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 |
|---|---|---|---|---|---|
230,711 | https://en.wikipedia.org/wiki/Johannes%20Diderik%20van%20der%20Waals | Johannes Diderik van der Waals (; 23 November 1837 – 8 March 1923) was a Dutch theoretical physicist and thermodynamicist famous for his pioneering work on the equation of state for gases and liquids. Van der Waals started his career as a schoolteacher. He became the first physics professor of the University of Amsterd... | Johannes Diderik van der Waals | Physics,Chemistry | 2,762 |
11,885,652 | https://en.wikipedia.org/wiki/Technical%20debt | In software development and other information technology fields, technical debt (also known as design debt or code debt) is the implied cost of future reworking because a solution prioritizes expedience over long-term design.
Analogous with monetary debt, if technical debt is not repaid, it can accumulate "interest", ... | Technical debt | Technology,Engineering | 1,890 |
55,340,952 | https://en.wikipedia.org/wiki/Digital%20product%20design | Digital product design is an iterative design process used to solve a functional problem with a formal solution. A digital product designer identifies an existing problem, offers the best possible solution, and launches it to a market that demonstrates demand for the particular solution. The field is considered a subse... | Digital product design | Engineering | 449 |
42,096,146 | https://en.wikipedia.org/wiki/Plakoridine%20A | Plakoridine A is an alkaloid isolated from the marine sponge Plakortis sp. There are three plakoridines known, named plakoridine A, B, and C.
References
Pyrrolidine alkaloids
Methyl esters
4-Hydroxyphenyl compounds
Ketenes | Plakoridine A | Chemistry | 67 |
64,333,687 | https://en.wikipedia.org/wiki/Marion%20McQuillan | Marion McQuillan (30 October 1921 – 24 June 1998) was a British metallurgist who specialised in the engineering uses for titanium and its alloys. She researched jet engine metals and was on the first team to research titanium for the Royal Aircraft Establishment Farnborough (RAE).
Biography
Marion Katherine Blight was... | Marion McQuillan | Chemistry,Materials_science | 1,163 |
454,446 | https://en.wikipedia.org/wiki/Abstraction%20%28mathematics%29 | Abstraction in mathematics is the process of extracting the underlying structures, patterns or properties of a mathematical concept, removing any dependence on real world objects with which it might originally have been connected, and generalizing it so that it has wider applications or matching among other abstract de... | Abstraction (mathematics) | Mathematics | 573 |
5,696,506 | https://en.wikipedia.org/wiki/Colossal%20Typewriter | Colossal Typewriter by John McCarthy and Roland Silver was one of the earliest computer text editors. The program ran on the PDP-1 at Bolt, Beranek and Newman (BBN) by December 1960.
About this time, both authors were associated with the Massachusetts Institute of Technology, but it is unclear whether the editor ran o... | Colossal Typewriter | Technology | 154 |
60,840,748 | https://en.wikipedia.org/wiki/Huawei%20Mediapad%20M5 | Huawei Mediapad M5 is a series of tablets designed and marketed by Huawei, comprising three models: an 8.4 inch model, a 10.8 inch model, and a 10.8 inch Pro model. Each model came with a Wi-Fi version and a Wi-Fi+LTE version.
For the larger variant, Huawei also includes a desktop mode which allows the user to switch ... | Huawei Mediapad M5 | Technology | 222 |
231,301 | https://en.wikipedia.org/wiki/Progressing%20cavity%20pump | A progressing cavity pump is a type of positive displacement pump and is also known as a progressive cavity pump, progg cavity pump, eccentric screw pump or cavity pump. It transfers fluid by means of the progress, through the pump, of a sequence of small, fixed shape, discrete cavities, as its rotor is turned. This le... | Progressing cavity pump | Physics,Chemistry | 1,663 |
52,496,956 | https://en.wikipedia.org/wiki/Institute%20for%20Advanced%20Sustainability%20Studies | The Research Institute for Sustainability (RIFS) in Potsdam, previously known as the Institute for Sustainability Studies (IASS), is part of the Helmholtz Association, with the GFZ German Research Centre for Geosciences. RIFS collaborates with a range of stakeholders to address sustainability challenges including resea... | Institute for Advanced Sustainability Studies | Environmental_science | 621 |
387,109 | https://en.wikipedia.org/wiki/Fordism | Fordism is an industrial engineering and manufacturing system that serves as the basis of modern social and labor-economic systems that support industrialized, standardized mass production and mass consumption. The concept is named after Henry Ford. It is used in social, economic, and management theory about production... | Fordism | Engineering | 2,640 |
70,395,602 | https://en.wikipedia.org/wiki/HD%20191829 | HD 191829 (HR 7714) is a solitary star located in the southern constellation Telescopium. It has an apparent magnitude of 5.632, making it faintly visible to the naked eye if viewed under ideal conditions. The star is situated at a distance of 710 light years but is receding with a heliocentric radial velocity of .
HD... | HD 191829 | Astronomy | 207 |
69,710,383 | https://en.wikipedia.org/wiki/Materials%20Science%20and%20Engineering%20A | Materials Science and Engineering: A — Structural Materials: Properties, Microstructure and Processing is a peer-reviewed scientific journal. It is the section of Materials Science and Engineering dedicated to "theoretical and experimental studies related to the load-bearing capacity of materials as influenced by their... | Materials Science and Engineering A | Materials_science,Engineering | 211 |
77,398,579 | https://en.wikipedia.org/wiki/Fausto%20Calderazzo | Fausto Calderazzo was an Italian inorganic chemist. He gained renown from numerous contributions in inorganic chemistry and organometallic chemistry. Hr was born in Parma, on March 8, 1930, where his father served in the Royal Italian army. He died in Pisa on June 1, 2014, at the age of 84.
Life and education
Fausto ... | Fausto Calderazzo | Chemistry | 478 |
76,396,899 | https://en.wikipedia.org/wiki/GRB%20200522A | GRB 200522A is a large kilonova in the Constellation Pisces. It was first observed in May 2020 by the Hubble Space Telescope. It is the result of the largest neutron star explosion ever recorded, and was bright enough to be visible by Hubble 5.4 billion light years away.
Formation
GRB 200522A is believed to have been... | GRB 200522A | Physics,Astronomy | 286 |
1,035,039 | https://en.wikipedia.org/wiki/Smooth%20number | In number theory, an n-smooth (or n-friable) number is an integer whose prime factors are all less than or equal to n. For example, a 7-smooth number is a number in which every prime factor is at most 7. Therefore, 49 = 72 and 15750 = 2 × 32 × 53 × 7 are both 7-smooth, while 11 and 702 = 2 × 33 × 13 are not 7-smooth. T... | Smooth number | Mathematics | 1,513 |
33,054,163 | https://en.wikipedia.org/wiki/Kepler-12 | Kepler-12 is a star with a transiting planet Kepler-12b in a 4-day orbit.
Characteristics
Kepler-12, known also as KIC 11804465 in the Kepler Input Catalog, is an early G-type to late F-type star. This corresponds strongly with a sunlike dwarf star nearing the end of the main sequence, and is about to become a red gia... | Kepler-12 | Astronomy | 214 |
56,353 | https://en.wikipedia.org/wiki/Linear%20span | In mathematics, the linear span (also called the linear hull or just span) of a set of elements of a vector space is the smallest linear subspace of that contains It is the set of all finite linear combinations of the elements of , and the intersection of all linear subspaces that contain It often denoted or
F... | Linear span | Mathematics | 1,743 |
15,067,791 | https://en.wikipedia.org/wiki/CHRNB1 | Acetylcholine receptor subunit beta is a protein that in humans is encoded by the CHRNB1 gene.
The muscle acetylcholine receptor is composed of five subunits: two alpha subunits and one beta, one gamma, and one delta subunit. This gene encodes the beta subunit of the acetylcholine receptor. The acetylcholine receptor ... | CHRNB1 | Chemistry | 149 |
48,522,026 | https://en.wikipedia.org/wiki/Hygrophoropsis%20bicolor | Hygrophoropsis bicolor is a species of fungus in the family Hygrophoropsidaceae. Found in Japan, it was described as new to science in 1963 by Tsuguo Hongo.
References
External links
Hygrophoropsidaceae
Fungi described in 1963
Fungi of Japan
Fungus species | Hygrophoropsis bicolor | Biology | 67 |
50,285,278 | https://en.wikipedia.org/wiki/Polycomb%20recruitment%20in%20X%20chromosome%20inactivation | X chromosome inactivation (XCI) is the phenomenon that has been selected during the evolution to balance X-linked gene dosage between XX females and XY males.
Phases
XCI is usually divided in two phases, the establishment phase when gene silencing is reversible, and maintenance phase when gene silencing becomes irre... | Polycomb recruitment in X chromosome inactivation | Biology | 584 |
9,944 | https://en.wikipedia.org/wiki/Episome | An episome is a special type of plasmid, which remains as a part of the eukaryotic genome without integration. Episomes manage this by replicating together with the rest of the genome and subsequently associating with metaphase chromosomes during mitosis. Episomes do not degrade, unlike standard plasmids, and can be de... | Episome | Chemistry,Biology | 381 |
31,324,619 | https://en.wikipedia.org/wiki/C9H10N2 | {{DISPLAYTITLE:C9H10N2}}
The molecular formula C9H10N2 (molar mass: 146.19 g/mol, exact mass: 146.0844 u) may refer to:
5,6-Dimethylbenzimidazole
Isomyosamine
Myosmine | C9H10N2 | Chemistry | 71 |
66,711,636 | https://en.wikipedia.org/wiki/Entoloma%20mougeotii | Entoloma mougeotii is a species of fungus belonging to the family Entolomataceae.
Synonym:
Eccilia mougeotii Fr., 1873 (= basionym)
References
Entolomataceae
Fungus species | Entoloma mougeotii | Biology | 52 |
32,791,926 | https://en.wikipedia.org/wiki/Howard%20Harry%20Rosenbrock | Howard Harry Rosenbrock (16 December 1920 – 21 October 2010) was a leading figure in control theory and control engineering. He was born in Ilford, England in 1920, graduated in 1941 from University College London with a 1st class honors degree in Electrical Engineering. He served in the Royal Air Force during World Wa... | Howard Harry Rosenbrock | Engineering | 324 |
18,928,265 | https://en.wikipedia.org/wiki/NGC%206200 | NGC 6200 is an open cluster in the constellation Ara, lying close to the galactic equator. It contains one β Cephei variable.
References
External links
NGC 6200
6200
Ara (constellation) | NGC 6200 | Astronomy | 42 |
4,098,234 | https://en.wikipedia.org/wiki/Sort%20%28Unix%29 | In computing, sort is a standard command line program of Unix and Unix-like operating systems, that prints the lines of its input or concatenation of all files listed in its argument list in sorted order. Sorting is done based on one or more sort keys extracted from each line of input. By default, the entire input is t... | Sort (Unix) | Mathematics,Technology | 1,299 |
52,530,344 | https://en.wikipedia.org/wiki/Airborne%20Internet | Airborne Internet is a system that overlays network theory and principles into the transportation realm. Its goal is to establish seamless information connectivity between ground based infrastructure and airborne entities. To reach that goal, the system aims to create a scalable, general purpose, multi-application dat... | Airborne Internet | Technology | 2,219 |
39,265,695 | https://en.wikipedia.org/wiki/Stimulus%20filtering | Stimulus filtering occurs when an animal's nervous system fails to respond to stimuli that would otherwise cause a reaction to occur. The nervous system has developed the capability to perceive and distinguish between minute differences in stimuli, which allows the animal to only react to significant impetus. This enab... | Stimulus filtering | Biology | 1,522 |
17,744,469 | https://en.wikipedia.org/wiki/Thallium%20barium%20calcium%20copper%20oxide | Thallium barium calcium copper oxide, or TBCCO (pronounced "tibco"), is a family of high-temperature superconductors having the generalized chemical formula TlmBa2Can−1CunO2n+m+2.
Tl2Ba2Ca2Cu3O10 (TBCCO-2223) was discovered in Prof. Allen M. Hermann's laboratory in the physics department of the University of Arkansas ... | Thallium barium calcium copper oxide | Chemistry | 668 |
4,600,283 | https://en.wikipedia.org/wiki/National%20Wind%20Institute | The National Wind Institute (NWI) at Texas Tech University (TTU) was established in December 2012, and is intended to serve as Texas Tech University's intellectual hub for interdisciplinary and transdisciplinary research, commercialization and education related to wind science, wind energy, wind engineering and wind ha... | National Wind Institute | Engineering | 972 |
72,261,250 | https://en.wikipedia.org/wiki/40%20Leonis%20Minoris | 40 Leonis Minoris (40 LMi) is a white hued star located in the northern constellation Leo Minor. It is rarely called 14 H. Leonis Minoris, which is the designation given by Polis astronomer Johann Hevelius.
It has an apparent magnitude of 5.51, making it faintly visible to the naked eye. The object is located relative... | 40 Leonis Minoris | Astronomy | 381 |
44,957,547 | https://en.wikipedia.org/wiki/Reuptake%20modulator | A reuptake modulator, or transporter modulator, is a type of drug which modulates the reuptake of one or more neurotransmitters via their respective neurotransmitter transporters. Examples of reuptake modulators include reuptake inhibitors (transporter blockers) and reuptake enhancers.
See also
Releasing agent
Relea... | Reuptake modulator | Chemistry | 103 |
55,993,642 | https://en.wikipedia.org/wiki/Sinosabellidites | Sinosabellidites huainanensis part of the small shelly fauna is a species of Early Neoproterozoic metazoans.
See also
Huainan biota
References
Ediacaran life
Neoproterozoic
Prehistoric marine animals | Sinosabellidites | Biology | 51 |
12,917,766 | https://en.wikipedia.org/wiki/Thermodiscus | Thermodiscus is a genus of archaea in the family Desulfurococcaceae. The only species is Thermodiscus maritimus.
References
Further reading
Scientific journals
Scientific books
External links
Monotypic archaea genera
Thermoproteota | Thermodiscus | Biology | 56 |
23,227,915 | https://en.wikipedia.org/wiki/IEEE%20Medal%20for%20Engineering%20Excellence | The IEEE Medal for Engineering Excellence was an award presented by the IEEE to recognize exceptional achievements in application engineering in the technical disciplines of the IEEE, for the benefit of the public and the engineering profession. The medal was awarded to an individual or a group of up to three people. ... | IEEE Medal for Engineering Excellence | Technology | 260 |
48,286,881 | https://en.wikipedia.org/wiki/Lanthanum%20hydroxide | Lanthanum hydroxide is , a hydroxide of the rare-earth element lanthanum.
Synthesis
Lanthanum hydroxide can be obtained by adding an alkali such as ammonia to aqueous solutions of lanthanum salts such as lanthanum nitrate. This produces a gel-like precipitate that can then be dried in air.
Alternatively, it can be ... | Lanthanum hydroxide | Chemistry | 227 |
16,785,037 | https://en.wikipedia.org/wiki/History%20of%20laptops | The history of laptops describes the efforts, begun in the 1970s, to build small, portable personal computers that combine the components, inputs, outputs and capabilities of a desktop computer in a small chassis.
Portable precursors
Portal R2E CCMC
The portable microcomputer "Portal", of the French company R2E Micr... | History of laptops | Technology | 5,038 |
221,653 | https://en.wikipedia.org/wiki/Bleeding%20time | Bleeding time is a medical test done to assess the function of a person's platelets. It involves making a patient bleed, then timing how long it takes for them to stop bleeding using a stopwatch or other suitable devices.
The term template bleeding time is used when the test is performed to standardized parameters.
A... | Bleeding time | Chemistry | 827 |
7,484,714 | https://en.wikipedia.org/wiki/Forest%20management | Forest management is a branch of forestry concerned with overall administrative, legal, economic, and social aspects, as well as scientific and technical aspects, such as silviculture, forest protection, and forest regulation. This includes management for timber, aesthetics, recreation, urban values, water, wildlife, i... | Forest management | Physics | 9,740 |
1,750,677 | https://en.wikipedia.org/wiki/Durable%20good | In economics, a durable good or a hard good or consumer durable is a good that does not quickly wear out or, more specifically, one that yields utility over time rather than being completely consumed in one use. Items like bricks could be considered perfectly durable goods because they should theoretically never wear o... | Durable good | Physics,Chemistry,Engineering | 724 |
55,353,295 | https://en.wikipedia.org/wiki/Paper%20spray%20ionization | Paper spray ionization is a technique used in mass spectrometry to produce ions from a sample to be analyzed. It is a variant of electrospray ionization. The sample (for instance a few microlitres of blood or urine) is applied to a piece of paper and solvent is added. Then a high voltage is applied, which creates the i... | Paper spray ionization | Physics | 404 |
367,077 | https://en.wikipedia.org/wiki/Alu%20element | An Alu element is a short stretch of DNA originally characterized by the action of the Arthrobacter luteus (Alu) restriction endonuclease. Alu elements are the most abundant transposable elements in the human genome, present in excess of one million copies. Alu elements were thought to be selfish or parasitic DNA, beca... | Alu element | Biology | 2,146 |
2,852,949 | https://en.wikipedia.org/wiki/Envelope%20glycoprotein%20GP120 | Envelope glycoprotein GP120 (or gp120) is a glycoprotein exposed on the surface of the HIV envelope. It was discovered by Professors Tun-Hou Lee and Myron "Max" Essex of the Harvard School of Public Health in 1984. The 120 in its name comes from its molecular weight of 120 kDa. Gp120 is essential for virus entry into c... | Envelope glycoprotein GP120 | Chemistry | 1,753 |
14,551,977 | https://en.wikipedia.org/wiki/GPRC5C | G-protein coupled receptor family C group 5 member C is a protein that in humans is encoded by the GPRC5C gene.
Function
The protein encoded by this gene is a member of the type 3 G protein-coupled receptor family. Members of this superfamily are characterized by a signature 7-transmembrane domain motif. The specifi... | GPRC5C | Chemistry | 138 |
10,854,684 | https://en.wikipedia.org/wiki/Karnaugh%20map | A Karnaugh map (KM or K-map) is a diagram that can be used to simplify a Boolean algebra expression. Maurice Karnaugh introduced it in 1953 as a refinement of Edward W. Veitch's 1952 Veitch chart, which itself was a rediscovery of Allan Marquand's 1881 logical diagram (aka. Marquand diagram). It is also useful for unde... | Karnaugh map | Mathematics | 2,844 |
1,507,852 | https://en.wikipedia.org/wiki/DOM%20event | DOM (Document Object Model) Events are a signal that something has occurred, or is occurring, and can be triggered by user interactions or by the browser. Client-side scripting languages like JavaScript, JScript, VBScript, and Java can register various event handlers or listeners on the element nodes inside a DOM tree,... | DOM event | Technology | 3,135 |
421,129 | https://en.wikipedia.org/wiki/Cob%20%28material%29 | Cob, cobb, or clom (in Wales) is a natural building material made from subsoil, water, fibrous organic material (typically straw), and sometimes lime. The contents of subsoil vary, and if it does not contain the right mixture, it can be modified with sand or clay. Cob is fireproof, termite proof, resistant to seismic a... | Cob (material) | Physics,Engineering | 1,784 |
642,006 | https://en.wikipedia.org/wiki/Laplace%27s%20method | In mathematics, Laplace's method, named after Pierre-Simon Laplace, is a technique used to approximate integrals of the form
where is a twice-differentiable function, is a large number, and the endpoints and could be infinite. This technique was originally presented in the book by .
In Bayesian statistics, Laplac... | Laplace's method | Physics,Mathematics | 3,145 |
38,544,280 | https://en.wikipedia.org/wiki/Ballast | Ballast is dense material used as a weight to provide stability to a vehicle or structure. Ballast, other than cargo, may be placed in a vehicle, often a ship or the gondola of a balloon or airship, to provide stability. A compartment within a boat, ship, submarine, or other floating structure that holds water is calle... | Ballast | Physics,Engineering | 796 |
60,423,671 | https://en.wikipedia.org/wiki/Normally%20flat%20ring | In algebraic geometry, a normally flat ring along a proper ideal I is a local ring A such that is flat over for each integer .
The notion was introduced by Hironaka in his proof of the resolution of singularities as a refinement of equimultiplicity and was later generalized by Alexander Grothendieck and others.
Ref... | Normally flat ring | Mathematics | 128 |
12,592,816 | https://en.wikipedia.org/wiki/Gold%28III%29%20oxide | Gold(III) oxide (Au2O3) is an inorganic compound of gold and oxygen with the formula Au2O3. It is a red-brown solid that decomposes at 298 °C.
According to X-ray crystallography, AuO features square planar gold centers with both 2- and 3-coordinated oxides. The four Au-O bond distances range from 193 to 207 picometer... | Gold(III) oxide | Chemistry | 161 |
70,491,447 | https://en.wikipedia.org/wiki/HD1 | HD1 is a proposed high-redshift galaxy, which is considered (as of April 2022) to be one of the earliest and most distant known galaxies yet identified in the observable universe. The galaxy, with an estimated redshift of approximately z = 13.27, is seen as it was about 324 million years after the Big Bang, which was a... | HD1 | Astronomy | 934 |
21,281,702 | https://en.wikipedia.org/wiki/Jin%20Au%20Kong | Jin Au Kong (Traditional Chinese: 孔金甌; Simplified Chinese: 孔金瓯; 27 December 1942 – 13 March 2008) was a Taiwanese-American electrical engineer. He was an expert in applied electromagnetics. He was a 74th-generation lineal descendant of the famous Chinese philosopher Confucius (551 BC – 479 BC).
Biography
Kong was born... | Jin Au Kong | Materials_science | 1,048 |
35,896,259 | https://en.wikipedia.org/wiki/V602%20Carinae | V602 Carinae (V602 Car, HD 97671) is a red supergiant and variable star of spectral type M3 in the constellation Carina. It is considered to be one of largest known stars, being around 1,000 times larger than the Sun.
In 2005, V602 Car was calculated to have a bolometric luminosity below and a radius around based o... | V602 Carinae | Astronomy | 362 |
14,330,683 | https://en.wikipedia.org/wiki/Ministry%20of%20Energy%20%28Norway%29 | The Royal Norwegian Ministry of Energy () is a Norwegian ministry responsible for energy, including petroleum and natural gas production in the North Sea. It is led by Minister of Energy Terje Aasland of the Labour Party since 2022. The department must report to the legislature, the Storting.
History
The ministry was... | Ministry of Energy (Norway) | Chemistry,Engineering | 318 |
34,856,180 | https://en.wikipedia.org/wiki/Street%20box%20camera | The street box camera or kamra-e-faoree is a handmade wooden camera. It is both a camera and a darkroom in one. The term Kamra-e-faoree comes from Dari where it means ‘instant camera’.
History
This type of camera was first used in small towns and villages where there were no photographic studios. These places were vi... | Street box camera | Technology | 553 |
58,725 | https://en.wikipedia.org/wiki/Physical%20security | Physical security describes security measures that are designed to deny unauthorized access to facilities, equipment, and resources and to protect personnel and property from damage or harm (such as espionage, theft, or terrorist attacks). Physical security involves the use of multiple layers of interdependent systems ... | Physical security | Technology,Engineering | 2,150 |
23,154,241 | https://en.wikipedia.org/wiki/Methylamide | In biochemistry, an N-methylamide (NME) is a blocking group for the C-terminus end of peptides. When the carboxyl group of the C-terminus is replaced with a methylamide, further elongation of the peptide chain is prevented. C-Terminal modified peptides are also useful for the modulation of structure-activity relation... | Methylamide | Chemistry,Biology | 109 |
8,566,056 | https://en.wikipedia.org/wiki/Chain%20rule%20for%20Kolmogorov%20complexity | The chain rule for Kolmogorov complexity is an analogue of the chain rule for information entropy, which states:
That is, the combined randomness of two sequences X and Y is the sum of the randomness of X plus whatever randomness is left in Y once we know X.
This follows immediately from the definitions of conditional... | Chain rule for Kolmogorov complexity | Mathematics,Technology,Engineering | 539 |
3,526,052 | https://en.wikipedia.org/wiki/Van%20der%20Waerden%20notation | In theoretical physics, Van der Waerden notation refers to the usage of two-component spinors (Weyl spinors) in four spacetime dimensions. This is standard in twistor theory and supersymmetry. It is named after Bartel Leendert van der Waerden.
Dotted indices
Undotted indices (chiral indices)
Spinors with lower undot... | Van der Waerden notation | Mathematics | 279 |
60,128,567 | https://en.wikipedia.org/wiki/Kerstin%20Nordstrom | Kerstin N. Nordstrom is an American physicist who is the Clare Boothe Luce Assistant Professor of Physics in the Department of Physics at Mount Holyoke College. Her research focuses on soft matter physics; her work has been featured in the LA Times and in the BBC News.
Early life and education
Nordstrom completed a ... | Kerstin Nordstrom | Engineering,Biology | 278 |
32,721,695 | https://en.wikipedia.org/wiki/Spacecraft%20thermal%20control | In spacecraft design, the function of the thermal control system (TCS) is to keep all the spacecraft's component systems within acceptable temperature ranges during all mission phases. It must cope with the external environment, which can vary in a wide range as the spacecraft is exposed to the extreme coldness found i... | Spacecraft thermal control | Technology,Engineering | 3,464 |
37,510,191 | https://en.wikipedia.org/wiki/Diffraction%20efficiency | In optics, diffraction efficiency is the performance of diffractive optical elements – especially diffraction gratings – in terms of power throughput. It's a measure of how much optical power is diffracted into a designated direction compared to the power incident onto the diffractive element of grating.
If the diffra... | Diffraction efficiency | Physics,Chemistry,Materials_science | 213 |
38,053,070 | https://en.wikipedia.org/wiki/Akka%20%28toolkit%29 | Akka is a source-available toolkit and runtime simplifying the construction of concurrent and distributed applications on the JVM. Akka supports multiple programming models for concurrency, but it emphasizes actor-based concurrency, with inspiration drawn from Erlang.
Language bindings exist for both Java and Scala. A... | Akka (toolkit) | Technology | 1,088 |
532,901 | https://en.wikipedia.org/wiki/Aquaphobia | Aquaphobia () is an irrational fear of water.
Aquaphobia is considered a specific phobia of natural environment type in the Diagnostic and Statistical Manual of Mental Disorders. A specific phobia is an intense fear of something that poses little or no actual danger.
Etymology
The correct Greek-derived term for "wat... | Aquaphobia | Environmental_science | 705 |
31,184,651 | https://en.wikipedia.org/wiki/Internet%20influences%20on%20communities | A community is "a body of people or things viewed collectively". According to Steven Brintgregates of people who share common activities and/or beliefs and who are bound together principally by relations of affect, loyalty, common values, and/or personal concern – i.e., interest in the personalities and life events of ... | Internet influences on communities | Technology | 5,211 |
46,932,491 | https://en.wikipedia.org/wiki/Pappus%27s%20area%20theorem | Pappus's area theorem describes the relationship between the areas of three parallelograms attached to three sides of an arbitrary triangle. The theorem, which can also be thought of as a generalization of the Pythagorean theorem, is named after the Greek mathematician Pappus of Alexandria (4th century AD), who discove... | Pappus's area theorem | Physics,Mathematics | 634 |
7,667,249 | https://en.wikipedia.org/wiki/Capability-based%20operating%20system | Capability-based operating system generally refers to an operating system that uses capability-based security.
Examples include:
Hydra
KeyKOS
EROS
Midori
seL4
Genode
Fuchsia
HarmonyOS (Microkernel) (HarmonyOS NEXT)
Phantom OS
Control Program Facility
Capability systems
Operating system security | Capability-based operating system | Technology | 60 |
39,975,515 | https://en.wikipedia.org/wiki/Angelic%20non-determinism | In computer science, angelic non-determinism is the execution of a nondeterministic algorithm where particular choices are declared to always favor a desired result, if that result is possible.
For example, in halting analysis of a Nondeterministic Turing machine, the choices would always favor termination of the prog... | Angelic non-determinism | Mathematics | 101 |
160,832 | https://en.wikipedia.org/wiki/Tunnel | A tunnel is an underground or undersea passageway. It is dug through surrounding soil, earth or rock, or laid under water, and is usually completely enclosed except for the two portals common at each end, though there may be access and ventilation openings at various points along the length. A pipeline differs signific... | Tunnel | Engineering | 12,057 |
48,859,720 | https://en.wikipedia.org/wiki/C27H28N2O3 | {{DISPLAYTITLE:C27H28N2O3}}
The molecular formula C27H28N2O3 (molar mass: 428.52 g/mol, exact mass: 428.2100 u) may refer to:
AdipoRon
Benzodioxolefentanyl | C27H28N2O3 | Chemistry | 68 |
3,735,970 | https://en.wikipedia.org/wiki/Geospatial%20content%20management%20system | A geospatial content management system (GeoCMS) is a content management system where objects (users, images, articles, blogs..) can have a latitude, longitude position to be displayed on an online interactive map. In addition the online maps link to informational pages (wiki pages essentially) on the data represented. ... | Geospatial content management system | Technology | 239 |
43,098,155 | https://en.wikipedia.org/wiki/Eucosma%20rigens | "Eucosma" rigens is a species of moth of the family Tortricidae. It is found in the Democratic Republic of Congo.
References
Moths described in 1938
Eucosmini
Endemic fauna of the Democratic Republic of the Congo
Unplaced names | Eucosma rigens | Biology | 49 |
1,865,916 | https://en.wikipedia.org/wiki/Signalling%20%28economics%29 | Signalling (or signaling; see spelling differences) in contract theory is the idea that one party (the agent) credibly conveys some information about itself to another party (the principal).
Signalling was already discussed and mentioned in the seminal Theory of Games and Economic Behavior, which is considered to be th... | Signalling (economics) | Physics,Mathematics | 5,501 |
43,109,752 | https://en.wikipedia.org/wiki/T.H.%20Tse | T.H. Tse () is a Hong Kong academic who is a professor and researcher in program testing and debugging. He is ranked internationally as the second most prolific author in metamorphic testing.
According to Bruel et al., "Research on integrated formal and informal techniques can trace its roots to the work of T.H. Tse i... | T.H. Tse | Technology | 847 |
27,145,688 | https://en.wikipedia.org/wiki/International%20Association%20for%20Environmental%20Philosophy | The International Association for Environmental Philosophy (IAEP) is a philosophical organization focused on the field of environmental philosophy.
Since 2004 it publishes the peer-reviewed academic journal Environmental Philosophy.
See also
International Society for Environmental Ethics
External links
IAEP websi... | International Association for Environmental Philosophy | Environmental_science | 56 |
6,613,536 | https://en.wikipedia.org/wiki/Animal%20culture | Animal culture can be defined as the ability of non-human animals to learn and transmit behaviors through processes of social or cultural learning.
Culture is increasingly seen as a process, involving the social transmittance of behavior among peers and between generations. It can involve the transmission of novel beh... | Animal culture | Biology | 9,530 |
4,096,680 | https://en.wikipedia.org/wiki/Tunnel%20washer | A tunnel washer, also called a continuous batch washer, is an industrial washing machine designed specifically to handle heavy loads of laundry.
The screw is made of perforated metal, so items can progress through the washer in one direction, while water and washing chemicals move through in the opposite direction. T... | Tunnel washer | Physics,Technology,Engineering | 154 |
44,369,616 | https://en.wikipedia.org/wiki/Acanthocystis%20turfacea%20chlorella%20virus%201 | Acanthocystis turfacea chlorella virus 1 (ATCV-1), also called Chlorovirus ATCV-1 or Chlorella virus ATCV-1 is a species of giant double-stranded DNA virus in the genus Chlorovirus.
The host of ATCV-1 is Chlorella heliozoae; it was demonstrated that "ATCV-1 neither attaches to nor infects" Chlorella variabilis.
Human... | Acanthocystis turfacea chlorella virus 1 | Biology | 208 |
1,315,438 | https://en.wikipedia.org/wiki/Critical%20area%20%28aeronautics%29 | In aviation, a critical area refers to a designated area of an airport that all aircraft, vehicles, persons or physical obstructions must remain clear of when one or more Instrument Landing Systems (ILS) are in use, to protect against signal interference or attenuation that may lead to navigation errors, or accident. C... | Critical area (aeronautics) | Engineering | 467 |
2,983,497 | https://en.wikipedia.org/wiki/Builders%27%20rites | Builders' rites are ceremonies attendant on the laying of foundation stones, including ecclesiastical, masonic or other traditions connected with foundations or other aspects of construction.
One such custom is that of placing a few coins, newspapers, etc. within a cavity beneath the stone. Should the stone later be r... | Builders' rites | Engineering | 403 |
70,037,474 | https://en.wikipedia.org/wiki/Bdellovibrionota | Bdellovibrionota is a phylum of bacteria.
Phylogeny
The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LSPN) and the National Center for Biotechnology Information (NCBI).
See also
List of bacterial orders
List of bacteria genera
References
Bacteria phyla | Bdellovibrionota | Biology | 70 |
18,640 | https://en.wikipedia.org/wiki/List%20of%20Mac%20models%20grouped%20by%20CPU%20type | This list of Mac models grouped by CPU type contains all central processing units (CPUs) used by Apple Inc. for their Mac computers. It is grouped by processor family, processor model, and then chronologically by Mac models.
Motorola 68k
Motorola 68000
The Motorola 68000 was the first Apple Macintosh processor. It ... | List of Mac models grouped by CPU type | Technology | 1,880 |
678,078 | https://en.wikipedia.org/wiki/Inclusive%20fitness | Inclusive fitness is a conceptual framework in evolutionary biology first defined by W. D. Hamilton in 1964. It is primarily used to aid the understanding of how social traits are expected to evolve in structured populations. It involves partitioning an individual's expected fitness returns into two distinct components... | Inclusive fitness | Biology | 4,775 |
3,531,066 | https://en.wikipedia.org/wiki/Discontinuous%20linear%20map | In mathematics, linear maps form an important class of "simple" functions which preserve the algebraic structure of linear spaces and are often used as approximations to more general functions (see linear approximation). If the spaces involved are also topological spaces (that is, topological vector spaces), then it m... | Discontinuous linear map | Mathematics | 2,458 |
80,799 | https://en.wikipedia.org/wiki/Breadboard | A breadboard, solderless breadboard, or protoboard is a construction base used to build semi-permanent prototypes of electronic circuits. Unlike a perfboard or stripboard, breadboards do not require soldering or destruction of tracks and are hence reusable. For this reason, breadboards are also popular with students an... | Breadboard | Technology,Engineering | 3,078 |
25,381,180 | https://en.wikipedia.org/wiki/Pyrrolizidine%20alkaloid%20sequestration | Pyrrolizidine alkaloid sequestration by insects is a strategy to facilitate defense and mating. Various species of insects have been known to use molecular compounds from plants for their own defense and even as their pheromones or precursors to their pheromones. A few Lepidoptera have been found to sequester chemicals... | Pyrrolizidine alkaloid sequestration | Chemistry,Biology | 1,641 |
1,838,280 | https://en.wikipedia.org/wiki/Slutsky%20equation | In microeconomics, the Slutsky equation (or Slutsky identity), named after Eugen Slutsky, relates changes in Marshallian (uncompensated) demand to changes in Hicksian (compensated) demand, which is known as such since it compensates to maintain a fixed level of utility.
There are two parts of the Slutsky equation, n... | Slutsky equation | Mathematics | 1,759 |
147,962 | https://en.wikipedia.org/wiki/Stylobate | In classical Greek architecture, a stylobate () is the top step of the crepidoma, the stepped platform upon which colonnades of temple columns are placed (it is the floor of the temple). The platform was built on a leveling course that flattened out the ground immediately beneath the temple.
Etymology
The term styloba... | Stylobate | Technology,Engineering | 337 |
16,835,402 | https://en.wikipedia.org/wiki/ZNF268 | Zinc finger protein 268 is a protein that in humans is encoded by the ZNF268 gene. ZNF268 is associated with cervical cancer.
References
Further reading | ZNF268 | Chemistry | 37 |
38,428,523 | https://en.wikipedia.org/wiki/Sodium%20ricinoleate | Sodium ricinoleate is the sodium salt of ricinoleic acid, the principal fatty acid derived from castor oil. It is used in making soap, where its molecular structure causes it to lather more easily than comparable sodium soaps derived from fatty acids. It is a bactericide. It exhibits several polymorphic structural pha... | Sodium ricinoleate | Chemistry | 171 |
19,341,001 | https://en.wikipedia.org/wiki/Dual%20Work%20Exchanger%20Energy%20Recovery | The Dual Work Exchanger Energy Recovery (DWEER) is an energy recovery device. In the 1990s developed by DWEER Bermuda and licensed by Calder AG for use in the Caribbean. Seawater reverse osmosis (SWRO) needs high pressure and some of the reject stream can be reused by using this device. According to Calder AG, 97% of t... | Dual Work Exchanger Energy Recovery | Chemistry | 173 |
78,222,241 | https://en.wikipedia.org/wiki/Hortiboletus%20coccyginus | Hortiboletus coccyginus, commonly known as the sumac-colored bolete, is a species of mushroom in the genus Hortiboletus. It is rare.
Taxonomy
Hortiboletus coccyginus was first described in California in 1975. Back then, it was known as Boletus coccyginus. In 2020, JL Frank transferred it to the genus Hortiboletus.
D... | Hortiboletus coccyginus | Biology | 226 |
21,397,748 | https://en.wikipedia.org/wiki/ACube%20Systems%20Srl | ACube Systems Srl is a company that started in January 2007 from the synergy of the Italian companies Alternative Holding Group Srl, Soft3 and Virtual Works.
The three companies have been engaged in the areas of sale, distribution and engineering of hardware and software for mainstream systems and alternative platform... | ACube Systems Srl | Technology | 214 |
41,419,956 | https://en.wikipedia.org/wiki/Description-experience%20gap | The description-experience gap is a phenomenon in experimental behavioral studies of decision making. The gap refers to the observed differences in people's behavior depending on whether their decisions are made towards clearly outlined and described outcomes and probabilities or whether they simply experience the alt... | Description-experience gap | Biology | 1,775 |
17,548,151 | https://en.wikipedia.org/wiki/Comparison%20of%20real-time%20operating%20systems | This is a list of real-time operating systems (RTOSs). This is an operating system in which the time taken to process an input stimulus is less than the time lapsed until the next input stimulus of the same type.
References
External links
2024 RTOS Performance Report (FreeRTOS / ThreadX / PX5 / Zephyr) - Beningo Emb... | Comparison of real-time operating systems | Technology | 105 |
6,887,590 | https://en.wikipedia.org/wiki/Diosgenin | Diosgenin, a phytosteroid sapogenin, is the product of hydrolysis by acids, strong bases, or enzymes of saponins, extracted from the tubers of Dioscorea wild yam species, such as the Kokoro. It is also present in smaller amounts in a number of other species. The sugar-free (aglycone) product of such hydrolysis, dios... | Diosgenin | Chemistry | 409 |
41,479,084 | https://en.wikipedia.org/wiki/Altered%20Schaedler%20flora | The altered Schaedler flora (ASF) is a community of eight bacterial species: two lactobacilli, one Bacteroides, one spiral bacterium of the Flexistipes genus, and four extremely oxygen sensitive (EOS) fusiform-shaped species. The bacteria are selected for their dominance and persistence in the normal microflora of mice... | Altered Schaedler flora | Biology | 3,090 |
65,045,843 | https://en.wikipedia.org/wiki/List%20of%20countries%20by%20thorium%20resources | Thorium resources are the estimated mineral reserves of thorium on Earth. Thorium is a future potential source of low-carbon energy. Thorium has been demonstrated to perform as a nuclear fuel in several reactor designs. It is present with a higher abundance than uranium in the crust of the earth. Thorium resources have... | List of countries by thorium resources | Physics | 200 |
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