id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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|---|---|---|---|---|---|
39,197,973 | https://en.wikipedia.org/wiki/Perfectoid%20space | In mathematics, perfectoid spaces are adic spaces of special kind, which occur in the study of problems of "mixed characteristic", such as local fields of characteristic zero which have residue fields of characteristic prime p.
A perfectoid field is a complete topological field K whose topology is induced by a nondisc... | Perfectoid space | Mathematics | 683 |
77,919,966 | https://en.wikipedia.org/wiki/Next-Generation%20Overhead%20Persistent%20Infrared | Next-Generation Overhead Persistent Infrared (Next-Gen OPIR) is being developed in USA as the replacement for the current missile warning constellation, the Space-Based Infrared System (SBIRS).
The Next-Gen OPIR satellites are engineered to detect and track ballistic missile launches, delivering early warnings of pote... | Next-Generation Overhead Persistent Infrared | Technology | 132 |
3,362,298 | https://en.wikipedia.org/wiki/Needle%20remover | A needle remover is a device used to physically remove a needle from a syringe. In developing countries, there is still a need for improvements in needle safety in hospital settings as most of the needle removal processes are done manually and under severe risk of hazard from needles puncturing skin risking infection. ... | Needle remover | Engineering,Biology | 2,693 |
8,936,967 | https://en.wikipedia.org/wiki/Hydraulic%20clearance | Hydraulic clearance. Flow in narrow clearances are of vital importance in hydraulic system component design. The flow in a narrow circular clearance of a spool valve can be calculated according to the formula below if the height is negligible compared to the width of the clearance, such as most of the clearances in hyd... | Hydraulic clearance | Physics,Chemistry | 598 |
36,699,980 | https://en.wikipedia.org/wiki/Sobolev%20spaces%20for%20planar%20domains | In mathematics, Sobolev spaces for planar domains are one of the principal techniques used in the theory of partial differential equations for solving the Dirichlet and Neumann boundary value problems for the Laplacian in a bounded domain in the plane with smooth boundary. The methods use the theory of bounded operator... | Sobolev spaces for planar domains | Mathematics | 5,304 |
68,669,415 | https://en.wikipedia.org/wiki/Telosa | Telosa is a proposed utopian planned US city conceived by American billionaire Marc Lore and announced in September 2021. The project has a target population of 5 million people by 2050, with the first phase of construction expected to house 50,000. The location had initially not been chosen, with the project's planner... | Telosa | Engineering | 621 |
14,131,481 | https://en.wikipedia.org/wiki/BAG1 | BAG family molecular chaperone regulator 1 is a protein that in humans is encoded by the BAG1 gene.
Function
The oncogene BCL2 is a membrane protein that blocks a step in a pathway leading to apoptosis or programmed cell death. The protein encoded by this gene binds to BCL2 and is referred to as BCL2-associated atha... | BAG1 | Biology | 267 |
644,779 | https://en.wikipedia.org/wiki/F-theory | In theoretical physics, F-theory is a branch of string theory developed by Iranian-American physicist Cumrun Vafa. The new vacua described by F-theory were discovered by Vafa and allowed string theorists to construct new realistic vacua — in the form of F-theory compactified on elliptically fibered Calabi–Yau four-fold... | F-theory | Astronomy | 413 |
67,237,637 | https://en.wikipedia.org/wiki/Dragvanti | Dragvanti (stylized DragVanti) is a web portal dedicated to drag performers based in India.
History
DragVanti was launched on June 20, 2020 by Patruni Sastry. The platform also connects emerging drag artists to the entertainment industry. Originally, DragVanti was only a website. It became a monthly publication from ... | Dragvanti | Technology | 357 |
14,777,789 | https://en.wikipedia.org/wiki/Coxeter%E2%80%93Todd%20lattice | In mathematics, the Coxeter–Todd lattice K12, discovered by , is a 12-dimensional even integral lattice of discriminant 36 with no norm-2 vectors. It is the sublattice of the Leech lattice fixed by a certain automorphism of order 3, and is analogous to the Barnes–Wall lattice. The automorphism group of the Coxeter–To... | Coxeter–Todd lattice | Mathematics | 474 |
2,142,405 | https://en.wikipedia.org/wiki/Palm%20i705 | The Palm i705 was an upgrade from the last series of Palm PDAs to use the now discontinued Palm.net service via Mobitex to access the World Wide Web from Palm devices. It featured 8MB of onboard memory and an SD/MMC slot for additional storage or SDIO cards. It used the Motorola Dragonball VZ 33 MHz processor and ran ... | Palm i705 | Technology | 196 |
2,909,609 | https://en.wikipedia.org/wiki/Forest-fire%20model | In applied mathematics, a forest-fire model is any of a number of dynamical systems displaying self-organized criticality. Note, however, that according to Pruessner et al. (2002, 2004) the forest-fire model does not behave critically on very large, i.e. physically relevant scales. Early versions go back to Henley (198... | Forest-fire model | Mathematics | 491 |
507,209 | https://en.wikipedia.org/wiki/Hyperfactorial | In mathematics, and more specifically number theory, the hyperfactorial of a positive integer is the product of the numbers of the form from to
Definition
The hyperfactorial of a positive integer is the product of the numbers . That is,
Following the usual convention for the empty product, the hyperfactorial of... | Hyperfactorial | Mathematics | 269 |
5,913,863 | https://en.wikipedia.org/wiki/Pantetheine | Pantetheine is the cysteamine amide analog of pantothenic acid (vitamin B5). The dimer of this compound, pantethine is more commonly known, and is considered to be the most potent form of vitamin B5. Pantetheine is an intermediate in the catabolism of coenzyme A by the body.
Metabolism
Pantetheine is the product of d... | Pantetheine | Chemistry | 300 |
49,392,240 | https://en.wikipedia.org/wiki/Pentafluorothiophenol | Pentafluorothiophenol is an organosulfur compound with the formula C6F5SH. It is a colorless volatile liquid. The compound is prepared by the reaction of sodium hydrosulfide and hexafluorobenzene. With a pKa of 2.68, it is one of the most acidic thiols. Its conjugate base has been used as a ligand in coordination c... | Pentafluorothiophenol | Chemistry | 112 |
2,155,746 | https://en.wikipedia.org/wiki/Mobile%20phone%20feature | A mobile phone feature is a capability, service, or application that a mobile phone offers to its users. Mobile phones are often referred to as feature phones, and offer basic telephony. Handsets with more advanced computing ability through the use of native code try to differentiate their own products by implementing ... | Mobile phone feature | Technology | 5,023 |
11,305,098 | https://en.wikipedia.org/wiki/Pestalotiopsis%20sydowiana | Pestalotiopsis sydowiana is a plant pathogen infecting azaleas, heather, loquats, and rhododendrons.
References
External links
USDA ARS Fungal Database
Fungal plant pathogens and diseases
Ornamental plant pathogens and diseases
sydowiana
Fungus species | Pestalotiopsis sydowiana | Biology | 61 |
1,637,931 | https://en.wikipedia.org/wiki/Elinvar | Elinvar is a nickel–iron–chromium alloy notable for having a modulus of elasticity which does not change much with temperature changes.
Metal
The name is a contraction of the French ('invariable elasticity'). It was invented by Charles Édouard Guillaume, a Swiss physicist who also invented Invar, another alloy of nic... | Elinvar | Physics,Chemistry | 346 |
6,292,708 | https://en.wikipedia.org/wiki/IEEE%20P1619 | Institute of Electrical and Electronics Engineers (IEEE) standardization project for encryption of stored data, but more generically refers to the Security in Storage Working Group (SISWG), which includes a family of standards for protection of stored data and for the corresponding cryptographic key management.
Standa... | IEEE P1619 | Technology | 1,087 |
46,756,296 | https://en.wikipedia.org/wiki/Josef%20Sch%C3%A4chter | Josef Schächter (September 16, 1901, in Kundrynce, Galicia – March 27, 1994, in Haifa) was an Austrian rabbi, philosopher and member of the Vienna Circle from 1925 to 1936.
Life
Schächter was the son of Shoel Schächter and Sarah, née Distenfield. He trained as a rabbi and was ordained in 1926. He worked as a Talmud t... | Josef Schächter | Mathematics | 1,116 |
3,461,109 | https://en.wikipedia.org/wiki/Stamp%20program | The stamp program of a postal organization is an umbrella term for the entire process of postage stamp issuance and distribution by the organization. Aspects include the decision of about stamps to issue, what postal rates they will pay, postage stamp design, printing, and publicity for the new stamps. The stamp progra... | Stamp program | Technology | 456 |
1,505,128 | https://en.wikipedia.org/wiki/Harvard%E2%80%93Smithsonian%20Center%20for%20Astrophysics | The Center for Astrophysics | Harvard & Smithsonian (CfA), previously known as the Harvard–Smithsonian Center for Astrophysics, is an astrophysics research institute jointly operated by the Harvard College Observatory and Smithsonian Astrophysical Observatory. Founded in 1973 and headquartered in Cambridge, Massachuset... | Harvard–Smithsonian Center for Astrophysics | Physics,Astronomy | 3,351 |
6,919,308 | https://en.wikipedia.org/wiki/Nicole%20Stott | Nicole Marie Passonno Stott (born November 19, 1962) is an American engineer and a retired NASA astronaut. She served as a flight engineer on ISS Expedition 20 and Expedition 21 and was a mission specialist on STS-128 and STS-133. After 27 years of working at NASA, the space agency announced her retirement effective Ju... | Nicole Stott | Astronomy | 1,031 |
7,671,308 | https://en.wikipedia.org/wiki/Cytolysin | Cytolysin refers to the substance secreted by microorganisms, plants or animals that is specifically toxic to individual cells, in many cases causing their dissolution through lysis. Cytolysins that have a specific action for certain cells are named accordingly. For instance, the cytolysins responsible for the destruct... | Cytolysin | Biology | 2,087 |
24,970,625 | https://en.wikipedia.org/wiki/RNA-based%20evolution | RNA-based evolution is a theory that posits that RNA is not merely an intermediate between Watson and Crick model of the DNA molecule and proteins, but rather a far more dynamic and independent role-player in determining phenotype. By regulating the transcription in DNA sequences, the stability of RNA, and the capabili... | RNA-based evolution | Biology | 1,489 |
55,591,926 | https://en.wikipedia.org/wiki/Legal%20status%20of%20ayahuasca%20by%20country | This is an overview of the legality of ayahuasca by country. DMT, one of the active ingredients in ayahuasca, is classified as a Schedule I drug under the United Nations 1971 Convention on Psychotropic Substances, meaning that international trade in DMT is supposed to be closely monitored; use of DMT is supposed to be ... | Legal status of ayahuasca by country | Chemistry | 224 |
339,208 | https://en.wikipedia.org/wiki/Vitaly%20Ginzburg | Vitaly Lazarevich Ginzburg, ForMemRS (; 4 October 1916 – 8 November 2009) was a Russian physicist who was honored with the Nobel Prize in Physics in 2003, together with Alexei Abrikosov and Anthony Leggett for their "pioneering contributions to the theory of superconductors and superfluids."
He spent his career in the... | Vitaly Ginzburg | Physics,Materials_science,Technology,Engineering | 2,500 |
58,507,154 | https://en.wikipedia.org/wiki/Aspergillus%20bicolor | Aspergillus bicolor is a species of fungus in the genus Aspergillus. It is from the Aenei section. The species was first described in 1978. It has been reported to produce sterigmatocystin, versicolorins, and some anthraquinones.
Growth on agar plates
Apsergillus bicolor has been cultivated on both Czapek yeast extra... | Aspergillus bicolor | Biology | 133 |
1,402,463 | https://en.wikipedia.org/wiki/Hydroinformatics | Hydroinformatics is a branch of informatics which concentrates on the application of information and communications technologies (ICTs) in addressing the increasingly serious problems of the equitable and efficient use of water for many different purposes. Growing out of the earlier discipline of computational hydrauli... | Hydroinformatics | Chemistry,Technology,Engineering,Environmental_science | 640 |
68,219,713 | https://en.wikipedia.org/wiki/ExoKyoto | ExoKyoto is a database written in C++ that includes over 3,500 confirmed exoplanets as well as more than 120,000 stars. The database is led by Professor Yosuke Yamashiki of the Graduate School of Advanced Leadership Studies, at Kyoto University. ExoKyoto is particularly useful to visualize the habitable zone of differe... | ExoKyoto | Astronomy | 161 |
247,733 | https://en.wikipedia.org/wiki/Bath%20brick | The bath brick (also known as Patent Scouring or Flanders bricks), patented in 1823 by William Champion and John Browne, was a predecessor of the scouring pad used for cleaning and polishing.
Bath bricks were made by a number of companies in the town of Bridgwater, England, from fine clay dredged from the River Parret... | Bath brick | Chemistry | 298 |
11,363,542 | https://en.wikipedia.org/wiki/Thinned-array%20curse | The thinned-array curse (sometimes, sparse-array curse) is a theorem in electromagnetic theory of antennas. It states that a transmitting antenna which is synthesized from a coherent phased array of smaller antenna apertures that are spaced apart will have a smaller minimum beam spot size, but the amount of power that... | Thinned-array curse | Physics | 840 |
39,013,900 | https://en.wikipedia.org/wiki/Non-linear%20coherent%20states | Coherent states are quasi-classical states that may be defined in different ways, for instance as eigenstates of the annihilation operator
,
or as a displacement from the vacuum
,
where is the Sudarshan-Glauber displacement operator.
One may think of a non-linear coherent state by generalizing the
annihilation... | Non-linear coherent states | Physics | 104 |
70,021,966 | https://en.wikipedia.org/wiki/Abell%2063 | Abell 63 is a planetary nebula with an eclipsing binary central star system in the northern constellation of Sagitta. Based on parallax measurements of the central star, it is located at a distance of approximately 8,810 light years from the Sun. The systemic radial velocity of the nebula is . The nuclear star system ... | Abell 63 | Astronomy | 680 |
71,797,666 | https://en.wikipedia.org/wiki/Robert%20H.%20Carter%20III | Robert H. Carter III (January 12, 1847 - January 13, 1908) was an American pharmacist. He was the first African American certified pharmacist from Massachusetts.
By 1871, Carter worked for druggist and chemist William P. S. Caldwell on 49 Purchase Street. He married hairdresser Parthenia M. Harris on July 8, 1869. The... | Robert H. Carter III | Chemistry | 205 |
70,087,251 | https://en.wikipedia.org/wiki/Fairfield%20Enterprises | Fairfiel Enterprises was a leading British-based machine distributor and supplier of tooling and support services to the printing and packaging industries. The company was taken over in 2000 by the Swiss company Bobst AG, a supplier of machinery and services to the packaging industry.
History
The business was founded ... | Fairfield Enterprises | Physics,Technology | 541 |
78,404,878 | https://en.wikipedia.org/wiki/ARKA%20descriptors%20in%20QSAR | One of the most commonly used in silico approaches for assessing new molecules' activity/property/toxicity is the Quantitative Structure-Activity/Property/Toxicity Relationship (QSAR/QSPR/QSTR), which generates predictive models for efficiently predicting query compounds . QSAR/QSPR/QSTR uses numerical chemical informa... | ARKA descriptors in QSAR | Chemistry | 249 |
5,976,406 | https://en.wikipedia.org/wiki/BM-14 | The BM-14 (BM for Boyevaya Mashina, 'combat vehicle'), is a Soviet-made 140mm multiple launch rocket system (MLRS), normally mounted on a truck.
The BM-14 can fire 140 mm M-14 rockets with a high-explosive fragmentation warhead, a smoke warhead or a chemical warhead. It is similar to the BM-13 "Katyusha" and was partl... | BM-14 | Chemistry | 1,258 |
40,663,753 | https://en.wikipedia.org/wiki/Power-egg | A power-egg is a complete "unitized" modular engine installation, consisting of engine and all ancillary equipment, which can be swapped between suitably designed equipment, with standardised quick-changing attachment points and connectors.
In aircraft so designed, the power-egg is typically removed before mean time t... | Power-egg | Technology | 1,557 |
59,185,446 | https://en.wikipedia.org/wiki/Carrier%20aggregation | In wireless communication, carrier aggregation is a technique used to increase the data rate per user, whereby multiple frequency blocks (called component carriers) are assigned to the same user. The maximum possible data rate per user is increased the more frequency blocks are assigned to a user. The sum data rate of ... | Carrier aggregation | Technology,Engineering | 656 |
1,831,507 | https://en.wikipedia.org/wiki/Ethylmercury | Ethylmercury (sometimes ethyl mercury) is a cation composed of an organic CH3CH2— species (an ethyl group) bound to a mercury(II) centre, making it a type of organometallic cation, and giving it a chemical formula C2H5Hg+. The main source of ethylmercury is thimerosal.
Synthesis and structure
Ethylmercury (C2H5Hg+) i... | Ethylmercury | Physics,Chemistry | 604 |
61,566,443 | https://en.wikipedia.org/wiki/Monroe%20Avenue%20Water%20Filtration%20Plant | The Monroe Avenue Water Filtration Plant is a municipal water treatment plant located at 430 Monroe Avenue NW in Grand Rapids, Michigan. Built in 1910, it was likely the first water filtration plant in Michigan. In 1945, the plant was the site of the first public introduction of water fluoridation in the United States.... | Monroe Avenue Water Filtration Plant | Chemistry | 718 |
36,183,207 | https://en.wikipedia.org/wiki/Digermane | Digermane is an inorganic compound with the chemical formula . One of the few hydrides of germanium, it is a colourless liquid. Its molecular geometry is similar to ethane.
Synthesis
Digermane was first synthesized and examined in 1924 by Dennis, Corey, and Moore. Their method involves the hydrolysis of magnesium ger... | Digermane | Chemistry | 614 |
6,058,615 | https://en.wikipedia.org/wiki/Calcein | Calcein, also known as fluorexon, fluorescein complex, is a fluorescent dye with excitation and emission wavelengths of 495 and 515 nm, respectively, and has the appearance of orange crystals. Calcein self-quenches at concentrations above 70 mM and is commonly used as an indicator of lipid vesicle leakage. It has also ... | Calcein | Chemistry,Materials_science,Biology | 608 |
22,878,918 | https://en.wikipedia.org/wiki/Ursa%20Major%20%28excavator%29 | The Ursa Major (lit. Great Bear) at Black Thunder Coal Mine, Wyoming, is the largest dragline excavator currently in use in North America and the third largest ever built. It is a Bucyrus-Erie 2570WS model and cost US$50 million. The Ursa Major was one of five large walking draglines operated at Black Thunder, with the... | Ursa Major (excavator) | Engineering | 313 |
37,690,619 | https://en.wikipedia.org/wiki/Phi2%20Lupi | {{DISPLAYTITLE:Phi2 Lupi}}
Phi2 Lupi, Latinized from φ2 Lupi, is a solitary star in the southern constellation of Lupus. With an apparent magnitude of 4.535, it is bright enough to be seen with the naked eye. Based upon an annual parallax shift of 6.28 mas as seen from Earth, it is located around 520 light years from ... | Phi2 Lupi | Astronomy | 266 |
22,223,374 | https://en.wikipedia.org/wiki/Multiscale%20geometric%20analysis | Multiscale geometric analysis or geometric multiscale analysis is an emerging area of high-dimensional signal processing and data analysis.
See also
Wavelet
Scale space
Multi-scale approaches
Multiresolution analysis
Singular value decomposition
Compressed sensing
Further reading
Signal processing
Spatial anal... | Multiscale geometric analysis | Physics,Technology,Engineering | 53 |
28,769,399 | https://en.wikipedia.org/wiki/Identity%20line | In a 2-dimensional Cartesian coordinate system, with x representing the abscissa and y the ordinate, the identity line or line of equality is the y = x line. The line, sometimes called the 1:1 line, has a slope of 1. When the abscissa and ordinate are on the same scale, the identity line forms a 45° angle with the absc... | Identity line | Mathematics | 196 |
14,881,761 | https://en.wikipedia.org/wiki/ZNF217 | Zinc finger protein 217, also known as ZNF217, is a protein which in humans is encoded by the ZNF217 gene.
Function
ZNF217 can attenuate apoptotic signals resulting from telomere dysfunction and may promote neoplastic transformation and later stages of malignancy. Znf217 was shown to be a prognostic biomarker and t... | ZNF217 | Chemistry,Biology | 104 |
2,331,351 | https://en.wikipedia.org/wiki/Air%20gap%20%28plumbing%29 | An air gap, as related to the plumbing trade, is the unobstructed vertical space between the water outlet and the flood level of a fixture. Air gaps of appropriate design are legally required by water health and safety regulations in many countries. An air gap is the simplest form of a backflow prevention device.
Func... | Air gap (plumbing) | Engineering | 797 |
48,697,908 | https://en.wikipedia.org/wiki/GS1%20EDI | GS1 EDI is a set of global electronic messaging standards for business documents used in Electronic Data Interchange (EDI). The standards are developed and maintained by GS1. GS1 EDI is part of the overall GS1 system, fully integrated with other GS1 standards, increasing the speed and accuracy of the supply chain.
Exam... | GS1 EDI | Technology | 844 |
31,803,163 | https://en.wikipedia.org/wiki/BF-graph | In graph theory, a BF-graph is a type of directed hypergraph where each hyperedge is directed either to one particular vertex or away from one particular vertex.
In a directed hypergraph, each hyperedge may be directed away from some of its vertices (its tails) and towards some others of its vertices (its heads).
A hy... | BF-graph | Mathematics | 157 |
22,803,616 | https://en.wikipedia.org/wiki/Lilleby%20smelteverk | Lilleby smelteverk was a smeltmill located in Lilleby, Trondheim, Sør-Trøndelag county, Norway, next to City Lade. It is well known for having produced the world's cleanest ferrosilicon (an alloy that contains iron and silicon) for NASA. Shut down in December 20th, 2002, the production moved to Mo I Rana.
The building ... | Lilleby smelteverk | Chemistry,Materials_science | 407 |
1,435,893 | https://en.wikipedia.org/wiki/Little%20green%20men | Little green men is the stereotypical portrayal of extraterrestrials as little humanoid creatures with green skin and sometimes with antennae on their heads. The term is also sometimes used to describe gremlins, mythical creatures said to cause problems in airplanes and mechanical devices.
Although there have been re... | Little green men | Astronomy,Biology | 3,133 |
38,640,490 | https://en.wikipedia.org/wiki/Internet%20rush%20hour | Internet rush hour is the time period when the majority of Internet users are online at the same time. Typically, in the UK the peak hours are between 7 and 11 pm. During this time frame, users commonly experience slowness while browsing or downloading content. The congestion experienced during the rush hour is similar... | Internet rush hour | Technology | 1,094 |
634,266 | https://en.wikipedia.org/wiki/FR-4 | FR-4 (or FR4) is a NEMA grade designation for glass-reinforced epoxy laminate material. FR-4 is a composite material composed of woven fiberglass cloth with an epoxy resin binder that is flame resistant (self-extinguishing).
"FR" stands for "flame retardant", and does not denote that the material complies with the st... | FR-4 | Engineering | 692 |
67,505,568 | https://en.wikipedia.org/wiki/Niihari%20temple%20ruins | The is an archaeological site with the ruins of a Buddhist temple located in the Kujira neighborhood of the city of Chikusei, Ibaraki, Japan. The temple no longer exists, but the temple grounds were designated a National Historic Site in 1942.
Overview
The Niihari temple site is located approximately 200 to 300 mete... | Niihari temple ruins | Chemistry,Engineering | 518 |
3,740,391 | https://en.wikipedia.org/wiki/Comparison%20of%20operating%20system%20kernels | A kernel is a component of a computer operating system. A comparison of system kernels can provide insight into the design and architectural choices made by the developers of particular operating systems.
Comparison criteria
The following tables compare general and technical information for a number of widely used a... | Comparison of operating system kernels | Technology | 404 |
12,053,305 | https://en.wikipedia.org/wiki/Cepaea | Cepaea is a genus of large air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Helicidae. The shells are often brightly coloured and patterned with brown stripes. The two species in this genus, C. nemoralis and C. hortensis, are widespread and common in Western and Central Europe and have ... | Cepaea | Biology | 1,677 |
52,797 | https://en.wikipedia.org/wiki/Digital%20camera | A digital camera, also called a digicam, is a camera that captures photographs in digital memory. Most cameras produced today are digital, largely replacing those that capture images on photographic film or film stock. Digital cameras are now widely incorporated into mobile devices like smartphones with the same or mor... | Digital camera | Technology | 11,570 |
54,427 | https://en.wikipedia.org/wiki/Computer%20algebra%20system | A computer algebra system (CAS) or symbolic algebra system (SAS) is any mathematical software with the ability to manipulate mathematical expressions in a way similar to the traditional manual computations of mathematicians and scientists. The development of the computer algebra systems in the second half of the 20th c... | Computer algebra system | Mathematics | 1,891 |
77,933,869 | https://en.wikipedia.org/wiki/Icom%20IC-V82 | The Icom IC-V82 is a VHF band handheld transceiver designed by Icom for radio amateurs and professionals who require VHF communication. Although it is a little outdated, (launched in 2004 and discontinued in 2014), the IC-V82 is still valued in the second hand market for a number of additional features such as the abil... | Icom IC-V82 | Technology | 868 |
24,423,507 | https://en.wikipedia.org/wiki/C27H34O11 | {{DISPLAYTITLE:C27H34O11}}
The molecular formula C27H34O11 (molar mass: 534.55 g/mol, exact mass: 534.2101 u) may refer to:
Arctiin, a lignan
Phillyrin, a lignan | C27H34O11 | Chemistry | 67 |
42,934 | https://en.wikipedia.org/wiki/Cryostasis%20%28clathrate%20hydrates%29 | The term cryostasis was introduced to name the reversible preservation technology for live biological objects which is based on using clathrate-forming gaseous substances under increased hydrostatic pressure and hypothermic temperatures.
Living tissues cooled below the freezing point of water are damaged by the dehydr... | Cryostasis (clathrate hydrates) | Physics,Chemistry,Biology | 465 |
9,075,104 | https://en.wikipedia.org/wiki/Dark%20Energy%20Survey | The Dark Energy Survey (DES) is an astronomical survey designed to constrain the properties of dark energy. It uses images taken in the near-ultraviolet, visible, and near-infrared to measure the expansion of the universe using Type Ia supernovae, baryon acoustic oscillations, the number of galaxy clusters, and weak gr... | Dark Energy Survey | Physics,Astronomy | 3,080 |
295,066 | https://en.wikipedia.org/wiki/Source%20lines%20of%20code | Source lines of code (SLOC), also known as lines of code (LOC), is a software metric used to measure the size of a computer program by counting the number of lines in the text of the program's source code. SLOC is typically used to predict the amount of effort that will be required to develop a program, as well as to e... | Source lines of code | Mathematics,Engineering | 3,127 |
37,800 | https://en.wikipedia.org/wiki/Dendrochronology | Dendrochronology (or tree-ring dating) is the scientific method of dating tree rings (also called growth rings) to the exact year they were formed in a tree. As well as dating them, this can give data for dendroclimatology, the study of climate and atmospheric conditions during different periods in history from the wo... | Dendrochronology | Biology | 4,347 |
68,013,481 | https://en.wikipedia.org/wiki/Gallium%20palladide | Gallium palladide (GaPd or PdGa) is an intermetallic combination of gallium and palladium. It has the iron monosilicide crystal structure. The compound has been suggested as an improved catalyst for hydrogenation reactions. In principle, gallium palladide can be a more selective catalyst since unlike substituted compou... | Gallium palladide | Physics,Chemistry,Materials_science | 107 |
45,318,437 | https://en.wikipedia.org/wiki/Ecosystem%20decay | Ecosystem decay is a term coined by Thomas Lovejoy to define the process of which species become extinct locally based on habitat fragmentation. This process is what led to the extinction of several species, including the Irish Elk. Ecosystem decay can be mainly attributed to population isolation, leading to inbreeding... | Ecosystem decay | Biology | 687 |
11,421,646 | https://en.wikipedia.org/wiki/Prime%20k-tuple | In number theory, a prime -tuple is a finite collection of values representing a repeatable pattern of differences between prime numbers. For a -tuple , the positions where the -tuple matches a pattern in the prime numbers are given by the set of integers such that all of the values are prime. Typically the first va... | Prime k-tuple | Mathematics | 1,106 |
3,428,418 | https://en.wikipedia.org/wiki/International%20Prize%20for%20Biology | The is an annual award for "outstanding contribution to the advancement of research in fundamental biology." The Prize, although it is not always awarded to a biologist, is one of the most prestigious honours a natural scientist can receive. There are no restrictions on the nationality of the recipient.
Past laureate... | International Prize for Biology | Technology | 561 |
68,396,728 | https://en.wikipedia.org/wiki/HAT-P-65 | HAT-P-65 is a faint star located in the equatorial constellation Equuleus. With an apparent magnitude of 13.16, it requires a telescope to be seen. The star is located away from Earth, but is drifting close with a radial velocity of -48 km/s.
Properties
HAT-P-65 has a similar spectral type to that of the Sun. Howeve... | HAT-P-65 | Astronomy | 202 |
48,108,635 | https://en.wikipedia.org/wiki/Refuge%20Water%20Supply%20Program | The Refuge Water Supply Program (RWSP) is administered by the United States Department of the Interior jointly by the Bureau of Reclamation and Fish and Wildlife Service and tasked with acquiring a portion and delivering a total of 555,515 acre feet (AF) of water annually to 19 specific protected wetland areas in the C... | Refuge Water Supply Program | Engineering | 4,373 |
2,364,264 | https://en.wikipedia.org/wiki/Ibn%20al-Rawandi | Abu al-Hasan Ahmad ibn Yahya ibn Ishaq al-Rawandi (), commonly known as Ibn al-Rawandi (; 827–911 CE), was a scholar and theologian. In his early days, he was a Mu'tazilite scholar, but then rejected the Mu'tazilite doctrine. Afterwards, he became a Shia scholar; there is some debate about whether he stayed a Shia unt... | Ibn al-Rawandi | Physics | 1,410 |
5,614,016 | https://en.wikipedia.org/wiki/Medical%20science%20liaison | A medical science liaison (MSL) is a healthcare consulting professional who is employed by pharmaceutical, biotechnology, medical device, and managed care companies. Other job titles for medical science liaisons may include medical liaisons, clinical science liaisons, medical science managers, regional medical scientis... | Medical science liaison | Chemistry,Biology | 424 |
46,974,885 | https://en.wikipedia.org/wiki/Penicillium%20onobense | Penicillium onobense is an anamorph species in the genus Penicillium which was isolated from beech forest in Navarra in Spain.
References
Further reading
onobense
Fungi described in 1981
Fungus species | Penicillium onobense | Biology | 48 |
7,695,962 | https://en.wikipedia.org/wiki/Sympetrum | Sympetrum is a genus of small to medium-sized skimmer dragonflies, known as darters in the UK and as meadowhawks in North America. The more than 50 species predominantly live in the temperate zone of the Northern Hemisphere; 15 species are native to North America. No Sympetrum species is native to Australia.
Most Nor... | Sympetrum | Biology | 747 |
29,260,379 | https://en.wikipedia.org/wiki/Jig%20concentrators | Jig concentrators are devices used mainly in the mining industry for mineral processing, to separate particles within the ore body, based on their specific gravity (relative density).
The particles would usually be of a similar size, often crushed and screened prior to being fed over the jig bed. There are many variat... | Jig concentrators | Engineering | 332 |
55,085,766 | https://en.wikipedia.org/wiki/Creepiness | Creepiness is the state of being creepy, or causing an unpleasant feeling of fear or unease to someone and/or something. Certain traits or hobbies may make people seem creepy to others; interest in horror or the macabre might come across as 'creepy', and often people who are perverted or exhibit predatory behavior are ... | Creepiness | Technology | 1,558 |
19,317,802 | https://en.wikipedia.org/wiki/Decision%20list | Decision lists are a representation for Boolean functions which can be easily learnable from examples. Single term decision lists are more expressive than disjunctions and conjunctions; however, 1-term decision lists are less expressive than the general disjunctive normal form and the conjunctive normal form.
The lan... | Decision list | Engineering | 213 |
77,609,886 | https://en.wikipedia.org/wiki/Indolylpropylaminopentane | Indolylpropylaminopentane (IPAP), also known as α,N-dipropyltryptamine (α,N-DPT), is a monoaminergic activity enhancer (MAE) that is closely related to benzofuranylpropylaminopentane (BPAP) and phenylpropylaminopentane (PPAP). It is a tryptamine derivative and the corresponding analogue of PPAP and BPAP with an indole ... | Indolylpropylaminopentane | Chemistry | 520 |
1,236,542 | https://en.wikipedia.org/wiki/Projective%20hierarchy | In the mathematical field of descriptive set theory, a subset of a Polish space is projective if it is for some positive integer . Here is
if is analytic
if the complement of , , is
if there is a Polish space and a subset such that is the projection of onto ; that is,
The choice of the Polish space ... | Projective hierarchy | Mathematics | 324 |
3,399,064 | https://en.wikipedia.org/wiki/Total%20air%20temperature | In aviation, stagnation temperature is known as total air temperature and is measured by a temperature probe mounted on the surface of the aircraft. The probe is designed to bring the air to rest relative to the aircraft. As the air is brought to rest, kinetic energy is converted to internal energy. The air is compress... | Total air temperature | Technology,Engineering | 956 |
68,186,603 | https://en.wikipedia.org/wiki/Mike%20Short | Michael John Short CBE FREng FIET (born 19 July 1953) is a British telecommunications engineer and businessman. He helped to get the mobile telecommunications industry off the ground in the UK, when head of technology at Cellnet, and since 2017 has been Chief Scientific Adviser at the Department for International Trade... | Mike Short | Technology | 373 |
197,767 | https://en.wikipedia.org/wiki/Radioactive%20decay | Radioactive decay (also known as nuclear decay, radioactivity, radioactive disintegration, or nuclear disintegration) is the process by which an unstable atomic nucleus loses energy by radiation. A material containing unstable nuclei is considered radioactive. Three of the most common types of decay are alpha, beta, an... | Radioactive decay | Physics,Chemistry,Mathematics | 8,959 |
1,267,762 | https://en.wikipedia.org/wiki/Variable%20speed%20of%20light | A variable speed of light (VSL) is a feature of a family of hypotheses stating that the speed of light may in some way not be constant, for example, that it varies in space or time, or depending on frequency. Accepted classical theories of physics, and in particular general relativity, predict a constant speed of light... | Variable speed of light | Physics | 1,965 |
7,291,166 | https://en.wikipedia.org/wiki/Strange%20B%20meson | The meson is a meson composed of a bottom antiquark and a strange quark. Its antiparticle is the meson, composed of a bottom quark and a strange antiquark.
B–B oscillations
Strange B mesons are noted for their ability to oscillate between matter and antimatter via a box-diagram with measured by CDF experiment at F... | Strange B meson | Physics | 494 |
33,176,131 | https://en.wikipedia.org/wiki/Design%20classic | A design classic is an industrially manufactured object with timeless aesthetic value. It serves as a standard of its kind and remains up to date regardless of the year of its design.
Whether a particular object is a design classic might often be debatable and the term is sometimes abused
but there exists a body of a... | Design classic | Engineering | 150 |
31,294,625 | https://en.wikipedia.org/wiki/Median%20center%20of%20the%20United%20States%20population | The median center of U.S. population is determined by the United States Census Bureau from the results of each census. The Bureau defines it to be:
As of the 2020 U.S. census, this places roughly 165.7 million Americans living on each side of a longitude line passing through a location in Gibson County, Indiana, and t... | Median center of the United States population | Physics,Mathematics | 197 |
33,207,610 | https://en.wikipedia.org/wiki/Caffeine%20%28data%20page%29 | This page provides supplementary chemical data on caffeine.
References
Chemical data pages
Caffeine
Chemical data pages cleanup | Caffeine (data page) | Chemistry | 24 |
30,871,197 | https://en.wikipedia.org/wiki/Avira | Avira Operations GmbH & Co. KG is a German multinational computer security software company mainly known for its Avira Free Security antivirus software. Although founded in 2006, the Avira antivirus application has been under active development since 1986 through its predecessor company H+BEDV Datentechnik GmbH. Since ... | Avira | Engineering | 2,061 |
17,010,869 | https://en.wikipedia.org/wiki/Variants%20of%20PCR | The versatility of polymerase chain reaction (PCR) has led to modifications of the basic protocol being used in a large number of variant techniques designed for various purposes. This article summarizes many of the most common variations currently or formerly used in molecular biology laboratories; familiarity with th... | Variants of PCR | Chemistry,Biology | 4,148 |
8,753,589 | https://en.wikipedia.org/wiki/Steam%20digester | The steam digester or bone digester (also known as Papin’s digester) is a high-pressure cooker invented by French physicist Denis Papin in 1679. It is a device for extracting fats from bones in a high-pressure steam environment, which also renders them brittle enough to be easily ground into bone meal. It is the foreru... | Steam digester | Physics,Chemistry,Mathematics | 795 |
45,374,363 | https://en.wikipedia.org/wiki/Single-cell%20DNA%20template%20strand%20sequencing | Single-cell DNA template strand sequencing, or Strand-seq, is a technique for the selective sequencing of a daughter cell's parental template strands.
This technique offers a wide variety of applications, including the identification of sister chromatid exchanges in the parental cell prior to segregation, the assessmen... | Single-cell DNA template strand sequencing | Chemistry,Biology | 3,268 |
21,518,774 | https://en.wikipedia.org/wiki/Neofavolus%20alveolaris | Neofavolus alveolaris, commonly known as the hexagonal-pored polypore, is a species of fungus in the family Polyporaceae. It causes a white rot of dead hardwoods. Found on sticks and decaying logs, its distinguishing features are its yellowish to orange scaly cap, and the hexagonal or diamond-shaped pores. It is widely... | Neofavolus alveolaris | Biology | 843 |
6,172,305 | https://en.wikipedia.org/wiki/Helvella%20crispa | Helvella crispa, also known as the fluted white elfin saddle, white saddle, elfin saddle or common helvel, is an ascomycete fungus of the family Helvellaceae. The mushroom is readily identified by its irregularly shaped whitish cap, fluted stem, and fuzzy undersurfaces. It is found in eastern North America and in Europ... | Helvella crispa | Biology | 562 |
826,956 | https://en.wikipedia.org/wiki/Clausius%E2%80%93Mossotti%20relation | In electromagnetism, the Clausius–Mossotti relation, named for O. F. Mossotti and Rudolf Clausius, expresses the dielectric constant (relative permittivity, ) of a material in terms of the atomic polarizability, , of the material's constituent atoms and/or molecules, or a homogeneous mixture thereof. It is equivalent t... | Clausius–Mossotti relation | Physics,Chemistry,Materials_science,Mathematics,Engineering | 845 |
31,860,373 | https://en.wikipedia.org/wiki/Moss%E2%80%93Burstein%20effect | The Moss-Burstein effect, also known as the Burstein–Moss shift, is the phenomenon in which the apparent band gap of a semiconductor is increased as the absorption edge is pushed to higher energies as a result of some states close to the conduction band being populated. This is observed for a degenerate electron distri... | Moss–Burstein effect | Physics,Chemistry,Materials_science | 343 |
5,158,653 | https://en.wikipedia.org/wiki/Breakthrough%20of%20the%20Year | The Breakthrough of the Year is an annual award for the most significant development in scientific research made by the AAAS journal Science, an academic journal covering all branches of science.
Originating in 1989 as the Molecule of the Year, and inspired by Time Person of the Year, it was renamed the Breakthrough o... | Breakthrough of the Year | Technology | 368 |
21,506 | https://en.wikipedia.org/wiki/Numerical%20analysis | Numerical analysis is the study of algorithms that use numerical approximation (as opposed to symbolic manipulations) for the problems of mathematical analysis (as distinguished from discrete mathematics). It is the study of numerical methods that attempt to find approximate solutions of problems rather than the exact ... | Numerical analysis | Physics,Mathematics | 3,552 |
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