | Low-density polyethylene | [
"Physics"
] | 935 | [
"Amorphous solids",
"Unsolved problems in physics",
"Plastics"
] |
2,138,223 | https://en.wikipedia.org/wiki/Aeronomy | Aeronomy is the scientific study of the upper atmosphere of the Earth and corresponding regions of the atmospheres of other planets. It is a branch of both atmospheric chemistry and atmospheric physics. Scientists specializing in aeronomy, known as aeronomers, study the motions and chemical composition and properties o... | Aeronomy | [
"Physics",
"Chemistry",
"Astronomy"
] | 1,043 | [
"Physical phenomena",
"Applied and interdisciplinary physics",
"Outer space",
"Atmospheric physics",
"Electrical phenomena",
"Lightning",
"nan",
"Space physics"
] |
2,138,454 | https://en.wikipedia.org/wiki/Linear%20low-density%20polyethylene | Linear low-density polyethylene (LLDPE) is a substantially linear polymer (polyethylene), with significant numbers of short branches, commonly made by copolymerization of ethylene with longer-chain olefins. Linear low-density polyethylene differs structurally from conventional low-density polyethylene (LDPE) because of... | Linear low-density polyethylene | [
"Physics"
] | 856 | [
"Amorphous solids",
"Unsolved problems in physics",
"Plastics"
] |
2,138,501 | https://en.wikipedia.org/wiki/Ultra-high-molecular-weight%20polyethylene | Ultra-high-molecular-weight polyethylene (UHMWPE, UHMW) is a subset of the thermoplastic polyethylene. Also known as high-modulus polyethylene (HMPE), it has extremely long chains, with a molecular mass usually between 3.5 and 7.5 million amu. The longer chain serves to transfer load more effectively to the polymer bac... | Ultra-high-molecular-weight polyethylene | [
"Physics",
"Chemistry"
] | 4,297 | [
"Synthetic fibers",
"Synthetic materials",
"Unsolved problems in physics",
"Amorphous solids",
"Plastics"
] |
2,138,731 | https://en.wikipedia.org/wiki/Drug%20reaction%20testing | Drug reaction testing uses a genetic test to predict how a particular person will respond to various prescription and non-prescription medications. It checks for genes that code for specific liver enzymes which activate, deactivate, or are influenced by various drugs.
There are currently four genetic markers commonly... | Drug reaction testing | [
"Chemistry"
] | 346 | [
"Pharmacology",
"Pharmacy",
"Clinical pharmacology"
] |
2,138,745 | https://en.wikipedia.org/wiki/Jump%20and%20Smile | The Jump & Smile is a type of fairground ride which consists of gondolas arranged on a number of radial arms around a central axis. As the central axis rotates, the arms are lifted into the air using compressed air cylinders at pseudo-random intervals, providing an erratic jumping motion. Most versions of the ride have... | Jump and Smile | [
"Physics",
"Technology"
] | 266 | [
"Physical systems",
"Machines",
"Amusement rides"
] |
2,139,132 | https://en.wikipedia.org/wiki/LunaCorp | LunaCorp, was a small but ambitious private company headed by its former president David Gump, established in 1989. It was designed around a privately funded mission, using Russian technology, to put a rover on the Moon. The aim for the company was to fund the mission by the entertainment value of having customers dri... | LunaCorp | [
"Astronomy"
] | 295 | [
"Outer space stubs",
"Outer space",
"Astronomy stubs"
] |
2,139,185 | https://en.wikipedia.org/wiki/Two-wire%20circuit | In telecommunication, a two-wire circuit is characterized by supporting transmission in two directions simultaneously, as opposed to four-wire circuits, which have separate pairs for transmit and receive. The subscriber local loop from the telco central office are almost all two wire for analog baseband voice calls (an... | Two-wire circuit | [
"Engineering"
] | 595 | [
"Telecommunications engineering",
"Communication circuits"
] |
2,139,226 | https://en.wikipedia.org/wiki/Ordinal%20arithmetic | In the mathematical field of set theory, ordinal arithmetic describes the three usual operations on ordinal numbers: addition, multiplication, and exponentiation. Each can be defined in essentially two different ways: either by constructing an explicit well-ordered set that represents the result of the operation or by ... | Ordinal arithmetic | [
"Mathematics"
] | 4,367 | [
"Ordinal numbers",
"Set theory",
"Mathematical logic",
"Mathematical objects",
"Order theory",
"Numbers"
] |
2,139,357 | https://en.wikipedia.org/wiki/Finite%20morphism | In algebraic geometry, a finite morphism between two affine varieties is a dense regular map which induces isomorphic inclusion between their coordinate rings, such that is integral over . This definition can be extended to the quasi-projective varieties, such that a regular map between quasiprojective varieties is... | Finite morphism | [
"Mathematics"
] | 727 | [
"Functions and mappings",
"Mathematical structures",
"Mathematical objects",
"Fields of abstract algebra",
"Category theory",
"Mathematical relations",
"Algebraic geometry",
"Morphisms"
] |
2,139,436 | https://en.wikipedia.org/wiki/Snow%20chains | Snow chains, or tire chains, are devices fitted to the tires of vehicles to provide increased traction when driving through snow and ice.
Snow chains attach to the drive wheels of a vehicle or special systems deploy chains which swing under the tires automatically. Although named after steel chain, snow chains may be ... | Snow chains | [
"Physics"
] | 1,630 | [
"Weather",
"Inclement weather management",
"Physical phenomena"
] |
2,139,612 | https://en.wikipedia.org/wiki/A%20Course%20of%20Modern%20Analysis | A Course of Modern Analysis: an introduction to the general theory of infinite processes and of analytic functions; with an account of the principal transcendental functions (colloquially known as Whittaker and Watson) is a landmark textbook on mathematical analysis written by Edmund T. Whittaker and George N. Watson, ... | A Course of Modern Analysis | [
"Mathematics"
] | 814 | [
"Mathematical analysis"
] |
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