id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
values | token_count int64 3 51.8k |
|---|---|---|---|---|---|
9,124,629 | https://en.wikipedia.org/wiki/Cognitive%20philology | Cognitive philology is the science that studies written and oral texts as the product of human mental processes. Studies in cognitive philology compare documentary evidence emerging from textual investigations with results of experimental research, especially in the fields of cognitive and ecological psychology, neuros... | Cognitive philology | Biology | 464 |
77,688,443 | https://en.wikipedia.org/wiki/Monitoring%20of%20geological%20carbon%20dioxide%20storage | Carbon dioxide (CO2) from carbon capture and storage and direct air capture operations is often injected into deep geologic formations. These storage sites can be monitored for CO2 leakage. Monitoring can be done at both the surface and subsurface levels. The dominant monitoring technique is seismic imaging, where vib... | Monitoring of geological carbon dioxide storage | Engineering | 630 |
4,692,838 | https://en.wikipedia.org/wiki/Theorem%20Proving%20System | The Theorem Proving System (TPS) is an automated theorem proving system for first-order and higher-order logic. TPS has been developed at Carnegie Mellon University. An educational version of it is known as ETPS (Educational Theorem Proving System).
External links
Theorem Proving System web page
Theorem proving so... | Theorem Proving System | Mathematics | 72 |
13,411,552 | https://en.wikipedia.org/wiki/Problem%20frames%20approach | Problem analysis or the problem frames approach is an approach to software requirements analysis. It was developed by British software consultant Michael A. Jackson in the 1990s.
History
The problem frames approach was first sketched by Jackson in his book Software Requirements & Specifications (1995) and in a number... | Problem frames approach | Engineering | 3,419 |
43,943,904 | https://en.wikipedia.org/wiki/Joseph%20Kennedy%20%28professor%29 | Joseph P. Kennedy (18 May 1928 - 21 July 2024) was a Distinguished Professor of Polymer Science and Chemistry at the University of Akron, noted particularly for inventing a polymer coating for a drug-tipped stent that is highly compatible to human tissue, and that was successfully commercialized by Boston Scientific an... | Joseph Kennedy (professor) | Chemistry,Materials_science | 560 |
34,880,278 | https://en.wikipedia.org/wiki/Separation%20process | A separation process is a method that converts a mixture or a solution of chemical substances into two or more distinct product mixtures, a scientific process of separating two or more substances in order to obtain purity. At least one product mixture from the separation is enriched in one or more of the source mixture... | Separation process | Chemistry | 1,048 |
247,167 | https://en.wikipedia.org/wiki/Pendant | A pendant is a loose-hanging piece of jewellery, generally attached by a small loop to a necklace, which may be known as a "pendant necklace". A pendant earring is an earring with a piece hanging down. Its name stems from the Latin word pendere and Old French word pendr, both of which translate to "to hang down". In m... | Pendant | Technology | 732 |
246,471 | https://en.wikipedia.org/wiki/Crab-eating%20macaque | The crab-eating macaque (Macaca fascicularis), also known as the long-tailed macaque or cynomolgus macaque, is a cercopithecine primate native to Southeast Asia. As a synanthropic species, the crab-eating macaque thrives near human settlements and in secondary forest. Crab-eating macaques have developed attributes and ... | Crab-eating macaque | Biology | 8,444 |
2,952,577 | https://en.wikipedia.org/wiki/Safety%20integrity%20level | In functional safety, safety integrity level (SIL) is defined as the relative level of risk-reduction provided by a safety instrumented function (SIF), i.e. the measurement of the performance required of the SIF.
In the functional safety standards based on the IEC 61508 standard, four SILs are defined, with SIL4 being... | Safety integrity level | Chemistry,Engineering | 1,641 |
11,407,637 | https://en.wikipedia.org/wiki/Adenocarcinoma%20in%20situ%20of%20the%20lung | Adenocarcinoma in situ (AIS) of the lung —previously included in the category of "bronchioloalveolar carcinoma" (BAC)—is a subtype of lung adenocarcinoma. It tends to arise in the distal bronchioles or alveoli and is defined by a non-invasive growth pattern. This small solitary tumor exhibits pure alveolar distribution... | Adenocarcinoma in situ of the lung | Chemistry | 1,896 |
48,139,617 | https://en.wikipedia.org/wiki/Interstellar%20Probe%20%281999%29 | Interstellar Probe is the name of a 1999 space probe concept by NASA intended to travel out 200 AU in 15 years. This 1999 study by Jet Propulsion Laboratory is noted for its circular 400-meter-diameter solar sail as a propulsion method (1 g/m2) combined with a 0.25 AU flyby of the Sun to achieve higher solar light pres... | Interstellar Probe (1999) | Astronomy | 485 |
12,737,059 | https://en.wikipedia.org/wiki/Mansfield%20and%20Sutton%20Astronomical%20Society | Mansfield and Sutton Astronomical Society (MSAS) is an amateur astronomical society in the East Midlands of England. It was formed in 1969. It is based at Sherwood Observatory, a 61 cm mirror telescope which it owns and operates. The observatory lies 4 km south west of the centre of Mansfield on one of the highest poin... | Mansfield and Sutton Astronomical Society | Astronomy | 326 |
28,037,308 | https://en.wikipedia.org/wiki/Newman%E2%80%93Kwart%20rearrangement | The Newman–Kwart rearrangement is a type of rearrangement reaction in which the aryl group of an O-aryl thiocarbamate, ArOC(=S)NMe2, migrates from the oxygen atom to the sulfur atom, forming an S-aryl thiocarbamate, ArSC(=O)NMe2. The reaction is named after its discoverers, Melvin Spencer Newman and Harold Kwart. The r... | Newman–Kwart rearrangement | Chemistry | 435 |
5,739,723 | https://en.wikipedia.org/wiki/Critical%20group | In mathematics, in the realm of group theory, a group is said to be critical if it is not in the variety generated by all its proper subquotients, which includes all its subgroups and all its quotients.
Any finite monolithic A-group is critical. This result is due to Kovacs and Newman. But not every monolithic group ... | Critical group | Mathematics | 102 |
15,559,385 | https://en.wikipedia.org/wiki/Tactile%20discrimination | Tactile discrimination is the ability to differentiate information through the sense of touch. The somatosensory system is the nervous system pathway that is responsible for this essential survival ability used in adaptation. There are various types of tactile discrimination. One of the most well known and most researc... | Tactile discrimination | Physics | 2,749 |
2,555,833 | https://en.wikipedia.org/wiki/Crypto%20API%20%28Linux%29 | Crypto API is a cryptography framework in the Linux kernel, for various parts of the kernel that deal with cryptography, such as IPsec and dm-crypt. It was introduced in kernel version 2.5.45 and has since expanded to include essentially all popular block ciphers and hash functions.
Userspace interfaces
Many platform... | Crypto API (Linux) | Mathematics | 353 |
8,930,340 | https://en.wikipedia.org/wiki/Cacls | In Microsoft Windows, cacls, and its replacement icacls, are native command-line utilities that can display and modify the security descriptors on files and folders. An access-control list is a list of permissions for securable object, such as a file or folder, that controls who can access it. The cacls command is also... | Cacls | Technology | 446 |
71,815,747 | https://en.wikipedia.org/wiki/Y%20Cygni | Y Cygni is an eclipsing and double-lined spectroscopic binary star system in the constellation of Cygnus. It is located about from Earth. The system was one of the first binaries with a convincing detection of the apsidal precession.
The two stars, being O-type main-sequence stars, orbit each other with a period of n... | Y Cygni | Astronomy | 210 |
40,084,830 | https://en.wikipedia.org/wiki/Runoff%20footprint | A runoff footprint is the total surface runoff that a site produces over the course of a year. According to the United States Environmental Protection Agency (EPA) stormwater is "rainwater and melted snow that runs off streets, lawns, and other sites". Urbanized areas with high concentrations of impervious surfaces lik... | Runoff footprint | Chemistry,Engineering,Environmental_science | 1,138 |
2,922,292 | https://en.wikipedia.org/wiki/11%20Canis%20Majoris | 11 Canis Majoris is a single star in the southern constellation of Canis Major, the eleventh entry in John Flamsteed's catalogue of stars in that constellation. It has a blue-white hue and is visible to the naked eye with an apparent visual magnitude of 5.28. The distance to this star is approximately 1,010 light years... | 11 Canis Majoris | Astronomy | 216 |
26,958,940 | https://en.wikipedia.org/wiki/Daflon | Daflon is an oral micronized purified phlebotonic flavonoid fraction containing 90% diosmin and 10% hesperidin. It is manufactured by Laboratoires Servier and often used to treat or manage disorders of the blood vessels. Flavonoids are a type of phytochemical that have been associated with various effects on human heal... | Daflon | Chemistry | 564 |
7,640,624 | https://en.wikipedia.org/wiki/Metro%20WSIT | Web Services Interoperability Technology (WSIT) is an open-source project started by Sun Microsystems to develop the next-generation of Web service technologies. It provides interoperability between Java Web Services and Microsoft's Windows Communication Foundation (WCF).
It consists of Java programming language APIs ... | Metro WSIT | Engineering | 439 |
69,233,992 | https://en.wikipedia.org/wiki/Mercedes-Benz%20M21%20engine | The Mercedes-Benz M21 engine is a naturally-aspirated, 2.0-liter, straight-6, internal combustion piston engine, designed, developed and produced by Mercedes-Benz; between 1933 and 1936.
M21 Engine
The side-valve six-cylinder engine had a capacity of 1,961 cc which produced a claimed maximum output of at 3,200 rpm. T... | Mercedes-Benz M21 engine | Technology | 272 |
958,988 | https://en.wikipedia.org/wiki/History%20of%20astrology | Astrological belief in relation between celestial observations and terrestrial events have influenced various aspects of human history, including world-views, language and many elements of culture. It has been argued that astrology began as a study as soon as human beings made conscious attempts to measure, record, and... | History of astrology | Astronomy | 6,047 |
12,337,275 | https://en.wikipedia.org/wiki/Flow-accelerated%20corrosion | Flow-accelerated corrosion (FAC), also known as flow-assisted corrosion, is a corrosion mechanism in which a normally protective oxide layer on a metal surface dissolves in a fast flowing water. The underlying metal corrodes to re-create the oxide, and thus the metal loss continues.
By definition, the rate of FAC depe... | Flow-accelerated corrosion | Chemistry,Materials_science | 354 |
1,363,716 | https://en.wikipedia.org/wiki/Allianz%20Arena | Allianz Arena (; known as Munich Football Arena for UEFA competitions) is a football stadium in Munich, Bavaria, Germany, with a 70,000 seating capacity for international matches and 75,000 for domestic matches. Widely known for its exterior of inflated ETFE plastic panels, it is the first stadium in the world with a f... | Allianz Arena | Engineering | 3,783 |
56,398,428 | https://en.wikipedia.org/wiki/List%20of%20Olmsted%20works | The landscape architecture firm of Frederick Law Olmsted, and later of his sons John Charles Olmsted and Frederick Law Olmsted Jr. (known as the Olmsted Brothers), produced designs and plans for hundreds of parks, campuses and other projects throughout the United States and Canada. Together, these works totaled 355. Th... | List of Olmsted works | Engineering | 1,913 |
21,261,020 | https://en.wikipedia.org/wiki/Mushrooms%20Demystified | Mushrooms Demystified: A Comprehensive Guide to the Fleshy Fungi is a mushroom field and identification guide by American mycologist David Arora, published in 1979 and republished in 1986. All That the Rain Promises and More…: A Hip Pocket Guide to Western Mushrooms, a “field companion” to Mushrooms Demystified with cr... | Mushrooms Demystified | Biology | 87 |
11,437,627 | https://en.wikipedia.org/wiki/Davidiella%20tassiana | Davidiella tassiana is a fungal plant pathogen infecting several hosts, including Iris barnumiae subsp. demawendica in Iran.
Infected plant species
Davidiella tassiana has a wide range of host species. These include:
Agrostis canina
Agrostis stolonifera
Anthoxanthum odoratum
Arabis petraea
Bistorta vivipara
Carex ... | Davidiella tassiana | Biology | 260 |
55,466,103 | https://en.wikipedia.org/wiki/Witching%20hour | In folklore, the witching hour or devil's hour is a time of night that is associated with supernatural events, whereby witches, demons and ghosts are thought to appear and be at their most powerful. Definitions vary, and include the hour immediately after midnight and the time between 3:00am and 4:00am. The term now ha... | Witching hour | Biology | 836 |
1,248,138 | https://en.wikipedia.org/wiki/Manhattan%20wiring | Manhattan wiring (also known as right-angle wiring) is a technique for laying out circuits in computer engineering. Inputs to a circuit (specifically, the interconnects from the inputs) are aligned into a grid, and the circuit "taps" (connects to) them perpendicularly. This may be done either virtually or physically. T... | Manhattan wiring | Engineering | 215 |
651,372 | https://en.wikipedia.org/wiki/Evaporative%20cooler | An evaporative cooler (also known as evaporative air conditioner, swamp cooler, swamp box, desert cooler and wet air cooler) is a device that cools air through the evaporation of water. Evaporative cooling differs from other air conditioning systems, which use vapor-compression or absorption refrigeration cycles. Evapo... | Evaporative cooler | Chemistry,Engineering | 8,637 |
1,977,935 | https://en.wikipedia.org/wiki/Tyan | Tyan Computer Corporation (泰安電腦科技股份有限公司; also known as Tyan Business Unit, or TBU) is a subsidiary of MiTAC International, and a manufacturer of computer motherboards, including models for both AMD and Intel processors. They develop and produce high-end server, SMP, and desktop barebones systems as well as provide desi... | Tyan | Technology | 657 |
75,254,121 | https://en.wikipedia.org/wiki/UHZ1 | UHZ1 is a background galaxy containing a quasar. At a redshift of approximately 10.1, UHZ1 is at a distance of 13.2 billion light-years, seen when our universe was about 3 percent of its current age. This redshift made it the most distant, and therefore earliest known quasar in the observable universe as of 2023. To de... | UHZ1 | Astronomy | 570 |
48,510 | https://en.wikipedia.org/wiki/Terrestrial%20planet | A terrestrial planet, tellurian planet, telluric planet, or rocky planet, is a planet that is composed primarily of silicate, rocks or metals. Within the Solar System, the terrestrial planets accepted by the IAU are the inner planets closest to the Sun: Mercury, Venus, Earth and Mars. Among astronomers who use the geop... | Terrestrial planet | Astronomy | 2,952 |
72,202,102 | https://en.wikipedia.org/wiki/DisCoCat | DisCoCat (Categorical Compositional Distributional) is a mathematical framework for natural language processing which uses category theory to unify distributional semantics with the principle of compositionality. The grammatical derivations in a categorial grammar (usually a pregroup grammar) are interpreted as linear ... | DisCoCat | Mathematics,Technology | 835 |
3,181,893 | https://en.wikipedia.org/wiki/Mantrap%20%28snare%29 | A mantrap is a mechanical physical security device for catching poachers, art thieves and other trespassers. They have taken many forms, the most usual being similar to a large foothold trap, the steel springs being armed with teeth which meet in the victim's leg. In 1827, they were made illegal in England, except in h... | Mantrap (snare) | Engineering | 236 |
64,355,593 | https://en.wikipedia.org/wiki/Sherman%20function | The Sherman function describes the dependence of electron-atom scattering events on the spin of the scattered electrons. It was first evaluated theoretically by the physicist Noah Sherman and it allows the measurement of polarization of an electron beam by Mott scattering experiments. A correct evaluation of the Sherma... | Sherman function | Physics,Chemistry,Materials_science | 949 |
446,223 | https://en.wikipedia.org/wiki/Gene%20knockdown | Gene knockdown is an experimental technique by which the expression of one or more of an organism's genes is reduced. The reduction can occur either through genetic modification or by treatment with a reagent such as a short DNA or RNA oligonucleotide that has a sequence complementary to either gene or an mRNA transcri... | Gene knockdown | Engineering,Biology | 1,276 |
42,683,170 | https://en.wikipedia.org/wiki/Play%20drive | Play drive is a philosophical concept developed by Friedrich Schiller. It is a conjoining, through contradiction, of the human experience of the infinite and finite, of freedom and time, of sense and reason, and of life and form.
The object of the play drive is the living form. In contemplation of the beautiful, it... | Play drive | Biology | 2,065 |
53,869,659 | https://en.wikipedia.org/wiki/Injection%20of%20vinylite%20and%20corrosion | Injection of vinylite and corrosion is an anatomical technique used to visualize branching and pathways of the circulatory system. It consists of filling the circulatory system of the piece with vinyl acetate and its use of corrosion technique for the removal of the superposed matter, that is, the organic matter. The t... | Injection of vinylite and corrosion | Biology | 214 |
15,068,921 | https://en.wikipedia.org/wiki/Ktetor | Ktetor () or ktitor (; ; ), meaning 'founder', is a title given in the Middle Ages to the provider of funds for construction or reconstruction of an Eastern Orthodox church or monastery, for the addition of icons, frescos, and other works of art. It was used in the Byzantine sphere. A Catholic equivalent of the term i... | Ktetor | Biology | 138 |
57,204,113 | https://en.wikipedia.org/wiki/NGC%203794 | NGC 3794, also cataloged in the New General Catalogue as NGC 3804, is a low-surface-brightness galaxy in the constellation Ursa Major. It is very far from Earth, with a distance of about . It was discovered on April 14, 1789, by the astronomer William Herschel.
References
External links
Intermediate spiral galaxi... | NGC 3794 | Astronomy | 84 |
10,498,281 | https://en.wikipedia.org/wiki/NGC%205822 | NGC 5822 is an open cluster of stars in the southern constellation of Lupus. It was discovered by English Astronomer John Herschel on July 3, 1836, and lies close to another cluster, NGC 5823, which suggests there may be a physical association.
NGC 5822 is an intermediate age cluster, estimated at around 900 million y... | NGC 5822 | Astronomy | 240 |
24,651,576 | https://en.wikipedia.org/wiki/Event%20%28relativity%29 | In relativity, an event is anything that happens that has a specific time and place in spacetime. For example, a glass breaking on the floor is an event; it occurs at a unique place and a unique time. Strictly speaking, the notion of an event is an idealization, in the sense that it specifies a definite time and place,... | Event (relativity) | Physics,Mathematics | 474 |
47,182,594 | https://en.wikipedia.org/wiki/Billion | Billion is a word for a large number, and it has two distinct definitions:
1,000,000,000, i.e. one thousand million, or (ten to the ninth power), as defined on the short scale. This is now the most common sense of the word in all varieties of English; it has long been established in American English and has since beco... | Billion | Mathematics | 828 |
22,409 | https://en.wikipedia.org/wiki/OS/2 | OS/2 is a proprietary computer operating system for x86 and PowerPC based personal computers. It was created and initially developed jointly by IBM and Microsoft, under the leadership of IBM software designer Ed Iacobucci, intended as a replacement for DOS. The first version was released in 1987. A feud between the two... | OS/2 | Technology | 8,428 |
9,977,718 | https://en.wikipedia.org/wiki/CCL9 | Chemokine (C-C motif) ligand 9 (CCL9) is a small cytokine belonging to the CC chemokine family. It is also called macrophage inflammatory protein-1 gamma (MIP-1γ), macrophage inflammatory protein-related protein-2 (MRP-2) and CCF18, that has been described in rodents. CCL9 has also been previously designated CCL10, al... | CCL9 | Chemistry | 541 |
49,044,066 | https://en.wikipedia.org/wiki/Phlebia%20radiata | Phlebia radiata, commonly known as the wrinkled crust, is a common species of crust fungus in the family Meruliaceae. It is widespread in the Northern Hemisphere. It grows as a wrinkled, orange to pinkish waxy crust on the decaying wood of coniferous and deciduous trees, in which it causes a white rot. The fungus was f... | Phlebia radiata | Biology | 336 |
69,514,974 | https://en.wikipedia.org/wiki/Mesityl%20bromide | Mesityl bromide is an organic compound with the formula (CH3)3C6H2Br. It is a derivative of mesitylene (1,3,5-trimethylbenzene) with one ring H replaced by Br. The compound is a colorless oil. It is a standard electron-rich aryl halide substrate for cross coupling reactions. With magnesium it reacts to give the Grignar... | Mesityl bromide | Chemistry | 163 |
12,291,673 | https://en.wikipedia.org/wiki/Current%20density%20imaging | Current density imaging (CDI) is an extension of magnetic resonance imaging (MRI), developed at the University of Toronto. It employs two techniques for spatially mapping electric current pathways through tissue:
LF-CDI, low-frequency CDI, the original implementation developed at the University of Toronto. In this t... | Current density imaging | Chemistry | 201 |
47,405,502 | https://en.wikipedia.org/wiki/U%20Vulpeculae | U Vulpeculae is a variable and binary star in the constellation Vulpecula.
It is a classical Cepheid variable and its apparent magnitude ranges from 6.73 to 7.54 over a precise cycle of 7.99 days. Its variable nature was discovered in 1898 at Potsdam Observatory by Gustav Müller and Paul Kempf.
In 1991 a study of rad... | U Vulpeculae | Astronomy | 187 |
61,091,295 | https://en.wikipedia.org/wiki/Baer%20function | Baer functions and , named after Karl Baer, are solutions of the Baer differential equation
which arises when separation of variables is applied to the Laplace equation in paraboloidal coordinates. The Baer functions are defined as the series solutions about which satisfy , . By substituting a power series Ansatz in... | Baer function | Mathematics | 247 |
16,977,667 | https://en.wikipedia.org/wiki/Clockkeeper | A clockkeeper, sometimes seen as clock keeper, refers to a form of employment seen prevalently during Middle Age Europe involving the tracking of time and the maintaining of clocks and other timekeeping devices. However, the practice and its appearance throughout history fluctuated in centuries following the Middle Age... | Clockkeeper | Physics,Technology,Engineering | 415 |
1,599,873 | https://en.wikipedia.org/wiki/Atrophic%20gastritis | Atrophic gastritis is a process of chronic inflammation of the gastric mucosa of the stomach, leading to a loss of gastric glandular cells and their eventual replacement by intestinal and fibrous tissues. As a result, the stomach's secretion of essential substances such as hydrochloric acid, pepsin, and intrinsic fact... | Atrophic gastritis | Biology | 852 |
36,193,702 | https://en.wikipedia.org/wiki/De%20Beghinselen%20Der%20Weeghconst | De Beghinselen der Weeghconst ( "The Principles of the Art of Weighing") is a book about statics written by the Flemish physicist Simon Stevin in Dutch. It was published in 1586 in a single volume with De Weeghdaet ( "The Act of Weighing"), De Beghinselen des Waterwichts ("The Principles of Hydrostatics") and an Anhang... | De Beghinselen Der Weeghconst | Physics | 363 |
143,320 | https://en.wikipedia.org/wiki/PCI%20Express | PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCIe or PCI-E, is a high-speed serial computer expansion bus standard, meant to replace the older PCI, PCI-X and AGP bus standards. It is the common motherboard interface for personal computers' graphics cards, capture cards, sound cards... | PCI Express | Technology | 12,596 |
28,723,663 | https://en.wikipedia.org/wiki/Corporate%20social%20media | Corporate social media is the use of social media platforms, social media communications and social media marketing techniques by and within corporations, ranging from small businesses and tiny entrepreneurial startups to mid-size businesses and huge multinational firms. Within the definition of social media, there are... | Corporate social media | Technology | 1,512 |
7,986,007 | https://en.wikipedia.org/wiki/Q-Vandermonde%20identity | In mathematics, in the field of combinatorics, the q-Vandermonde identity is a q-analogue of the Chu–Vandermonde identity. Using standard notation for q-binomial coefficients, the identity states that
The nonzero contributions to this sum come from values of j such that the q-binomial coefficients on the right side a... | Q-Vandermonde identity | Mathematics | 470 |
10,217,400 | https://en.wikipedia.org/wiki/Management%20features%20new%20to%20Windows%20Vista | Windows Vista contains a range of new technologies and features that are intended to help network administrators and power users better manage their systems. Notable changes include a complete replacement of both the Windows Setup and the Windows startup processes, completely rewritten deployment mechanisms, new diagno... | Management features new to Windows Vista | Technology | 6,376 |
7,652,984 | https://en.wikipedia.org/wiki/Suslin%20representation | In mathematics, a Suslin representation of a set of reals (more precisely, elements of Baire space) is a tree whose projection is that set of reals. More generally, a subset A of κω is λ-Suslin if there is a tree T on κ × λ such that A = p[T].
By a tree on κ × λ we mean a subset T ⊆ ⋃n<ω(κn × λn) closed under initial... | Suslin representation | Mathematics | 317 |
3,309,479 | https://en.wikipedia.org/wiki/Helioscope | A helioscope is an instrument used in observing the Sun and sunspots.
The helioscope was first used by Benedetto Castelli (1578-1643) and refined by Galileo Galilei (1564–1642). The method involves projecting an image of the sun onto a white sheet of paper suspended in a darkened room with the use of a telescope.
The... | Helioscope | Astronomy | 198 |
24,300,221 | https://en.wikipedia.org/wiki/Fluminicola%20bipolaris | Fluminicola bipolaris is a fungal species in the family Papulosaceae of the Ascomycota. It was the only known species in the genus Fluminicola until 4 more new species were found in 2017 and 2021.
References
Sordariomycetes
Fungi described in 1998
Fungus species | Fluminicola bipolaris | Biology | 63 |
26,527,624 | https://en.wikipedia.org/wiki/Hilbert%20spectroscopy | Hilbert Spectroscopy uses Hilbert transforms to analyze broad spectrum signals from gigahertz to terahertz frequency radio. One suggested use is to quickly analyze liquids inside airport passenger luggage.
References
Spectroscopy
Signal processing
Security technology | Hilbert spectroscopy | Physics,Chemistry,Astronomy,Technology,Engineering | 44 |
3,250,345 | https://en.wikipedia.org/wiki/Neurolysis | Neurolysis is the application of physical or chemical agents to a nerve in order to cause a temporary degeneration of targeted nerve fibers. When the nerve fibers degenerate, it causes an interruption in the transmission of nerve signals. In the medical field, this is most commonly and advantageously used to alleviate ... | Neurolysis | Materials_science,Engineering | 1,737 |
67,373,736 | https://en.wikipedia.org/wiki/Green%20transport%20hierarchy | The green transport hierarchy (Canada), street user hierarchy (US), sustainable transport hierarchy (Wales), urban transport hierarchy or road user hierarchy (Australia, UK) is a hierarchy of modes of passenger transport prioritising green transport. It is a concept used in transport reform groups worldwide and in poli... | Green transport hierarchy | Physics | 458 |
13,056,718 | https://en.wikipedia.org/wiki/Latamoxef | Latamoxef (or moxalactam) is an oxacephem antibiotic usually grouped with the cephalosporins. In oxacephems such as latamoxef, the sulfur atom of the cephalosporin core is replaced with an oxygen atom.
Latamoxef has been associated with prolonged bleeding time, and several cases of coagulopathy, some fatal, were repor... | Latamoxef | Chemistry | 735 |
13,214,553 | https://en.wikipedia.org/wiki/Geographic%20number | A geographic number is a telephone number, from a range of numbers in the United Kingdom National Telephone Numbering Plan, where part of its digit structure contains geographic significance used for routing calls to the physical location of the network termination point of the subscriber to whom the telephone number h... | Geographic number | Mathematics | 179 |
15,654,857 | https://en.wikipedia.org/wiki/Paradiseo | ParadisEO is an object-oriented framework dedicated to the flexible design of metaheuristics. It uses EO, a template-based, ANSI-C++ compliant computation library. ParadisEO is portable across both Windows system and sequential platforms (Unix, Linux, Mac OS X, etc.). ParadisEO is distributed under the CeCill license ... | Paradiseo | Technology | 162 |
23,294,634 | https://en.wikipedia.org/wiki/Dixyrazine | Dixyrazine, also known as dixypazin (oxalate), sold under the brand names Ansiolene, Esocalm, Esucos, Metronal, and Roscal, is a typical antipsychotic of the phenothiazine group described as a neuroleptic and antihistamine. It was first introduced in Germany in 1969. It is used as a neuroleptic, anxiolytic, and antihis... | Dixyrazine | Chemistry | 285 |
1,045,467 | https://en.wikipedia.org/wiki/Travelers%27%20diarrhea | Travelers' diarrhea (TD) is a stomach and intestinal infection. TD is defined as the passage of unformed stool (one or more by some definitions, three or more by others) while traveling. It may be accompanied by abdominal cramps, nausea, fever, headache and bloating. Occasionally dysentery may occur. Most travelers rec... | Travelers' diarrhea | Physics | 3,554 |
58,581,625 | https://en.wikipedia.org/wiki/KNDy%20neuron | Kisspeptin, neurokinin B, and dynorphin (KNDy) neurons are neurons in the hypothalamus of the brain that are central to the hormonal control of reproduction.
KNDy neurons in the hypothalamus coexpress kisspeptin, neurokinin B (NKB) and dynorphin. They are involved in the negative feedback of gonadotropin-releasing hor... | KNDy neuron | Biology | 893 |
32,925,712 | https://en.wikipedia.org/wiki/Ammonium%20nonanoate | Ammonium nonanoate is a nonsystemic, broad-spectrum contact herbicide that has no soil activity. It can be used for the suppression and control of weeds, including grasses, vines, underbrush, and annual/perennial plants, including moss, saplings, and tree suckers. Ammonium nonanoate is marketed as an aqueous solution... | Ammonium nonanoate | Chemistry,Biology | 191 |
7,656,821 | https://en.wikipedia.org/wiki/Dan-Virgil%20Voiculescu | Dan-Virgil Voiculescu (born 14 June 1949) is a Romanian professor of mathematics at the University of California, Berkeley. He has worked in single operator theory, operator K-theory and von Neumann algebras. More recently, he developed free probability theory.
Education and career
Voiculescu studied at the University... | Dan-Virgil Voiculescu | Mathematics | 341 |
68,807,012 | https://en.wikipedia.org/wiki/Protein%20aggregation%20predictors | Computational methods that use protein sequence and/ or protein structure to predict protein aggregation. The table below, shows the main features of software for prediction of protein aggregation
Table
See also
PhasAGE toolbox
Amyloid
Protein aggregation
References
Protein structure
Structural bioinformatics s... | Protein aggregation predictors | Chemistry | 63 |
945,957 | https://en.wikipedia.org/wiki/New%20Foundations | In mathematical logic, New Foundations (NF) is a non-well-founded, finitely axiomatizable set theory conceived by Willard Van Orman Quine as a simplification of the theory of types of Principia Mathematica.
Definition
The well-formed formulas of NF are the standard formulas of propositional calculus with two primiti... | New Foundations | Mathematics | 7,318 |
22,653,593 | https://en.wikipedia.org/wiki/Special%20classes%20of%20semigroups | In mathematics, a semigroup is a nonempty set together with an associative binary operation. A special class of semigroups is a class of semigroups satisfying additional properties or conditions. Thus the class of commutative semigroups consists of all those semigroups in which the binary operation satisfies the commu... | Special classes of semigroups | Mathematics | 564 |
36,263,914 | https://en.wikipedia.org/wiki/Radioplayer | Radioplayer is a radio technology platform, owned by UK radio broadcasters and operated under licence in some other countries. It operates an internet radio web tuner, a set of mobile phone apps, an in-car adaptor, and a growing range of integrations with other connected devices and platforms.
Radioplayer is operated ... | Radioplayer | Technology,Engineering | 743 |
235,893 | https://en.wikipedia.org/wiki/Submersible%20pump | A submersible pump (or electric submersible pump (ESP) is a device which has a hermetically sealed motor close-coupled to the pump body. The whole assembly is submerged in the fluid to be pumped. The main advantage of this type of pump is that it prevents pump cavitation, a problem associated with a high elevation diff... | Submersible pump | Physics,Chemistry | 1,738 |
37,644,961 | https://en.wikipedia.org/wiki/Dally%20%28gene%29 | Dally (division abnormally delayed) is the name of a gene that encodes a HS-modified-protein found in the fruit fly (Drosophila melanogaster). The protein has to be processed after being codified, and in its mature form it is composed by 626 amino acids, forming a proteoglycan rich in heparin sulfate which is anchored ... | Dally (gene) | Chemistry,Biology | 1,023 |
63,942,140 | https://en.wikipedia.org/wiki/Mechanical%20Workshops%20Wilhelm%20Albrecht | The Mechanical Workshops Wilhelm Albrecht (MWA) () were founded in 1926 by the innovator, engineer, and entrepreneur, Wilhelm Albrecht in Berlin-Tempelhof. The logo he designed became an internationally known trademark for complete device systems for image-synchronous sound recording and processing in film and televisi... | Mechanical Workshops Wilhelm Albrecht | Engineering | 1,258 |
60,924,277 | https://en.wikipedia.org/wiki/NGC%204800 | NGC 4800 is an isolated spiral galaxy in the constellation Canes Venatici, located at a distance of from the Milky Way. It was discovered by William Herschel on April 1, 1788. The morphological classification of this galaxy is SA(rs)b, indicating a spiral galaxy with no visual bar at the nucleus (SA), an incomplete ri... | NGC 4800 | Astronomy | 246 |
17,701,208 | https://en.wikipedia.org/wiki/Casopitant | Casopitant (), former tentative trade names Rezonic (U.S.) and Zunrisa (Europe), is an NK1 receptor antagonist which was undergoing research for the treatment of chemotherapy-induced nausea and vomiting. It was under development by GlaxoSmithKline. In July 2008, the company filed a marketing authorisation application w... | Casopitant | Chemistry | 181 |
2,421,084 | https://en.wikipedia.org/wiki/Isotopomer | Isotopomers or isotopic isomers are isomers which differ by isotopic substitution, and which have the same number of atoms of each isotope but in a different arrangement. For example, CH3OD and CH2DOH are two isotopomers of monodeuterated methanol.
The molecules may be either structural isomers (constitutional isomers... | Isotopomer | Physics,Chemistry | 867 |
39,819,074 | https://en.wikipedia.org/wiki/Acoustic%20droplet%20vaporization | Acoustic droplet vaporization (ADV) is the process by which superheated liquid droplets are phase-transitioned into gas bubbles by means of ultrasound. Perfluorocarbons and halocarbons are often used for the dispersed medium, which forms the core of the droplet. The surfactant, which forms a stabilizing shell around ... | Acoustic droplet vaporization | Physics,Chemistry | 172 |
14,118,993 | https://en.wikipedia.org/wiki/Adenosine%20A2A%20receptor | {{DISPLAYTITLE:Adenosine A2A receptor}}
The adenosine A2A receptor, also known as ADORA2A, is an adenosine receptor, and also denotes the human gene encoding it.
Structure
This protein is a member of the G protein-coupled receptor (GPCR) family which possess seven transmembrane alpha helices, as well as an extracell... | Adenosine A2A receptor | Chemistry | 1,720 |
21,442,391 | https://en.wikipedia.org/wiki/Effects%20of%20long-term%20benzodiazepine%20use | The effects of long-term benzodiazepine use include drug dependence as well as the possibility of adverse effects on cognitive function, physical health, and mental health. Long-term use is sometimes described as use not shorter than three months. Benzodiazepines are generally effective when used therapeutically in the... | Effects of long-term benzodiazepine use | Chemistry | 7,819 |
661,947 | https://en.wikipedia.org/wiki/Project%20A119 | Project A119, also known as A Study of Lunar Research Flights, was a top-secret plan developed in 1958 by the United States Air Force. The aim of the project was to detonate a nuclear bomb on the Moon, which would help in answering some of the mysteries in planetary astronomy and astrogeology. If the explosive device d... | Project A119 | Engineering | 2,010 |
250,714 | https://en.wikipedia.org/wiki/Kenelm%20Digby | Sir Kenelm Digby (11 July 1603 – 11 June 1665) was an English courtier and diplomat. He was also a highly reputed natural philosopher, astrologer and known as a leading Roman Catholic intellectual and Blackloist. For his versatility, he is described in John Pointer's Oxoniensis Academia (1749) as the "Magazine of all A... | Kenelm Digby | Chemistry | 2,826 |
185,263 | https://en.wikipedia.org/wiki/Haloperidol | Haloperidol, sold under the brand name Haldol among others, is a typical antipsychotic medication. Haloperidol is used in the treatment of schizophrenia, tics in Tourette syndrome, mania in bipolar disorder, delirium, agitation, acute psychosis, and hallucinations from alcohol withdrawal. It may be used by mouth or inj... | Haloperidol | Chemistry | 4,446 |
19,138,501 | https://en.wikipedia.org/wiki/Hydnellum%20caeruleum | Hydnellum caeruleum, commonly known as the blue-gray hydnellum, blue-green hydnellum, blue spine, blue tooth, or bluish tooth, is an inedible fungus found in North America, Europe, and temperate areas of Asia.
The young caps have shades of blue, gray and brown, with light blue near the margin. The stem is orange to br... | Hydnellum caeruleum | Biology | 1,394 |
5,353,485 | https://en.wikipedia.org/wiki/Thallium%20azide | Thallium azide, , is a yellow-brown crystalline solid poorly soluble in water. Although it is not nearly as sensitive to shock or friction as lead azide, it can easily be detonated by a flame or spark. It can be stored safely dry in a closed non-metallic container.
Preparation and structure
Thallium azide can be prepa... | Thallium azide | Chemistry | 188 |
42,045,837 | https://en.wikipedia.org/wiki/Le%20Bel%E2%80%93Van%20%27t%20Hoff%20rule | In organic chemistry, the Le Bel–Van 't Hoff rule states that the number of stereoisomers of an organic compound containing no internal planes of symmetry is , where represents the number of asymmetric carbon atoms. French chemist Joseph Achille Le Bel and Dutch chemist Jacobus Henricus van 't Hoff both announced this... | Le Bel–Van 't Hoff rule | Physics,Chemistry | 195 |
8,577,896 | https://en.wikipedia.org/wiki/Methane%20reformer | A methane reformer is a device based on steam reforming, autothermal reforming or partial oxidation and is a type of chemical synthesis which can produce pure hydrogen gas from methane using a catalyst. There are multiple types of reformers in development but the most common in industry are autothermal reforming (ATR) ... | Methane reformer | Chemistry,Engineering | 703 |
48,896,644 | https://en.wikipedia.org/wiki/Pipethiaden | Pipethiaden is a benzothiepin-based drug candidate that was at one time studied as a potential preventive to reduce the frequency of recurrent migraine headaches. It also has some activity as an antihistamine acting mainly at the 5-HT2A and 5HT2C receptors.
References
Abandoned drugs
5-HT2 antagonists
H1 receptor an... | Pipethiaden | Chemistry | 85 |
18,500,711 | https://en.wikipedia.org/wiki/Forensic%20developmental%20psychology | Forensic developmental psychology is a field of psychology that focuses on "children's actions and reactions in a forensic context" and "children's reports that they were victims or witnesses of a crime". Bruck and Poole (2002) first coined the term "forensic developmental psychology". Although forensic developmental p... | Forensic developmental psychology | Biology | 2,563 |
13,664,796 | https://en.wikipedia.org/wiki/Enation | Enations are scaly leaflike structures, differing from leaves in their lack of vascular tissue. They are created by some leaf diseases and occur normally on Psilotum. Enations are also found on some early plants such as Rhynia, where they are hypothesized to have aided in photosynthesis.
References
Plant morphology
... | Enation | Biology | 72 |
32,154,356 | https://en.wikipedia.org/wiki/HTC%20Merge | The HTC ADR6325, originally known as the HTC Lexikon and now known as the HTC Merge, is a device created by HTC. It is identified as a flagship phone carried by US Cellular and Alltel Wireless and came to Verizon Wireless and "C Spire Wireless" in the summer of 2011. It features an 800 MHz processor, 3.8" capacitive to... | HTC Merge | Technology | 163 |
42,079,634 | https://en.wikipedia.org/wiki/Homes%20%26%20Gardens | Homes & Gardens is a British monthly interior design and garden design magazine published by Future plc. The magazine is based in London and began circulation in 1919. It was the UK’s first home interest magazine. The magazine is marketed to a British audience.
Homes & Gardens is a magazine and website that covers int... | Homes & Gardens | Engineering | 153 |
61,519,578 | https://en.wikipedia.org/wiki/AptarGroup | AptarGroup, Inc., also known as Aptar, is a United States–based global manufacturer of consumer dispensing packaging and drug delivery devices. The group has manufacturing operations in 18 countries.
History
The company began as Werner Die & Stamping in Cary, Illinois, in 1946 and later incorporated as AptarGroup in ... | AptarGroup | Physics,Chemistry,Engineering | 796 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.