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 |
|---|---|---|---|---|---|
8,726,659 | https://en.wikipedia.org/wiki/Structural%20Engineering%20exam | The Structural Engineering exam is a written examination given by state licensing boards in the United States as part of the testing for licensing structural engineers. This exam is written by the National Council of Examiners for Engineering and Surveying. It is given in eight-hour segments over two days, with the f... | Structural Engineering exam | Engineering | 109 |
62,141,894 | https://en.wikipedia.org/wiki/Truthful%20cake-cutting | Truthful cake-cutting is the study of algorithms for fair cake-cutting that are also truthful mechanisms, i.e., they incentivize the participants to reveal their true valuations to the various parts of the cake.
The classic divide and choose procedure for cake-cutting is not truthful: if the cutter knows the chooser's... | Truthful cake-cutting | Mathematics | 3,693 |
5,205,992 | https://en.wikipedia.org/wiki/Simiispumavirus%20pantrosch | Simian foamy virus (SFV), historically Human foamy virus (HFV), is a species of the genus Spumavirus that belongs to the family of Retroviridae. It has been identified in a wide variety of primates, including prosimians, New World and Old World monkeys, as well as apes, and each species has been shown to harbor a uniqu... | Simiispumavirus pantrosch | Biology | 4,500 |
12,769,013 | https://en.wikipedia.org/wiki/Permissive%20dialing | In North America, permissive dialing is the ability to make phone calls in an area subject to a newly introduced area code by using both the new and preexisting dialing methods.
When an area is given a new area code under a split plan, the area's previous area code would no longer be valid for calls in the area, so ca... | Permissive dialing | Mathematics | 260 |
1,631,010 | https://en.wikipedia.org/wiki/Risk-adjusted%20return%20on%20capital | Risk-adjusted return on capital (RAROC) is a risk-based profitability measurement framework for analysing risk-adjusted financial performance and providing a consistent view of profitability across businesses. The concept was developed by Bankers Trust and principal designer Dan Borge in the late 1970s. Note, however, ... | Risk-adjusted return on capital | Mathematics | 622 |
5,737,035 | https://en.wikipedia.org/wiki/Chordin | Chordin (from Greek χορδή, string, catgut) is a protein with a prominent role in dorsal–ventral patterning during early embryonic development. In humans it is encoded for by the CHRD gene.
History
Chordin was originally identified in the African clawed frog (Xenopus laevis) in the laboratory of Edward M. De Robertis... | Chordin | Chemistry | 1,076 |
53,124,143 | https://en.wikipedia.org/wiki/Bang%27s%20theorem%20on%20tetrahedra | In geometry, Bang's theorem on tetrahedra states that, if a sphere is inscribed within a tetrahedron, and segments are drawn from the points of tangency to each vertex on the same face of the tetrahedron, then all four points of tangency have the same triple of angles. In particular, it follows that the 12 triangles in... | Bang's theorem on tetrahedra | Physics,Mathematics | 134 |
529,891 | https://en.wikipedia.org/wiki/Ventilation%20%28architecture%29 | Ventilation is the intentional introduction of outdoor air into a space. Ventilation is mainly used to control indoor air quality by diluting and displacing indoor pollutants; it can also be used to control indoor temperature, humidity, and air motion to benefit thermal comfort, satisfaction with other aspects of the i... | Ventilation (architecture) | Chemistry,Engineering | 6,179 |
24,457,748 | https://en.wikipedia.org/wiki/Central%20Sava%20Statistical%20Region | The Central Sava Statistical Region () is a statistical region in Slovenia. This statistical region in the Sava Hills is the smallest region in the country in terms of both area and population. In early-2010 almost 41,700 people lived on 264 km2, meaning that together with the Central Slovenia Statistical Region it is ... | Central Sava Statistical Region | Mathematics | 454 |
57,117,046 | https://en.wikipedia.org/wiki/NGC%204918 | NGC 4918 is a spiral galaxy in the constellation Virgo. The object was discovered in 1886 by the American astronomer Francis Preserved Leavenworth.
References
Notes
Unbarred spiral galaxies
Virgo (constellation)
4918
044934 | NGC 4918 | Astronomy | 48 |
51,388,505 | https://en.wikipedia.org/wiki/Community%20respiration | Community respiration (CR) refers to the total amount of carbon-dioxide that is produced by individuals organisms in a given
community, originating from the cellular respiration of organic material. CR is an important ecological index as it dictates the amount
of production for the higher trophic levels and influence b... | Community respiration | Biology | 754 |
865,142 | https://en.wikipedia.org/wiki/Hydrozincite | Hydrozincite, also known as zinc bloom or marionite, is a white carbonate mineral consisting of Zn5(CO3)2(OH)6. It is usually found in massive rather than crystalline form.
It occurs as an oxidation product of zinc ores and as post mine incrustations. It occurs associated with smithsonite, hemimorphite, willemite, cer... | Hydrozincite | Chemistry | 154 |
46,349,305 | https://en.wikipedia.org/wiki/Protein%20methylation | Protein methylation is a type of post-translational modification featuring the addition of methyl groups to proteins. It can occur on the nitrogen-containing side-chains of arginine and lysine, but also at the amino- and carboxy-termini of a number of different proteins. In biology, methyltransferases catalyze the meth... | Protein methylation | Chemistry | 2,471 |
2,035,678 | https://en.wikipedia.org/wiki/Gibbs%27%20inequality | In information theory, Gibbs' inequality is a statement about the information entropy of a discrete probability distribution. Several other bounds on the entropy of probability distributions are derived from Gibbs' inequality, including Fano's inequality.
It was first presented by J. Willard Gibbs in the 19th century.
... | Gibbs' inequality | Mathematics,Technology,Engineering | 650 |
29,194,266 | https://en.wikipedia.org/wiki/Fort%20du%20T%C3%A9l%C3%A9graphe | The Fort du Télégraphe, or Fort Berwick, is located in the Maurienne valley on the road to the Col du Galibier between Valloire and Saint-Michel-de-Maurienne, at the Col du Télégraphe, dominating the valley of the Arc. The location at an altitude of previously accommodated a telegraph of the Chappe system using articu... | Fort du Télégraphe | Engineering | 463 |
62,296,023 | https://en.wikipedia.org/wiki/Decamethylzirconocene%20dichloride | Decamethylzirconocene dichloride is an organozirconium compound with the formula Cp*2ZrCl2 (where Cp* is C5(CH3)5, derived from pentamethylcyclopentadiene). It is a pale yellow, moisture sensitive solid that is soluble in nonpolar organic solvents. The complex has been the subject of extensive research. It is a prec... | Decamethylzirconocene dichloride | Chemistry | 170 |
43,471,536 | https://en.wikipedia.org/wiki/Prime%20avoidance%20lemma | In algebra, the prime avoidance lemma says that if an ideal I in a commutative ring R is contained in a union of finitely many prime ideals Pi's, then it is contained in Pi for some i.
There are many variations of the lemma (cf. Hochster); for example, if the ring R contains an infinite field or a finite field of suff... | Prime avoidance lemma | Mathematics | 653 |
20,167,416 | https://en.wikipedia.org/wiki/Bombardment%20of%20Papeete | The Bombardment of Papeete occurred in French Polynesia when German warships attacked on 22 September 1914, during World War I. The German armoured cruisers and entered the port of Papeete on the island of Tahiti and sank the French gunboat and freighter Walküre before bombarding the town's fortifications. French sh... | Bombardment of Papeete | Chemistry | 2,125 |
61,646,222 | https://en.wikipedia.org/wiki/Journal%20of%20Modern%20Dynamics | The Journal of Modern Dynamics is a peer-reviewed scientific journal of mathematics published by the American Institute of Mathematical Sciences with the support of the Anatole Katok Center for Dynamical Systems and Geometry (Pennsylvania State University). The editor-in-chief is Giovanni Forni (University of Maryland ... | Journal of Modern Dynamics | Mathematics | 256 |
50,448,673 | https://en.wikipedia.org/wiki/Levinson%27s%20theorem | Levinson's theorem is an important theorem of scattering theory. In non-relativistic quantum mechanics, it relates the number of bound states in channels with a definite orbital momentum to the difference in phase of a scattered wave at infinite and zero momenta. It was published by Norman Levinson in 1949.
The theore... | Levinson's theorem | Physics,Mathematics | 583 |
12,295,288 | https://en.wikipedia.org/wiki/Hampson%E2%80%93Linde%20cycle | The Hampson–Linde cycle is a process for the liquefaction of gases, especially for air separation. William Hampson and Carl von Linde independently filed for patents of the cycle in 1895: Hampson on 23 May 1895 and Linde on 5 June 1895.
The Hampson–Linde cycle introduced regenerative cooling, a positive-feedback cooli... | Hampson–Linde cycle | Physics,Chemistry | 541 |
23,774,111 | https://en.wikipedia.org/wiki/C3H6S | {{DISPLAYTITLE:C3H6S}}
The molecular formula C3H6S (molar mass: 74.14 g/mol, exact mass: 74.0190 u) may refer to:
Allyl mercaptan (AM)
Thietane
Thioacetone | C3H6S | Chemistry | 65 |
14,879,596 | https://en.wikipedia.org/wiki/CPLX1 | Complexin-1 is a protein that in humans is encoded by the CPLX1 gene.
Function
Proteins encoded by the complexin/synaphin gene family are cytosolic proteins that function in synaptic vesicle exocytosis. These proteins bind syntaxin, part of the SNAP receptor. The protein product of this gene binds to the SNAP rece... | CPLX1 | Chemistry | 112 |
52,207,873 | https://en.wikipedia.org/wiki/Buzi%20%28fortification%29 | Buzi are small forts built along the northern frontier of China. They are prevalent in the Loess Plateau of Shaanxi, Gansu and Ningxia provinces, usually square or oval (as hill forts) and built out of rammed earth walls.
Geography
The forts are built on hilltops, at strategic locations or within villages. They were ... | Buzi (fortification) | Engineering | 361 |
40,048,943 | https://en.wikipedia.org/wiki/Geoffrey%20G.%20Parker | Geoffrey G Parker is a scholar whose work focuses on distributed innovation, energy markets, and the economics of information. He co-developed the theory of two-sided markets with Marshall Van Alstyne.
His current research includes studies of platform business strategy, data governance, and technical/economic systems ... | Geoffrey G. Parker | Technology | 1,091 |
1,456,984 | https://en.wikipedia.org/wiki/Organic%20synthesis | Organic synthesis is a branch of chemical synthesis concerned with the construction of organic compounds. Organic compounds are molecules consisting of combinations of covalently-linked hydrogen, carbon, oxygen, and nitrogen atoms. Within the general subject of organic synthesis, there are many different types of synt... | Organic synthesis | Chemistry | 2,181 |
3,654,070 | https://en.wikipedia.org/wiki/Hazen%E2%80%93Williams%20equation | The Hazen–Williams equation is an empirical relationship that relates the flow of water in a pipe with the physical properties of the pipe and the pressure drop caused by friction. It is used in the design of water pipe systems such as fire sprinkler systems, water supply networks, and irrigation systems. It is named a... | Hazen–Williams equation | Physics,Chemistry,Engineering | 1,243 |
105,836 | https://en.wikipedia.org/wiki/Oncotic%20pressure | Oncotic pressure, or colloid osmotic-pressure, is a type of osmotic pressure induced by the plasma proteins, notably albumin, in a blood vessel's plasma (or any other body fluid such as blood and lymph) that causes a pull on fluid back into the capillary.
It has an effect opposing both the hydrostatic blood pressure, ... | Oncotic pressure | Biology | 1,068 |
45,355,856 | https://en.wikipedia.org/wiki/List%20of%20F4%20polytopes | {{DISPLAYTITLE:List of F4 polytopes}}
In 4-dimensional geometry, there are 9 uniform 4-polytopes with F4 symmetry, and one chiral half symmetry, the snub 24-cell. There is one self-dual regular form, the 24-cell with 24 vertices.
Visualization
Each can be visualized as symmetric orthographic projections in Coxeter p... | List of F4 polytopes | Physics | 616 |
18,573,838 | https://en.wikipedia.org/wiki/New%20York%20Studio%20and%20Forum%20of%20Stage%20Design | The Studio and Forum of Stage Design was an American training school for theatre designers that was started by scenic designer Lester Polakov in 1958 in the Greenwich Village neighborhood of the Manhattan borough of New York City, New York.
History
Polakov was born in Chicago, Illinois, in 1916 and studied in New York... | New York Studio and Forum of Stage Design | Engineering | 563 |
48,657,291 | https://en.wikipedia.org/wiki/Loenhout | Loenhout is a village and deelgemeente (sub-municipality) of the municipality of Wuustwezel in the province of Antwerp, Belgium. The village is located near the Dutch border, and about north-east of the city of Antwerp.
History
The area around Loenhout used to contain two heerlijkheden under the same Lord, but one w... | Loenhout | Chemistry | 1,224 |
12,353,466 | https://en.wikipedia.org/wiki/Gadd45 | The Growth Arrest and DNA Damage or gadd45 genes, including GADD45A (originally termed gadd45) GADD45B (originally termed MyD118), and GADD45G (originally termed CR6), are implicated as stress sensors that modulate the response of mammalian cells to genotoxic/physiological stress, and modulate tumor formation. Gadd45 p... | Gadd45 | Chemistry,Biology | 339 |
66,979,123 | https://en.wikipedia.org/wiki/WiFi%20Sensing | Wi-Fi Sensing (also referred to as WLAN Sensing) is a technology that uses existing Wi-Fi signals for the purpose of detecting events or changes such as motion, gesture recognition, and biometric measurement (e.g. breathing). Wi-Fi Sensing allows for the utilization of conventional Wi-Fi transceiver hardware and Radi... | WiFi Sensing | Technology | 1,966 |
19,634,105 | https://en.wikipedia.org/wiki/JANOG | JANOG is the Internet network operators' group for the Japanese Internet service provider (ISP) community. It was originally established in 1997.
JANOG holds regular meetings for the ISP community, with hundreds of attendees. Although JANOG has no formal budget of its own, it draws on the resources of its member compa... | JANOG | Technology,Engineering | 107 |
3,293,594 | https://en.wikipedia.org/wiki/Decimal%20representation | A decimal representation of a non-negative real number is its expression as a sequence of symbols consisting of decimal digits traditionally written with a single separator:
Here is the decimal separator, is a nonnegative integer, and are digits, which are symbols representing integers in the range 0, ..., 9.
Co... | Decimal representation | Mathematics | 1,161 |
35,136,449 | https://en.wikipedia.org/wiki/Lactofuchsin%20mount | A Lactofuchsin mount (also spelled Lacto-fuchsin or Lacto-Fuchsin) is a technique used for mounting fungi with hyphae on a microscope slide for examination. The main advantage of a lactofuchsin mount is that if performed correctly, it preserves the structure and arrangement of any hyphae that are present.
Advantages
... | Lactofuchsin mount | Chemistry,Biology | 279 |
2,526,931 | https://en.wikipedia.org/wiki/Isotopes%20of%20terbium | Naturally occurring terbium (65Tb) is composed of one stable isotope, 159Tb. Thirty-seven radioisotopes have been characterized, with the most stable being 158Tb with a half-life of 180 years, 157Tb with a half-life of 71 years, and 160Tb with a half-life of 72.3 days. All of the remaining radioactive isotopes have hal... | Isotopes of terbium | Chemistry | 5,725 |
6,453,717 | https://en.wikipedia.org/wiki/Air%20source%20heat%20pump | An air source heat pump (ASHP) is a heat pump that can absorb heat from air outside a building and release it inside; it uses the same vapor-compression refrigeration process and much the same equipment as an air conditioner, but in the opposite direction. ASHPs are the most common type of heat pump and, usually being... | Air source heat pump | Engineering,Environmental_science | 5,228 |
55,763,195 | https://en.wikipedia.org/wiki/N11%20%28emission%20nebula%29 | N11 (also known as LMC N11, LHA 120-N 11) is the brightest emission nebula in the north-west part of the Large Magellanic Cloud in the Dorado constellation. The N11 complex is the second largest H II region of that galaxy, the largest being the Tarantula Nebula. It covers an area approximately 6 arc minutes across. It ... | N11 (emission nebula) | Astronomy | 611 |
32,961,505 | https://en.wikipedia.org/wiki/RFID%20testing | RFID is a wireless technology supported by many different vendors for tags (also called transponders or smart cards) and readers (also called interrogators or terminals). In order to ensure global operability of the products multiple test standards have been developed. Furthermore, standardization organizations like ET... | RFID testing | Engineering | 219 |
11,587,822 | https://en.wikipedia.org/wiki/Tarka%20Shastra | Tarka Shastra (, IAST: ) is a Sanskrit term for the philosophy of dialectics, logic and reasoning, and art of debate that analyzes the nature and source of knowledge and its validity. Shastra in Sanskrit means that which gives teaching, instruction or command. Tarka means debate or an argument. According to one reckoni... | Tarka Shastra | Biology | 686 |
47,079,128 | https://en.wikipedia.org/wiki/Neoichnology | Neoichnology (Greek néos „new“, íchnos „footprint“, logos „science“) is the science of footprints and traces of extant animals. Thus, it is a counterpart to paleoichnology, which investigates tracks and traces of fossil animals. Neoichnological methods are used in order to study the locomotion and the resulting tracks ... | Neoichnology | Biology | 524 |
36,048,753 | https://en.wikipedia.org/wiki/Strawberry%20Tree%20%28solar%20energy%20device%29 | The Strawberry Tree is the world’s first public solar charger for mobile devices. It was developed by Serbian company Strawberry Energy. It won first place in the European Commission’s "Sustainable energy week 2011" competition in Brussels, in the category Consuming.
Functionalities
Strawberry Tree is a solar and Wi... | Strawberry Tree (solar energy device) | Physics,Engineering | 597 |
6,176,311 | https://en.wikipedia.org/wiki/Inertial%20reference%20unit | An inertial reference unit (IRU) is a type of inertial sensor which uses gyroscopes (electromechanical, ring laser gyro or MEMS) and accelerometers (electromechanical or MEMS) to determine a moving aircraft’s or spacecraft’s change in rotational attitude (angular orientation relative to some reference frame) and transl... | Inertial reference unit | Technology,Engineering | 267 |
40,856,991 | https://en.wikipedia.org/wiki/John%20F.%20Rockart | John Fralick (Jack) Rockart (1931 – February 3, 2014) was an American organizational theorist, and Senior Lecturer Emeritus at the Center for Information Systems Research at the MIT Sloan School of Management.
Biography
Born in New York City, Rockart received his AB from the Woodrow Wilson School of Public and Intern... | John F. Rockart | Technology | 602 |
4,194,692 | https://en.wikipedia.org/wiki/Microspore | Microspores are land plant spores that develop into male gametophytes, whereas megaspores develop into female gametophytes. The male gametophyte gives rise to sperm cells, which are used for fertilization of an egg cell to form a zygote. Megaspores are structures that are part of the alternation of generations in many ... | Microspore | Biology | 1,050 |
6,315 | https://en.wikipedia.org/wiki/Air%20%28classical%20element%29 | Air or Wind is one of the four classical elements along with water, earth and fire in ancient Greek philosophy and in Western alchemy.
Greek and Roman tradition
According to Plato, it is associated with the octahedron; air is considered to be both hot and wet. The ancient Greeks used two words for air: aer meant the ... | Air (classical element) | Physics,Chemistry,Astronomy | 1,709 |
36,033,938 | https://en.wikipedia.org/wiki/Mu2%20Chamaeleontis | {{DISPLAYTITLE:Mu2 Chamaeleontis}}
Mu2 Chamaeleontis (μ2 Cha) is a star located in the constellation Chamaeleon. It is not bright enough to be readily visible to the naked eye, having an apparent visual magnitude of 6.60, but has an absolute magnitude of 0.59. The distance to this object is approximately 556 light yea... | Mu2 Chamaeleontis | Astronomy | 252 |
38,683,862 | https://en.wikipedia.org/wiki/International%20Middleware%20Conference | The International Middleware Conference brings together academic and industrial delegates who have an interest in the development, optimisation, evaluation and evolution of middleware.
History
The first instance of the Middleware conference was held in 1998. Since 2003 the conference has been run annually. Many recent... | International Middleware Conference | Technology,Engineering | 205 |
11,421,770 | https://en.wikipedia.org/wiki/Small%20nucleolar%20RNA%20SNORA35 | In molecular biology, Homo sapiens snoRA35 (also known as HBI-36) is an H/ACA box snoRNA, first cloned from a mouse adult brain cDNA library by Cavaillé et al. (2000), and is found to be specifically expressed in the choroid plexus. Its human orthologue, HBI-36 was discovered by a homology search and was discovered to ... | Small nucleolar RNA SNORA35 | Chemistry | 201 |
2,870,411 | https://en.wikipedia.org/wiki/Omega%20Aquilae | The Bayer designation Omega Aquilae (ω Aql / ω Aquilae) is shared by two stars in the constellation Aquila:
Omega¹ Aquilae (Flamsteed designation 25 Aquilae.)
Omega² Aquilae (Flamsteed designation 29 Aquilae.)
They are separated by 0.51° on the sky.
Aquilae, Omega
Aquila (constellation) | Omega Aquilae | Astronomy | 89 |
61,166,674 | https://en.wikipedia.org/wiki/C14H19NO4 | {{DISPLAYTITLE:C14H19NO4}}
The molecular formula C14H19NO4 (molar mass: 265.31 g/mol, exact mass: 265.1314 u) may refer to:
Anisomycin, also known as flagecidin
Filenadol
Molecular formulas | C14H19NO4 | Physics,Chemistry | 68 |
21,687,322 | https://en.wikipedia.org/wiki/Fc%20%28Unix%29 | is a standard program on Unix and Unix-like operating systems that lists, edits and reexecutes commands previously entered to an interactive shell. fc is a builtin command in the Bash and Zsh shells and is an initialism for "fix command". It is particularly helpful for editing complex, multi-line commands. The editor c... | Fc (Unix) | Technology | 299 |
61,086,978 | https://en.wikipedia.org/wiki/Mycena%20lazulina | Mycena lazulina is a bioluminescent species of mushroom in the genus Mycena and family Mycenaceae.
It was first described in 2016 from southwestern Japan. The specific epithet, lazulina, is Latin for blue (c.f. lapis lazuli).
See also
List of bioluminescent fungi
References
External links
Mycena lazulina in M... | Mycena lazulina | Biology | 107 |
19,371,215 | https://en.wikipedia.org/wiki/Metric%20circle | In mathematics, a metric circle is the metric space of arc length on a circle, or equivalently on any rectifiable simple closed curve of bounded length. The metric spaces that can be embedded into metric circles can be characterized by a four-point triangle equality.
Some authors have called metric circles Riemannian ... | Metric circle | Mathematics | 357 |
26,457,869 | https://en.wikipedia.org/wiki/C22H35NO2 | {{DISPLAYTITLE:C22H35NO2}}
The molecular formula C22H35NO2 (molar mass: 345.52 g/mol, exact mass: 345.2668 u) may refer to:
Himbacine
LY-255582
Molecular formulas | C22H35NO2 | Physics,Chemistry | 62 |
31,019,592 | https://en.wikipedia.org/wiki/C25H36O4 | {{DISPLAYTITLE:C25H36O4}}
The molecular formula C25H36O4 (molar mass: 400.55 g/mol, exact mass: 400.2614 u) may refer to:
Ajulemic acid
HU-320, or 7-nor-7-carboxy-CBD-1,1-DMH | C25H36O4 | Chemistry | 80 |
35,283,555 | https://en.wikipedia.org/wiki/Ellen%20Gleditsch | Ellen Gleditsch (29 December 1879 – 5 June 1968) was a Norwegian radiochemist and Norway's second female professor. Starting her career as an assistant to Marie Curie, she became a pioneer in radiochemistry, establishing the half-life of radium and helping demonstrate the existence of isotopes. She was Vice President o... | Ellen Gleditsch | Chemistry | 1,452 |
52,433,615 | https://en.wikipedia.org/wiki/Lead%E2%80%93crime%20hypothesis | After decades of increasing crime across the industrialised world, crime rates started to decline sharply in the 1990s, a trend that continued into the new millennium. Many explanations have been proposed, including situational crime prevention and interactions between many other factors with complex, multifactorial ca... | Lead–crime hypothesis | Environmental_science | 1,606 |
66,479,755 | https://en.wikipedia.org/wiki/Grammatophora%20%28alga%29 | Grammatophora is a genus of Chromista belonging to the family Grammatophoraceae.
The genus was first described by C. G. Ehrenberg in 1840.
Species:
Grammatophora marina
Grammatophora oceanica
References
Diatoms
Diatom genera | Grammatophora (alga) | Biology | 59 |
19,594,213 | https://en.wikipedia.org/wiki/Planck%20constant | The Planck constant, or Planck's constant, denoted by is a fundamental physical constant of foundational importance in quantum mechanics: a photon's energy is equal to its frequency multiplied by the Planck constant, and the wavelength of a matter wave equals the Planck constant divided by the associated particle mome... | Planck constant | Physics | 3,285 |
71,739,928 | https://en.wikipedia.org/wiki/Cliff%20Obrecht | Clifford Obrecht (born 1985 or 1986) is an Australian billionaire technology entrepreneur, who is the co-founder (with Melanie Perkins) and chief operating officer (COO) of Canva and owns 18% of the company.
Early life and education
Clifford was born to Stan Obrecht, a government employee and Mary Obrecht, a school t... | Cliff Obrecht | Technology | 259 |
69,562,680 | https://en.wikipedia.org/wiki/Samarium%28III%29%20phosphide | Samarium(III) phosphide is an inorganic compound of samarium and phosphorus with the chemical formula SmP.
Synthesis
Samarium(III) phosphide can be obtained by heating samarium and phosphorus:
4 Sm + P4 → 4 SmP
Physical properties
Samarium(III) phosphide forms crystals of a cubic system, space group Fm3m, cell size ... | Samarium(III) phosphide | Physics,Chemistry,Materials_science,Engineering | 201 |
434,188 | https://en.wikipedia.org/wiki/Bioremediation | Bioremediation broadly refers to any process wherein a biological system (typically bacteria, microalgae, fungi in mycoremediation, and plants in phytoremediation), living or dead, is employed for removing environmental pollutants from air, water, soil, flue gasses, industrial effluents etc., in natural or artificial s... | Bioremediation | Chemistry,Technology,Engineering,Biology,Environmental_science | 3,979 |
3,117,974 | https://en.wikipedia.org/wiki/Microsoft%20Transaction%20Server | Microsoft Transaction Server (MTS) was software that provided services to Component Object Model (COM) software components, to make it easier to create large distributed applications. The major services provided by MTS were automated transaction management, instance management (or just-in-time activation) and role-base... | Microsoft Transaction Server | Technology | 1,002 |
379,185 | https://en.wikipedia.org/wiki/Gastrovascular%20cavity | The gastrovascular cavity is the primary organ of digestion and circulation in two major animal phyla: the Coelenterates or cnidarians (including jellyfish and corals) and Platyhelminthes (flatworms). The cavity may be extensively branched into a system of canals. In cnidarians, the gastrovascular system is also known ... | Gastrovascular cavity | Biology | 205 |
37,441 | https://en.wikipedia.org/wiki/Nitrous%20oxide | Nitrous oxide (dinitrogen oxide or dinitrogen monoxide), commonly known as laughing gas, nitrous, or factitious air, among others, is a chemical compound, an oxide of nitrogen with the formula . At room temperature, it is a colourless non-flammable gas, and has a slightly sweet scent and taste. At elevated temperatures... | Nitrous oxide | Chemistry,Environmental_science | 7,657 |
28,530,086 | https://en.wikipedia.org/wiki/Cortinarius%20anomalus | Cortinarius anomalus, also known as the variable webcap, is a basidiomycete fungus of the genus Cortinarius. It produces a medium-sized mushroom with a grayish-brown cap up to wide, gray-violet gills and a whitish stem with pale yellow belts below. The mushroom grows solitarily or in scattered groups on the ground in ... | Cortinarius anomalus | Biology | 957 |
46,602,031 | https://en.wikipedia.org/wiki/Multiplier%20%28linguistics%29 | In linguistics, more precisely in traditional grammar, a multiplier is a word that counts how many times its object should be multiplied, such as single or double. They are contrasted with distributive numbers. In English, this part of speech is relatively marginal, and less recognized than cardinal numbers and ordinal... | Multiplier (linguistics) | Mathematics | 321 |
24,385,535 | https://en.wikipedia.org/wiki/C18H18 | {{DISPLAYTITLE:C18H18}}
The molecular formula C18H18 (molar mass: 234.33 g/mol, exact mass: 234.1409 u) may refer to:
Cyclooctadecanonaene, or [18]annulene
Retene
Molecular formulas | C18H18 | Physics,Chemistry | 68 |
6,269,757 | https://en.wikipedia.org/wiki/Thioredoxin%20fold | The thioredoxin fold is a protein fold common to enzymes that catalyze disulfide bond formation and isomerization. The fold is named for the canonical example thioredoxin and is found in both prokaryotic and eukaryotic proteins. It is an example of an alpha/beta protein fold that has oxidoreductase activity. The fold's... | Thioredoxin fold | Biology | 470 |
4,558,491 | https://en.wikipedia.org/wiki/Statistical%20machine%20translation | Statistical machine translation (SMT) is a machine translation approach where translations are generated on the basis of statistical models whose parameters are derived from the analysis of bilingual text corpora. The statistical approach contrasts with the rule-based approaches to machine translation as well as with e... | Statistical machine translation | Technology | 2,431 |
2,567,355 | https://en.wikipedia.org/wiki/Minatec | Minatec (initially called the Micro and Nanotechnology Innovation Centre) is a research complex specializing in micro/nano technologies in Grenoble, France.
The center was inaugurated in June 2006 by François Loos, French Minister Delegate for Industry, as a partnership between LETI (the Electronics and Information Te... | Minatec | Materials_science,Engineering | 376 |
59,609,098 | https://en.wikipedia.org/wiki/Optical%20baffle | An optical baffle is an opto-mechanical construction designed to block light from a source shining into the front of an optical system and reaching the image as unwanted light.
Principles
Optical systems which have stringent requirements on stray light levels often need optical baffles. There are many designs, depend... | Optical baffle | Materials_science,Engineering | 102 |
3,446,698 | https://en.wikipedia.org/wiki/Humidistat | A humidistat or hygrostat is an electronic device analogous to a thermostat but which responds to relative humidity, not temperature. A typical humidistat is usually included with portable humidifiers or dehumidifiers. It can also be included with combined air cleaner or humidifier units to control a home's humidity le... | Humidistat | Technology | 283 |
4,936,677 | https://en.wikipedia.org/wiki/Cranege%20brothers | Thomas and George Cranege (also spelled Cranage), who worked in the ironworking industry in England in the 1760s, are notable for introducing a new method of producing wrought iron from pig iron.
Experiment of 1766
The process of converting pig iron into wrought iron (also known as bar iron) was at that time carried o... | Cranege brothers | Chemistry,Materials_science | 502 |
50,639,093 | https://en.wikipedia.org/wiki/Bright%20Computing | Bright Computing, Inc. is a developer of software for deploying and managing high-performance (HPC) clusters, Kubernetes clusters, and OpenStack private clouds in on-premises data centers as well as in the public cloud.
History
Bright Computing was founded by Matthijs van Leeuwen in 2009, who spun the company out of ... | Bright Computing | Technology | 763 |
44,927,859 | https://en.wikipedia.org/wiki/HIP%2085605 | HIP 85605 is a star in the constellation Hercules with a visual apparent magnitude of 11.03. It was once thought to be a M dwarf or K-type main-sequence star and a possible companion of the brighter star HIP 85607, but they are now known to be an optical double, both objects being red giants located much more distant (... | HIP 85605 | Astronomy | 389 |
2,542,609 | https://en.wikipedia.org/wiki/International%20Congress%20Calendar | The International Congress Calendar is a calendar of events organized by non-profit international organizations, mainly those organizations which are included in the Yearbook of International Organizations. It has been published since 1960 by the Union of International Associations (UIA) and includes over 425,000 meeti... | International Congress Calendar | Physics | 139 |
55,372,363 | https://en.wikipedia.org/wiki/Chantal%20David | Chantal David (born 1964) is a French Canadian mathematician who works as a professor of mathematics at Concordia University. Her interests include analytic number theory, arithmetic statistics, and random matrix theory, and she has shown interest in elliptic curves and Drinfeld modules. She is the 2013 winner of the K... | Chantal David | Mathematics | 367 |
9,305,752 | https://en.wikipedia.org/wiki/Fanno%20flow | In fluid dynamics, Fanno flow (after Italian engineer Gino Girolamo Fanno) is the adiabatic flow through a constant area duct where the effect of friction is considered. Compressibility effects often come into consideration, although the Fanno flow model certainly also applies to incompressible flow. For this model, th... | Fanno flow | Chemistry,Engineering | 1,396 |
24,120,049 | https://en.wikipedia.org/wiki/Radio%20frequency%20over%20glass | In telecommunications, radio frequency over glass (RFoG) is a deep-fiber network design in which the coax portion of the hybrid fiber coax (HFC) network is replaced by a single-fiber passive optical network (PON). Downstream and return-path transmission use different wavelengths to share the same fiber (typically 1550 ... | Radio frequency over glass | Engineering | 1,185 |
19,604,228 | https://en.wikipedia.org/wiki/Dark%20energy | In physical cosmology and astronomy, dark energy is a proposed form of energy that affects the universe on the largest scales. Its primary effect is to drive the accelerating expansion of the universe. Assuming that the lambda-CDM model of cosmology is correct, dark energy dominates the universe, contributing 68% of th... | Dark energy | Physics,Astronomy,Mathematics | 6,592 |
730,906 | https://en.wikipedia.org/wiki/Exclusion%20principle%20%28philosophy%29 | The exclusion principle is a philosophical principle that states:
If an event e causes event e*, then there is no event e# such that e# is non-supervenient on e and e# causes e*.
In physicalism
The exclusion principle is most commonly applied when one poses this scenario: One usually considers the desire to lift one... | Exclusion principle (philosophy) | Physics | 326 |
1,126,135 | https://en.wikipedia.org/wiki/Alfred%20Wegener%20Institute%20for%20Polar%20and%20Marine%20Research | The Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (German: Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung) is located in Bremerhaven, Germany, and a member of the Helmholtz Association of German Research Centres. It conducts research in the Arctic, the Antarctic, an... | Alfred Wegener Institute for Polar and Marine Research | Environmental_science | 3,354 |
43,672,392 | https://en.wikipedia.org/wiki/Networks%20and%20States | Networks and States: The Global Politics of Internet Governance is a 2010 book by Professor at the Syracuse University School of Information Studies Milton L. Muller. This book shows an influence of networks on the government.
Synopsis
Chapter I, Networks and Governance
Chapter II, Transnational Institutions
Chapte... | Networks and States | Technology | 75 |
3,405,004 | https://en.wikipedia.org/wiki/Rng%20%28algebra%29 | In mathematics, and more specifically in abstract algebra, a rng (or non-unital ring or pseudo-ring) is an algebraic structure satisfying the same properties as a ring, but without assuming the existence of a multiplicative identity. The term rng, pronounced like rung (IPA: ), is meant to suggest that it is a ring with... | Rng (algebra) | Mathematics | 1,948 |
14,445,752 | https://en.wikipedia.org/wiki/GPR119 | G protein-coupled receptor 119 also known as GPR119 is a G protein-coupled receptor that in humans is encoded by the GPR119 gene.
GPR119, along with GPR55 and GPR18, have been implicated as novel cannabinoid receptors.
Pharmacology
GPR119 is expressed predominantly in the pancreas and gastrointestinal tract in rode... | GPR119 | Chemistry | 664 |
45,485,130 | https://en.wikipedia.org/wiki/Deadjectival%20verb | A deadjectival verb is a type of verb derived from an adjective.
In English, the verb may be created by adding a suffix to the adjective: intense (A)+ -ify (Verbalizer) → intensify or a prefix, e.g., en- + large → enlarge.
References
Parts of speech
Verb types | Deadjectival verb | Technology | 74 |
48,314,578 | https://en.wikipedia.org/wiki/VFTS%20352 | VFTS 352 is a contact binary star system away in the Tarantula Nebula, which is part of the Large Magellanic Cloud. It is the most massive and earliest spectral type overcontact system known.
The discovery of this O-type binary star system made use of the European Southern Observatory's Very Large Telescope, and th... | VFTS 352 | Astronomy | 329 |
45,235,736 | https://en.wikipedia.org/wiki/Zoxazolamine | Zoxazolamine (INN, USAN, BAN) (brand name Contrazole, Deflexol, Flexin, Miazol, Uri-Boi, Zoxamine, Zoxine) is a muscle relaxant that is no longer marketed. It was synthesized in 1953 and introduced clinically in 1955 but was withdrawn due to hepatotoxicity. One of its active metabolites, chlorzoxazone, was found to sho... | Zoxazolamine | Chemistry | 145 |
63,577 | https://en.wikipedia.org/wiki/Cashew | Cashew is the common name of a tropical evergreen tree Anacardium occidentale, in the family Anacardiaceae. It is native to South America and is the source of the cashew nut and the cashew apple, an accessory fruit. The tree can grow as tall as , but the dwarf cultivars, growing up to , prove more profitable, with earl... | Cashew | Physics | 3,404 |
39,840,659 | https://en.wikipedia.org/wiki/ZSpace%20%28company%29 | zSpace, Inc. is an American technology firm based in San Jose, California that combines elements of virtual and augmented reality in a computer. zSpace mostly provides AR/VR technology to the education market. It allows teachers and learners to interact with simulated objects in virtual environments.
zSpace does not ... | ZSpace (company) | Technology | 1,404 |
813,086 | https://en.wikipedia.org/wiki/Rotational%20frequency | Rotational frequency, also known as rotational speed or rate of rotation (symbols ν, lowercase Greek nu, and also n), is the frequency of rotation of an object around an axis.
Its SI unit is the reciprocal seconds (s−1); other common units of measurement include the hertz (Hz), cycles per second (cps), and revolutions ... | Rotational frequency | Physics,Mathematics | 674 |
2,956,372 | https://en.wikipedia.org/wiki/Foot%20per%20second | The foot per second (plural feet per second) is a unit of both speed (scalar) and velocity (vector quantity, which includes direction). It expresses the distance in feet (ft) traveled or displaced, divided by the time in seconds (s). The corresponding unit in the International System of Units (SI) is the meter per seco... | Foot per second | Mathematics | 121 |
46,921,420 | https://en.wikipedia.org/wiki/Grand%20Maket%20Rossiya | Grand Maket Rossiya () is a private museum in Saint Petersburg, Russia. It is a model layout designed on a scale of 1:87 (HO scale) and covers an area of . In this area, collective images of regions of the Russian Federation are represented. It is the largest model layout in Russia and the second largest in the world (... | Grand Maket Rossiya | Physics | 715 |
22,945,040 | https://en.wikipedia.org/wiki/Society%20of%20Toxicology | The Society of Toxicology (SOT) is a learned society (professional association) based in the United States that supports scientific inquiry in the field of toxicology.
Goals
The SOT is committed to creating a safer and healthier world by advancing the science of toxicology. The Society promotes the acquisition and ut... | Society of Toxicology | Environmental_science | 320 |
54,268,322 | https://en.wikipedia.org/wiki/Cloud%20tree | A cloud tree is a tree shaped using topiary techniques. The leaves are pruned into a ball or cloud shape, leaving the stems thin and exposed. The shape of the tree as a whole resembles a set of clouds.
Cloud trees differ from bonsai trees because they are not miniature. Typically, cloud trees are planted in plain soil... | Cloud tree | Engineering | 184 |
4,608,190 | https://en.wikipedia.org/wiki/Night%20skiing | Night skiing is the sport of skiing or snowboarding after sundown, offered at many ski areas. There are floodlights – with metal halide, LED or magnetic induction lamps – along the piste which allow for better visibility. The night skiing session typically begins around sunset, and ends between 8:00 PM and 10:30 PM.
N... | Night skiing | Astronomy | 389 |
2,314,852 | https://en.wikipedia.org/wiki/LF-space | In mathematics, an LF-space, also written (LF)-space, is a topological vector space (TVS) X that is a locally convex inductive limit of a countable inductive system of Fréchet spaces.
This means that X is a direct limit of a direct system in the category of locally convex topological vector spaces and each is a Fr... | LF-space | Mathematics | 2,044 |
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