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1383616 | https://en.wikipedia.org/wiki/Shotgun%20slug | Shotgun slug | A shotgun slug is a heavy projectile (a slug) made of lead, copper, or other material and fired from a shotgun. Slugs are designed for hunting large game, and other uses, particularly in areas near human population where their short range and slow speed helps increase safety margin. The first effective modern shotgun s... | Technology | Ammunition | null |
1383986 | https://en.wikipedia.org/wiki/Absorption%20%28chemistry%29 | Absorption (chemistry) | Absorption is a physical or chemical phenomenon or a process in which atoms, molecules or ions enter the liquid or solid bulk phase of a material. This is a different process from adsorption, since molecules undergoing absorption are taken up by the volume, not by the surface (as in the case for adsorption).
A more c... | Physical sciences | Other separations | Chemistry |
1384005 | https://en.wikipedia.org/wiki/Absorption%20%28electromagnetic%20radiation%29 | Absorption (electromagnetic radiation) | In physics, absorption of electromagnetic radiation is how matter (typically electrons bound in atoms) takes up a photon's energy—and so transforms electromagnetic energy into internal energy of the absorber (for example, thermal energy).
A notable effect of the absorption of electromagnetic radiation is attenuation o... | Physical sciences | Electromagnetic radiation | Physics |
1385908 | https://en.wikipedia.org/wiki/Star-nosed%20mole | Star-nosed mole | The star-nosed mole (Condylura cristata) is a small semiaquatic mole found in moist, low elevation areas in the northeastern parts of North America. It is the only extant member of the tribe Condylurini and genus Condylura, and it has more than 25,000 minute sensory receptors in touch organs, known as Eimer's organs, w... | Biology and health sciences | Eulipotyphla | Animals |
2811075 | https://en.wikipedia.org/wiki/Marine%20transgression | Marine transgression | A marine transgression is a geologic event where sea level rises relative to the land and the shoreline moves toward higher ground, resulting in flooding. Transgressions can be caused by the land sinking or by the ocean basins filling with water or decreasing in capacity. Transgressions and regressions may be caused by... | Physical sciences | Stratigraphy | Earth science |
2812725 | https://en.wikipedia.org/wiki/Type%201%20diabetes | Type 1 diabetes | Type 1 diabetes (T1D), formerly known as juvenile diabetes, is an autoimmune disease that occurs when pancreatic cells (beta cells) are destroyed by the body's immune system. In healthy persons, beta cells produce insulin. Insulin is a hormone required by the body to store and convert blood sugar into energy. T1D resul... | Biology and health sciences | Specific diseases | Health |
20254750 | https://en.wikipedia.org/wiki/Syncope%20%28medicine%29 | Syncope (medicine) | Syncope (, commonly known as fainting or passing out, is a loss of consciousness and muscle strength characterized by a fast onset, short duration, and spontaneous recovery. It is caused by a decrease in blood flow to the brain, typically from low blood pressure. There are sometimes symptoms before the loss of consciou... | Biology and health sciences | Symptoms and signs | Health |
20256947 | https://en.wikipedia.org/wiki/Flour%20mite | Flour mite | The flour mite, Acarus siro, a pest of stored grains and animal feedstuffs, is one of many species of grain and flour mites. An older name for the species is Tyroglyphus farinae.
The flour mite, which is pale greyish white in colour with pink legs, is the most common species of mite in foodstuffs. The males are from ... | Biology and health sciences | Arachnids | Animals |
34400150 | https://en.wikipedia.org/wiki/Tempskya | Tempskya | Tempskya is an extinct genus of tree fern that lived during the Cretaceous period. Fossils have been found across both the Northern and Southern hemispheres. The growth habit of Tempskya was unlike that of any living fern or any other living plant, consisting of multiple conjoined dichotomous branching stems enmeshed w... | Biology and health sciences | Ferns | Plants |
34408890 | https://en.wikipedia.org/wiki/WeChat | WeChat | WeChat or Weixin in Chinese () is a Chinese instant messaging, social media, and mobile payment app developed by Tencent. First released in 2011, it became the world's largest standalone mobile app in 2018 with over 1 billion monthly active users. WeChat has been described as China's "app for everything" and a super-ap... | Technology | Social network and blogging | null |
3771802 | https://en.wikipedia.org/wiki/Acacia%20melanoxylon | Acacia melanoxylon | Acacia melanoxylon, commonly known as the Australian blackwood, is an Acacia species native to south-eastern Australia. The species is also known as blackwood, hickory, mudgerabah, Tasmanian blackwood, or blackwood acacia. The tree belongs to the Plurinerves section of Acacia and is one of the most wide-ranging tree sp... | Biology and health sciences | Fabales | Plants |
3771988 | https://en.wikipedia.org/wiki/Lissachatina%20fulica | Lissachatina fulica | Lissachatina fulica is a species of large land snail that belongs in the subfamily Achatininae of the family Achatinidae. It is also known as the giant African land snail. It shares the common name "giant African snail" with other species of snails such as Achatina achatina and Archachatina marginata. This snail specie... | Biology and health sciences | Gastropods | Animals |
3776458 | https://en.wikipedia.org/wiki/Tweed | Tweed | Tweed is a rough, woollen fabric, of a soft, open, flexible texture, resembling cheviot or homespun, but more closely woven. It is usually woven with a plain weave, twill or herringbone structure. Colour effects in the yarn may be obtained by mixing dyed wool before it is spun.
Tweeds are an icon of traditional Scotti... | Technology | Fabrics and fibers | null |
22772421 | https://en.wikipedia.org/wiki/Multi-factor%20authentication | Multi-factor authentication | Multi-factor authentication (MFA; two-factor authentication, or 2FA, along with similar terms) is an electronic authentication method in which a user is granted access to a website or application only after successfully presenting two or more pieces of evidence (or factors) to an authentication mechanism. MFA protects... | Technology | Computer security | null |
25706228 | https://en.wikipedia.org/wiki/Paleocontinent | Paleocontinent | A paleocontinent or palaeocontinent is a distinct area of continental crust that existed as a major landmass in the geological past. There have been many different landmasses throughout Earth's time. They range in sizes; some are just a collection of small microcontinents while others are large conglomerates of crust. ... | Physical sciences | Paleogeography | Earth science |
5116788 | https://en.wikipedia.org/wiki/Hayashi%20track | Hayashi track | The Hayashi track is a luminosity–temperature relationship obeyed by infant stars of less than in the pre-main-sequence phase (PMS phase) of stellar evolution. It is named after Japanese astrophysicist Chushiro Hayashi. On the Hertzsprung–Russell diagram, which plots luminosity against temperature, the track is a near... | Physical sciences | Stellar astronomy | Astronomy |
545520 | https://en.wikipedia.org/wiki/Chard | Chard | Chard or Swiss chard (; Beta vulgaris subsp. vulgaris, Cicla Group and Flavescens Group) is a green leafy vegetable. In the cultivars of the Flavescens Group, the leaf stalks are large and often prepared separately from the leaf blade; the Cicla Group is the leafy spinach beet. The leaf blade can be green or reddish; t... | Biology and health sciences | Caryophyllales | null |
545523 | https://en.wikipedia.org/wiki/Collard%20%28plant%29 | Collard (plant) | Collard is a group of loose-leafed cultivars of Brassica oleracea, the same species as many common vegetables including cabbage and broccoli. Part of the Acephala (kale) cultivar group, it is also classified as the variety B. oleracea var. viridis.
The plants are grown as a food crop for their large, dark-green, edibl... | Biology and health sciences | Brassicales | null |
545620 | https://en.wikipedia.org/wiki/Celeriac | Celeriac | Celeriac (Apium graveolens Rapaceum Group, synonyms Apium graveolens Celeriac Group and Apium graveolens var. rapaceum), also called celery root, knob celery, and turnip-rooted celery (although it is not a close relative of the turnip), is a group of cultivars of Apium graveolens cultivated for their edible bulb-like h... | Biology and health sciences | Other vegetables | Plants |
545824 | https://en.wikipedia.org/wiki/Goosefish | Goosefish | Goosefishes, sometimes called anglers or monkfishes, are a family, the Lophiidae, of marine ray-finned fishes belonging to the order Lophiiformes, the anglerfishes. The family includes 30 recognized species. These fishes are found in all the world's oceans except for the Antarctic Ocean.
Taxonomy
The goosefish family... | Biology and health sciences | Acanthomorpha | Animals |
546415 | https://en.wikipedia.org/wiki/Extrapolation | Extrapolation | In mathematics, extrapolation is a type of estimation, beyond the original observation range, of the value of a variable on the basis of its relationship with another variable. It is similar to interpolation, which produces estimates between known observations, but extrapolation is subject to greater uncertainty and a ... | Mathematics | Basics | null |
546778 | https://en.wikipedia.org/wiki/Moorish%20idol | Moorish idol | The Moorish idol (Zanclus cornutus) is a species of marine ray-finned fish belonging to the family Zanclidae. It is the only member of the monospecific genus Zanclus and the only extant species within the Zanclidae. This species is found on reefs in the Indo-Pacific region.
Taxonomy
The Moorish idol was first formally... | Biology and health sciences | Acanthomorpha | Animals |
547111 | https://en.wikipedia.org/wiki/Breechloader | Breechloader | A breechloader is a firearm in which the user loads the ammunition from the breech end of the barrel (i.e., from the rearward, open end of the gun's barrel), as opposed to a muzzleloader, in which the user loads the ammunition from the (muzzle) end of the barrel.
The vast majority of modern firearms are generally bree... | Technology | Mechanisms_2 | null |
547497 | https://en.wikipedia.org/wiki/Gateshead%20Millennium%20Bridge | Gateshead Millennium Bridge | The Gateshead Millennium Bridge is a pedestrian and cyclist tilt bridge spanning the River Tyne between Gateshead arts quarter on the south bank and Newcastle upon Tyne's Quayside area on the north bank. It was the first tilting bridge ever to be constructed. Opened for public use in 2001, the award-winning structure w... | Technology | Bridges | null |
547693 | https://en.wikipedia.org/wiki/Chthonian%20planet | Chthonian planet | Chthonian planets (, sometimes 'cthonian') are a hypothetical class of celestial objects resulting from the stripping away of a gas giant's hydrogen and helium atmosphere and outer layers, which is called hydrodynamic escape. Such atmospheric stripping is a likely result of proximity to a star. The remaining rocky or m... | Physical sciences | Planetary science | Astronomy |
547980 | https://en.wikipedia.org/wiki/Stone%20pine | Stone pine | The stone pine, botanical name Pinus pinea, also known as the Italian stone pine, Mediterranean stone pine, umbrella pine and parasol pine, is a tree from the pine family (Pinaceae). The tree is native to the Mediterranean region, occurring in Southern Europe and the Levant. The species was introduced into North Africa... | Biology and health sciences | Pinaceae | Plants |
548173 | https://en.wikipedia.org/wiki/Instability | Instability | In dynamical systems instability means that some of the outputs or internal states increase with time, without bounds. Not all systems that are not stable are unstable; systems can also be marginally stable or exhibit limit cycle behavior.
In structural engineering, a structural beam or column can become unstable whe... | Physical sciences | Physics basics: General | Physics |
2021152 | https://en.wikipedia.org/wiki/Firebrat | Firebrat | The firebrat (Thermobia domestica) is a small insect (typically 1–1.5 cm) in the order Zygentoma.
Habitat
Firebrats prefer relatively warm temperatures (36–39 °C) and require some humidity. They are commonly found indoors near heat sources such as furnaces and boilers. They feed on a wide variety of carbohydrates a... | Biology and health sciences | Zygentoma | Animals |
2021419 | https://en.wikipedia.org/wiki/Relativistic%20mechanics | Relativistic mechanics | In physics, relativistic mechanics refers to mechanics compatible with special relativity (SR) and general relativity (GR). It provides a non-quantum mechanical description of a system of particles, or of a fluid, in cases where the velocities of moving objects are comparable to the speed of light c. As a result, class... | Physical sciences | Basics_10 | null |
2024795 | https://en.wikipedia.org/wiki/Mathematical%20formulation%20of%20the%20Standard%20Model | Mathematical formulation of the Standard Model | This article describes the mathematics of the Standard Model of particle physics, a gauge quantum field theory containing the internal symmetries of the unitary product group . The theory is commonly viewed as describing the fundamental set of particles – the leptons, quarks, gauge bosons and the Higgs boson.
The Stan... | Physical sciences | Particle physics: General | Physics |
2025047 | https://en.wikipedia.org/wiki/Aplacophora | Aplacophora | Aplacophora is a possibly paraphyletic taxon. This is a class of small, deep-water, exclusively benthic, marine molluscs found in all oceans of the world.
All known modern forms are shell-less: only some extinct primitive forms possessed valves. The group comprises the two clades Solenogastres (Neomeniomorpha) and C... | Biology and health sciences | Mollusks | Animals |
2025919 | https://en.wikipedia.org/wiki/Pattern%20%28sewing%29 | Pattern (sewing) | In sewing and fashion design, a pattern is the template from which the parts of a garment are traced onto woven or knitted fabrics before being cut out and assembled. Patterns are usually made of paper, and are sometimes made of sturdier materials like paperboard or cardboard if they need to be more robust to withstand... | Technology | Other techniques | null |
22782965 | https://en.wikipedia.org/wiki/Voay | Voay | Voay is an extinct genus of crocodile from Madagascar that lived during the Late Pleistocene to Holocene, containing only one species, V. robustus. Numerous subfossils have been found, including complete skulls, noted for their distinctive pair of horns on the posterior, as well as vertebrae and osteoderms from such pl... | Biology and health sciences | Prehistoric crocodiles | Animals |
22785535 | https://en.wikipedia.org/wiki/Ken%20%28unit%29 | Ken (unit) | The is a traditional Japanese unit of length, equal to six Japanese feet (shaku). The exact value has varied over time and location but has generally been a little shorter than . It is now standardized as 1.82 m.
Although mostly supplanted by the metric system, this unit is a common measurement in Japanese architectu... | Physical sciences | East Asian | Basics and measurement |
35607283 | https://en.wikipedia.org/wiki/Superfluidity | Superfluidity | Superfluidity is the characteristic property of a fluid with zero viscosity which therefore flows without any loss of kinetic energy. When stirred, a superfluid forms vortices that continue to rotate indefinitely. Superfluidity occurs in two isotopes of helium (helium-3 and helium-4) when they are liquefied by cooling ... | Physical sciences | States of matter | Physics |
902683 | https://en.wikipedia.org/wiki/Dental%20braces | Dental braces | Dental braces (also known as orthodontic braces, or simply braces) are devices used in orthodontics that align and straighten teeth and help position them with regard to a person's bite, while also aiming to improve dental health. They are often used to correct underbites, as well as malocclusions, overbites, open bite... | Biology and health sciences | Dental treatments | Health |
902982 | https://en.wikipedia.org/wiki/Slug%20%28unit%29 | Slug (unit) | The slug is a derived unit of mass in a weight-based system of measures, most notably within the British Imperial measurement system and the United States customary measures system. Systems of measure either define mass and derive a force unit or define a base force and derive a mass unit (cf. poundal, a derived unit o... | Physical sciences | Mass and weight | Basics and measurement |
904386 | https://en.wikipedia.org/wiki/Addax | Addax | The addax (Addax nasomaculatus), also known as the white antelope and the screwhorn antelope, is an antelope native to the Sahara Desert. The only member of the genus Addax, it was first described scientifically by Henri de Blainville in 1816. As suggested by its alternative name, the pale antelope has long, twisted ho... | Biology and health sciences | Bovidae | Animals |
904954 | https://en.wikipedia.org/wiki/Hives | Hives | Hives, also known as urticaria, is a kind of skin rash with red and/or flesh-colored, raised, itchy bumps. Hives may burn or sting. The patches of rash may appear on different body parts, with variable duration from minutes to days, and do not leave any long-lasting skin change. Fewer than 5% of cases last for more tha... | Biology and health sciences | Symptoms and signs | Health |
906156 | https://en.wikipedia.org/wiki/Hydrogen%20economy | Hydrogen economy | The hydrogen economy is an umbrella term for the roles hydrogen can play alongside low-carbon electricity to reduce emissions of greenhouse gases. The aim is to reduce emissions where cheaper and more energy-efficient clean solutions are not available. In this context, hydrogen economy encompasses the production of hyd... | Technology | Fuel | null |
906475 | https://en.wikipedia.org/wiki/Athlete%27s%20foot | Athlete's foot | Athlete's foot, known medically as tinea pedis, is a common skin infection of the feet caused by a fungus. Signs and symptoms often include itching, scaling, cracking and redness. In rare cases the skin may blister. Athlete's foot fungus may infect any part of the foot, but most often grows between the toes. The next m... | Biology and health sciences | Fungal infections | Health |
6737633 | https://en.wikipedia.org/wiki/Disc%20herniation | Disc herniation | A disc herniation or spinal disc herniation is an injury to the intervertebral disc between two vertebrae, usually caused by excessive strain or trauma to the spine. It may result in back pain, pain or sensation in different parts of the body, and physical disability. The most conclusive diagnostic tool for disc hernia... | Biology and health sciences | Types | Health |
2817032 | https://en.wikipedia.org/wiki/Disposable%20product | Disposable product | A disposable (also called disposable product) is a product designed for a single use after which it is recycled or is disposed as solid waste. The term is also sometimes used for products that may last several months (e.g. disposable air filters) to distinguish from similar products that last indefinitely (e.g. washabl... | Technology | Industry: General | null |
2817855 | https://en.wikipedia.org/wiki/Larmor%20formula | Larmor formula | In electrodynamics, the Larmor formula is used to calculate the total power radiated by a nonrelativistic point charge as it accelerates. It was first derived by J. J. Larmor in 1897, in the context of the wave theory of light.
When any charged particle (such as an electron, a proton, or an ion) accelerates, energy is... | Physical sciences | Electromagnetic radiation | Physics |
2819553 | https://en.wikipedia.org/wiki/Hyaenodon | Hyaenodon | Hyaenodon ("hyena-tooth") is an extinct genus of carnivorous placental mammals from extinct tribe Hyaenodontini within extinct subfamily Hyaenodontinae (in extinct family Hyaenodontidae), that lived in Eurasia and North America from the middle Eocene, throughout the Oligocene, to the early Miocene.
Description
Typica... | Biology and health sciences | Mammals: General | Animals |
2820700 | https://en.wikipedia.org/wiki/Dysnomia%20%28moon%29 | Dysnomia (moon) | Dysnomia (formally (136199) Eris I Dysnomia) is the only known moon of the dwarf planet Eris and is the second-largest known moon of a dwarf planet, after Pluto I Charon. It was discovered in September 2005 by Mike Brown and the Laser Guide Star Adaptive Optics (LGSAO) team at the W. M. Keck Observatory. It carried the... | Physical sciences | Solar System | Astronomy |
3783315 | https://en.wikipedia.org/wiki/Virus%20latency | Virus latency | Virus latency (or viral latency) is the ability of a pathogenic virus to lie dormant (latent) within a cell, denoted as the lysogenic part of the viral life cycle. A latent viral infection is a type of persistent viral infection which is distinguished from a chronic viral infection. Latency is the phase in certain vir... | Biology and health sciences | Concepts | Health |
1387527 | https://en.wikipedia.org/wiki/Shake%20%28unit%29 | Shake (unit) | A shake is an informal metric unit of time equal to 10 nanoseconds, or 10−8 seconds. It was originally coined for use in nuclear physics, helping to conveniently express the timing of various events in a nuclear reaction.
Etymology
Like many informal units having to do with nuclear physics, it arose from top secret op... | Physical sciences | Time | Basics and measurement |
1387753 | https://en.wikipedia.org/wiki/Microsporidia | Microsporidia | Microsporidia are a group of spore-forming unicellular parasites. These spores contain an extrusion apparatus that has a coiled polar tube ending in an anchoring disc at the apical part of the spore. They were once considered protozoans or protists, but are now known to be fungi, or a sister group to true fungi. These ... | Biology and health sciences | Basics | Plants |
1388407 | https://en.wikipedia.org/wiki/Brassica%20oleracea | Brassica oleracea | Brassica oleracea is a plant of the family Brassicaceae, also known as wild cabbage in its uncultivated form. The species evidently originated from feral populations of related plants in the Eastern Mediterranean, where it was most likely first cultivated. It has many common cultivars used as vegetables, including cabb... | Biology and health sciences | Brassicales | Plants |
1389714 | https://en.wikipedia.org/wiki/Man-portable%20air-defense%20system | Man-portable air-defense system | Man-portable air-defense systems (MANPADS or MPADS) are portable shoulder-launched surface-to-air missiles. They are guided weapons and are a threat to low-flying aircraft, especially helicopters and also used against low-flying cruise missiles. These short-range missiles can also be fired from vehicles, tripods, weapo... | Technology | Missiles | null |
1390921 | https://en.wikipedia.org/wiki/Single%20bond | Single bond | In chemistry, a single bond is a chemical bond between two atoms involving two valence electrons. That is, the atoms share one pair of electrons where the bond forms. Therefore, a single bond is a type of covalent bond. When shared, each of the two electrons involved is no longer in the sole possession of the orbital i... | Physical sciences | Bonding | Chemistry |
1391822 | https://en.wikipedia.org/wiki/Repenomamus | Repenomamus | Repenomamus (Latin: "reptile" (reptilis), "mammal" (mammalis)) is a genus of opossum- to badger-sized gobiconodontid mammal containing two species, Repenomamus robustus and Repenomamus giganticus. Both species are known from fossils found in China that date to the early Cretaceous period, about 125-123.2 million years ... | Biology and health sciences | Stem-mammals | Animals |
28862381 | https://en.wikipedia.org/wiki/Thermal%20fluctuations | Thermal fluctuations | In statistical mechanics, thermal fluctuations are random deviations of an atomic system from its average state, that occur in a system at equilibrium. All thermal fluctuations become larger and more frequent as the temperature increases, and likewise they decrease as temperature approaches absolute zero.
Thermal flu... | Physical sciences | Thermodynamics | Physics |
5130291 | https://en.wikipedia.org/wiki/Emperor%20angelfish | Emperor angelfish | The emperor angelfish (Pomacanthus imperator) is a species of marine angelfish. It is a reef-associated fish, native to the Indian and Pacific Oceans, from the Red Sea to Hawaii and the Austral Islands. This species is generally associated with stable populations and faces no major threats of extinction. It is a favo... | Biology and health sciences | Acanthomorpha | Animals |
20294004 | https://en.wikipedia.org/wiki/Psocodea | Psocodea | Psocodea is a taxonomic group of insects comprising the bark lice, book lice and parasitic lice. It was formerly considered a superorder, but is now generally considered by entomologists as an order. Despite the greatly differing appearance of parasitic lice (Phthiraptera), they are believed to have evolved from within... | Biology and health sciences | Insects: General | Animals |
24318825 | https://en.wikipedia.org/wiki/Lamination%20%28geology%29 | Lamination (geology) | In geology, lamination () is a small-scale sequence of fine layers (: laminae; : lamina) that occurs in sedimentary rocks. Laminae are normally smaller and less pronounced than bedding. Lamination is often regarded as planar structures one centimetre or less in thickness, whereas bedding layers are greater than one cen... | Physical sciences | Sedimentology | Earth science |
6742209 | https://en.wikipedia.org/wiki/Native%20metal | Native metal | A native metal is any metal that is found pure in its metallic form in nature. Metals that can be found as native deposits singly or in alloys include antimony, arsenic, bismuth, cadmium, chromium, cobalt, indium, iron, manganese, molybdenum, nickel, niobium, rhenium, tantalum, tellurium, tin, titanium, tungsten, vanad... | Physical sciences | Minerals | Earth science |
6746613 | https://en.wikipedia.org/wiki/Procambarus%20alleni | Procambarus alleni | The Everglades crayfish (Procambarus alleni), sometimes called the Florida crayfish, the blue crayfish, the electric blue crayfish, or the sapphire crayfish, is a species of freshwater crayfish endemic to Florida in the United States. Its natural range is the area east of St. Johns River and all of Florida from Levy Co... | Biology and health sciences | Crayfishes and lobsters | Animals |
6748280 | https://en.wikipedia.org/wiki/Material | Material | A material is a substance or mixture of substances that constitutes an object. Materials can be pure or impure, living or non-living matter. Materials can be classified on the basis of their physical and chemical properties, or on their geological origin or biological function. Materials science is the study of materia... | Physical sciences | Substance | Chemistry |
21346360 | https://en.wikipedia.org/wiki/Salvia | Salvia | Salvia () is the largest genus of plants in the sage family Lamiaceae, with nearly 1,000 species of shrubs, herbaceous perennials, and annuals. Within the Lamiaceae, Salvia is part of the tribe Mentheae within the subfamily Nepetoideae. One of several genera, commonly referred to as sage, it includes two widely used h... | Biology and health sciences | Lamiales | null |
21346982 | https://en.wikipedia.org/wiki/Kernel%20%28operating%20system%29 | Kernel (operating system) | A kernel is a computer program at the core of a computer's operating system that always has complete control over everything in the system. The kernel is also responsible for preventing and mitigating conflicts between different processes. It is the portion of the operating system code that is always resident in memory... | Technology | Operating systems | null |
21347057 | https://en.wikipedia.org/wiki/Unix-like | Unix-like | A Unix-like (sometimes referred to as UN*X, *nix or *NIX) operating system is one that behaves in a manner similar to a Unix system, although not necessarily conforming to or being certified to any version of the Single UNIX Specification. A Unix-like application is one that behaves like the corresponding Unix command ... | Technology | Operating Systems | null |
21347364 | https://en.wikipedia.org/wiki/Unix | Unix | Unix (, ; trademarked as UNIX) is a family of multitasking, multi-user computer operating systems that derive from the original AT&T Unix, whose development started in 1969 at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others. Initially intended for use inside the Bell System, AT&T licensed Unix... | Technology | Operating systems | null |
21347411 | https://en.wikipedia.org/wiki/Chemical%20compound | Chemical compound | A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) containing atoms from more than one chemical element held together by chemical bonds. A molecule consisting of atoms of only one element is therefore not a compound. A compound can be transformed into a different su... | Physical sciences | Chemistry | null |
21347643 | https://en.wikipedia.org/wiki/Mac%20operating%20systems | Mac operating systems | Mac operating systems were developed by Apple Inc. in a succession of two major series.
In 1984, Apple debuted the operating system that is now known as the classic Mac OS with its release of the original Macintosh System Software. The system, rebranded Mac OS in 1997, was pre-installed on every Macintosh until 2002 a... | Technology | Operating Systems | null |
21347678 | https://en.wikipedia.org/wiki/Unit%20of%20measurement | Unit of measurement | A unit of measurement, or unit of measure, is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity. Any other quantity of that kind can be expressed as a multiple of the unit of measurement.
For example, a length is a p... | Physical sciences | Measurement: General | null |
21347693 | https://en.wikipedia.org/wiki/Watt | Watt | The watt (symbol: W) is the unit of power or radiant flux in the International System of Units (SI), equal to 1 joule per second or 1 kg⋅m2⋅s−3. It is used to quantify the rate of energy transfer. The watt is named in honor of James Watt (1736–1819), an 18th-century Scottish inventor, mechanical engineer, and chemist w... | Physical sciences | Energy, power, force and pressure | null |
21349167 | https://en.wikipedia.org/wiki/Palaemon%20serratus | Palaemon serratus | Palaemon serratus, also called the common prawn, is a species of shrimp found in the Atlantic Ocean from Denmark to Mauritania, and in the Mediterranean Sea and Black Sea.
Ecology
Individuals live for 3–5 years in groups in rocky crevices at depths of up to . Females grow faster than males, and the population is highl... | Biology and health sciences | Shrimps and prawns | Animals |
21350772 | https://en.wikipedia.org/wiki/Greenhouse%20gas | Greenhouse gas | Greenhouse gases (GHGs) are the gases in the atmosphere that raise the surface temperature of planets such as the Earth. What distinguishes them from other gases is that they absorb the wavelengths of radiation that a planet emits, resulting in the greenhouse effect. The Earth is warmed by sunlight, causing its surface... | Physical sciences | Climate change | Earth science |
2026564 | https://en.wikipedia.org/wiki/Tissue%20paper | Tissue paper | Tissue paper, or simply tissue, is a lightweight paper or light crêpe paper. Tissue can be made from recycled paper pulp on a paper machine.
Tissue paper is very versatile, and different kinds are made to best serve these purposes, which are hygienic tissue paper, facial tissues, paper towels, as packing material, amo... | Technology | Materials | null |
2026577 | https://en.wikipedia.org/wiki/Snakefly | Snakefly | Snakeflies are a group of predatory insects comprising the order Raphidioptera with two extant families: Raphidiidae and Inocelliidae, consisting of roughly 260 species. In the past, the group had a much wider distribution than it does now; snakeflies are found in temperate regions worldwide but are absent from the tro... | Biology and health sciences | Insects: General | Animals |
2028368 | https://en.wikipedia.org/wiki/Mustard%20plant | Mustard plant | The mustard plant is any one of several plant species in the genera Brassica, Rhamphospermum and Sinapis in the family Brassicaceae (the mustard family). Mustard seed is used as a spice. Grinding and mixing the seeds with water, vinegar, or other liquids creates the yellow condiment known as prepared mustard. The seeds... | Biology and health sciences | Herbs and spices | Plants |
2029258 | https://en.wikipedia.org/wiki/Embioptera | Embioptera | The order Embioptera, commonly known as webspinners or footspinners, are a small group of mostly tropical and subtropical insects, classified under the subclass Pterygota. The order has also been called Embiodea or Embiidina. More than 400 species in 11 families have been described, the oldest known fossils of the grou... | Biology and health sciences | Insects: General | Animals |
2030304 | https://en.wikipedia.org/wiki/Nail%20gun | Nail gun | A nail gun, nailgun or nailer is a form of hammer used to drive nails into wood or other materials. It is usually driven by compressed air (pneumatic), electromagnetism, highly flammable gases such as butane or propane, or, for powder-actuated tools, a small explosive charge. Nail guns have in many ways replaced hammer... | Technology | Hydraulics and pneumatics | null |
2031045 | https://en.wikipedia.org/wiki/Hardware%20acceleration | Hardware acceleration | Hardware acceleration is the use of computer hardware designed to perform specific functions more efficiently when compared to software running on a general-purpose central processing unit (CPU). Any transformation of data that can be calculated in software running on a generic CPU can also be calculated in custom-made... | Technology | Computer hardware | null |
2823401 | https://en.wikipedia.org/wiki/Cavendish%20banana | Cavendish banana | Cavendish bananas are the fruits of one of a number of banana cultivars belonging to the Cavendish subgroup of the AAA banana cultivar group (triploid cultivars of Musa acuminata). The same term is also used to describe the plants on which the bananas grow.
They include commercially important cultivars like 'Dwarf Cav... | Biology and health sciences | Tropical and tropical-like fruit | Plants |
28871384 | https://en.wikipedia.org/wiki/Free-ranging%20dog | Free-ranging dog | A free-ranging dog is a dog that is not confined to a yard or house. Free-ranging dogs include street dogs, village dogs, stray dogs, feral dogs, etc., and may be owned or unowned. The global dog population is estimated to be 900 million, of which around 20% are regarded as owned pets and therefore restrained.
Free-ra... | Biology and health sciences | Dogs | Animals |
3790398 | https://en.wikipedia.org/wiki/Megamaser | Megamaser | A megamaser is a type of astrophysical maser, which is a naturally occurring source of stimulated spectral line emission. Megamasers are distinguished from other astrophysical masers by their large isotropic luminosity. Megamasers have typical luminosities of 103 solar luminosities (), which is 100 million times bright... | Physical sciences | Radio astronomy | Astronomy |
20303498 | https://en.wikipedia.org/wiki/Spinning%20%28polymers%29 | Spinning (polymers) | Spinning is a manufacturing process for creating polymer fibers. It is a specialized form of extrusion that uses a spinneret to form multiple continuous filaments.
Melt spinning
If the polymer is a thermoplastic then it can undergo melt spinning. The molten polymer is extruded through a spinneret composed of capillari... | Technology | Spinning | null |
20305069 | https://en.wikipedia.org/wiki/Graphite%20oxide | Graphite oxide | Graphite oxide (GO), formerly called graphitic oxide or graphitic acid, is a compound of carbon, oxygen, and hydrogen in variable ratios, obtained by treating graphite with strong oxidizers and acids for resolving of extra metals. The maximally oxidized bulk product is a yellow solid with C:O ratio between 2.1 and 2.9,... | Physical sciences | Ceramic compounds | Chemistry |
20310362 | https://en.wikipedia.org/wiki/Stellar%20kinematics | Stellar kinematics | In astronomy, stellar kinematics is the observational study or measurement of the kinematics or motions of stars through space.
Stellar kinematics encompasses the measurement of stellar velocities in the Milky Way and its satellites as well as the internal kinematics of more distant galaxies. Measurement of the kinema... | Physical sciences | Stellar astronomy | null |
25739045 | https://en.wikipedia.org/wiki/Angstrom | Angstrom | The angstrom (; ) is a unit of length equal to m; that is, one ten-billionth of a metre, a hundred-millionth of a centimetre, 0.1 nanometre, or 100 picometres. The unit is named after the Swedish physicist Anders Jonas Ångström (1814–1874). It was originally spelled with Swedish letters, as Ångström and later as ångs... | Physical sciences | Metric | Basics and measurement |
27604245 | https://en.wikipedia.org/wiki/Oral%20administration | Oral administration | Oral administration is a route of administration whereby a substance is taken through the mouth, swallowed, and then processed via the digestive system. This is a common route of administration for many medications.
Oral administration can be easier and less painful than other routes of administration, such as injecti... | Biology and health sciences | General concepts_2 | Health |
5133204 | https://en.wikipedia.org/wiki/Embraer%20EMB%20314%20Super%20Tucano | Embraer EMB 314 Super Tucano | The Embraer EMB 314 Super Tucano (English: Super Toucan), also named ALX or A-29, is a Brazilian turboprop light attack aircraft designed and built by Embraer as a development of the Embraer EMB 312 Tucano. The A-29 Super Tucano carries a wide variety of weapons, including precision-guided munitions, and was designed t... | Technology | Specific aircraft | null |
5139283 | https://en.wikipedia.org/wiki/Geometric%20albedo | Geometric albedo | In astronomy, the geometric albedo of a celestial body is the ratio of its actual brightness as seen from the light source (i.e. at zero phase angle) to that of an idealized flat, fully reflecting, diffusively scattering (Lambertian) disk with the same cross-section. (This phase angle refers to the direction of the lig... | Physical sciences | Planetary science | Astronomy |
906783 | https://en.wikipedia.org/wiki/Constructible%20function | Constructible function | In complexity theory, a time-constructible function is a function f from natural numbers to natural numbers with the property that f(n) can be constructed from n by a Turing machine in the time of order f(n). The purpose of such a definition is to exclude functions that do not provide an upper bound on the runtime of s... | Mathematics | Complexity theory | null |
906878 | https://en.wikipedia.org/wiki/Metamaterial | Metamaterial | A metamaterial (from the Greek word μετά meta, meaning "beyond" or "after", and the Latin word materia, meaning "matter" or "material") is a type of material engineered to have a property, typically rarely observed in naturally occurring materials, that is derived not from the properties of the base materials but from ... | Physical sciences | Basics_9 | null |
906890 | https://en.wikipedia.org/wiki/Benthic%20zone | Benthic zone | The benthic zone is the ecological region at the lowest level of a body of water such as an ocean, lake, or stream, including the sediment surface and some sub-surface layers. The name comes from the Ancient Greek word (), meaning "the depths". Organisms living in this zone are called benthos and include microorganis... | Physical sciences | Oceanography | Earth science |
908032 | https://en.wikipedia.org/wiki/Hair%20iron | Hair iron | A hair iron or hair tong is a tool used to change the arrangement of the hair using heat. There are three general kinds: curling irons, used to make the hair curl; straightening irons, commonly called straighteners or flat irons, used to straighten the hair; and crimping irons, used to create crimps of the desired size... | Technology | Household appliances | null |
908385 | https://en.wikipedia.org/wiki/Nanoelectromechanical%20systems | Nanoelectromechanical systems | Nanoelectromechanical systems (NEMS) are a class of devices integrating electrical and mechanical functionality on the nanoscale. NEMS form the next logical miniaturization step from so-called microelectromechanical systems, or MEMS devices. NEMS typically integrate transistor-like nanoelectronics with mechanical actua... | Technology | Machinery and tools: General | null |
908518 | https://en.wikipedia.org/wiki/Interchangeable%20parts | Interchangeable parts | Interchangeable parts are parts (components) that are identical for practical purposes. They are made to specifications that ensure that they are so nearly identical that they will fit into any assembly of the same type. One such part can freely replace another, without any custom fitting, such as filing. This intercha... | Technology | Basics_6 | null |
908738 | https://en.wikipedia.org/wiki/Gums | Gums | The gums or gingiva (: gingivae) consist of the mucosal tissue that lies over the mandible and maxilla inside the mouth. Gum health and disease can have an effect on general health.
Structure
The gums are part of the soft tissue lining of the mouth. They surround the teeth and provide a seal around them. Unlike the ... | Biology and health sciences | Gastrointestinal tract | Biology |
909019 | https://en.wikipedia.org/wiki/Sun-synchronous%20orbit | Sun-synchronous orbit | A Sun-synchronous orbit (SSO), also called a heliosynchronous orbit, is a nearly polar orbit around a planet, in which the satellite passes over any given point of the planet's surface at the same local mean solar time. More technically, it is an orbit arranged so that it precesses through one complete revolution each ... | Physical sciences | Orbital mechanics | Astronomy |
909402 | https://en.wikipedia.org/wiki/Aerial%20root | Aerial root | Aerial roots are roots growing above the ground. They are often adventitious, i.e. formed from nonroot tissue. They are found in diverse plant species, including epiphytes such as orchids (Orchidaceae), tropical coastal swamp trees such as mangroves, banyan figs (Ficus subg. Urostigma), the warm-temperate rainforest ra... | Biology and health sciences | Plant anatomy and morphology: General | Biology |
910155 | https://en.wikipedia.org/wiki/Jackhammer | Jackhammer | A jackhammer (pneumatic drill or demolition hammer in British English) is a pneumatic or electro-mechanical tool that combines a hammer directly with a chisel. It was invented by William McReavy, who then sold the patent to Charles Brady King. Hand-held jackhammers are generally powered by compressed air, but some are ... | Technology | Hydraulics and pneumatics | null |
549146 | https://en.wikipedia.org/wiki/Warehouse | Warehouse | A warehouse is a building for storing goods. Warehouses are used by manufacturers, importers, exporters, wholesalers, transport businesses, customs, etc. They are usually large plain buildings in industrial parks on the outskirts of cities, towns, or villages.
Warehouses usually have loading docks to load and unload g... | Technology | Commercial buildings | null |
549468 | https://en.wikipedia.org/wiki/Dracaena%20%28plant%29 | Dracaena (plant) | Dracaena () is a genus of about 200 species of trees and succulent shrubs. The formerly accepted genera Pleomele and Sansevieria are now included in Dracaena. In the APG IV classification system, it is placed in the family Asparagaceae, subfamily Nolinoideae (formerly the family Ruscaceae). It has also formerly been s... | Biology and health sciences | Asparagales | Plants |
549472 | https://en.wikipedia.org/wiki/Sea%20slug | Sea slug | Sea slug is a common name for some marine invertebrates with varying levels of resemblance to terrestrial slugs. Most creatures known as sea slugs are gastropods, i.e. they are sea snails (marine gastropod mollusks) that, over evolutionary time, have either entirely lost their shells or have seemingly lost their shells... | Biology and health sciences | Gastropods | Animals |
549991 | https://en.wikipedia.org/wiki/Experimental%20aircraft | Experimental aircraft | An experimental aircraft is an aircraft intended for testing new aerospace technologies and design concepts.
The term research aircraft or testbed aircraft, by contrast, generally denotes aircraft modified to perform scientific studies, such as weather research or geophysical surveying, similar to a research vessel.
... | Technology | Military aviation | null |
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