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17805223 | https://en.wikipedia.org/wiki/Concentrated%20solar%20power | Concentrated solar power | Concentrated solar power (CSP, also known as concentrating solar power, concentrated solar thermal) systems generate solar power by using mirrors or lenses to concentrate a large area of sunlight into a receiver. Electricity is generated when the concentrated light is converted to heat (solar thermal energy), which dri... | Technology | Power generation | null |
5805247 | https://en.wikipedia.org/wiki/Nodule%20%28geology%29 | Nodule (geology) | In geology and particularly in sedimentology, a nodule is a small, irregularly rounded knot, mass, or lump of a mineral or mineral aggregate that typically has a contrasting composition from the enclosing sediment or sedimentary rock. Examples include pyrite nodules in coal, a chert nodule in limestone, or a phosphorit... | Physical sciences | Sedimentary rocks | Earth science |
13843273 | https://en.wikipedia.org/wiki/Turritellidae | Turritellidae | Turritellidae, with the common name "tower shells" or "tower snails", is a taxonomic family of small- to medium-sized sea snails, marine gastropod molluscs in the Sorbeoconcha clade.
They are filter feeders; this method of feeding is somewhat unusual among gastropod mollusks, but is very common in bivalves.
Shell des... | Biology and health sciences | Gastropods | Animals |
2328336 | https://en.wikipedia.org/wiki/Otitis | Otitis | Otitis is a general term for inflammation in ear or ear infection, inner ear infection, middle ear infection of the ear, in both humans and other animals. When infection is present, it may be viral or bacterial. When inflammation is present due to fluid build up in the middle ear and infection is not present it is cons... | Biology and health sciences | Infectious diseases by site | Health |
2330138 | https://en.wikipedia.org/wiki/Agricultural%20cooperative | Agricultural cooperative | An agricultural cooperative, also known as a farmers' co-op, is a producer cooperative in which farmers pool their resources in certain areas of activities.
A broad typology of agricultural cooperatives distinguishes between agricultural service cooperatives, which provide various services to their individually-farmin... | Technology | Agriculture, labor and economy | null |
2330207 | https://en.wikipedia.org/wiki/Army%20ant | Army ant | The name army ant (or legionary ant or marabunta) is applied to over 200 ant species in different lineages. Because of their aggressive predatory foraging groups, known as "raids", a huge number of ants forage simultaneously over a limited area.
Another shared feature is that, unlike most ant species, army ants do not... | Biology and health sciences | Hymenoptera | Animals |
2332677 | https://en.wikipedia.org/wiki/Archive%20file | Archive file | In computing, an archive file is a computer file that is composed of one or more files along with metadata. Many archive formats also support compression of member files. Archive files are used to collect multiple data files together into a single file for easier portability and storage, or simply to compress files to ... | Technology | File formats | null |
2333272 | https://en.wikipedia.org/wiki/Typha%20latifolia | Typha latifolia | Typha latifolia is a perennial, herbaceous flowering wetland plant in the family Typhaceae. It is known commonly as bulrush (sometimes as common bulrush, to distinguish from other species of Typha); in North America, it is often referred to as broadleaf cattail, or simply as cat-tail or cattail reed. It is native throu... | Biology and health sciences | Poales | Plants |
2333728 | https://en.wikipedia.org/wiki/Haumea | Haumea | Haumea (minor-planet designation: 136108 Haumea) is a dwarf planet located beyond Neptune's orbit. It was discovered in 2004 by a team headed by Mike Brown of Caltech at the Palomar Observatory, and formally announced in 2005 by a team headed by José Luis Ortiz Moreno at the Sierra Nevada Observatory in Spain, who had ... | Physical sciences | Solar System | Astronomy |
7570884 | https://en.wikipedia.org/wiki/Megalaimidae | Megalaimidae | Megalaimidae, the Asian barbets, are a family of birds, comprising two genera with 35 species native to the forests of the Indomalayan realm from Tibet to Indonesia. They were once clubbed with all barbets in the family Capitonidae but the Old World species have been found to be distinctive and are considered, along wi... | Biology and health sciences | Piciformes | Animals |
7571211 | https://en.wikipedia.org/wiki/Lybiidae | Lybiidae | Lybiidae is a family of birds also known as the African barbets. There are 42 species ranging from the type genus Lybius of forest interior to the tinkerbirds (Pogoniulus) of forest and scrubland. They are found throughout sub-Saharan Africa, with the exception of the far south-west of South Africa.
The African terres... | Biology and health sciences | Piciformes | Animals |
12232494 | https://en.wikipedia.org/wiki/Underground%20power%20line | Underground power line | An underground power line provides electrical power with underground cables. Compared to overhead power lines, underground lines have lower risk of starting a wildfire and reduce the risk of the electrical supply being interrupted by outages during high winds, thunderstorms or heavy snow or ice storms. An added benef... | Technology | Earthworks | null |
3211372 | https://en.wikipedia.org/wiki/Screening%20%28medicine%29 | Screening (medicine) | Screening, in medicine, is a strategy used to look for as-yet-unrecognised conditions or risk markers. This testing can be applied to individuals or to a whole population without symptoms or signs of the disease being screened.
Screening interventions are designed to identify conditions which could at some future poin... | Biology and health sciences | Diagnostics | Health |
3212996 | https://en.wikipedia.org/wiki/Pseudevernia%20furfuracea | Pseudevernia furfuracea | Pseudevernia furfuracea, commonly known as tree moss, is a lichenized species of fungus that grows on the bark of firs and pines. The lichen is rather sensitive to air pollution, its presence usually indicating good air conditions in the growing place. The species has numerous human uses, including use in perfume, emba... | Biology and health sciences | Lichens | Plants |
16637905 | https://en.wikipedia.org/wiki/Lattice%20phase%20equaliser | Lattice phase equaliser | A lattice phase equaliser or lattice filter is an example of an all-pass filter. That is, the attenuation of the filter is constant at all frequencies but the relative phase between input and output varies with frequency. The lattice filter topology has the particular property of being a constant-resistance network and... | Technology | Signal processing | null |
11280915 | https://en.wikipedia.org/wiki/Frailty%20syndrome | Frailty syndrome | Frailty or frailty syndrome refers to a state of health in which older adults gradually lose their bodies' in-built reserves and functioning. This makes them more vulnerable, less able to recover and even apparently minor events (infections, environmental changes) can have drastic impacts on their physical and mental h... | Biology and health sciences | Health and fitness: General | Health |
11281160 | https://en.wikipedia.org/wiki/CIELUV | CIELUV | In colorimetry, the CIE 1976 L*, u*, v* color space, commonly known by its abbreviation CIELUV, is a color space adopted by the International Commission on Illumination (CIE) in 1976, as a simple-to-compute transformation of the 1931 CIE XYZ color space, but which attempted perceptual uniformity. It is extensively use... | Physical sciences | Basics | Physics |
4370004 | https://en.wikipedia.org/wiki/Lepton%20epoch | Lepton epoch | In cosmological models of the Big Bang, the lepton epoch was the period in the evolution of the early universe in which the leptons dominated the mass of the Universe. It started roughly 1 second after the Big Bang, after the majority of hadrons and anti-hadrons annihilated each other at the end of the hadron epoch. Du... | Physical sciences | Physical cosmology | Astronomy |
4370036 | https://en.wikipedia.org/wiki/Electroweak%20epoch | Electroweak epoch | In physical cosmology, the electroweak epoch was the period in the evolution of the early universe when the temperature of the universe had fallen enough that the strong force separated from the electronuclear interaction, but was still high enough for electromagnetism and the weak interaction to remain merged into a s... | Physical sciences | Physical cosmology | Astronomy |
4370125 | https://en.wikipedia.org/wiki/Grand%20unification%20epoch | Grand unification epoch | In physical cosmology, the grand unification epoch is a poorly understood period in the evolution of the early universe following the Planck epoch and preceding inflation (cosmology). This places it between about 10−43 seconds after the Big Bang and 10−35 seconds, when the temperature of the universe was comparable to... | Physical sciences | Physical cosmology | Astronomy |
193031 | https://en.wikipedia.org/wiki/Stamen | Stamen | The stamen (: stamina or stamens) is a part consisting of the male reproductive organs of a flower. Collectively, the stamens form the androecium.
Morphology and terminology
A stamen typically consists of a stalk called the filament and an anther which contains microsporangia. Most commonly anthers are two-lobed (eac... | Biology and health sciences | Plant anatomy and morphology: General | Biology |
193284 | https://en.wikipedia.org/wiki/Baking%20powder | Baking powder | Baking powder is a dry chemical leavening agent, a mixture of a carbonate or bicarbonate and a weak acid. The base and acid are prevented from reacting prematurely by the inclusion of a buffer such as cornstarch. Baking powder is used to increase the volume and lighten the texture of baked goods. It works by releasing ... | Physical sciences | Carbonic oxyanions | Chemistry |
193287 | https://en.wikipedia.org/wiki/Heartburn | Heartburn | Heartburn, also known as pyrosis, cardialgia or acid indigestion, is a burning sensation in the central chest or upper central abdomen. Heartburn is usually due to regurgitation of gastric acid (gastric reflux) into the esophagus. It is the major symptom of gastroesophageal reflux disease (GERD).
Other common descript... | Biology and health sciences | Symptoms and signs | Health |
193305 | https://en.wikipedia.org/wiki/Magnesium%20hydroxide | Magnesium hydroxide | Magnesium hydroxide is an inorganic compound with the chemical formula Mg(OH)2. It occurs in nature as the mineral brucite. It is a white solid with low solubility in water (). Magnesium hydroxide is a common component of antacids, such as milk of magnesia.
Preparation
Treating the solution of different soluble magnes... | Physical sciences | Hydroxy anion | Chemistry |
193308 | https://en.wikipedia.org/wiki/Cryolite | Cryolite | Cryolite (Na3AlF6, sodium hexafluoroaluminate) is an uncommon mineral identified with the once-large deposit at Ivittuut on the west coast of Greenland, mined commercially until 1987.
It is used in the reduction ("smelting") of aluminium, in pest control, and as a dye.
History
Cryolite was first described in 1798 by ... | Physical sciences | Minerals | Earth science |
193366 | https://en.wikipedia.org/wiki/Asafoetida | Asafoetida | Asafoetida (; also spelled asafetida) is the dried latex (gum oleoresin) exuded from the rhizome or tap root of several species of Ferula, perennial herbs of the carrot family. It is produced in Iran, Afghanistan, Central Asia, northern India and Northwest China (Xinjiang). Different regions have different botanical s... | Biology and health sciences | Herbs and spices | Plants |
193398 | https://en.wikipedia.org/wiki/Traumatology | Traumatology | In medicine, traumatology (from Greek trauma, meaning injury or wound) is the study of wounds and injuries caused by accidents or violence to a person, and the surgical therapy and repair of the damage. Traumatology is a branch of medicine. It is often considered a subset of surgery and in countries without the special... | Biology and health sciences | Fields of medicine | Health |
193577 | https://en.wikipedia.org/wiki/Lynx%20%28constellation%29 | Lynx (constellation) | Lynx is a constellation named after the animal, usually observed in the Northern Celestial Hemisphere. The constellation was introduced in the late 17th century by Johannes Hevelius. It is a faint constellation, with its brightest stars forming a zigzag line. The orange giant Alpha Lyncis is the brightest star in the c... | Physical sciences | Other | Astronomy |
193735 | https://en.wikipedia.org/wiki/Poisson%27s%20equation | Poisson's equation | Poisson's equation is an elliptic partial differential equation of broad utility in theoretical physics. For example, the solution to Poisson's equation is the potential field caused by a given electric charge or mass density distribution; with the potential field known, one can then calculate the corresponding electro... | Mathematics | Multivariable and vector calculus | null |
193748 | https://en.wikipedia.org/wiki/Integration%20by%20substitution | Integration by substitution | In calculus, integration by substitution, also known as u-substitution, reverse chain rule or change of variables, is a method for evaluating integrals and antiderivatives. It is the counterpart to the chain rule for differentiation, and can loosely be thought of as using the chain rule "backwards."
Substitution for a... | Mathematics | Integral calculus | null |
193752 | https://en.wikipedia.org/wiki/Parasympathetic%20nervous%20system | Parasympathetic nervous system | The parasympathetic nervous system (PSNS) is one of the three divisions of the autonomic nervous system, the others being the sympathetic nervous system and the enteric nervous system.
The autonomic nervous system is responsible for regulating the body's unconscious actions. The parasympathetic system is responsible f... | Biology and health sciences | Nervous system | Biology |
193753 | https://en.wikipedia.org/wiki/Sympathetic%20nervous%20system | Sympathetic nervous system | The sympathetic nervous system (SNS or SANS, sympathetic autonomic nervous system, to differentiate it from the somatic nervous system) is one of the three divisions of the autonomic nervous system, the others being the parasympathetic nervous system and the enteric nervous system. The enteric nervous system is sometim... | Biology and health sciences | Nervous system | Biology |
193957 | https://en.wikipedia.org/wiki/Spaghetti%20squash | Spaghetti squash | Spaghetti squash or vegetable spaghetti is a group of cultivars of Cucurbita pepo subsp. pepo. They are available in a variety of shapes, sizes, and colours, including ivory, yellow and orange, with orange having the highest amount of carotene. Its center contains many large seeds. When raw, the flesh is solid and simi... | Biology and health sciences | Botanical fruits used as culinary vegetables | Plants |
193975 | https://en.wikipedia.org/wiki/Edible%20mushroom | Edible mushroom | Edible mushrooms are the fleshy fruit bodies of numerous species of macrofungi (fungi that bear fruiting structures large enough to be seen with the naked eye). Edibility may be defined by criteria including the absence of poisonous effects on humans and desirable taste and aroma. Mushrooms that have a particularly des... | Biology and health sciences | Edible fungi | Plants |
194031 | https://en.wikipedia.org/wiki/Nuclear%20fuel%20cycle | Nuclear fuel cycle | The nuclear fuel cycle, also called nuclear fuel chain, is the progression of nuclear fuel through a series of differing stages. It consists of steps in the front end, which are the preparation of the fuel, steps in the service period in which the fuel is used during reactor operation, and steps in the back end, which ... | Technology | Fuel | null |
194068 | https://en.wikipedia.org/wiki/Blue-ringed%20octopus | Blue-ringed octopus | Blue-ringed octopuses, comprising the genus Hapalochlaena, are four extremely venomous species of octopus that are found in tide pools and coral reefs in the Pacific and Indian oceans, from Japan to Australia. They can be identified by their yellowish skin and characteristic blue and black rings that can change color d... | Biology and health sciences | Cephalopods | Animals |
194227 | https://en.wikipedia.org/wiki/Heat%20capacity | Heat capacity | Heat capacity or thermal capacity is a physical property of matter, defined as the amount of heat to be supplied to an object to produce a unit change in its temperature. The SI unit of heat capacity is joule per kelvin (J/K).
Heat capacity is an extensive property. The corresponding intensive property is the speci... | Physical sciences | Thermodynamics | null |
194277 | https://en.wikipedia.org/wiki/Mangonel | Mangonel | The mangonel, also called the traction trebuchet, was a type of trebuchet used in Ancient China starting from the Warring States period, and later across Eurasia by the 6th century AD. Unlike the later counterweight trebuchet, the mangonel operated on manpower-pulling cords attached to a lever and sling to launch proje... | Technology | Artillery | null |
194422 | https://en.wikipedia.org/wiki/Ball%20lightning | Ball lightning | Ball lightning is a rare and unexplained phenomenon described as luminescent, spherical objects that vary from pea-sized to several meters in diameter. Though usually associated with thunderstorms, the observed phenomenon is reported to last considerably longer than the split-second flash of a lightning bolt, and is a ... | Physical sciences | Storms | Earth science |
194538 | https://en.wikipedia.org/wiki/Thumb | Thumb | The thumb is the first digit of the hand, next to the index finger. When a person is standing in the medical anatomical position (where the palm is facing to the front), the thumb is the outermost digit. The Medical Latin English noun for thumb is pollex (compare hallux for big toe), and the corresponding adjective for... | Biology and health sciences | Human anatomy | Health |
194578 | https://en.wikipedia.org/wiki/Ricinulei | Ricinulei | Ricinulei is a small order of arachnids. Like most arachnids, they are predatory; eating small arthropods. They occur today in west-central Africa (Ricinoides) and the Americas (Cryptocellus and Pseudocellus) from South America to as far north as Texas, where they either inhabit leaf-litter or caves. As of 2022, 103 ex... | Biology and health sciences | Arachnids | Animals |
194603 | https://en.wikipedia.org/wiki/Screwdriver | Screwdriver | A screwdriver is a tool, manual or powered, used for turning screws.
Description
A typical simple screwdriver has a handle and a shaft, ending in a tip the user puts into the screw head before turning the handle. This form of the screwdriver has been replaced in many workplaces and homes with a more modern and versat... | Technology | Hand tools | null |
194634 | https://en.wikipedia.org/wiki/Moment-generating%20function | Moment-generating function | In probability theory and statistics, the moment-generating function of a real-valued random variable is an alternative specification of its probability distribution. Thus, it provides the basis of an alternative route to analytical results compared with working directly with probability density functions or cumulative... | Mathematics | Probability | null |
194637 | https://en.wikipedia.org/wiki/Acetate | Acetate | An acetate is a salt formed by the combination of acetic acid with a base (e.g. alkaline, earthy, metallic, nonmetallic or radical base). "Acetate" also describes the conjugate base or ion (specifically, the negatively charged ion called an anion) typically found in aqueous solution and written with the chemical formul... | Physical sciences | Acetates | Chemistry |
194873 | https://en.wikipedia.org/wiki/Allspice | Allspice | Allspice, also known as Jamaica pepper, myrtle pepper, pimenta, or pimento, is the dried unripe berry of Pimenta dioica, a midcanopy tree native to the Greater Antilles, southern Mexico, and Central America, now cultivated in many warm parts of the world. The name allspice was coined as early as 1621 by the English, wh... | Biology and health sciences | Herbs and spices | Plants |
194883 | https://en.wikipedia.org/wiki/Cymbopogon | Cymbopogon | Cymbopogon, also known as lemongrass, barbed wire grass, silky heads, oily heads, Cochin grass, Malabar grass, citronella grass or fever grass, is a genus of Asian, African, Australian, and tropical island plants in the grass family.
Some species (particularly Cymbopogon citratus) are commonly cultivated as culinary an... | Biology and health sciences | Herbs and spices | Plants |
194926 | https://en.wikipedia.org/wiki/Petersen%20graph | Petersen graph | In the mathematical field of graph theory, the Petersen graph is an undirected graph with 10 vertices and 15 edges. It is a small graph that serves as a useful example and counterexample for many problems in graph theory. The Petersen graph is named after Julius Petersen, who in 1898 constructed it to be the smallest b... | Mathematics | Graph theory | null |
195100 | https://en.wikipedia.org/wiki/Voskhod%20programme | Voskhod programme | The Voskhod programme (, , Ascent or Dawn) was the second Soviet human spaceflight project. Two one-day crewed missions were flown using the Voskhod spacecraft and rocket, one in 1964 and one in 1965, and two dogs flew on a 22-day mission in 1966.
Voskhod development was both a follow-on to the Vostok programme and a ... | Technology | Programs and launch sites | null |
195137 | https://en.wikipedia.org/wiki/Oil%20refinery | Oil refinery | An oil refinery or petroleum refinery is an industrial process plant where petroleum (crude oil) is transformed and refined into products such as gasoline (petrol), diesel fuel, asphalt base, fuel oils, heating oil, kerosene, liquefied petroleum gas and petroleum naphtha. Petrochemical feedstock like ethylene and propy... | Technology | Energy and fuel | null |
195164 | https://en.wikipedia.org/wiki/Old%20World%20warbler | Old World warbler | The Old World warblers are a large group of birds formerly grouped together in the bird family Sylviidae. They are not closely related to the New World warblers. The family held over 400 species in over 70 genera, and were the source of much taxonomic confusion. Two families were split out initially, the cisticolas int... | Biology and health sciences | Passerida | Animals |
195187 | https://en.wikipedia.org/wiki/Zidovudine | Zidovudine | Zidovudine (ZDV), also known as azidothymidine (AZT), was the first antiretroviral medication used to prevent and treat HIV/AIDS. It is generally recommended for use in combination with other antiretrovirals. It may be used to prevent mother-to-child spread during birth or after a needlestick injury or other potential ... | Biology and health sciences | Antiviral drugs | Health |
195193 | https://en.wikipedia.org/wiki/Sky | Sky | The sky is an unobstructed view upward from the surface of the Earth. It includes the atmosphere and outer space. It may also be considered a place between the ground and outer space, thus distinct from outer space.
In the field of astronomy, the sky is also called the celestial sphere. This is an abstract sphere, con... | Physical sciences | Atmospheric optics | null |
195198 | https://en.wikipedia.org/wiki/Mist | Mist | Mist is a phenomenon caused by small droplets of water suspended in the cold air, usually by condensation. Physically, it is an example of a dispersion. It is most commonly seen where water vapor in warm, moist air meets sudden cooling, such as in exhaled air in the winter, or when throwing water onto the hot stove of ... | Physical sciences | Clouds | Earth science |
195243 | https://en.wikipedia.org/wiki/Riemannian%20geometry | Riemannian geometry | Riemannian geometry is the branch of differential geometry that studies Riemannian manifolds, defined as smooth manifolds with a Riemannian metric (an inner product on the tangent space at each point that varies smoothly from point to point). This gives, in particular, local notions of angle, length of curves, surface ... | Mathematics | Geometry | null |
195351 | https://en.wikipedia.org/wiki/Jacobian%20matrix%20and%20determinant | Jacobian matrix and determinant | In vector calculus, the Jacobian matrix (, ) of a vector-valued function of several variables is the matrix of all its first-order partial derivatives. When this matrix is square, that is, when the function takes the same number of variables as input as the number of vector components of its output, its determinant is ... | Mathematics | Multivariable and vector calculus | null |
195407 | https://en.wikipedia.org/wiki/Einstein%20notation | Einstein notation | In mathematics, especially the usage of linear algebra in mathematical physics and differential geometry, Einstein notation (also known as the Einstein summation convention or Einstein summation notation) is a notational convention that implies summation over a set of indexed terms in a formula, thus achieving brevity... | Mathematics | Linear algebra | null |
195666 | https://en.wikipedia.org/wiki/Derailleur | Derailleur | A derailleur is a variable-ratio bicycle gearing system consisting of a chain, multiple sprockets of different sizes, and a mechanism to move the chain from one sprocket to another.
Modern front and rear derailleurs typically consist of a moveable chain-guide that is operated remotely by a Bowden cable attached to a ... | Technology | Human-powered transport | null |
195729 | https://en.wikipedia.org/wiki/Period%203%20element | Period 3 element | A period 3 element is one of the chemical elements in the third row (or period) of the periodic table of the chemical elements. The periodic table is laid out in rows to illustrate recurring (periodic) trends in the chemical behavior of the elements as their atomic number increases: a new row is begun when chemical beh... | Physical sciences | Periods | Chemistry |
195734 | https://en.wikipedia.org/wiki/Pecan | Pecan | The pecan ( , , ; Carya illinoinensis) is a species of hickory native to the Southern United States and northern Mexico in the region of the Mississippi River.
The tree is cultivated for its seed primarily in the U.S. states of Georgia, New Mexico, and Texas, and in Mexico. The seed is an edible nut used as a snack... | Biology and health sciences | Fagales | null |
195752 | https://en.wikipedia.org/wiki/Flash%20%28photography%29 | Flash (photography) | A flash is a device used in photography that produces a brief burst of light (lasting around of a second) at a color temperature of about 5500 K to help illuminate a scene. The main purpose of a flash is to illuminate a dark scene. Other uses are capturing quickly moving objects or changing the quality of light. Flash... | Technology | Photography | null |
195768 | https://en.wikipedia.org/wiki/Legionella | Legionella | Legionella is a genus of gram-negative bacteria that can be seen using a silver stain or grown in a special media that contains cysteine, an amino acid. It is known to cause legionellosis (all illnesses caused by Legionella) including a pneumonia-type illness called Legionnaires' disease and a mild flu-like illness cal... | Biology and health sciences | Gram-positive bacteria | Plants |
195781 | https://en.wikipedia.org/wiki/Australian%20magpie | Australian magpie | The Australian magpie (Gymnorhina tibicen) is a black and white passerine bird native to Australia and southern New Guinea, and introduced to New Zealand, and the Fijian island of Taveuni. Although once considered to be three separate species, it is now considered to be one, with nine recognised subspecies. A member of... | Biology and health sciences | Passerida | Animals |
195795 | https://en.wikipedia.org/wiki/Metric%20tensor | Metric tensor | In the mathematical field of differential geometry, a metric tensor (or simply metric) is an additional structure on a manifold (such as a surface) that allows defining distances and angles, just as the inner product on a Euclidean space allows defining distances and angles there. More precisely, a metric tensor at a... | Mathematics | Linear algebra | null |
195802 | https://en.wikipedia.org/wiki/Eurasian%20magpie | Eurasian magpie | The Eurasian magpie or common magpie (Pica pica) is a resident breeding bird throughout the northern part of the Eurasian continent. It is one of several birds in the crow family (corvids) designated magpies, and belongs to the Holarctic radiation of "monochrome" magpies. In Europe, "magpie" is used by English speakers... | Biology and health sciences | Corvoidea | null |
1096021 | https://en.wikipedia.org/wiki/Earthworks%20%28engineering%29 | Earthworks (engineering) | Earthworks are engineering works created through the processing of parts of the earth's surface involving quantities of soil or unformed rock.
Shoring structures
An incomplete list of possible temporary or permanent geotechnical shoring structures that may be designed and utilised as part of earthworks:
Mechanically ... | Technology | Earthworks | null |
1096809 | https://en.wikipedia.org/wiki/Polar%20night | Polar night | Polar night is a phenomenon that occurs in the northernmost and southernmost regions of Earth when the Sun remains below the horizon for more than 24 hours. This only occurs inside the polar circles. The opposite phenomenon, polar day or midnight sun, occurs when the Sun remains above the horizon for more than 24 hours... | Physical sciences | Celestial mechanics | Astronomy |
1097107 | https://en.wikipedia.org/wiki/Red%20Delicious | Red Delicious | Red Delicious is a type of apple with a red exterior and sweet taste that was first recognized in Madison County, Iowa, in 1872. Today, the name Red Delicious comprises more than 50 cultivars. It was the most produced apple cultivar in the United States from 1968 until 2018, when it was surpassed by Gala.
History
The ... | Biology and health sciences | Pomes | Plants |
1097186 | https://en.wikipedia.org/wiki/Frilled%20lizard | Frilled lizard | The frilled lizard (Chlamydosaurus kingii), also known commonly as the frilled agama, the frillneck lizard, the frill-necked lizard, and the frilled dragon, is a species of lizard in the family Agamidae. The species is native to northern Australia and southern New Guinea and is the only member of the genus Chlamydosaur... | Biology and health sciences | Iguania | Animals |
1097662 | https://en.wikipedia.org/wiki/Flood%20basalt | Flood basalt | A flood basalt (or plateau basalt) is the result of a giant volcanic eruption or series of eruptions that covers large stretches of land or the ocean floor with basalt lava. Many flood basalts have been attributed to the onset of a hotspot reaching the surface of the Earth via a mantle plume. Flood basalt provinces suc... | Physical sciences | Volcanic landforms | Earth science |
1097818 | https://en.wikipedia.org/wiki/Blue-tongued%20skink | Blue-tongued skink | Blue-tongued skinks comprise the Australasian genus Tiliqua, which contains some of the largest members of the skink family (Scincidae). They are commonly called blue-tongued lizards or simply blue-tongues or blueys in Australia or panana in Indonesia. As suggested by these common names, a prominent characteristic of t... | Biology and health sciences | Lizards and other Squamata | Animals |
1099196 | https://en.wikipedia.org/wiki/Missile%20defense | Missile defense | Missile defense is a system, weapon, or technology involved in the detection, tracking, interception, and also the destruction of attacking missiles. Conceived as a defense against nuclear-armed intercontinental ballistic missiles (ICBMs), its application has broadened to include shorter-ranged non-nuclear tactical and... | Technology | Countermeasures | null |
1099280 | https://en.wikipedia.org/wiki/Eye%20examination | Eye examination | An eye examination, commonly known as an eye test, is a series of tests performed to assess vision and ability to focus on and discern objects. It also includes other tests and examinations of the eyes. Eye examinations are primarily performed by an optometrist, ophthalmologist, or an orthoptist.
Health care profession... | Biology and health sciences | Medical procedures | null |
1099348 | https://en.wikipedia.org/wiki/Morphology%20%28biology%29 | Morphology (biology) | Morphology in biology is the study of the form and structure of organisms and their specific structural features.
This includes aspects of the outward appearance (shape, structure, color, pattern, size), i.e. external morphology (or eidonomy), as well as the form and structure of internal parts like bones and organs, ... | Biology and health sciences | Basic anatomy | Biology |
1099396 | https://en.wikipedia.org/wiki/Drug%20interaction | Drug interaction | In pharmaceutical sciences, drug interactions occur when a drug's mechanism of action is affected by the concomitant administration of substances such as foods, beverages, or other drugs. A popular example of drug–food interaction is the effect of grapefruit on the metabolism of drugs.
Interactions may occur by simul... | Biology and health sciences | General concepts_2 | Health |
1099413 | https://en.wikipedia.org/wiki/Orbital%20eccentricity | Orbital eccentricity | In astrodynamics, the orbital eccentricity of an astronomical object is a dimensionless parameter that determines the amount by which its orbit around another body deviates from a perfect circle. A value of 0 is a circular orbit, values between 0 and 1 form an elliptic orbit, 1 is a parabolic escape orbit (or capture o... | Physical sciences | Celestial mechanics | Astronomy |
9107162 | https://en.wikipedia.org/wiki/ScRGB | ScRGB | scRGB is a wide color gamut RGB color space created by Microsoft and HP that uses the same color primaries and white/black points as the sRGB color space but allows coordinates below zero and greater than one. The full range is −0.5 through just less than +7.5.
Negative numbers enables scRGB to encompass most of the C... | Physical sciences | Basics | Physics |
655358 | https://en.wikipedia.org/wiki/Standard%20time | Standard time | Standard time is the synchronization of clocks within a geographical region to a single time standard, rather than a local mean time standard. Generally, standard time agrees with the local mean time at some meridian that passes through the region, often near the centre of the region. Historically, standard time was es... | Technology | Timekeeping | null |
656713 | https://en.wikipedia.org/wiki/Beta%20Pictoris | Beta Pictoris | Beta Pictoris (abbreviated β Pictoris or β Pic) is the second brightest star in the constellation Pictor. It is located from the Solar System, and is 1.75 times as massive and 8.7 times as luminous as the Sun. The Beta Pictoris system is very young, only 20 to 26 million years old, although it is already in the main... | Physical sciences | Notable stars | Astronomy |
656951 | https://en.wikipedia.org/wiki/Women%27s%20health | Women's health | Women's health differs from that of men's health in many unique ways. Women's health is an example of population health, where health is defined by the World Health Organization (WHO) as "a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity". Often treated as sim... | Biology and health sciences | Health and fitness: General | Health |
656965 | https://en.wikipedia.org/wiki/Polymer%20chemistry | Polymer chemistry | Polymer chemistry is a sub-discipline of chemistry that focuses on the structures, chemical synthesis, and chemical and physical properties of polymers and macromolecules. The principles and methods used within polymer chemistry are also applicable through a wide range of other chemistry sub-disciplines like organic ch... | Physical sciences | Chemistry: General | null |
656979 | https://en.wikipedia.org/wiki/Environmental%20chemistry | Environmental chemistry | Environmental chemistry is the scientific study of the chemical and biochemical phenomena that occur in natural places. It should not be confused with green chemistry, which seeks to reduce potential pollution at its source. It can be defined as the study of the sources, reactions, transport, effects, and fates of chem... | Physical sciences | Chemistry: General | null |
657224 | https://en.wikipedia.org/wiki/Bedrock | Bedrock | In geology, bedrock is solid rock that lies under loose material (regolith) within the crust of Earth or another terrestrial planet.
Definition
Bedrock is the solid rock that underlies looser surface material. An exposed portion of bedrock is often called an outcrop. The various kinds of broken and weathered rock ma... | Physical sciences | Petrology | Earth science |
657938 | https://en.wikipedia.org/wiki/Viper | Viper | Vipers are snakes in the family Viperidae, found in most parts of the world, except for Antarctica, Australia, Hawaii, Madagascar, New Zealand, Ireland, and various other isolated islands. They are venomous and have long (relative to non-vipers), hinged fangs that permit deep penetration and injection of their venom. T... | Biology and health sciences | Snakes | Animals |
1672587 | https://en.wikipedia.org/wiki/Caisson%20%28engineering%29 | Caisson (engineering) | In geotechnical engineering, a caisson (; borrowed , , an augmentative of ) is a watertight retaining structure used, for example, to work on the foundations of a bridge pier, for the construction of a concrete dam, or for the repair of ships.
Caissons are constructed in such a way that the water can be pumped out, ke... | Technology | Hydraulic infrastructure | null |
1672590 | https://en.wikipedia.org/wiki/Limbers%20and%20caissons | Limbers and caissons | A limber is a two-wheeled cart designed to support the trail of an artillery piece, or the stock of a field carriage such as a caisson or traveling forge, allowing it to be towed. The trail is the hinder end of the stock of a gun-carriage, which rests or slides on the ground when the carriage is unlimbered.
A caisson ... | Technology | Artillery | null |
1673288 | https://en.wikipedia.org/wiki/Electron%20magnetic%20moment | Electron magnetic moment | In atomic physics, the electron magnetic moment, or more specifically the electron magnetic dipole moment, is the magnetic moment of an electron resulting from its intrinsic properties of spin and electric charge. The value of the electron magnetic moment (symbol μe) is In units of the Bohr magneton (μB), it is , a v... | Physical sciences | Physical constants | Physics |
1674141 | https://en.wikipedia.org/wiki/Vacancy%20defect | Vacancy defect | In crystallography, a vacancy is a type of point defect in a crystal where an atom is missing from one of the lattice sites. Crystals inherently possess imperfections, sometimes referred to as crystallographic defects.
Vacancies occur naturally in all crystalline materials. At any given temperature, up to the melting... | Physical sciences | Crystallography | Physics |
1674308 | https://en.wikipedia.org/wiki/Hydrogen%20halide | Hydrogen halide | In chemistry, hydrogen halides (hydrohalic acids when in the aqueous phase) are diatomic, inorganic compounds that function as Arrhenius acids. The formula is HX where X is one of the halogens: fluorine, chlorine, bromine, iodine, astatine, or tennessine. All known hydrogen halides are gases at standard temperature and... | Physical sciences | Hydrogen compounds | Chemistry |
72903 | https://en.wikipedia.org/wiki/Canvas | Canvas | Canvas is an extremely durable plain-woven fabric used for making sails, tents, marquees, backpacks, shelters, as a support for oil painting and for other items for which sturdiness is required, as well as in such fashion objects as handbags, electronic device cases, and shoes. It is popularly used by artists as a pain... | Technology | Fabrics and fibers | null |
72907 | https://en.wikipedia.org/wiki/Sundial | Sundial | A sundial is a horological device that tells the time of day (referred to as civil time in modern usage) when direct sunlight shines by the apparent position of the Sun in the sky. In the narrowest sense of the word, it consists of a flat plate (the dial) and a gnomon, which casts a shadow onto the dial. As the Sun app... | Technology | Timekeeping | null |
72949 | https://en.wikipedia.org/wiki/Millimetre | Millimetre | The millimetre (international spelling; SI unit symbol mm) or millimeter (American spelling) is a unit of length in the International System of Units (SI), equal to one thousandth of a metre, which is the SI base unit of length. Therefore, there are one thousand millimetres in a metre. There are ten millimetres in a ce... | Physical sciences | Metric | Basics and measurement |
72967 | https://en.wikipedia.org/wiki/Cubic%20centimetre | Cubic centimetre | A cubic centimetre (or cubic centimeter in US English) (SI unit symbol: cm3; non-SI abbreviations: cc and ccm) is a commonly used unit of volume that corresponds to the volume of a cube that measures 1 cm × 1 cm × 1 cm. One cubic centimetre corresponds to a volume of one millilitre. The mass of one cubic centimetre of... | Physical sciences | Volume | Basics and measurement |
73102 | https://en.wikipedia.org/wiki/Residue%20%28complex%20analysis%29 | Residue (complex analysis) | In mathematics, more specifically complex analysis, the residue is a complex number proportional to the contour integral of a meromorphic function along a path enclosing one of its singularities. (More generally, residues can be calculated for any function that is holomorphic except at the discrete points {ak}k, even ... | Mathematics | Complex analysis | null |
73218 | https://en.wikipedia.org/wiki/Surface%20weather%20analysis | Surface weather analysis | Surface weather analysis is a special type of weather map that provides a view of weather elements over a geographical area at a specified time based on information from ground-based weather stations.
Weather maps are created by plotting or tracing the values of relevant quantities such as sea level pressure, temperat... | Physical sciences | Meteorology: General | Earth science |
73222 | https://en.wikipedia.org/wiki/Parakeet | Parakeet | A parakeet is any one of many small- to medium-sized species of parrot, in multiple genera, that generally has long tail feathers.
Etymology and naming
The name parakeet is derived from the French word perroquet, which is reflected in some older spellings that are still sometimes encountered, including paroquet or pa... | Biology and health sciences | Psittaciformes | Animals |
73231 | https://en.wikipedia.org/wiki/Weather%20forecasting | Weather forecasting | Weather forecasting is the application of science and technology to predict the conditions of the atmosphere for a given location and time. People have attempted to predict the weather informally for millennia and formally since the 19th century.
Weather forecasts are made by collecting quantitative data about the cur... | Physical sciences | Meteorology: General | null |
73316 | https://en.wikipedia.org/wiki/Tacoma%20Narrows%20Bridge | Tacoma Narrows Bridge | The Tacoma Narrows Bridge is a pair of twin suspension bridges that span the Tacoma Narrows strait of Puget Sound in Pierce County, Washington. The bridges connect the city of Tacoma with the Kitsap Peninsula and carry State Route 16 (known as Primary State Highway 14 until 1964) over the strait. Historically, the name... | Technology | Bridges | null |
73321 | https://en.wikipedia.org/wiki/Avalanche | Avalanche | An avalanche is a rapid flow of snow down a slope, such as a hill or mountain. Avalanches can be triggered spontaneously, by factors such as increased precipitation or snowpack weakening, or by external means such as humans, other animals, and earthquakes. Primarily composed of flowing snow and air, large avalanches ha... | Physical sciences | Natural disasters | null |
73348 | https://en.wikipedia.org/wiki/Calendula | Calendula | Calendula () is a genus of about 15–20 species of annual and perennial herbaceous plants in the daisy family, Asteraceae that are often known as marigolds. They are native to Europe, North Africa, Macaronesia and West Asia, and have their center of diversity in the Mediterranean Region. Other plants known as marigolds ... | Biology and health sciences | Asterales | Plants |
73390 | https://en.wikipedia.org/wiki/Residue%20theorem | Residue theorem | In complex analysis, the residue theorem, sometimes called Cauchy's residue theorem, is a powerful tool to evaluate line integrals of analytic functions over closed curves; it can often be used to compute real integrals and infinite series as well. It generalizes the Cauchy integral theorem and Cauchy's integral formul... | Mathematics | Complex analysis | null |
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