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40626873 | https://en.wikipedia.org/wiki/Technological%20determinism | Technological determinism | Technological determinism is a reductionist theory in assuming that a society's technology progresses by following its own internal logic of efficiency, while determining the development of the social structure and cultural values. The term is believed to have originated from Thorstein Veblen (1857–1929), an American s... | Technology | General | null |
42046835 | https://en.wikipedia.org/wiki/Container | Container | A container is any receptacle or enclosure for holding a product used in storage, packaging, and transportation, including shipping.
Things kept inside of a container are protected on several sides by being inside of its structure. The term is most frequently applied to devices made from materials that are durable and ... | Technology | Tools: General | null |
28412183 | https://en.wikipedia.org/wiki/Projector | Projector | A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. Most projectors create an image by shining a light through a small transparent lens, but some newer types of projectors can project the image directly, by using lasers. A virtual r... | Technology | Optical instruments | null |
45338795 | https://en.wikipedia.org/wiki/Westerhout%2040 | Westerhout 40 | Westerhout 40 or W40 (also designated Sharpless 64, Sh2-64, or RCW 174) is a star-forming region in the Milky Way located in the constellation Serpens. In this region, interstellar gas forming a diffuse nebula surrounds a cluster of several hundred new-born stars. The distance to W40 is 436 ± 9 pc (1420 ± 30 light year... | Physical sciences | Notable nebulae | Astronomy |
25190904 | https://en.wikipedia.org/wiki/Hunger%20%28physiology%29 | Hunger (physiology) | Hunger is a sensation that motivates the consumption of food. The sensation of hunger typically manifests after only a few hours without eating and is generally considered to be unpleasant. Satiety occurs between 5 and 20 minutes after eating. There are several theories about how the feeling of hunger arises. The desir... | Biology and health sciences | Health and fitness: General | Health |
33834771 | https://en.wikipedia.org/wiki/Climate%20change%20in%20Europe | Climate change in Europe | Climate change has resulted in an increase in temperature of 2.3 °C (4.14 °F) (2022) in Europe compared to pre-industrial levels. Europe is the fastest warming continent in the world. Europe's climate is getting warmer due to anthropogenic activity. According to international climate experts, global temperature rise sh... | Physical sciences | Climate change | Earth science |
36425227 | https://en.wikipedia.org/wiki/Raised%20field | Raised field | In agriculture, a raised field is a large, cultivated elevation, typically bounded by water-filled ditches, that is used to allow cultivators to control environmental factors such as moisture levels, frost damage, and flooding. Examples of raised field agriculture can be found among some Pre-Hispanic cultures of Latin ... | Technology | Buildings and infrastructure | null |
49608407 | https://en.wikipedia.org/wiki/Virtual%20reality%20headset | Virtual reality headset | A virtual reality headset (or VR headset) is a head-mounted device that uses 3D near-eye displays and positional tracking to provide a virtual reality environment for the user. VR headsets are widely used with VR video games, but they are also used in other applications, including simulators and trainers. VR headsets t... | Technology | User interface | null |
32253448 | https://en.wikipedia.org/wiki/Telluric%20iron | Telluric iron | Telluric iron, also called native iron, is iron that originated on Earth, and is found in a metallic form rather than as an ore. Telluric iron is extremely rare, with only one known major deposit in the world, located in Greenland.
Introduction
With the exception of its molten core, nearly all elemental iron on Earth ... | Physical sciences | Minerals | Earth science |
31248290 | https://en.wikipedia.org/wiki/Slab%20%28geology%29 | Slab (geology) | In geology, the slab is a significant constituent of subduction zones.
Subduction slabs drive plate tectonics by pulling along the lithosphere to which they attach in a process known as slab pull and by inducing currents in the mantle via slab suction. The slab affects the convection and evolution of the Earth's mantl... | Physical sciences | Tectonics | Earth science |
26626775 | https://en.wikipedia.org/wiki/Fig | Fig | The fig is the edible fruit of Ficus carica, a species of small shrub in the flowering plant family Moraceae, native to the Mediterranean region, together with western and southern Asia. It has been cultivated since ancient times and is now widely grown throughout the world. Ficus carica is the type species of the genu... | Biology and health sciences | Rosales | null |
26631468 | https://en.wikipedia.org/wiki/Silesauridae | Silesauridae | Silesauridae is an extinct family of Triassic dinosauriforms. It is most commonly considered to be a clade of non-dinosaur dinosauriforms, and the sister group of dinosaurs. Some studies have instead suggested that most or all silesaurids comprised an early diverging clade or a paraphyletic grade within ornithischian d... | Biology and health sciences | Other prehistoric archosaurs | Animals |
53575775 | https://en.wikipedia.org/wiki/Aggregate%20%28geology%29 | Aggregate (geology) | In geology, particularly in mineralogy and petrology, an aggregate is a mass of mineral crystals, mineraloid particles or rock particles. Examples are dolomite, which is an aggregate of crystals of the mineral dolomite, and rock gypsum, an aggregate of crystals of the mineral gypsum. Lapis lazuli is a type of rock comp... | Physical sciences | Terrestrial geology: General | Earth science |
40659364 | https://en.wikipedia.org/wiki/Arctic%20sea%20ice%20decline | Arctic sea ice decline | Sea ice in the Arctic region has declined in recent decades in area and volume due to climate change. It has been melting more in summer than it refreezes in winter. Global warming, caused by greenhouse gas forcing is responsible for the decline in Arctic sea ice. The decline of sea ice in the Arctic has been accelerat... | Physical sciences | Climate change | Earth science |
43537463 | https://en.wikipedia.org/wiki/Size | Size | Size in general is the magnitude or dimensions of a thing. More specifically, geometrical size (or spatial size) can refer to three geometrical measures: length, area, or volume. Length can be generalized to other linear dimensions (width, height, diameter, perimeter).
Size can also be measured in terms of mass, espec... | Mathematics | Three-dimensional space | null |
25211041 | https://en.wikipedia.org/wiki/Puberty | Puberty | Puberty is the process of physical changes through which a child's body matures into an adult body capable of sexual reproduction. It is initiated by hormonal signals from the brain to the gonads: the ovaries in a female, the testicles in a male. In response to the signals, the gonads produce hormones that stimulate li... | Biology and health sciences | Animal ontogeny | null |
30002195 | https://en.wikipedia.org/wiki/Soft-sediment%20deformation%20structures | Soft-sediment deformation structures | Soft-sediment deformation structures develop at deposition or shortly after, during the first stages of the sediment's consolidation. This is because the sediments need to be "liquid-like" or unsolidified for the deformation to occur. These formations have also been put into a category called water-escape structures by... | Physical sciences | Sedimentology | Earth science |
33876998 | https://en.wikipedia.org/wiki/Persian%20cat | Persian cat | The Persian cat, also known as the Persian Longhair, is a long-haired breed of cat characterised by a round face and short muzzle. The first documented ancestors of Persian cats might have been imported into Italy from Khorasan as early as around 1620, but this has not been proven. Instead, there is stronger evidence f... | Biology and health sciences | Cats | Animals |
48400112 | https://en.wikipedia.org/wiki/Accretion%20disk | Accretion disk | An accretion disk is a structure (often a circumstellar disk) formed by diffuse material in orbital motion around a massive central body. The central body is most frequently a star. Friction, uneven irradiance, magnetohydrodynamic effects, and other forces induce instabilities causing orbiting material in the disk to s... | Physical sciences | Basics_2 | Astronomy |
50762105 | https://en.wikipedia.org/wiki/Emphysema | Emphysema | Emphysema is any air-filled enlargement in the body's tissues. Most commonly emphysema refers to the permanent enlargement of air spaces (alveoli) in the lungs, and is also known as pulmonary emphysema.
Emphysema is a lower respiratory tract disease, characterised by enlarged air-filled spaces in the lungs, that can v... | Biology and health sciences | Specific diseases | Health |
46728817 | https://en.wikipedia.org/wiki/Classic%20Mac%20OS | Classic Mac OS | Mac OS (originally System Software; retronym: Classic Mac OS) is the series of operating systems developed for the Macintosh family of personal computers by Apple Computer, Inc. from 1984 to 2001, starting with System 1 and ending with Mac OS 9. The Macintosh operating system is credited with having popularized the gra... | Technology | Operating Systems | null |
26685803 | https://en.wikipedia.org/wiki/Denisovan | Denisovan | The Denisovans or Denisova hominins ( ) are an extinct species or subspecies of archaic human that ranged across Asia during the Lower and Middle Paleolithic, and lived, based on current evidence, from 285 to 25 thousand years ago. Denisovans are known from few physical remains; consequently, most of what is known abou... | Biology and health sciences | Evolution | null |
43563154 | https://en.wikipedia.org/wiki/Shared-use%20path | Shared-use path | A shared-use path, mixed-use path or multi-use pathway is a path which is "designed to accommodate the movement of pedestrians and cyclists". Examples of shared-use paths include sidewalks designated as shared-use, bridleways and rail trails. A shared-use path typically has a surface that is asphalt, concrete or firmly... | Technology | Road infrastructure | null |
48413465 | https://en.wikipedia.org/wiki/Proteoarchaeota | Proteoarchaeota | Proteoarchaeota is a proposed archaeal kingdom thought to be closely related and possibly ancestral to the Eukaryotes.
Classification
The phylogenetic relationship of this group is still under discussion. The relationship of the members is approximately as follows:
| Biology and health sciences | Archaea | Plants |
53606876 | https://en.wikipedia.org/wiki/Jeffery%E2%80%93Hamel%20flow | Jeffery–Hamel flow | In fluid dynamics Jeffery–Hamel flow is a flow created by a converging or diverging channel with a source or sink of fluid volume at the point of intersection of the two plane walls. It is named after George Barker Jeffery(1915) and Georg Hamel(1917), but it has subsequently been studied by many major scientists such a... | Physical sciences | Fluid mechanics | Physics |
33895468 | https://en.wikipedia.org/wiki/Crab%20trap | Crab trap | Crab traps are used to bait, lure, and catch crabs for commercial or recreational use. Crabbing or crab fishing is the recreational hobby and commercial occupation of fishing for crabs. Different types of traps are used depending on the type of crab being fished for, geographic location, and personal preference.
Histo... | Technology | Hunting and fishing | null |
31302683 | https://en.wikipedia.org/wiki/English%20brewery%20cask%20units | English brewery cask units | Capacities of brewery casks were formerly measured and standardised according to a specific system of English units. The system was originally based on the ale gallon of . In United Kingdom and its colonies, with the adoption of the imperial system in 1824, the units were redefined in terms of the slightly smaller impe... | Physical sciences | Measurement systems | Basics and measurement |
39379960 | https://en.wikipedia.org/wiki/De-extinction | De-extinction | De-extinction (also known as resurrection biology, or species revivalism) is the process of generating an organism that either resembles or is an extinct species. There are several ways to carry out the process of de-extinction. Cloning is the most widely proposed method, although genome editing and selective breeding ... | Technology | Biotechnology | null |
32303520 | https://en.wikipedia.org/wiki/Octasulfur | Octasulfur | Octasulfur is an inorganic substance with the chemical formula . It is an odourless and tasteless yellow solid, and is a major industrial chemical. It is the most common allotrope of sulfur and occurs widely in nature.
Nomenclature
The name octasulfur is the most commonly used for this chemical. It is systematically ... | Physical sciences | Group 16 | Chemistry |
50785023 | https://en.wikipedia.org/wiki/AI%20alignment | AI alignment | In the field of artificial intelligence (AI), AI alignment aims to steer AI systems toward a person's or group's intended goals, preferences, or ethical principles. An AI system is considered aligned if it advances the intended objectives. A misaligned AI system pursues unintended objectives.
It is often challenging f... | Technology | Artificial intelligence concepts | null |
33914934 | https://en.wikipedia.org/wiki/Vertical%20pressure%20variation | Vertical pressure variation | Vertical pressure variation is the variation in pressure as a function of elevation. Depending on the fluid in question and the context being referred to, it may also vary significantly in dimensions perpendicular to elevation as well, and these variations have relevance in the context of pressure gradient force and it... | Physical sciences | Fluid mechanics | Physics |
40712897 | https://en.wikipedia.org/wiki/Dark%20web | Dark web | The dark web is the World Wide Web content that exists on darknets (overlay networks) that use the Internet but require specific software, configurations, or authorization to access. Through the dark web, private computer networks can communicate and conduct business anonymously without divulging identifying informatio... | Technology | Internet | null |
30064130 | https://en.wikipedia.org/wiki/Fission%20%28biology%29 | Fission (biology) | Fission, in biology, is the division of a single entity into two or more parts and the regeneration of those parts to separate entities resembling the original. The object experiencing fission is usually a cell, but the term may also refer to how organisms, bodies, populations, or species split into discrete parts. The... | Biology and health sciences | Cellular division | null |
33926405 | https://en.wikipedia.org/wiki/Sediment%20gravity%20flow | Sediment gravity flow | A sediment gravity flow is one of several types of sediment transport mechanisms, of which most geologists recognize four principal processes. These flows are differentiated by their dominant sediment support mechanisms, which can be difficult to distinguish as flows can be in transition from one type to the next as th... | Physical sciences | Sedimentology | Earth science |
33936518 | https://en.wikipedia.org/wiki/Lepas%20anatifera | Lepas anatifera | Lepas anatifera, commonly known as the pelagic gooseneck barnacle or smooth gooseneck barnacle, is a species of barnacle in the family Lepadidae. These barnacles are found, often in large numbers, attached by their flexible stalks to floating timber, the hulls of ships, piers, pilings, seaweed, and various sorts of flo... | Biology and health sciences | Crustaceans | Animals |
40723560 | https://en.wikipedia.org/wiki/Geochemical%20cycle | Geochemical cycle | In Earth science, a geochemical cycle is the pathway that chemical elements undergo to be able to interact with the reservoirs of chemicals in the surface and crust of the Earth. The term "geochemical" tells us that geological and chemical factors are all included. The migration of heated and compressed chemical elemen... | Physical sciences | Geochemistry | Earth science |
49717050 | https://en.wikipedia.org/wiki/BOSS%20Great%20Wall | BOSS Great Wall | The BOSS Great Wall is a supercluster complex that was identified, using the Baryon Oscillation Spectroscopic Survey (BOSS) of the Sloan Digital Sky Survey (SDSS), in early 2016. It was discovered by a research team from several institutions, consisting of: Heidi Lietzen, Elmo Tempel, Lauri Juhan Liivamägi, Antonio Mon... | Physical sciences | Notable patches of universe | Astronomy |
45452439 | https://en.wikipedia.org/wiki/Helium%20compounds | Helium compounds | Helium is the smallest and the lightest noble gas and one of the most unreactive elements, so it was commonly considered that helium compounds cannot exist at all, or at least under normal conditions. Helium's first ionization energy of 24.57 eV is the highest of any element. Helium has a complete shell of electrons, a... | Physical sciences | Noble gas compounds | Chemistry |
52275513 | https://en.wikipedia.org/wiki/Aluminium%20triacetate | Aluminium triacetate | Aluminium triacetate, formally named aluminium acetate, is a chemical compound with composition . Under standard conditions it appears as a white, water-soluble solid that decomposes on heating at around 200 °C. The triacetate hydrolyses to a mixture of basic hydroxide / acetate salts, and multiple species co-exist i... | Physical sciences | Acetates | Chemistry |
52282223 | https://en.wikipedia.org/wiki/Monazite%20geochronology | Monazite geochronology | Monazite geochronology is a dating technique to study geological history using the mineral monazite. It is a powerful tool in studying the complex history of metamorphic rocks particularly, as well as igneous, sedimentary and hydrothermal rocks. The dating uses the radioactive processes in monazite as a clock.
The uni... | Physical sciences | Geochronology | Earth science |
32359456 | https://en.wikipedia.org/wiki/Danyang%E2%80%93Kunshan%20Grand%20Bridge | Danyang–Kunshan Grand Bridge | The Danyang–Kunshan Grand Bridge () is a viaduct on the Beijing–Shanghai High-Speed Railway. It is the longest bridge in the world.
Bridge
The bridge is located on the rail line between Shanghai and Nanjing in Jiangsu province. It is in the Yangtze River Delta, where the geography is characterized by lowland rice pa... | Technology | Bridges | null |
48471223 | https://en.wikipedia.org/wiki/Drug%20class | Drug class | A drug class is a group of medications and other compounds that share similar chemical structures, act through the same mechanism of action (i.e., binding to the same biological target), have similar modes of action, and/or are used to treat similar diseases. The FDA has long worked to classify and license new medicati... | Biology and health sciences | General concepts_2 | Health |
56630559 | https://en.wikipedia.org/wiki/Agricultural%20expansion | Agricultural expansion | Agricultural expansion describes the growth of agricultural land (arable land, pastures, etc.) especially in the 20th and 21st centuries.
The agricultural expansion is often explained as a direct consequence of the global increase in food and energy requirements due to continuing population growth (both which in turn ... | Technology | Agriculture and ecology | null |
42193218 | https://en.wikipedia.org/wiki/Human%20digestive%20system | Human digestive system | The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder). Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body. The process of... | Biology and health sciences | Human anatomy | Health |
33962325 | https://en.wikipedia.org/wiki/Markarian%20501 | Markarian 501 | Markarian 501 (or Mrk 501) is a galaxy with a spectrum extending to the highest energy gamma rays. It is a blazar or BL Lac object, which is an active galactic nucleus with a jet that is shooting towards the Earth. The object has a redshift of z = 0.034.
Mrk 501 is an extremely variable source of gamma rays, undergoin... | Physical sciences | Notable galaxies | Astronomy |
33965039 | https://en.wikipedia.org/wiki/Kepler-22b | Kepler-22b | Kepler-22b (also known by its Kepler Object of Interest designation KOI-087.01) is an exoplanet orbiting within the habitable zone of the Sun-like star Kepler-22. It is located about from Earth in the constellation of Cygnus. It was discovered by NASA's Kepler Space Telescope in December 2011 and was the first known ... | Physical sciences | Notable exoplanets | Astronomy |
46816256 | https://en.wikipedia.org/wiki/Australopithecus%20deyiremeda | Australopithecus deyiremeda | Australopithecus deyiremeda is an extinct species of australopithecine from Woranso–Mille, Afar Region, Ethiopia, about 3.5 to 3.3 million years ago during the Pliocene. Because it is known only from three partial jawbones, it is unclear if these specimens indeed represent a unique species or belong to the much better-... | Biology and health sciences | Australopithecines | Biology |
40793094 | https://en.wikipedia.org/wiki/Cryptopidae | Cryptopidae | The Cryptopidae are a family of scolopendromorph centipedes. Cryptopids are blind (lacking ocelli) and possess 21 pairs of legs. The genus Cryptops is the numerically largest in the family, comprising over 150 species worldwide.
Classification
The following genera, may be included:
Cryptops Leach, 1814
Eremops Bol... | Biology and health sciences | Myriapoda | Animals |
32402085 | https://en.wikipedia.org/wiki/Tuber%20%28fungus%29 | Tuber (fungus) | Tuber is a genus in the fungal family Tuberaceae, with estimated molecular dating to the end of the Jurassic period (156 Mya). It includes several species of truffles that are highly valued as delicacies.
New discoveries
In 2015, a new species Tuber petrophilum (close relative to Tuber melanosporum and Tuber brumale) ... | Biology and health sciences | Edible fungi | Plants |
45492650 | https://en.wikipedia.org/wiki/Pornhub | Pornhub | Pornhub is a Canadian-owned internet pornography video-sharing website, one of several owned by adult entertainment conglomerate Aylo. , Pornhub is the 16th-most-visited website in the world and the most-visited adult website.
The site allows visitors to view pornographic videos from various categories, including prof... | Technology | Multimedia | null |
39459842 | https://en.wikipedia.org/wiki/African%20village%20dog | African village dog | African village dogs are dogs found in Africa that are directly descended from an ancestral pool of indigenous dogs. African village dogs became the close companion of people in Africa, beginning in North Africa and spreading south.
Middle Eastern origins
The oldest dog remains to be found in Africa date 5,900 years b... | Biology and health sciences | Dogs | Animals |
53718600 | https://en.wikipedia.org/wiki/Rayleigh%20problem | Rayleigh problem | In fluid dynamics, Rayleigh problem also known as Stokes first problem is a problem of determining the flow created by a sudden movement of an infinitely long plate from rest, named after Lord Rayleigh and Sir George Stokes. This is considered as one of the simplest unsteady problems that have an exact solution for the... | Physical sciences | Fluid mechanics | Physics |
40798692 | https://en.wikipedia.org/wiki/Trommel%20screen | Trommel screen | A trommel screen, also known as a rotary screen, is a mechanical screening machine used to separate materials, mainly in the mineral and solid-waste processing industries. It consists of a perforated cylindrical drum that is normally elevated at an angle at the feed end. Physical size separation is achieved as the feed... | Technology | Metallurgy | null |
36591857 | https://en.wikipedia.org/wiki/Herpes%20simplex%20keratitis | Herpes simplex keratitis | Herpetic simplex keratitis is a form of keratitis caused by recurrent herpes simplex virus (HSV) infection in the cornea.
It begins with infection of epithelial cells on the surface of the eye and retrograde infection of nerves serving the cornea. Primary infection typically presents as swelling of the conjunctiva and... | Biology and health sciences | Viral diseases | Health |
38019008 | https://en.wikipedia.org/wiki/Arrowroot | Arrowroot | Arrowroot is a starch obtained from the rhizomes (rootstock) of several tropical plants, traditionally Maranta arundinacea, but also Florida arrowroot from Zamia integrifolia, and tapioca from cassava (Manihot esculenta), which is often labeled arrowroot. Polynesian arrowroot or pia (Tacca leontopetaloides), from Palaw... | Biology and health sciences | Monocots | null |
60056473 | https://en.wikipedia.org/wiki/Horsehair%20crab | Horsehair crab | The horsehair crab, Erimacrus isenbeckii (Japanese: ケガニ, kegani), is a species of crab which is found mainly in the Northwest Pacific, around the Hokkaido coast in the Sea of Okhotsk and the Western Bering Sea and is an important commercial species used in Japanese cuisine. Despite the importance of the species, biolog... | Biology and health sciences | Crabs and hermit crabs | Animals |
45515504 | https://en.wikipedia.org/wiki/Microbiome | Microbiome | A microbiome () is the community of microorganisms that can usually be found living together in any given habitat. It was defined more precisely in 1988 by Whipps et al. as "a characteristic microbial community occupying a reasonably well-defined habitat which has distinct physio-chemical properties. The term thus not ... | Biology and health sciences | Ecology | Biology |
43674427 | https://en.wikipedia.org/wiki/Regenerative%20agriculture | Regenerative agriculture | Regenerative agriculture is a conservation and rehabilitation approach to food and farming systems. It focuses on topsoil regeneration, increasing biodiversity, improving the water cycle, enhancing ecosystem services, supporting biosequestration, increasing resilience to climate change, and strengthening the health and... | Technology | Agriculture_2 | null |
53735803 | https://en.wikipedia.org/wiki/Vitamin%20B3 | Vitamin B3 | {{DISPLAYTITLE:Vitamin B3}}
Vitamin B3, colloquially referred to as niacin, is a vitamin family that includes three forms, or vitamers: niacin (nicotinic acid), nicotinamide (niacinamide), and nicotinamide riboside. All three forms of vitamin B3 are converted within the body to nicotinamide adenine dinucleotide (NAD).... | Biology and health sciences | Vitamins | Health |
40815891 | https://en.wikipedia.org/wiki/Boom%20%28navigational%20barrier%29 | Boom (navigational barrier) | A boom or a chain (also boom defence, harbour chain, river chain, chain boom, boom chain or variants) is an obstacle strung across a navigable stretch of water to control or block navigation.
In modern times they usually have civil uses, such as to prevent access to a dangerous river channel. But, especially historica... | Technology | Naval warfare | null |
40817590 | https://en.wikipedia.org/wiki/Ebola | Ebola | Ebola, also known as Ebola virus disease (EVD) and Ebola hemorrhagic fever (EHF), is a viral hemorrhagic fever in humans and other primates, caused by ebolaviruses. Symptoms typically start anywhere between two days and three weeks after infection. The first symptoms are usually fever, sore throat, muscle pain, and hea... | Biology and health sciences | Infectious disease | null |
48534772 | https://en.wikipedia.org/wiki/Penetrator%20%28aircraft%29 | Penetrator (aircraft) | A penetrator is a long-range bomber aircraft designed to intrude against and penetrate enemy defenses. The term is mostly applied to aircraft that fly at low altitude to avoid radar, a strategic counterpart to the shorter-ranged tactical interdictor designs like the TSR-2 and F-111 Aardvark. The term can be applied to ... | Technology | Military aviation | null |
60072585 | https://en.wikipedia.org/wiki/Dmanisi%20hominins | Dmanisi hominins | The Dmanisi hominins, Dmanisi people, or Dmanisi man were a population of Early Pleistocene hominins whose fossils have been recovered at Dmanisi, Georgia. The fossils and stone tools recovered at Dmanisi range in age from 1.85 to 1.77 million years old, making the Dmanisi hominins the earliest well-dated hominin fossi... | Biology and health sciences | Homo | Biology |
38046595 | https://en.wikipedia.org/wiki/Evolution%20of%20tetrapods | Evolution of tetrapods | The evolution of tetrapods began about 400 million years ago in the Devonian Period with the earliest tetrapods evolved from lobe-finned fishes. Tetrapods (under the apomorphy-based definition used on this page) are categorized as animals in the biological superclass Tetrapoda, which includes all living and extinct amp... | Biology and health sciences | Basics_4 | Biology |
46870556 | https://en.wikipedia.org/wiki/Valence%20and%20conduction%20bands | Valence and conduction bands | In solid-state physics, the valence band and conduction band are the bands closest to the Fermi level, and thus determine the electrical conductivity of the solid. In nonmetals, the valence band is the highest range of electron energies in which electrons are normally present at absolute zero temperature, while the con... | Physical sciences | Basics_2 | Physics |
32440734 | https://en.wikipedia.org/wiki/Pathogenic%20Escherichia%20coli | Pathogenic Escherichia coli | Escherichia coli ( ; commonly abbreviated E. coli) is a gram-negative, rod-shaped bacterium that is commonly found in the lower intestine of warm-blooded organisms (endotherms). Most E. coli strains are harmless, but pathogenic varieties cause serious food poisoning, septic shock, meningitis, or urinary tract infection... | Biology and health sciences | Bacterial infections | Health |
38058647 | https://en.wikipedia.org/wiki/Origin%20of%20the%20Moon | Origin of the Moon | The origin of the Moon is usually explained by a Mars-sized body striking the Earth, creating a debris ring that eventually collected into a single natural satellite, the Moon, but there are a number of variations on this giant-impact hypothesis, as well as alternative explanations, and research continues into how the ... | Physical sciences | Solar System | Astronomy |
49905070 | https://en.wikipedia.org/wiki/Radioactive%20source | Radioactive source | A radioactive source is a known quantity of a radionuclide which emits ionizing radiation, typically one or more of the radiation types gamma rays, alpha particles, beta particles, and neutron radiation.
Sources can be used for irradiation, where the radiation performs a significant ionising function on a target mater... | Physical sciences | Nuclear physics | Physics |
53769380 | https://en.wikipedia.org/wiki/Webbed%20foot | Webbed foot | The webbed foot is a specialized limb with interdigital membranes (webbings) that aids in aquatic locomotion, present in a variety of tetrapod vertebrates. This adaptation is primarily found in semiaquatic species, and has convergently evolved many times across vertebrate taxa.
It likely arose from mutations in deve... | Biology and health sciences | External anatomy and regions of the body | Biology |
36645032 | https://en.wikipedia.org/wiki/Curiosity%20%28rover%29 | Curiosity (rover) | Curiosity is a car-sized Mars rover exploring Gale crater and Mount Sharp on Mars as part of NASA's Mars Science Laboratory (MSL) mission. Curiosity was launched from Cape Canaveral (CCAFS) on November 26, 2011, at 15:02:00 UTC and landed on Aeolis Palus inside Gale crater on Mars on August 6, 2012, 05:17:57 UTC. The B... | Technology | Rovers | null |
60117345 | https://en.wikipedia.org/wiki/Taylor%E2%80%93Culick%20flow | Taylor–Culick flow | In fluid dynamics, Taylor–Culick flow describes the axisymmetric flow inside a long slender cylinder with one end closed, supplied by a constant flow injection through the sidewall. The flow is named after Geoffrey Ingram Taylor and F. E. C. Culick. In 1956, Taylor showed that when a fluid forced into porous sheet of c... | Physical sciences | Fluid mechanics | Physics |
36660129 | https://en.wikipedia.org/wiki/Lifting%20equipment | Lifting equipment | Lifting equipment, also known as lifting gear, is a general term for any equipment that can be used to lift and lower loads. Types of lifting equipment include heavy machinery such as the patient lift, overhead cranes, forklifts, jacks, building cradles, and passenger lifts, and can also include smaller accessories suc... | Technology | Tools | null |
32472154 | https://en.wikipedia.org/wiki/Deep%20learning | Deep learning | Deep learning is a subset of machine learning that focuses on utilizing neural networks to perform tasks such as classification, regression, and representation learning. The field takes inspiration from biological neuroscience and is centered around stacking artificial neurons into layers and "training" them to process... | Technology | Artificial intelligence concepts | null |
45578566 | https://en.wikipedia.org/wiki/Vulkan | Vulkan | Vulkan is a low-level, low-overhead cross-platform API and open standard for 3D graphics and computing. It was intended to address the shortcomings of OpenGL, and allow developers more control over the GPU. It is designed to support a wide variety of GPUs, CPUs and operating systems, and it is also designed to work wit... | Technology | Software development: General | null |
46905624 | https://en.wikipedia.org/wiki/Climate%20change%20in%20Antarctica | Climate change in Antarctica | Climate change caused by greenhouse gas emissions from human activities occurs everywhere on Earth, and while Antarctica is less vulnerable to it than any other continent, climate change in Antarctica has been observed. Since 1959, there has been an average temperature increase of >0.05 °C/decade since 1957 across the ... | Physical sciences | Climate change | Earth science |
36672320 | https://en.wikipedia.org/wiki/G-Cloud | G-Cloud | The Galactic cloud, G cloud, G-Cloud or G-Cloud complex, is an interstellar cloud located next to the Local Interstellar Cloud, within the Local Bubble. It is unknown whether the Solar System is embedded in the Local Interstellar Cloud or in the region where the two clouds are interacting, although the Solar System is... | Physical sciences | Notable patches of universe | Astronomy |
48593539 | https://en.wikipedia.org/wiki/Seasonal%20tropical%20forest | Seasonal tropical forest | Seasonal tropical forest, also known as moist deciduous, semi-evergreen seasonal, tropical mixed or monsoon forest, typically contains a range of tree species: only some of which drop some or all of their leaves during the dry season. This tropical forest is classified under the Walter system as (i) tropical climate wi... | Physical sciences | Forests | Earth science |
36674345 | https://en.wikipedia.org/wiki/Information%20technology | Information technology | Information technology (IT) is a set of related fields that encompass computer systems, software, programming languages, data and information processing, and storage. IT forms part of information and communications technology (ICT). An information technology system (IT system) is generally an information system, a comm... | Technology | Basics_3 | null |
36675611 | https://en.wikipedia.org/wiki/Taxonomy | Taxonomy | Taxonomy is a practice and science concerned with classification or categorization. Typically, there are two parts to it: the development of an underlying scheme of classes (a taxonomy) and the allocation of things to the classes (classification).
Originally, taxonomy referred only to the classification of organisms o... | Physical sciences | Science basics | Basics and measurement |
43733503 | https://en.wikipedia.org/wiki/Laniakea%20Supercluster | Laniakea Supercluster | The Laniakea Supercluster (; Hawaiian for "open skies" or "immense heaven") or the Local Supercluster (LSC or LS) is the galaxy supercluster that is home to the Milky Way and approximately 100,000 other nearby galaxies.
It was defined in September 2014, when a group of astronomers including R. Brent Tully of the Unive... | Physical sciences | Notable galaxy clusters | Astronomy |
32501050 | https://en.wikipedia.org/wiki/Local%20Sheet | Local Sheet | The Local Sheet in astronomy is a nearby extragalactic region of space where the Milky Way, the members of the Local Group and other galaxies share a similar peculiar velocity. This region lies within a radius of about , thick, and galaxies beyond that distance show markedly different velocities. The Local Group has o... | Physical sciences | Notable galaxy clusters | Astronomy |
36687154 | https://en.wikipedia.org/wiki/Estimation | Estimation | Estimation (or estimating) is the process of finding an estimate or approximation, which is a value that is usable for some purpose even if input data may be incomplete, uncertain, or unstable. The value is nonetheless usable because it is derived from the best information available. Typically, estimation involves "usi... | Mathematics | Basics | null |
36694809 | https://en.wikipedia.org/wiki/Sojourner%20%28rover%29 | Sojourner (rover) | The robotic Sojourner rover reached Mars on July 4, 1997 as part of the Mars Pathfinder mission. Sojourner was operational on Mars for 92 sols (95 Earth days), and was the first wheeled vehicle to operate on an astronomical object other than the Earth or Moon. The landing site was in the Ares Vallis channel in the Chry... | Technology | Rovers | null |
48609118 | https://en.wikipedia.org/wiki/Circumstellar%20disc | Circumstellar disc | A circumstellar disc (or circumstellar disk) is a torus, pancake or ring-shaped accretion disk of matter composed of gas, dust, planetesimals, asteroids, or collision fragments in orbit around a star. Around the youngest stars, they are the reservoirs of material out of which planets may form. Around mature stars, they... | Physical sciences | Stellar astronomy | Astronomy |
53830256 | https://en.wikipedia.org/wiki/Methane%20emissions | Methane emissions | Increasing methane emissions are a major contributor to the rising concentration of greenhouse gases in Earth's atmosphere, and are responsible for up to one-third of near-term global heating. During 2019, about 60% (360 million tons) of methane released globally was from human activities, while natural sources contrib... | Physical sciences | Climate change | Earth science |
49980572 | https://en.wikipedia.org/wiki/Antarctic%20fishes | Antarctic fishes | Antarctic fish is a common name for a variety of fish that inhabit the Southern Ocean. There are relatively few families in this region, the most species-rich being the Liparidae (snailfishes), followed by Nototheniidae (cod icefishes). The latter is one of eight different families that belong to the suborder Nototheni... | Biology and health sciences | Acanthomorpha | Animals |
51001497 | https://en.wikipedia.org/wiki/Rec.%202100 | Rec. 2100 | ITU-R Recommendation BT.2100, more commonly known by the abbreviations Rec. 2100 or BT.2100, introduced high-dynamic-range television (HDR-TV) by recommending the use of the perceptual quantizer (PQ [SMPTE ST 2084]) or hybrid log–gamma (HLG) transfer functions instead of the traditional "gamma" previously used for SDR-... | Physical sciences | Basics | Physics |
51011436 | https://en.wikipedia.org/wiki/Aphelida | Aphelida | Aphelida is a phylum of Fungi that appears to be the sister to true fungi.
Taxonomy
Phylum Aphelidiomycota Tedersoo 2018 [Aphelida Karpov, Aleoshin & Mikhailov 2014]
Class Aphelidiomycetes Tedersoo 2018 [Aphelidea Gromov 2000]
Order Aphelidiales Tedersoo et al. 2018 [Aphelidida Gromov 2000 non Cavalier-Smith 2012]
... | Biology and health sciences | Basics | Plants |
39577606 | https://en.wikipedia.org/wiki/SN%201972E | SN 1972E | SN 1972E was a supernova in the galaxy NGC 5253 that was discovered 13 May 1972 with an apparent B magnitude of about 8.5, shortly after it had reached its maximum brightness. In terms of apparent brightness, it was the second-brightest supernova of any kind (fainter only than SN 1987A) of the 20th century. It was ob... | Physical sciences | Notable transient events | Astronomy |
39580830 | https://en.wikipedia.org/wiki/Symmetry%20in%20quantum%20mechanics | Symmetry in quantum mechanics | Symmetries in quantum mechanics describe features of spacetime and particles which are unchanged under some transformation, in the context of quantum mechanics, relativistic quantum mechanics and quantum field theory, and with applications in the mathematical formulation of the standard model and condensed matter physi... | Physical sciences | Quantum mechanics | Physics |
50007204 | https://en.wikipedia.org/wiki/Unbiunium | Unbiunium | Unbiunium, also known as eka-actinium or element 121, is a hypothetical chemical element; it has symbol Ubu and atomic number 121. Unbiunium and Ubu are the temporary systematic IUPAC name and symbol respectively, which are used until the element is discovered, confirmed, and a permanent name is decided upon. In the pe... | Physical sciences | Periods | Chemistry |
32544339 | https://en.wikipedia.org/wiki/Fracking | Fracking | Hydraulic fracturing is a well stimulation technique involving the fracturing of formations in bedrock by a pressurized liquid. The process involves the high-pressure injection of "fracking fluid" (primarily water, containing sand or other proppants suspended with the aid of thickening agents) into a wellbore to create... | Technology | Fuel | null |
42354952 | https://en.wikipedia.org/wiki/Tamisiocarididae | Tamisiocarididae | Tamisiocarididae is a family of radiodonts, extinct marine animals related to arthropods, that bore finely-spined appendages that were presumably used in filter-feeding. When first discovered, the clade was named Cetiocaridae after a speculative evolution artwork, Bearded Ceticaris by John Meszaros, that depicted a hyp... | Biology and health sciences | Fossil arthropods | Animals |
42366612 | https://en.wikipedia.org/wiki/Rainbow%20matching | Rainbow matching | In the mathematical discipline of graph theory, a rainbow matching in an edge-colored graph is a matching in which all the edges have distinct colors.
Definition
Given an edge-colored graph , a rainbow matching in is a set of pairwise non-adjacent edges, that is, no two edges share a common vertex, such that all the... | Mathematics | Graph theory | null |
38155804 | https://en.wikipedia.org/wiki/Arenicola | Arenicola | Arenicola, also known as sandworms, is a genus of capitellid annelid worms comprising the lugworms and black lugs.
Species
The following species are recognised in the genus Arenicola:
Arenicola brasiliensis Nonato, 1958
Arenicola cristata Stimpson, 1856
Arenicola defodiens Cadman & Nelson-Smith, 1993
Arenicola gla... | Biology and health sciences | Lophotrochozoa | Animals |
36740699 | https://en.wikipedia.org/wiki/Position%20and%20momentum%20spaces | Position and momentum spaces | In physics and geometry, there are two closely related vector spaces, usually three-dimensional but in general of any finite dimension.
Position space (also real space or coordinate space) is the set of all position vectors r in Euclidean space, and has dimensions of length; a position vector defines a point in space. ... | Physical sciences | Quantum mechanics | Physics |
43801098 | https://en.wikipedia.org/wiki/Euharamiyida | Euharamiyida | Euharamiyida also known as Eleutherodontida, is clade of early mammals or mammal-like cynodonts from the Middle Jurassic to Early Cretaceous of Eurasia and possibly North America. The group is sometimes considered a sister group to Multituberculata, or part of an earlier divergence within the synapsid line. It is dispu... | Biology and health sciences | Stem-mammals | Animals |
50054690 | https://en.wikipedia.org/wiki/Vacuum%20drying | Vacuum drying | Vacuum drying is the mass transfer operation in which the moisture present in a substance, usually a wet solid, is removed by means of creating a vacuum.
In chemical processing industries like food processing, pharmacology, agriculture, and textiles, drying is an essential unit operation to remove moisture. Vacuum dr... | Physical sciences | Phase separations | Chemistry |
32582674 | https://en.wikipedia.org/wiki/Heterocongrinae | Heterocongrinae | The garden eels are the subfamily Heterocongrinae in the conger eel family Congridae. The majority of the 36 known species of garden eels live in the Indo-Pacific, but can be found in warm ocean water worldwide. These small eels live in burrows on the sea floor and get their name from the behavior of poking their heads... | Biology and health sciences | Anguilliformes | Animals |
42392462 | https://en.wikipedia.org/wiki/Chasles%27%20theorem%20%28kinematics%29 | Chasles' theorem (kinematics) | In kinematics, Chasles' theorem, or Mozzi–Chasles' theorem, says that the most general rigid body displacement can be produced by a screw displacement. A direct Euclidean isometry in three dimensions involves a translation and a rotation. The screw displacement representation of the isometry decomposes the translation ... | Physical sciences | Basics_4 | Physics |
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