id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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2,276,235 | https://en.wikipedia.org/wiki/Gevil | Gevil or gewil () or () is a type of parchment made from full-grain animal hide that has been prepared as a writing material in Jewish scribal documents, in particular a Sefer Torah (Torah scroll).
Etymology
Related to גויל, gewil, a rolling (i.e. unhewn) stone, "to roll." (Jastrow)
Definition and production
Gevil is... | Gevil | Engineering | 1,280 |
3,479,393 | https://en.wikipedia.org/wiki/Firefly%20%28website%29 | Firefly.com (1995–1999) was a community website featuring collaborative filtering.
History
The Firefly website was created by Firefly Network, Inc.(originally known as Agents Inc.) The company was founded in March 1995 by a group of engineers from MIT Media Lab and some business people from Harvard Business School, in... | Firefly (website) | Technology | 562 |
41,414,139 | https://en.wikipedia.org/wiki/Hinged%20dissection | In geometry, a hinged dissection, also known as a swing-hinged dissection or Dudeney dissection, is a kind of geometric dissection in which all of the pieces are connected into a chain by "hinged" points, such that the rearrangement from one figure to another can be carried out by swinging the chain continuously, witho... | Hinged dissection | Mathematics | 459 |
788,561 | https://en.wikipedia.org/wiki/List%20of%20formal%20language%20and%20literal%20string%20topics | This is a list of formal language and literal string topics, by Wikipedia page.
Formal languages
Abstract syntax tree
Backus-Naur form
Categorial grammar
Chomsky hierarchy
Concatenation
Context-free grammar
Context-sensitive grammar
Context-sensitive language
Decidable language
ECLR-attributed grammar
Fini... | List of formal language and literal string topics | Mathematics | 246 |
4,267,651 | https://en.wikipedia.org/wiki/Parable%20of%20the%20Workers%20in%20the%20Vineyard |
The Parable of the Workers in the Vineyard (also called the Parable of the Laborers in the Vineyard or the Parable of the Generous Employer) is a parable of Jesus which appears in chapter 20 of the Gospel of Matthew in the New Testament. It is not included in the other canonical gospels. It has been described as a di... | Parable of the Workers in the Vineyard | Mathematics | 815 |
48,724,391 | https://en.wikipedia.org/wiki/The%20Erotic | The Erotic, is a concept of a source of power and resources that are available within all humans, which draws on feminine and spiritual approaches to introspection. The erotic was first described by Audre Lorde in her 1978 essay in Sister Outsider, "Uses of the Erotic: The Erotic as Power". The essay was later publishe... | The Erotic | Biology | 2,904 |
75,520,475 | https://en.wikipedia.org/wiki/Diethofencarb | Diethofencarb is a carbamate fungicide which is used to control Botrytis infections on a variety of fruit and vegetable crops.
References
Fungicides
Ethoxy compounds
Isopropyl esters
Carbamates
Anilines | Diethofencarb | Chemistry,Biology | 52 |
10,797,278 | https://en.wikipedia.org/wiki/Cockade%20of%20Spain | The Cockade of Spain is a national symbol that arose after the French Revolution, by pleating a golden pin over the former red ribbon, colors of the ancient Royal Bend of Castile. The resulting insignia is a circle that symbolizes the colors of the Spanish flag: Red and Yellow, being carried as individual representatio... | Cockade of Spain | Mathematics | 148 |
4,855,513 | https://en.wikipedia.org/wiki/Mark%20I%20%28detector%29 | The Mark I, also known as the SLAC-LBL Magnetic Detector, was a particle detector that operated at the interaction point of the SPEAR collider from 1973 to 1977. It was the first 4π detector, i.e. the first detector to uniformly cover as much of the 4π steradians (units of solid angle) around the interaction point as p... | Mark I (detector) | Physics | 743 |
901,369 | https://en.wikipedia.org/wiki/Pet%20peeve | A pet peeve, pet aversion, or pet hate is a minor annoyance that an individual finds particularly irritating to a greater degree than the norm.
Origin of the concept
The noun peeve, meaning an annoyance, is believed to have originated in the United States early in the twentieth century, derived by back-formation from ... | Pet peeve | Biology | 407 |
43,638,795 | https://en.wikipedia.org/wiki/Gas%20blending | Gas blending is the process of mixing gases for a specific purpose where the composition of the resulting mixture is defined, and therefore, controlled.
A wide range of applications include scientific and industrial processes, food production and storage and breathing gases.
Gas mixtures are usually specified in terms... | Gas blending | Chemistry | 2,382 |
3,650,941 | https://en.wikipedia.org/wiki/S%20phase%20index | S-phase index (SPI), is a measure of cell growth and viability, especially the capacity of tumor cells to proliferate. It is defined as the number of BrdU-incorporating cells relative to the volume of DNA staining determined from whole mount confocal analyses.
Only cells in the S phase will incorporate BrdU into their... | S phase index | Biology | 142 |
823,251 | https://en.wikipedia.org/wiki/Wildflower | A wildflower (or wild flower) is a flower that grows in the wild, the flower of a wild or uncultivated plant or the plant bearing it. Meaning it was not intentionally seeded or planted. The term implies that the plant is neither a hybrid nor a selected cultivar that is any different from the native plant, even if it is... | Wildflower | Biology | 731 |
50,964 | https://en.wikipedia.org/wiki/Liouville%20number | In number theory, a Liouville number is a real number with the property that, for every positive integer , there exists a pair of integers with such that
The inequality implies that Liouville numbers possess an excellent sequence of rational number approximations. In 1844, Joseph Liouville proved a bound showing th... | Liouville number | Mathematics | 2,253 |
244,593 | https://en.wikipedia.org/wiki/Lock%20%28computer%20science%29 | In computer science, a lock or mutex (from mutual exclusion) is a synchronization primitive that prevents state from being modified or accessed by multiple threads of execution at once. Locks enforce mutual exclusion concurrency control policies, and with a variety of possible methods there exist multiple unique implem... | Lock (computer science) | Technology | 3,861 |
3,144,059 | https://en.wikipedia.org/wiki/Carrion%20flower | Carrion flowers, also known as corpse flowers or stinking flowers, are mimetic flowers that emit an odor that smells like rotting flesh. Apart from the scent, carrion flowers often display additional characteristics that contribute to the mimesis of a decaying corpse. These include their specific coloration (red, purpl... | Carrion flower | Biology | 1,434 |
19,841,585 | https://en.wikipedia.org/wiki/Citatuzumab%20bogatox | Citatuzumab bogatox (VB6-845) is a monoclonal antibody Fab fragment fused with bouganin, a ribosome inactivating protein from the plant Bougainvillea spectabilis. It has undergone preclinical development for the treatment of ovarian cancer and other solid tumors.
References
Antibody-drug conjugates
Monoclonal antibo... | Citatuzumab bogatox | Biology | 88 |
21,404,975 | https://en.wikipedia.org/wiki/ServerNet | ServerNet is a switched fabric communications link primarily used in proprietary computers made by Tandem Computers, Compaq, and HP.
Its features include good scalability, clean fault containment, error detection and failover. The ServerNet architecture specification defines a connection between nodes, either process... | ServerNet | Technology | 598 |
38,832,942 | https://en.wikipedia.org/wiki/Candystorm | Candystorm is a loanword used in the German language and is the antonym of shitstorm. Green German MP Volker Beck gave distinction to the term by using it to describe a wave of party support for Claudia Roth's bid for Party leadership on Twitter in late 2012. Roth had just before failed in her bid to be nominated as th... | Candystorm | Technology | 740 |
76,726,515 | https://en.wikipedia.org/wiki/Behavioral%20economics%20and%20public%20policy | Behavioral economics and public policy is a field that investigates how the discipline of behavioral economics can be used to enhance the formation, implementation and evaluation of public policy. Using behavioral insights, it explores how to make policies more effective, efficient and humane by considering real-world ... | Behavioral economics and public policy | Biology | 1,979 |
5,920,062 | https://en.wikipedia.org/wiki/Crooks%20fluctuation%20theorem | The Crooks fluctuation theorem (CFT), sometimes known as the Crooks equation, is an equation in statistical mechanics that relates the work done on a system during a non-equilibrium transformation to the free energy difference between the final and the initial state of the transformation. During the non-equilibrium tra... | Crooks fluctuation theorem | Physics,Mathematics | 651 |
14,419,822 | https://en.wikipedia.org/wiki/Storage%40home | Storage@home was a distributed data store project designed to store massive amounts of scientific data across a large number of volunteer machines. The project was developed by some of the Folding@home team at Stanford University, from about 2007 through 2011.
Function
Scientists such as those running Folding@home dea... | Storage@home | Engineering | 535 |
757,745 | https://en.wikipedia.org/wiki/List%20of%20network%20theory%20topics | Network theory is an area of applied mathematics.
This page is a list of network theory topics.
Network theorems
Max flow min cut theorem
Menger's theorem
Metcalfe's law
Network properties
Centrality
Betweenness centrality
Closeness
Network theory applications
Bose-Einstein condensation: a network theory approach... | List of network theory topics | Mathematics | 184 |
60,215,472 | https://en.wikipedia.org/wiki/Aluminum%20internal%20combustion%20engine | An aluminum internal combustion engine is an internal combustion engine made mostly from aluminum metal alloys.
Many internal combustion engines use cast iron and steel extensively for their strength and low cost. Aluminum offers lighter weight at the expense of strength, hardness and often cost. However, with care it... | Aluminum internal combustion engine | Technology,Engineering | 499 |
14,285 | https://en.wikipedia.org/wiki/History%20of%20science%20and%20technology | The history of science and technology (HST) is a field of history that examines the development of the understanding of the natural world (science) and humans' ability to manipulate it (technology) at different points in time. This academic discipline also examines the cultural, economic, and political context and impa... | History of science and technology | Technology,Engineering | 4,029 |
48,892,446 | https://en.wikipedia.org/wiki/Automatic%20bug%20fixing | Automatic bug-fixing is the automatic repair of software bugs without the intervention of a human programmer. It is also commonly referred to as automatic patch generation, automatic bug repair, or automatic program repair. The typical goal of such techniques is to automatically generate correct patches to eliminate bu... | Automatic bug fixing | Technology,Engineering | 2,735 |
7,657,737 | https://en.wikipedia.org/wiki/Wet%20lab | A wet lab, or experimental lab, is a type of laboratory where it is necessary to handle various types of chemicals and potential "wet" hazards, so the room has to be carefully designed, constructed, and controlled to avoid spillage and contamination.
A dry lab might have large experimental equipment but minimal chemi... | Wet lab | Chemistry | 470 |
42,552,765 | https://en.wikipedia.org/wiki/LibreSSL | LibreSSL is an open-source implementation of the Transport Layer Security (TLS) protocol. The implementation is named after Secure Sockets Layer (SSL), the deprecated predecessor of TLS, for which support was removed in release 2.3.0. The OpenBSD project forked LibreSSL from OpenSSL 1.0.1g in April 2014 as a response t... | LibreSSL | Mathematics | 2,095 |
18,877,021 | https://en.wikipedia.org/wiki/Vav%20%28protein%29 | Vav is a family of proteins involved in cell signalling. They act as guanine nucleotide exchange factors (GEFs) for small G proteins of the Rho family. GEF activity is mediated via module of tandem DH-PH domains. Vav proteins also appear to exhibit GEF-independent functions. Although it was originally thought that Vav ... | Vav (protein) | Chemistry,Biology | 174 |
23,597,540 | https://en.wikipedia.org/wiki/Tank%20on%20the%20Moon | Tank on the Moon is a French 2007 documentary film about the development, launch, and operation of the Soviet Moon exploration rovers, Lunokhod 1 and Lunokhod 2 in the period from 1970 to 1973. The film uses historical footage from American, Russian and French archives featuring Leonid Brezhnev, Yuri Gagarin, Lyndon Jo... | Tank on the Moon | Astronomy | 633 |
2,957,626 | https://en.wikipedia.org/wiki/Pimaric%20acid | Pimaric acid is a carboxylic acid that is classified as a resin acid. It is a major component of the rosin obtained from pine trees.
When heated above 100 °C, pimaric acid converts to abietic acid, which it usually accompanies in mixtures like rosin.
It is soluble in alcohols, acetone, and ethers. The compound is... | Pimaric acid | Chemistry | 149 |
2,182,309 | https://en.wikipedia.org/wiki/Humphry%20Bowen |
Humphry John Moule Bowen (22 June 1929 – 9 August 2001) was a British botanist and chemist.
Early life and education
Bowen was born in Oxford, son of the chemist Edmund Bowen and Edith Bowen (nee Moule). He attended the Dragon School, gaining a scholarship to Rugby School and then a demyship to Magdalen College, Ox... | Humphry Bowen | Chemistry | 861 |
43,734,151 | https://en.wikipedia.org/wiki/Sony%20Xperia%20Z3%20Compact | The Sony Xperia Z3 Compact is an Android smartphone produced by Sony. As part of the Z Series, the Z3 Compact was unveiled during a press conference in IFA 2014 on 4 September 2014 and belongs to Sony's handset lineup of the second half of 2014, which includes the flagship Xperia Z3 and the entry-level Xperia C3. Like ... | Sony Xperia Z3 Compact | Technology | 1,007 |
41,262,001 | https://en.wikipedia.org/wiki/Luna%20Ring | Luna Ring is a speculative engineering project which consists of a series of solar generators, disposed around the equator of the Moon, that could send the generated electric energy back to the Earth via microwaves from the near side of the Moon. The project was proposed by Japanese construction firm Shimizu Corporatio... | Luna Ring | Physics,Astronomy,Technology,Engineering | 319 |
70,784,361 | https://en.wikipedia.org/wiki/Broadcast%20lens | Broadcast lens in television industry are lenses used for broadcasting in television studio or on the location/field. Main manufacturers of broadcast lenses are Canon and Fujifilm's Fujinon brand. Broadcast lenses can be box-shaped, which are heavier and for use in limited range or classically shaped, lighter and for p... | Broadcast lens | Engineering | 223 |
4,694,434 | https://en.wikipedia.org/wiki/Boolean%20model%20of%20information%20retrieval | The (standard) Boolean model of information retrieval (BIR) is a classical information retrieval (IR) model and, at the same time, the first and most-adopted one. The BIR is based on Boolean logic and classical set theory in that both the documents to be searched and the user's query are conceived as sets of terms (a b... | Boolean model of information retrieval | Mathematics | 1,472 |
27,122,321 | https://en.wikipedia.org/wiki/Synaptic%20tagging | Synaptic tagging, or the synaptic tagging hypothesis, has been proposed to explain how neural signaling at a particular synapse creates a target for subsequent plasticity-related product (PRP) trafficking essential for sustained LTP and LTD. Although the molecular identity of the tags remains unknown, it has been esta... | Synaptic tagging | Biology | 2,738 |
1,276,911 | https://en.wikipedia.org/wiki/Mekong%20River%20Commission | The Mekong River Commission (MRC) is an "...inter-governmental organisation that works directly with the governments of Cambodia, Laos, Thailand, and Vietnam to jointly manage the shared water resources and the sustainable development of the Mekong River". Its mission is "To promote and coordinate sustainable managemen... | Mekong River Commission | Engineering | 4,797 |
326,285 | https://en.wikipedia.org/wiki/Paul%20Elvstr%C3%B8m | Paul Bert Elvstrøm (25 February 1928 – 7 December 2016) was a Danish yachtsman and the founder of Elvstrøm Sails. He won four Olympic gold medals and twenty world titles in a range of classes including Snipe, Soling, Star, Flying Dutchman, Finn, 505, and 5.5 Metre. For his achievements, Elvstrøm was chosen as "Danish S... | Paul Elvstrøm | Engineering | 2,161 |
31,559,837 | https://en.wikipedia.org/wiki/Kirchhoff%27s%20diffraction%20formula | Kirchhoff's diffraction formula (also called Fresnel–Kirchhoff diffraction formula) approximates light intensity and phase in optical diffraction: light fields in the boundary regions of shadows. The approximation
can be used to model light propagation in a wide range of configurations, either analytically or using nu... | Kirchhoff's diffraction formula | Physics,Chemistry,Materials_science | 2,556 |
16,811,582 | https://en.wikipedia.org/wiki/Roll%20program | A roll program or tilt maneuver is an aerodynamic maneuver that alters the attitude of a vertically launched space launch vehicle. It consists of a partial rotation around the vehicle's vertical axis, allowing the vehicle to then pitch to follow the proper azimuth toward orbit.
A roll program is usually completed afte... | Roll program | Chemistry,Astronomy,Engineering | 480 |
50,694,498 | https://en.wikipedia.org/wiki/Dimepregnen | Dimepregnen (INN, BAN) (developmental code name ST-1411), or 6α,16α-dimethylpregn-4-en-3β-ol-20-one, is a pregnene steroid described as an antiestrogen that was synthesized in 1968 and was never marketed. It is similar in structure to the progestins and progesterone derivatives melengestrol and anagestone.
See also
... | Dimepregnen | Chemistry | 145 |
34,338,776 | https://en.wikipedia.org/wiki/Sony%20SmartWatch | The Sony SmartWatch is a line of wearable devices developed and marketed by Sony Mobile from 2012 to 2016 through three generations. They connect to Android smartphones and can display information such as Twitter feeds and SMS messages, among other things.
Original
The original Sony SmartWatch, model MN2SW, came with... | Sony SmartWatch | Technology | 651 |
38,513,558 | https://en.wikipedia.org/wiki/Dualizing%20module | In abstract algebra, a dualizing module, also called a canonical module, is a module over a commutative ring that is analogous to the canonical bundle of a smooth variety. It is used in Grothendieck local duality.
Definition
A dualizing module for a Noetherian ring R is a finitely generated module M such that for any... | Dualizing module | Mathematics | 451 |
743,441 | https://en.wikipedia.org/wiki/Bouguer%20anomaly | In geodesy and geophysics, the Bouguer anomaly (named after Pierre Bouguer) is a gravity anomaly, corrected for the height at which it is measured and the attraction of terrain. The height correction alone gives a free-air gravity anomaly.
Definition
The Bouguer anomaly defined as:
Here,
is the free-air gravity a... | Bouguer anomaly | Physics | 640 |
2,920,661 | https://en.wikipedia.org/wiki/Tetraacetylethylenediamine | Tetraacetylethylenediamine, commonly abbreviated as TAED, is an organic compound with the formula (CH3C(O))2NCH2CH2N(C(O)CH3)2. It is a white solid commonly used as a bleach activator in laundry detergents and in the production of paper pulp. TAED is synthesized through the acetylation of ethylenediamine.
Use and mech... | Tetraacetylethylenediamine | Technology | 663 |
41,851,667 | https://en.wikipedia.org/wiki/Vent%20DNA%20polymerase | Vent polymerase is a archean thermostable DNA polymerase used for the polymerase chain reaction. It was isolated from the thermophile Thermococcus litoralis.
References
DNA replication
EC 2.7.7
Polymerase chain reaction | Vent DNA polymerase | Chemistry,Biology | 55 |
38,791,208 | https://en.wikipedia.org/wiki/History%20of%20catecholamine%20research | The catecholamines are a group of neurotransmitters composed of the endogenous substances dopamine, noradrenaline (norepinephrine), and adrenaline (epinephrine), as well as numerous artificially synthesized compounds such as isoprenaline - an anti-bradycardiac medication. Their investigation constitutes a major chapter... | History of catecholamine research | Chemistry | 8,716 |
2,962,342 | https://en.wikipedia.org/wiki/Security%20operations%20center | A security operations center (SOC) is responsible for protecting an organization against cyber threats. SOC analysts perform round-the-clock monitoring of an organization’s network and investigate any potential security incidents. If a cyberattack is detected, the SOC analysts are responsible for taking any steps neces... | Security operations center | Engineering | 477 |
634,316 | https://en.wikipedia.org/wiki/Prednisolone | Prednisolone is a corticosteroid, a steroid hormone used to treat certain types of allergies, inflammatory conditions, autoimmune disorders, and cancers, electrolyte imbalances and skin conditions. Some of these conditions include adrenocortical insufficiency, high blood calcium, rheumatoid arthritis, dermatitis, eye i... | Prednisolone | Chemistry | 3,366 |
448,990 | https://en.wikipedia.org/wiki/List%20of%20Pinus%20species | Pinus, the pines, is a genus of approximately 111 extant tree and shrub species. The genus is currently split into two subgenera: subgenus Pinus (hard pines), and subgenus Strobus (soft pines). Each of the subgenera have been further divided into sections based on chloroplast DNA sequencing and whole plastid genomic a... | List of Pinus species | Biology | 3,014 |
36,443,541 | https://en.wikipedia.org/wiki/Chlorociboria%20spiralis | Chlorociboria spiralis is a species of fungus in the family Chlorociboriaceae. It is found in New Zealand.
References
External links
Helotiaceae
Fungi described in 2005
Fungi of New Zealand
Fungus species | Chlorociboria spiralis | Biology | 47 |
593,949 | https://en.wikipedia.org/wiki/NUTS%20statistical%20regions%20of%20Denmark | The Nomenclature of Territorial Units for Statistics (NUTS) is a geocode standard for referencing the administrative division of Denmark for statistical purposes. The standard is developed and regulated by the European Union. The NUTS standard is instrumental in delivering the European Union's Structural Funds. The NUT... | NUTS statistical regions of Denmark | Mathematics | 259 |
74,173,318 | https://en.wikipedia.org/wiki/Ambident%20%28chemistry%29 | In chemistry, ambident is a molecule or group that has two alternative and interacting reaction sites, to either of which a bond may be made during a reaction.
Ambident dienophile
Ambident dienophile 57 reacts with DAPC 54 at the cyclobutene π-bond to produce ligand 58; in contrast, the related ambident dienophile 59 ... | Ambident (chemistry) | Chemistry | 187 |
1,718,100 | https://en.wikipedia.org/wiki/GPS%20meteorology | GPS meteorology refers to the use of the effect of the atmosphere on the
propagation of the Global Positioning System's (GPS) radio signals to derive
information on the state of the (lower, neutral) atmosphere.
There are currently two main operational techniques in use in GPS meteorology:
GPS limb sounding from orbit,... | GPS meteorology | Technology,Engineering | 589 |
3,571,350 | https://en.wikipedia.org/wiki/Socle%20%28mathematics%29 | In mathematics, the term socle has several related meanings.
Socle of a group
In the context of group theory, the socle of a group G, denoted soc(G), is the subgroup generated by the minimal normal subgroups of G. It can happen that a group has no minimal non-trivial normal subgroup (that is, every non-trivial normal ... | Socle (mathematics) | Mathematics | 805 |
12,170,265 | https://en.wikipedia.org/wiki/Spark%20ionization | Spark ionization (also known as spark source ionization) is a method used to produce gas phase ions from a solid sample. The prepared solid sample is vaporized and partially ionized by an intermittent discharge or spark. This technique is primarily used in the field of mass spectrometry. When incorporated with a mass ... | Spark ionization | Physics | 1,084 |
5,480,302 | https://en.wikipedia.org/wiki/Differentiation%20in%20Fr%C3%A9chet%20spaces | In mathematics, in particular in functional analysis and nonlinear analysis, it is possible to define the derivative of a function between two Fréchet spaces. This notion of differentiation, as it is Gateaux derivative between Fréchet spaces, is significantly weaker than the derivative in a Banach space, even between ... | Differentiation in Fréchet spaces | Mathematics | 650 |
2,727,218 | https://en.wikipedia.org/wiki/Drug%20recall | A drug recall removes a prescription or over-the-counter drug from the market. Drug recalls in the United States are made by the FDA or the creators of the drug when certain criteria are met. When a drug recall is made, the drug is removed from the market and potential legal action can be taken depending on the severit... | Drug recall | Chemistry | 1,969 |
15,193,662 | https://en.wikipedia.org/wiki/Rac%20%28GTPase%29 | Rac is a subfamily of the Rho family of GTPases, small (~21 kDa) signaling G proteins (more specifically a GTPase). Just as other G proteins, Rac acts as a molecular switch, remaining inactive while bound to guanosine diphosphate (GDP) and activated once guanine nucleotide exchange factors (GEFs) remove GDP, permitting... | Rac (GTPase) | Chemistry | 500 |
48,080,791 | https://en.wikipedia.org/wiki/Consortium%20for%20Computing%20Sciences%20in%20Colleges | The Consortium for Computing Sciences in Colleges (CCSC) is a nonprofit organization divided into ten regions that roughly match geographical areas in the United States. The purpose of the consortium is to: "promote, support and improve computing curricula in colleges and universities; encompass regional constituencies... | Consortium for Computing Sciences in Colleges | Technology | 266 |
2,977,884 | https://en.wikipedia.org/wiki/Conjugation%20of%20isometries%20in%20Euclidean%20space | In a group, the conjugate by g of h is ghg−1.
Translation
If h is a translation, then its conjugation by an isometry can be described as applying the isometry to the translation:
the conjugation of a translation by a translation is the first translation
the conjugation of a translation by a rotation is a translation b... | Conjugation of isometries in Euclidean space | Physics,Mathematics | 1,268 |
12,671,952 | https://en.wikipedia.org/wiki/Clofoctol | Clofoctol is a bacteriostatic antibiotic. It is used in the treatment of respiratory tract and ear, nose and throat infections caused by Gram-positive bacteria.
It has been marketed in France till 2005 under the trade name Octofene and in Italy as Gramplus.
It is only functional against Gram-positive bacteria.
It pen... | Clofoctol | Biology | 166 |
66,590,304 | https://en.wikipedia.org/wiki/Su%E2%80%93Schrieffer%E2%80%93Heeger%20model | In condensed matter physics, the Su–Schrieffer–Heeger (SSH) model or SSH chain is a one-dimensional lattice model that presents topological features. It was devised by Wu-Pei Su, John Robert Schrieffer, and Alan J. Heeger in 1979, to describe the increase of electrical conductivity of polyacetylene polymer chain when d... | Su–Schrieffer–Heeger model | Physics,Chemistry,Materials_science,Engineering | 1,196 |
76,602,254 | https://en.wikipedia.org/wiki/Oxford%20Forest%20Conservation%20Area | The Oxford Forest Conservation Area is a protected forest area of located in foothills near the township of Oxford in North Canterbury, New Zealand. The area is also an accredited International Dark Sky Park.
The forest is a remnant of extensive beech and podocarp forests that previously covered inland parts of North... | Oxford Forest Conservation Area | Astronomy | 513 |
374,372 | https://en.wikipedia.org/wiki/Noria | A noria (, nā‘ūra, plural nawāʿīr, from , nā‘orā, lit. "growler") is a hydropowered scoop wheel used to lift water into a small aqueduct, either for the purpose of irrigation or to supply water to cities and villages.
Name and meaning
Etymology
The English word noria is derived via Spanish noria from Arabic nā‘ūra ... | Noria | Physics,Chemistry | 1,560 |
2,009,410 | https://en.wikipedia.org/wiki/Lithium%20acetate | Lithium acetate (CH3COOLi) is a salt of lithium and acetic acid. It is often abbreviated as LiOAc.
Uses
Lithium acetate is used in the laboratory as buffer for gel electrophoresis of DNA and RNA. It has a lower electrical conductivity and can be run at higher speeds than can gels made from TAE buffer (5-30V/cm as c... | Lithium acetate | Chemistry | 288 |
76,556,946 | https://en.wikipedia.org/wiki/Neodymium%28II%29%20fluoride | Neodymium(II) fluoride is an inorganic compound with the chemical formula NdF2. It can be obtained by shock compression of neodymium(III) fluoride and neodymium at 1000 °C and above 200 kbar. It can also be obtained by reacting in a eutectic system of neodymium and lithium fluoride-neodymium(III) fluoride at 1100 °C.
... | Neodymium(II) fluoride | Chemistry | 104 |
35,233,688 | https://en.wikipedia.org/wiki/Potential%20cultural%20impact%20of%20extraterrestrial%20contact | The cultural impact of extraterrestrial contact is the corpus of changes to terrestrial science, technology, religion, politics, and ecosystems resulting from contact with an extraterrestrial civilization. This concept is closely related to the search for extraterrestrial intelligence (SETI), which attempts to locate i... | Potential cultural impact of extraterrestrial contact | Astronomy,Biology | 10,076 |
15,215,530 | https://en.wikipedia.org/wiki/KCNS3 | Potassium voltage-gated channel subfamily S member 3 (Kv9.3) is a protein that in humans is encoded by the KCNS3 gene. KCNS3 gene belongs to the S subfamily of the potassium channel family. It is highly expressed in pulmonary artery myocytes, placenta, and parvalbumin-containing GABA neurons in brain cortex. In humans,... | KCNS3 | Chemistry | 340 |
53,654,633 | https://en.wikipedia.org/wiki/Nectar%20spur | A nectar spur is a hollow extension of a part of a flower. The spur may arise from various parts of the flower: the sepals, petals, or hypanthium, and often contain tissues that secrete nectar (nectaries). Nectar spurs are present in many clades across the angiosperms, and are often cited as an example of convergent ev... | Nectar spur | Biology | 835 |
1,166,782 | https://en.wikipedia.org/wiki/Embryonic%20diapause | Embryonic diapause (delayed implantation in mammals) is a reproductive strategy used by a number of animal species across different biological classes. In more than 130 types of mammals where this takes place, the process occurs at the blastocyst stage of embryonic development, and is characterized by a dramatic reduct... | Embryonic diapause | Biology | 2,048 |
44,158 | https://en.wikipedia.org/wiki/Conservative%20force | In physics, a conservative force is a force with the property that the total work done by the force in moving a particle between two points is independent of the path taken. Equivalently, if a particle travels in a closed loop, the total work done (the sum of the force acting along the path multiplied by the displacem... | Conservative force | Physics,Mathematics | 1,339 |
4,753,359 | https://en.wikipedia.org/wiki/Epidemiology%20of%20autism | The epidemiology of autism is the study of the incidence and distribution of autism spectrum disorders (ASD). A 2022 systematic review of global prevalence of autism spectrum disorders found a median prevalence of 1% in children in studies published from 2012 to 2021, with a trend of increasing prevalence over time. Ho... | Epidemiology of autism | Environmental_science | 5,959 |
48,522,089 | https://en.wikipedia.org/wiki/Hygrophoropsis%20panamensis | Hygrophoropsis panamensis is a species of fungus in the family Hygrophoropsidaceae. Found in Panama, it was described as new to science in 1983 by mycologist Rolf Singer.
References
External links
Hygrophoropsidaceae
Fungi described in 1983
Fungi of Central America
Taxa named by Rolf Singer
Fungus species | Hygrophoropsis panamensis | Biology | 74 |
34,348,533 | https://en.wikipedia.org/wiki/Muhammad%20Iqbal | Sir Muhammad Iqbal (; 9 November 187721 April 1938) was a South Asian Islamic philosopher, poet and politician. His poetry is considered to be among the greatest of the 20th century, and his vision of a cultural and political ideal for the Muslims of British-ruled India is widely regarded as having animated the impulse... | Muhammad Iqbal | Biology | 8,308 |
1,081,538 | https://en.wikipedia.org/wiki/Complex%20polygon | The term complex polygon can mean two different things:
In geometry, a polygon in the unitary plane, which has two complex dimensions.
In computer graphics, a polygon whose boundary is not simple.
Geometry
In geometry, a complex polygon is a polygon in the complex Hilbert plane, which has two complex dimensions.
... | Complex polygon | Mathematics | 448 |
1,901,895 | https://en.wikipedia.org/wiki/Qualitative%20property | Qualitative properties are properties that are observed and can generally not be measured with a numerical result, unlike quantitative properties, which have numerical characteristics.
Description
Qualitative properties are properties that are observed and can generally not be measured with a numerical result. They a... | Qualitative property | Physics,Mathematics | 416 |
981,465 | https://en.wikipedia.org/wiki/Yi%20Xing | Yi Xing (, 683–727), born Zhang Sui (), was a Chinese astronomer, Buddhist monk, inventor, mathematician, mechanical engineer, and philosopher during the Tang dynasty. His astronomical celestial globe featured a liquid-driven escapement, the first in a long tradition of Chinese astronomical clockworks.
Science and tec... | Yi Xing | Astronomy | 1,331 |
1,388,539 | https://en.wikipedia.org/wiki/Chagan%20%28nuclear%20test%29 | Chagan () was a Soviet underground nuclear test conducted at the Semipalatinsk Test Site on January 15, 1965.
Description
Chagan was the first and largest of the 124 detonations in the Nuclear Explosions for the National Economy program, designed to produce peaceful nuclear explosions (PNEs) for earth-moving purposes... | Chagan (nuclear test) | Chemistry | 651 |
342,078 | https://en.wikipedia.org/wiki/Gimbal | A gimbal is a pivoted support that permits rotation of an object about an axis. A set of three gimbals, one mounted on the other with orthogonal pivot axes, may be used to allow an object mounted on the innermost gimbal to remain independent of the rotation of its support (e.g. vertical in the first animation). For exa... | Gimbal | Engineering | 2,083 |
62,571,269 | https://en.wikipedia.org/wiki/Single-entity%20electrochemistry | Single-Entity Electrochemistry (SEE) refers to the electroanalysis of an individual unit of interest. A unique feature of SEE is that it unifies multiple different branches of electrochemistry. Single-Entity Electrochemistry pushes the bounds of the field as it can measure entities on a scale of 100 microns to angstrom... | Single-entity electrochemistry | Chemistry | 1,202 |
4,053,506 | https://en.wikipedia.org/wiki/Sanguinarine | Sanguinarine is a polycyclic quaternary alkaloid. It is extracted from some plants, including the bloodroot plant, from whose scientific name, Sanguinaria canadensis, its name is derived; the Mexican prickly poppy (Argemone mexicana); Chelidonium majus; and Macleaya cordata.
Toxicity
Sanguinarine is a toxin that kills... | Sanguinarine | Chemistry,Environmental_science | 925 |
576,694 | https://en.wikipedia.org/wiki/C-terminus | The C-terminus (also known as the carboxyl-terminus, carboxy-terminus, C-terminal tail, carboxy tail, C-terminal end, or COOH-terminus) is the end of an amino acid chain (protein or polypeptide), terminated by a free carboxyl group (-COOH). When the protein is translated from messenger RNA, it is created from N-terminu... | C-terminus | Chemistry | 780 |
14,623,014 | https://en.wikipedia.org/wiki/Weierstrass%20ring | In mathematics, a Weierstrass ring, named by Nagata after Karl Weierstrass, is a commutative local ring that is Henselian, pseudo-geometric, and such that any quotient ring by a prime ideal is a finite extension of a regular local ring.
Examples
The Weierstrass preparation theorem can be used to show that the ring of... | Weierstrass ring | Mathematics | 151 |
599,673 | https://en.wikipedia.org/wiki/New%20Civil%20Engineer | New Civil Engineer is the monthly magazine for members of the Institution of Civil Engineers (ICE), the UK chartered body that oversees the practice of civil engineering in the UK. First published in May 1972, it is today published by Metropolis. Under its previous publisher, Ascential, who, as Emap, acquired the title... | New Civil Engineer | Engineering | 394 |
18,422,847 | https://en.wikipedia.org/wiki/Psilocybe%20galindoi | Psilocybe galindoi is a psychedelic mushroom in the section Mexicana, having psilocybin and psilocin as its main active compounds. It is also known as Psilocybe galindii. The species was named in honor of Mr. Carlos Galindo Arias and his family by Dr. Gastón Guzmán.
Description
Cap: 1.9 – 2 cm in diameter, conic to ca... | Psilocybe galindoi | Biology | 688 |
40,328,832 | https://en.wikipedia.org/wiki/Oleidesulfovibrio%20alaskensis | Oleidesulfovibrio alaskensis (formerly Desulfovibrio alaskensis) belongs to the sulfate-reducing bacteria. The type strain is Al1T (= NCIMB 13491T = DSM 16109T).
Biology
O. alaskensis has the ability to reduce radionuclides and heavy metals such as uranium and chromium to soluble and less toxic forms. The O. alaskensi... | Oleidesulfovibrio alaskensis | Biology | 340 |
44,948,385 | https://en.wikipedia.org/wiki/Tavis%20Ormandy | Tavis Ormandy is an English computer security white hat hacker. He is currently employed by Google and was formerly part of Google's Project Zero team.
Notable discoveries
Ormandy is credited with discovering severe vulnerabilities in LibTIFF, Sophos' antivirus software and Microsoft Windows.
With Natalie Silvanovich... | Tavis Ormandy | Technology | 386 |
47,886,489 | https://en.wikipedia.org/wiki/Conservative%20transposition | Transposition is the process by which a specific genetic sequence, known as a transposon, is moved from one location of the genome to another. Simple, or conservative transposition, is a non-replicative mode of transposition. That is, in conservative transposition the transposon is completely removed from the genome an... | Conservative transposition | Chemistry,Biology | 816 |
39,976,047 | https://en.wikipedia.org/wiki/Rodica%20Simion | Rodica Eugenia Simion (January 18, 1955 – January 7, 2000) was a Romanian-American mathematician. She was the Columbian School Professor of Mathematics at George Washington University. Her research concerned combinatorics: she was a pioneer in the study of permutation patterns, and an expert on noncrossing partitions.... | Rodica Simion | Mathematics | 568 |
56,508,282 | https://en.wikipedia.org/wiki/Brigitte%20Servatius | Brigitte Irma Servatius (born 1954) is a mathematician specializing in matroids and structural rigidity. She is a professor of mathematics at Worcester Polytechnic Institute, and has been the editor-in-chief of the Pi Mu Epsilon Journal since 1999.
Education and career
Servatius is originally from Graz in Austria.
As ... | Brigitte Servatius | Mathematics | 474 |
2,054,659 | https://en.wikipedia.org/wiki/Aegirine | Aegirine is a member of the clinopyroxene group of inosilicate minerals. It is the sodium endmember of the aegirine–augite series. It has the chemical formula NaFeSi2O6, in which the iron is present as the ion Fe3+. In the aegirine–augite series, the sodium is variably replaced by calcium with iron(II) and magnesium re... | Aegirine | Physics | 505 |
11,126,710 | https://en.wikipedia.org/wiki/List%20of%20AIGA%20medalists | Following is a list of AIGA medalists who have been awarded the American Institute of Graphic Arts medal.
On its website, AIGA says "The medal of the AIGA, the most distinguished in the field, is awarded to individuals in recognition of their exceptional achievements, services or other contributions to the field of gr... | List of AIGA medalists | Engineering | 1,117 |
183,919 | https://en.wikipedia.org/wiki/Coccidioidomycosis | Coccidioidomycosis (, ) is a mammalian fungal disease caused by Coccidioides immitis or Coccidioides posadasii. It is commonly known as cocci, Valley fever, as well as California fever, desert rheumatism, or San Joaquin Valley fever. Coccidioidomycosis is endemic in certain parts of the United States in Arizona, Califo... | Coccidioidomycosis | Biology,Environmental_science | 5,610 |
36,809,506 | https://en.wikipedia.org/wiki/World%20Computer%20Exchange | World Computer Exchange (WCE) is a United States and Canada based charity organization whose mission is "to reduce the digital divide for youth in developing countries, to use our global network of partnerships to enhance communities in these countries, and to promote the reuse of electronic equipment and its ultimate ... | World Computer Exchange | Technology | 993 |
28,097,633 | https://en.wikipedia.org/wiki/United%20States%20v.%20Riverside%20Bayview | United States v. Riverside Bayview, 474 U.S. 121 (1985), was a United States Supreme Court case challenging the scope of federal regulatory powers over waterways as pertaining to the definition of "waters of the United States" as written in the Clean Water Act of 1972. The Court ruled unanimously that the government do... | United States v. Riverside Bayview | Engineering | 559 |
42,763,530 | https://en.wikipedia.org/wiki/Confidential%20incident%20reporting | A confidential incident reporting system is a mechanism which allows problems in safety-critical fields such as aviation and medicine to be reported in confidence. This allows events to be reported which otherwise might not be reported through fear of blame or reprisals against the reporter. Analysis of the reported in... | Confidential incident reporting | Engineering | 260 |
16,796,463 | https://en.wikipedia.org/wiki/Annual%20International%20Conference%20on%20Real%20Options | The Annual International Conference on Real Options: Theory Meets Practice is a yearly conference organized by the Real Options Group in cooperation with various top universities. Its stated aim is to "bring together academics and practitioners at the forefront of real options and investment under uncertainty to discu... | Annual International Conference on Real Options | Engineering | 182 |
832,482 | https://en.wikipedia.org/wiki/Rotten%20Tomatoes | Rotten Tomatoes is an American review-aggregation website for film and television. The company was launched in August 1998 by three undergraduate students at the University of California, Berkeley: Senh Duong, Patrick Y. Lee, and Stephen Wang. Although the name "Rotten Tomatoes" connects to the practice of audiences th... | Rotten Tomatoes | Technology | 4,638 |
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