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 |
|---|---|---|---|---|---|
862,898 | https://en.wikipedia.org/wiki/Absolute%20space%20and%20time | Absolute space and time is a concept in physics and philosophy about the properties of the universe. In physics, absolute space and time may be a preferred frame.
Early concept
A version of the concept of absolute space (in the sense of a preferred frame) can be seen in Aristotelian physics. Robert S. Westman writes t... | Absolute space and time | Physics,Astronomy | 1,600 |
26,683,958 | https://en.wikipedia.org/wiki/Data%20validation%20and%20reconciliation | Industrial process data validation and reconciliation, or more briefly, process data reconciliation (PDR), is a technology that uses process information and mathematical methods in order to automatically ensure data validation and reconciliation by correcting measurements in industrial processes. The use of PDR allows ... | Data validation and reconciliation | Technology | 3,675 |
54,564,975 | https://en.wikipedia.org/wiki/G18P | G18P or RVA/pigeon-wt/AUS/VIC/2016/G18P[17] is a strain of Rotavirus A infecting and killing domestic pigeons. This disease is found in Western Australia, Victoria, and South Australia.
References
Rotaviruses
Infraspecific virus taxa | G18P | Biology | 68 |
61,515,200 | https://en.wikipedia.org/wiki/C18H20INO4 | {{DISPLAYTITLE:C18H20INO4}}
The molecular formula C18H20INO4 (molar mass: 441.260 g/mol, exact mass: 441.0437 u) may refer to:
25I-NB34MD (NB34MD-2C-I)
25I-NBMD
Molecular formulas | C18H20INO4 | Physics,Chemistry | 77 |
24,169,694 | https://en.wikipedia.org/wiki/Urethral%20intercourse | Urethral intercourse or coitus par urethra is sexual penetration of the female urethra by an object such as a penis or a finger. It is not to be confused with urethral sounding, the act of inserting a specialized medical tool into the urethra (for both males and females) as a form of sexual or fetishistic activity.
T... | Urethral intercourse | Biology | 328 |
42,761,360 | https://en.wikipedia.org/wiki/Trumpler%2014 | Trumpler 14 (Tr 14) is an open cluster with a diameter of , located within the inner regions of the Carina Nebula, approximately from Earth. Together with the nearby Trumpler 16, they are the main clusters of the Carina OB1 stellar association, which is the largest association in the Carina Nebula, although Trumpler 1... | Trumpler 14 | Astronomy | 342 |
4,530,419 | https://en.wikipedia.org/wiki/Genomic%20island | A genomic island (GI) is part of a genome that has evidence of horizontal origins. The term is usually used in microbiology, especially with regard to bacteria. A GI can code for many functions, can be involved in symbiosis or pathogenesis, and may help an organism's adaptation. Many sub-classes of GIs exist that are b... | Genomic island | Biology | 742 |
6,282,752 | https://en.wikipedia.org/wiki/Cost%20escalation | Cost escalation can be defined as changes in the cost or price of specific goods or services in a given economy over a period. This is similar to the concepts of inflation and deflation except that escalation is specific to an item or class of items (not as general in nature), it is often not primarily driven by change... | Cost escalation | Engineering | 428 |
2,846,775 | https://en.wikipedia.org/wiki/Alexander%27s%20trick | Alexander's trick, also known as the Alexander trick, is a basic result in geometric topology, named after J. W. Alexander.
Statement
Two homeomorphisms of the n-dimensional ball which agree on the boundary sphere are isotopic.
More generally, two homeomorphisms of that are isotopic on the boundary are isotopic.
... | Alexander's trick | Mathematics | 469 |
9,253,234 | https://en.wikipedia.org/wiki/Keidel%20vacuum | The Keidel vacuum tube was a type of blood collecting device, first manufactured by Hynson, Wescott and Dunning in around 1922. This vacuum was one of the first evacuated systems, predating the more well known Vacutainer. Its primary use was to test for syphilis and typhoid fever.
Process
Essentially, the Keidel vacu... | Keidel vacuum | Chemistry | 235 |
22,051,699 | https://en.wikipedia.org/wiki/S-Aminoethyl-L-cysteine | {{DISPLAYTITLE:S-Aminoethyl-L-cysteine}}
S-Aminoethyl--cysteine, also known as thialysine, is a toxic analog of the amino acid lysine in which the second carbon of the amino acid's R-group (side chain) has been replaced with a sulfur atom.
Strictly speaking, L-thialysine is actually considered an S-(2-aminoethyl) ana... | S-Aminoethyl-L-cysteine | Chemistry | 186 |
3,505,075 | https://en.wikipedia.org/wiki/Colocalization | In fluorescence microscopy, colocalization refers to observation of the spatial overlap between two (or more) different fluorescent labels, each having a separate emission wavelength, to see if the different "targets" are located in the same area of the cell or very near to one another. The definition can be split into... | Colocalization | Chemistry | 1,281 |
44,059,352 | https://en.wikipedia.org/wiki/Penveu | The penveu is a pen-like device developed by the American company, Interphase, for use with digital audio-visual presentations.
History
In 1991, SMART Technologies introduced an Interactive Whiteboard, on which the image from a projector was displayed. A USB connection allowed the presenter to virtually interact with... | Penveu | Engineering | 430 |
21,117,094 | https://en.wikipedia.org/wiki/Amorphous%20silica-alumina | Amorphous silica-alumina is a synthetic substance that is used as a catalyst or catalyst support. It can be prepared in a number of ways for example:
Precipitation of hydrous alumina onto amorphous silica hydrogel
Reacting a silica sol with an alumina sol
Coprecipitation from sodium silicate / aluminium salt solutio... | Amorphous silica-alumina | Chemistry | 282 |
67,716,845 | https://en.wikipedia.org/wiki/Web%20skimming | Web skimming, formjacking or a magecart attack is an attack in which the attacker injects malicious code into a website and extracts data from an HTML form that the user has filled in. That data is then submitted to a server under control of the attacker.
Mitigation
Subresource Integrity or a Content Security Policy ... | Web skimming | Technology | 441 |
12,917,747 | https://en.wikipedia.org/wiki/Sulfophobococcus | Sulfophobococcus is a genus of the Desulfurococcaceae.
See also
List of Archaea genera
References
Further reading
Scientific journals
External links
Monotypic archaea genera
Thermoproteota | Sulfophobococcus | Biology | 45 |
7,719,047 | https://en.wikipedia.org/wiki/Hollander%20beater | A Hollander beater is a machine developed by the Dutch in 1680 to produce paper pulp from cellulose containing plant fibers. It replaced stamp mills for preparing pulp because the Hollander could produce in one day the same quantity of pulp it would take a stamp mill eight days to prepare.
However, the wooden paddles... | Hollander beater | Chemistry,Engineering | 526 |
44,728,150 | https://en.wikipedia.org/wiki/Filial%20therapy | Filial therapy is a type of psychotherapy designed to treat emotional and behavioral difficulties in children; it was formulated by Bernard Guerney in 1964. It is based on the principles of play therapy; however, it is distinct from it, in that it teaches parents (or other paraprofessionals) how to provide therapeutic ... | Filial therapy | Biology | 275 |
31,441,686 | https://en.wikipedia.org/wiki/Gladding%2C%20McBean | Gladding, McBean is a ceramics company located in Lincoln, California. It is one of the oldest companies in California, a pioneer in ceramics technology, and a company which has "contributed immeasurably" to the state's industrialization. During the heyday of architectural terra cotta, the company "dominated the indu... | Gladding, McBean | Engineering | 1,633 |
14,179,322 | https://en.wikipedia.org/wiki/ATF6 | Activating transcription factor 6, also known as ATF6, is a protein that, in humans, is encoded by the ATF6 gene and is involved in the unfolded protein response.
Function
ATF6 is an endoplasmic reticulum (ER) stress-regulated transmembrane transcription factor that activates the transcription of ER molecules. Accu... | ATF6 | Chemistry,Biology | 163 |
1,811,292 | https://en.wikipedia.org/wiki/Functional%20selectivity | Functional selectivity (or “agonist trafficking”, “biased agonism”, “biased signaling”, "ligand bias" and “differential engagement”) is the ligand-dependent selectivity for certain signal transduction pathways relative to a reference ligand (often the endogenous hormone or peptide) at the same receptor. Functional sele... | Functional selectivity | Chemistry,Biology | 1,282 |
374,669 | https://en.wikipedia.org/wiki/Standard%20library | In computer programming, a standard library is the library made available across implementations of a programming language. Often, a standard library is specified by its associated programming language specification, however, some are set in part or whole by more informal practices of a language community.
Some langua... | Standard library | Technology | 558 |
65,742,191 | https://en.wikipedia.org/wiki/Bilibili%20Video%20Satellite | Bilibili Video Satellite was launched by Long March 11 on Yellow Sea waters on 15 September 2020. It was China's first custom-made satellite by Chinese internet company Bilibili. The satellite was developed by Chang Guang Satellite Technology Corporation.
Mission
Bilibili vice chairman and COO Li Ni (李旎) said in 2020... | Bilibili Video Satellite | Astronomy | 332 |
2,539,793 | https://en.wikipedia.org/wiki/XML%20Information%20Set | XML Information Set (XML Infoset) is a W3C specification describing an abstract data model of an XML document in terms of a set of information items. The definitions in the XML Information Set specification are meant to be used in other specifications that need to refer to the information in a well-formed XML document.... | XML Information Set | Technology | 442 |
33,447,798 | https://en.wikipedia.org/wiki/Canberra%20distance | The Canberra distance is a numerical measure of the distance between pairs of points in a vector space, introduced in 1966
and refined in 1967 by Godfrey N. Lance and William T. Williams. It is a weighted version of L₁ (Manhattan) distance.
The Canberra distance has been used as a metric for comparing ranked lists and ... | Canberra distance | Physics,Mathematics | 166 |
662,173 | https://en.wikipedia.org/wiki/Endoskeleton | An endoskeleton (From Greek ἔνδον, éndon = "within", "inner" + σκελετός, skeletos = "skeleton") is a structural frame (skeleton) on the inside of an animal, overlaid by soft tissues and usually composed of mineralized tissue. Endoskeletons serve as structural support against gravity and mechanical loads, and provide an... | Endoskeleton | Physics,Biology | 1,755 |
11,421,501 | https://en.wikipedia.org/wiki/S-element | The S-element is an RNA element found in p42d and related plasmids. The S-element has multiple functions and is believed to act as a negative regulator of repC transcription, and be required for efficient replication and act as a translational enhancer of repC.
See also
ctRNA
References
External links
Cis-regul... | S-element | Chemistry | 73 |
12,128,498 | https://en.wikipedia.org/wiki/Arizona%20room | An Arizona room is a screened porch found frequently in homes in Arizona, based on similar concepts as the Florida room. Though often a patio or porch that has been covered and screened-in, creating an outdoor feeling while preventing excessive heat and keeping insects and animals out, many Arizona rooms are purpose bu... | Arizona room | Engineering | 177 |
38,792,732 | https://en.wikipedia.org/wiki/Prenda%20Law | Prenda Law, also known as Steele | Hansmeier PLLP and Anti-Piracy Law Group, was a Chicago-based law firm that ostensibly operated by undertaking litigation against copyright infringement. However, it was later characterized by the United States District Court for Central California in a May 2013 ruling as a "porno-tro... | Prenda Law | Technology | 10,461 |
60,972,435 | https://en.wikipedia.org/wiki/Metaphenomics | Metaphenomics studies the phenome of plants or other organisms by means of meta-analysis. Main goal is to establish dose-response relationships of a wide range of phenotypic traits for a large set of a-biotic environmental factors.
Rationale
A popular way to study the effect of the environment on plants is to set up ... | Metaphenomics | Biology | 458 |
14,757,643 | https://en.wikipedia.org/wiki/Stream%20restoration | Stream restoration or river restoration, also sometimes referred to as river reclamation, is work conducted to improve the environmental health of a river or stream, in support of biodiversity, recreation, flood management and/or landscape development.
Stream restoration approaches can be divided into two broad catego... | Stream restoration | Physics,Chemistry,Engineering,Environmental_science | 3,882 |
705,600 | https://en.wikipedia.org/wiki/Ces%C3%A0ro%20summation | In mathematical analysis, Cesàro summation (also known as the Cesàro mean or Cesàro limit) assigns values to some infinite sums that are not necessarily convergent in the usual sense. The Cesàro sum is defined as the limit, as n tends to infinity, of the sequence of arithmetic means of the first n partial sums of the s... | Cesàro summation | Physics,Mathematics | 875 |
12,965,053 | https://en.wikipedia.org/wiki/Wigner%E2%80%93Seitz%20radius | The Wigner–Seitz radius , named after Eugene Wigner and Frederick Seitz, is the radius of a sphere whose volume is equal to the mean volume per atom in a solid (for first group metals). In the more general case of metals having more valence electrons, is the radius of a sphere whose volume is equal to the volume per a... | Wigner–Seitz radius | Physics,Chemistry | 291 |
96,423 | https://en.wikipedia.org/wiki/Kumulipo | In Hawaiian religion, the Kumulipo is the creation chant, first recorded in the 18th century. It also includes a genealogy of the members of Hawaiian royalty and was created in honor of Kalaninuiamamao and passed down orally to his daughter Alapaiwahine.
Creation chant
In the Kumulipo the world was created over a cos... | Kumulipo | Astronomy | 2,220 |
6,241,959 | https://en.wikipedia.org/wiki/Nanocomputer | Nanocomputer refers to a computer smaller than the microcomputer, which is smaller than the minicomputer.
Microelectronic components that are at the core of all modern electronic devices employ semiconductor transistors. The term nanocomputer is increasingly used to refer to general computing devices of size comparab... | Nanocomputer | Materials_science,Technology | 435 |
18,485,004 | https://en.wikipedia.org/wiki/Efaroxan | Efaroxan is an α2-adrenergic receptor antagonist and antagonist of the imidazoline receptor.
Synthesis
The Darzens reaction between 2-fluorobenzaldehyde [57848-46-1] (1) and Ethyl 2-bromobutyrate [533-68-6] (2) gives ethyl 2-ethyl-3-(2-fluorophenyl)oxirane-2-carboxylate, CID:100942311 (3). A catalytic hydrogenation o... | Efaroxan | Chemistry | 329 |
29,549,852 | https://en.wikipedia.org/wiki/Hilbert%E2%80%93Bernays%20provability%20conditions | In mathematical logic, the Hilbert–Bernays provability conditions, named after David Hilbert and Paul Bernays, are a set of requirements for formalized provability predicates in formal theories of arithmetic (Smith 2007:224).
These conditions are used in many proofs of Kurt Gödel's second incompleteness theorem. They ... | Hilbert–Bernays provability conditions | Mathematics | 1,030 |
69,136,119 | https://en.wikipedia.org/wiki/List%20of%20fungi%20of%20South%20Africa%20%E2%80%93%20G | This is an alphabetical list of fungal taxa as recorded from South Africa. Currently accepted names have been appended.
Ga
Genus: Galera (Fr.) P. Kumm. 1871
Galera eatoni (Berk.) Sacc
Galera hypnorum (Batsch) Quél. 1872
Galera lateritia Quel. (sic) possibly (Fr.) P. Kumm. 1871
Galera peroxydata (Berk.) Sacc. 1887, acc... | List of fungi of South Africa – G | Biology | 5,424 |
67,910,349 | https://en.wikipedia.org/wiki/List%20of%20organisms%20named%20after%20famous%20people%20%28born%201950%E2%80%93present%29 | In biological nomenclature, organisms often receive scientific names that honor a person. A taxon (e.g., species or genus; plural: taxa) named in honor of another entity is an eponymous taxon, and names specifically honoring a person or persons are known as patronyms. Scientific names are generally formally published i... | List of organisms named after famous people (born 1950–present) | Biology | 495 |
66,489,058 | https://en.wikipedia.org/wiki/Drepanopeziza%20sphaerioides | Drepanopeziza sphaerioides is a species of fungus belonging to the family Drepanopezizaceae.
Synonym: Marssonina salicicola (Bres.) Magnus, 1906
References
Helotiales
Fungus species | Drepanopeziza sphaerioides | Biology | 52 |
779,220 | https://en.wikipedia.org/wiki/Mission%20control%20center | A mission control center (MCC, sometimes called a flight control center or operations center) is a facility that manages space flights, usually from the point of launch until landing or the end of the mission. It is part of the ground segment of spacecraft operations. A staff of flight controllers and other support per... | Mission control center | Astronomy,Engineering | 1,233 |
57,794 | https://en.wikipedia.org/wiki/Fractal%20antenna | A fractal antenna is an antenna that uses a fractal, self-similar design to maximize the effective length, or increase the perimeter (on inside sections or the outer structure), of material that can receive or transmit electromagnetic radiation within a given total surface area or volume.
Such fractal antennas are als... | Fractal antenna | Mathematics | 1,451 |
50,968,757 | https://en.wikipedia.org/wiki/Oligotyping%20%28taxonomy%29 | Oligotyping is a diagnostic or molecular biological method for classification of organisms by short intervals of primary DNA sequence.
Oligotyping 'systems' are sets of recognized target sequences which identify the members of the categories within the classification. The classification may be for the purpose of prim... | Oligotyping (taxonomy) | Chemistry,Biology | 139 |
9,017,360 | https://en.wikipedia.org/wiki/Jumeirah%20Beach%20Hotel | Jumeirah Beach Hotel is a luxury hotel in Dubai, United Arab Emirates. The hotel, which opened in 1997, is operated by the Dubai-based hotelier Jumeirah. The hotel contains 598 rooms and suites, 19 beachfront villas, and 20 restaurants and bars. This wave-shaped hotel complements the sail-shaped Burj Al Arab, which ... | Jumeirah Beach Hotel | Engineering | 357 |
48,472,119 | https://en.wikipedia.org/wiki/32%20Tauri | 32 Tauri is the Flamsteed designation for a solitary star in the zodiac constellation of Taurus. It has a visual magnitude of 5.64, making it visible to the naked eye from suburban skies (according to the Bortle scale). The position of this star near the ecliptic plane means that it is subject to occultations by the Mo... | 32 Tauri | Astronomy | 286 |
72,073,447 | https://en.wikipedia.org/wiki/Hypersonic%20Attack%20Cruise%20Missile | The Hypersonic Attack Cruise Missile (HACM; pronounced Ha-sehm) is an Australian-American scramjet-powered hypersonic air-launched cruise missile project, the successor of the Hypersonic Air-breathing Weapon Concept (HAWC) and the SCIFiRE hypersonic programs.
Technology developed for the HAWC demonstrator was used to ... | Hypersonic Attack Cruise Missile | Astronomy | 571 |
63,196,821 | https://en.wikipedia.org/wiki/Pierre%20Peytier | Pierre Peytier - Jean Pierre Eugène Félicien Peytier (15 October 17931864), sometimes named Eugène Peytier - was a French officer, geographer, engineer, cartographer and painter.
Life
Pierre Peytier entered the École polytechnique in 1811, where he obtained his diploma (X1811). He was then integrated into the topogra... | Pierre Peytier | Mathematics | 1,283 |
42,928,707 | https://en.wikipedia.org/wiki/Isentropic%20expansion%20waves | In fluid dynamics, isentropic expansion waves are created when a supersonic flow is redirected along a curved surface. These waves are studied to obtain a relation between deflection angle and Mach number. Each wave in this case is a Mach wave, so it is at an angle where is the Mach number immediately before the wave... | Isentropic expansion waves | Physics,Chemistry | 554 |
11,710,718 | https://en.wikipedia.org/wiki/Well%20drainage | Well drainage means drainage of agricultural lands by wells. Agricultural land is drained by pumped wells (vertical drainage) to improve the soils by controlling water table levels and soil salinity.
Introduction
Subsurface (groundwater) drainage for water table and soil salinity in agricultural land can be done by ho... | Well drainage | Physics,Chemistry,Engineering,Environmental_science | 974 |
11,299,724 | https://en.wikipedia.org/wiki/1%2C2-Bis%28dimethylarsino%29benzene | 1,2-Bis(dimethylarsino)benzene (diars) is the organoarsenic compound with the formula CH(As(CH)). The molecule consists of two dimethylarsino groups attached to adjacent carbon centers of a benzene ring. It is a chelating ligand in coordination chemistry. This colourless oil is commonly abbreviated "diars."
Coordinati... | 1,2-Bis(dimethylarsino)benzene | Chemistry | 473 |
13,336,054 | https://en.wikipedia.org/wiki/Powerset%20%28company%29 | Powerset was an American company based in San Francisco, California, that, in 2006, was developing a natural language search engine for the Internet. On July 1, 2008, Powerset was acquired by Microsoft for an estimated $100 million (~$ in ).
Powerset was working on building a natural language search engine that could ... | Powerset (company) | Technology | 1,254 |
36,288,404 | https://en.wikipedia.org/wiki/Anton%20Strauss | Anton Strauss (1858, Kamianka - ?) – mining engineer, inventor, partner of the famous architect Vladislav Gorodetsky, an entrepreneur, Kiev Yacht Club commodore, actual state councilor.
Family
Anton Strauss descended from a noble family of German descent.
Father – Emil Christian Dietrich Strauss was born in Witzenha... | Anton Strauss | Engineering | 1,150 |
577,340 | https://en.wikipedia.org/wiki/California%20State%20University%2C%20Fullerton | California State University, Fullerton (CSUF or Cal State Fullerton) is a public research university in Fullerton, California. With a total enrollment of more than 41,000, it has the largest student body of the California State University (CSU) system, and its graduate student body of more than 5,000 is one of the larg... | California State University, Fullerton | Materials_science,Engineering | 2,225 |
36,045,138 | https://en.wikipedia.org/wiki/Chamber%20of%20Computer%20Engineers%20of%20Turkey | Chamber of Computer Engineers of Turkey (, abbreviated BMO) was founded on 2 June 2012.
Formerly, the computer engineers in Turkey were the members of Chamber of Electrical Engineers of Turkey. But, on 9 March 2011 computer engineers decided to form their own chamber. The regulatory board announced that each year abo... | Chamber of Computer Engineers of Turkey | Technology,Engineering | 137 |
46,553,491 | https://en.wikipedia.org/wiki/List%20of%20countries%20by%20refined%20petroleum%20exports | The following is a list of countries by exports of refined petroleum, including gasoline. Data is for 2023, in billions of United States dollars.
Currently, the top 10 countries are listed according to Worlds Top Exports ranking.
References
Refined petroleum
Refined petroleum exports
Exports, refined
Petroleum econ... | List of countries by refined petroleum exports | Chemistry | 57 |
10,888,763 | https://en.wikipedia.org/wiki/Hoffmann%20kiln | The Hoffmann kiln is a series of batch process kilns. Hoffmann kilns are the most common kiln used in production of bricks and some other ceramic products. Patented by German Friedrich Hoffmann for brickmaking in 1858, it was later used for lime-burning, and was known as the Hoffmann continuous kiln.
Construction and... | Hoffmann kiln | Chemistry,Engineering | 1,235 |
24,344,478 | https://en.wikipedia.org/wiki/GVA%20Consultants | GVA Consultants was a Swedish marine and offshore engineering company specialising in the design of offshore structures, and semi-submersible platforms.
History
The experience of GVA as a marine engineering company stretches back more than 25 years. There is an even longer history of building ships of various types, s... | GVA Consultants | Engineering | 453 |
14,640,744 | https://en.wikipedia.org/wiki/Turtle%20Island | Turtle Island is a name for Earth or North America, used by some American Indigenous peoples, as well as by some Indigenous rights activists. The name is based on a creation myth common to several indigenous peoples of the Northeastern Woodlands of North America.
A number of contemporary works continue to use and/or ... | Turtle Island | Astronomy | 2,836 |
4,406,537 | https://en.wikipedia.org/wiki/Sun%20SPOT | Sun SPOT (Sun Small Programmable Object Technology) was a sensor node for a wireless sensor network developed by Sun Microsystems announced in 2007. The device used the IEEE 802.15.4 standard for its networking, and unlike other available sensor nodes, used the Squawk Java virtual machine.
After the acquisition of Su... | Sun SPOT | Materials_science,Technology,Engineering | 784 |
56,563,719 | https://en.wikipedia.org/wiki/Dragon%27s%20Breath%20%28dessert%29 | The dragon's Breath is a frozen dessert made from cereal dipped in liquid nitrogen. When placed in the eater's mouth, it produces vapors which comes out of the nose and mouth, giving the dessert its name.
Description
Dragon's Breath is made using colorful cereal balls described as having a flavor similar to Froot Loop... | Dragon's Breath (dessert) | Physics | 502 |
12,869,384 | https://en.wikipedia.org/wiki/Astrobiology%20%28journal%29 | Astrobiology is a peer-reviewed scientific journal covering research on the origin, evolution, distribution and future of life across the universe. The journal's scope includes astrobiology, astrophysics, astropaleontology, bioastronomy, cosmochemistry, ecogenomics, exobiology, extremophiles, geomicrobiology, gravitati... | Astrobiology (journal) | Astronomy | 168 |
59,829,183 | https://en.wikipedia.org/wiki/Hazel%20Reeves | Hazel Reeves, MRSS SWA is a British sculptor based in Sussex, England, who specialises in figure and portrait commissions in bronze. Her work has been shown widely across England and Wales. Public commissions can be found in Carlisle, London, Congleton and Manchester. Since 2021, Reeves' work increasingly embraces soun... | Hazel Reeves | Engineering | 1,085 |
54,186,204 | https://en.wikipedia.org/wiki/Normustine | Normustine, also known as bis(2-chloroethyl)carbamic acid, is a nitrogen mustard and alkylating antineoplastic agent (i.e., chemotherapy agent). It is a metabolite of a number of antineoplastic agents that have been developed for the treatment of tumors, including estramustine phosphate, alestramustine, cytestrol aceta... | Normustine | Chemistry | 144 |
18,013,064 | https://en.wikipedia.org/wiki/HD%2040307%20b | HD 40307 b is an extrasolar planet orbiting the star HD 40307, located 42 light-years away in the direction of the southern constellation Pictor. The planet was discovered by the radial velocity method, using the European Southern Observatory's HARPS apparatus, in June 2008. It is the second smallest of the planets or... | HD 40307 b | Astronomy | 663 |
40,925,603 | https://en.wikipedia.org/wiki/Oliceridine | Oliceridine, sold under the brand name Olinvyk, is an opioid medication that is used for the treatment of moderate to severe acute pain in adults. It is given by intravenous (IV) injection.
The most common side effects include nausea, vomiting, dizziness, headache, constipation, itchy skin and low oxygen levels in blo... | Oliceridine | Chemistry | 1,224 |
48,781,047 | https://en.wikipedia.org/wiki/Glossary%20of%20algebraic%20topology | This is a glossary of properties and concepts in algebraic topology in mathematics.
See also: glossary of topology, list of algebraic topology topics, glossary of category theory, glossary of differential geometry and topology, Timeline of manifolds.
Convention: Throughout the article, I denotes the unit interval, Sn... | Glossary of algebraic topology | Mathematics | 475 |
38,195,771 | https://en.wikipedia.org/wiki/NGC%205477 | NGC 5477 is a dwarf galaxy located in the constellation of Ursa Major, 20 million light years away from Earth. It was discovered on April 14, 1789, by the astronomer William Herschel.
References
External links
Dwarf galaxies
Ursa Major
5477
09018
M101 Group
50262
Magellanic spiral galaxies | NGC 5477 | Astronomy | 68 |
871,458 | https://en.wikipedia.org/wiki/Li%20Fan%20%28Han%20dynasty%29 | Li Fan () was a Chinese astronomer during the Han dynasty (202 BC – 220 AD).
He noticed that the Moon does not move uniformly through its phases by using background stars as reference. In 85 Li Fan and Bian Xin () were tasked by Emperor Zhang to resolve inaccuracies in the Taichu calendar. He is also known to have wor... | Li Fan (Han dynasty) | Astronomy | 183 |
14,878,404 | https://en.wikipedia.org/wiki/MTA3 | Metastasis-associated protein MTA3 is a protein that in humans is encoded by the MTA3 gene. MTA3 protein localizes in the nucleus as well as in other cellular compartments MTA3 is a component of the nucleosome remodeling and deacetylate (NuRD) complex and participates in gene expression. The expression pattern of MTA3 ... | MTA3 | Chemistry,Biology | 1,053 |
71,890,151 | https://en.wikipedia.org/wiki/Vercel | Vercel Inc., formerly ZEIT, is an American cloud platform as a service company. The company maintains the Next.js web development framework.
Vercel's architecture is built around composable architecture, and deployments are handled through Git repositories, the Vercel CLI, or the Vercel REST API. Vercel is a member of... | Vercel | Technology | 376 |
5,143,623 | https://en.wikipedia.org/wiki/Rabi%20problem | The Rabi problem concerns the response of an atom to an applied harmonic electric field, with an applied frequency very close to the atom's natural frequency. It provides a simple and generally solvable example of light–atom interactions and is named after Isidor Isaac Rabi.
Classical Rabi problem
In the classical ... | Rabi problem | Physics,Chemistry,Materials_science | 1,444 |
13,207,749 | https://en.wikipedia.org/wiki/Snow%20pillow | A snow pillow is a device for measuring snowpack, especially for automated reporting stations such as SNOTEL.
The snow pillow measures the water equivalent of the snow pack based on hydrostatic pressure created by overlying snow. Any discrepancy due to bridging is minimized by the large dimension of the pillow, typic... | Snow pillow | Technology,Engineering | 190 |
67,300,389 | https://en.wikipedia.org/wiki/Allan%20David%20Stephen%20Barr | Allan David Stephen Barr (A. D. S. Barr) (11 September 1930 – 11 February 2018) was a British Chartered Engineer who was a professor at the University of Aberdeen.
Barr was selected as Fellow of the Royal Society of Edinburgh in 1983.
Family
Allan David Stephen Barr was born on 11 September 1930, in Glasgow, Scotlan... | Allan David Stephen Barr | Engineering | 695 |
13,384,414 | https://en.wikipedia.org/wiki/Bessel%27s%20correction | In statistics, Bessel's correction is the use of n − 1 instead of n in the formula for the sample variance and sample standard deviation, where n is the number of observations in a sample. This method corrects the bias in the estimation of the population variance. It also partially corrects the bias in the estimation o... | Bessel's correction | Mathematics | 2,490 |
13,092,651 | https://en.wikipedia.org/wiki/Cell%20synchronization | Cell synchronization is a process by which cells in a culture at different stages of the cell cycle are brought to the same phase. Cell synchrony is a vital process in the study of cells progressing through the cell cycle as it allows population-wide data to be collected rather than relying solely on single-cell experi... | Cell synchronization | Biology | 2,263 |
5,244,767 | https://en.wikipedia.org/wiki/Clean%20configuration | Clean configuration is the flight configuration of a fixed-wing aircraft when its external equipment is retracted to minimize drag, and thus maximize airspeed for a given power setting.
For most airplanes, clean configuration means simply that the wing flaps and landing gear are retracted, as these are the cause of dr... | Clean configuration | Engineering | 154 |
648,102 | https://en.wikipedia.org/wiki/Caulk | Caulk (also known as caulking and calking) is a material used to seal joints or seams against leakage in various structures and piping.
The oldest form of caulk consisted of fibrous materials driven into the wedge-shaped seams between boards on wooden boats or ships. Cast iron sewerage pipes were formerly caulked in a... | Caulk | Physics,Engineering | 1,158 |
51,350,263 | https://en.wikipedia.org/wiki/Nitrolysis | Nitrolysis is a chemical reaction involving cleavage ("lysis") of a chemical bond concomitant with installation of a nitro group (NO2). Typical reagents for effecting this conversion are nitric acid and acetyl nitrate. A commercially important nitrolysis reaction is the conversion of hexamine to nitramide. Nitrolysis... | Nitrolysis | Chemistry | 117 |
78,549,514 | https://en.wikipedia.org/wiki/NGC%201155 | NGC 1155 is a lenticular galaxy located in the constellation Eridanus. It was discovered by Francis Leavenworth in 1886. The galaxy is classified as type S0 and has an apparent magnitude of 13.4.
Observation
NGC 1155 can be observed in the southern sky, located at a right ascension of 02h 58m 13.0s and a declination ... | NGC 1155 | Astronomy | 140 |
167,718 | https://en.wikipedia.org/wiki/Porcelain | Porcelain, also called china () is a ceramic material made by heating raw materials, generally including kaolinite, in a kiln to temperatures between . The greater strength and translucence of porcelain, relative to other types of pottery, arise mainly from vitrification and the formation of the mineral mullite within ... | Porcelain | Physics,Engineering | 6,431 |
7,870,826 | https://en.wikipedia.org/wiki/Stephan%20K%C3%B6rner | Stephan Körner, FBA (26 September 1913 – 17 August 2000) was a British philosopher, who specialised in the work of Kant, the study of concepts, and in the philosophy of mathematics.
Born to a Jewish family in what would soon become Czechoslovakia, Körner left that country to avoid certain death at the hands of the Naz... | Stephan Körner | Mathematics | 2,698 |
48,592,395 | https://en.wikipedia.org/wiki/Stirrup%20pump | A stirrup pump is a portable reciprocating water pump used to extinguish or control small fires. It is operated by hand. The operator places a foot on a stirrup-like bracket at the bottom of the pump to hold the pump steady, the bottom of the suction cylinder is placed inside a bucket of water.
References
External li... | Stirrup pump | Physics,Chemistry | 90 |
1,007,613 | https://en.wikipedia.org/wiki/Bell%20state | In quantum information science, the Bell's states or EPR pairs are specific quantum states of two qubits that represent the simplest examples of quantum entanglement. The Bell's states are a form of entangled and normalized basis vectors. This normalization implies that the overall probability of the particles being in... | Bell state | Physics | 2,648 |
50,569,286 | https://en.wikipedia.org/wiki/Limbitless%20Solutions | Limbitless Solutions is a 501(c)(3) non-profit organization founded in the United States that uses additive manufacturing (3D printing) to create accessible, yet affordable personalized bionics and prosthetic partial arms for children with limb deltas The organization says their bionic arms are manufactured for under ... | Limbitless Solutions | Technology,Engineering,Biology | 1,077 |
991,459 | https://en.wikipedia.org/wiki/Hopper%20crystal | A hopper crystal is a form of crystal, the shape of which resembles that of a pyramidal hopper container.
The edges of hopper crystals are fully developed, but the interior spaces are not filled in. This results in what appears to be a hollowed out step lattice formation, as if someone had removed interior sections of... | Hopper crystal | Chemistry,Materials_science | 373 |
6,966 | https://en.wikipedia.org/wiki/Chinese%20calendar | The traditional Chinese calendar, dating back to the Han dynasty, is a lunisolar calendar that blends solar, lunar, and other cycles for social and agricultural purposes. While modern China primarily uses the Gregorian calendar for official purposes, the traditional calendar remains culturally significant. It determine... | Chinese calendar | Physics | 9,453 |
40,145,449 | https://en.wikipedia.org/wiki/Shellite%20%28explosive%29 | Shellite (known as Tridite in US service) is an explosive mixture of picric acid and dinitrophenol or picric acid and hexanitrodiphenylamine in a ratio of 70/30. It was typically used as a filling in Royal Navy armour-piercing shells during the early part of the 20th century.
History
Shellite originated after World W... | Shellite (explosive) | Chemistry | 345 |
24,380,013 | https://en.wikipedia.org/wiki/Chain%20rule%20%28probability%29 | In probability theory, the chain rule (also called the general product rule) describes how to calculate the probability of the intersection of, not necessarily independent, events or the joint distribution of random variables respectively, using conditional probabilities. This rule allows one to express a joint probabi... | Chain rule (probability) | Mathematics | 490 |
15,077,071 | https://en.wikipedia.org/wiki/Myopalladin | Myopalladin is a protein that in humans is encoded by the MYPN gene. Myopalladin is a muscle protein responsible for tethering proteins at the Z-disc and for communicating between the sarcomere and the nucleus in cardiac and skeletal muscle
Structure
Myopalladin is a 145.2 kDa protein composed of 1320 amino acids. M... | Myopalladin | Chemistry | 365 |
2,094,449 | https://en.wikipedia.org/wiki/Cluster%20decay | Cluster decay, also named heavy particle radioactivity, heavy ion radioactivity or heavy cluster decay, is a rare type of nuclear decay in which an atomic nucleus emits a small "cluster" of neutrons and protons, more than in an alpha particle, but less than a typical binary fission fragment. Ternary fission into three ... | Cluster decay | Physics,Chemistry | 2,530 |
60,842,586 | https://en.wikipedia.org/wiki/NGC%203741 | NGC 3741 is an irregular galaxy in the constellation Ursa Major. It was discovered by John Herschel on March 19, 1828. At a distance of about 10 million light-years (3.2 Mpc), it is located in the M94 Group. It is relatively undisturbed by other galaxies.
NGC 3741 is an unusual galaxy in several aspects. It has a disk... | NGC 3741 | Astronomy | 249 |
60,847,281 | https://en.wikipedia.org/wiki/Jarman%E2%80%93Bell%20principle | The Jarman–Bell principle is a concept in ecology that the food quality of a herbivore's intake decreases as the size of the herbivore increases, but the amount of such food increases to counteract the low quality foods. It operates by observing the allometric (non- linear scaling) properties of herbivores. The princip... | Jarman–Bell principle | Biology | 3,470 |
44,132,789 | https://en.wikipedia.org/wiki/Hyperbolic%20geometric%20graph | A hyperbolic geometric graph (HGG) or hyperbolic geometric network (HGN) is a special type of spatial network where (1) latent coordinates of nodes are sprinkled according to a probability density function into a
hyperbolic space of constant negative curvature and (2) an edge between two nodes is present if they are c... | Hyperbolic geometric graph | Mathematics | 1,059 |
74,054,198 | https://en.wikipedia.org/wiki/NGC%205506 | NGC 5506 is a spiral galaxy located in the constellation Virgo. It is located at a distance of about 75 million light years from Earth, which, given its apparent dimensions, means that NGC 5506 is about 80,000 light years across. It was discovered by William Herschel on April 15, 1787. It is a Seyfert galaxy.
Characte... | NGC 5506 | Astronomy | 673 |
6,856,520 | https://en.wikipedia.org/wiki/Industrial%20radiography | Industrial radiography is a modality of non-destructive testing that uses ionizing radiation to inspect materials and components with the objective of locating and quantifying defects and degradation in material properties that would lead to the failure of engineering structures. It plays an important role in the scien... | Industrial radiography | Materials_science,Engineering | 5,825 |
2,031,942 | https://en.wikipedia.org/wiki/Vinyl%20acetate | Vinyl acetate is an organic compound with the formula CH3CO2CH=CH2. This colorless liquid is the precursor to polyvinyl acetate, ethene-vinyl acetate copolymers, polyvinyl alcohol, and other important industrial polymers.
Production
The worldwide production capacity of vinyl acetate was estimated at 6,969,000 tonnes/y... | Vinyl acetate | Chemistry,Materials_science | 1,135 |
17,728,375 | https://en.wikipedia.org/wiki/Image%20conversion | A large number of image file formats are available for storing graphical data, and, consequently, there are a number of issues associated with converting from one image format to another, most notably loss of image detail.
Software compatibility
Many image formats are native to one specific graphics application and a... | Image conversion | Technology | 432 |
54,388,605 | https://en.wikipedia.org/wiki/Telluropyrylium | Telluropyrylium is an aromatic heterocyclic compound consisting of a six member ring with five carbon atoms, and a positively charged tellurium atom. Derivatives of telluropyrylium are important in research of infrared dyes.
Naming and numbering
Formerly it was named tellurapyrylium. However this is misleading, as "te... | Telluropyrylium | Physics,Chemistry | 624 |
744,914 | https://en.wikipedia.org/wiki/C17H21NO4 | {{DISPLAYTITLE:C17H21NO4}}
The formula C17H21NO4 may refer to:
Cocaine
Cocaine reverse ester
Fenoterol
Hydromorphinol
Hyoscine (scopolamine)
Oxymorphol
Molecular formulas | C17H21NO4 | Physics,Chemistry | 58 |
49,325,223 | https://en.wikipedia.org/wiki/Art4d | art4d is a magazine for Architecture, Design, Arts (11 annual issues, bilingual Thai-English). It was founded in 1995 and has been based in Bangkok, Thailand, since then. It is published by Corporation 4d, a Bangkok-based publisher specialized in architecture and design in Thailand. The magazine is devoted to architec... | Art4d | Engineering | 426 |
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