id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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|---|---|---|---|---|---|
1,759,187 | https://en.wikipedia.org/wiki/Superabundant%20number | In mathematics, a superabundant number is a certain kind of natural number. A natural number is called superabundant precisely when, for all :
where denotes the sum-of-divisors function (i.e., the sum of all positive divisors of , including itself). The first few superabundant numbers are . For example, the number... | Superabundant number | Mathematics | 681 |
37,443,770 | https://en.wikipedia.org/wiki/Antonio%20Banfi | Antonio Banfi (Vimercate, 30 September 1886 – Milano, 22 July 1957) was an Italian philosopher and senator. He is also noted for founding the Italian philosophical school called critical rationalism.
Although influenced by the neo-Kantians in Marburg and Edmund Husserl, whom he knew personally, Banfi moved away from i... | Antonio Banfi | Physics | 291 |
26,561,301 | https://en.wikipedia.org/wiki/Legacy-free%20PC | A legacy-free PC is a type of personal computer that lacks a floppy or optical disc drive, legacy ports, and an Industry Standard Architecture (ISA) bus (or sometimes, any internal expansion bus at all). According to Microsoft, "The basic goal for these requirements is that the operating system, devices, and end users ... | Legacy-free PC | Technology | 1,025 |
467,198 | https://en.wikipedia.org/wiki/Gallium%20nitride | Gallium nitride () is a binary III/V direct bandgap semiconductor commonly used in blue light-emitting diodes since the 1990s. The compound is a very hard material that has a Wurtzite crystal structure. Its wide band gap of 3.4 eV affords it special properties for applications in optoelectronics, high-power and high-fr... | Gallium nitride | Chemistry | 2,794 |
31,413,242 | https://en.wikipedia.org/wiki/Normet | Normet is a private Finland-headquartered, global technology company. The company manufactures underground equipment and applications and provides aftermarket services, construction chemicals, and rock support products and expertise for customer processes in underground mining and tunnelling as well as for civil constr... | Normet | Engineering | 1,176 |
78,553,678 | https://en.wikipedia.org/wiki/Christian%20Hackenberger | Christian P. R. Hackenberger (b. Osnabruck, 1976) is a German chemist. He is a professor of Chemical Biology at the Humboldt University of Berlin and heads the research unit Biomolecule Modification and Delivery at the Leibniz Research Institute for Molecular Pharmacology. He is a co-founder of the Munich-based biotech... | Christian Hackenberger | Chemistry | 736 |
23,294,928 | https://en.wikipedia.org/wiki/Proxyphylline | Proxyphylline is a xanthine derivative that acts as a cardiac stimulant, vasodilator and bronchodilator.
References
Adenosine receptor antagonists
Phosphodiesterase inhibitors
Xanthines | Proxyphylline | Chemistry | 52 |
64,175,740 | https://en.wikipedia.org/wiki/Neotoma%20Paleoecology%20Database | The Neotoma Paleoecology Database (Neotoma) is an open international data resource that stores and shares multiple kinds of fossil, paleoecological, and paleoenvironmental data. Neotoma specializes in fossil data holdings at timescales covering the last several decades to the last several million years. Neotoma is orga... | Neotoma Paleoecology Database | Biology | 1,886 |
39,126,009 | https://en.wikipedia.org/wiki/Cliftonite | Cliftonite is a natural form of graphite that occurs as small octahedral inclusions in iron-containing meteorites. It typically accompanies kamacite, and more rarely schreibersite, cohenite or plessite.
Cliftonite was first considered to be a new form of carbon, then a pseudomorph of graphite after diamond, and finall... | Cliftonite | Chemistry | 218 |
8,918,323 | https://en.wikipedia.org/wiki/Conservative%20system | In mathematics, a conservative system is a dynamical system which stands in contrast to a dissipative system. Roughly speaking, such systems have no friction or other mechanism to dissipate the dynamics, and thus, their phase space does not shrink over time. Precisely speaking, they are those dynamical systems that hav... | Conservative system | Physics,Mathematics | 1,733 |
3,789,546 | https://en.wikipedia.org/wiki/Trigenus | In low-dimensional topology, the trigenus of a closed 3-manifold is an invariant consisting of an ordered triple . It is obtained by minimizing the genera of three orientable handle bodies — with no intersection between their interiors— which decompose the manifold as far as the Heegaard genus need only two.
That is,... | Trigenus | Mathematics | 367 |
25,081,608 | https://en.wikipedia.org/wiki/Victor%20Bangert | Victor Bangert (born 28 November 1950) is Professor of Mathematics at the Mathematisches Institut in Freiburg, Germany. His main interests are differential geometry and dynamical systems theory. He specialises in the theory of closed geodesics, wherein one of his significant results, combined with another one due to Jo... | Victor Bangert | Mathematics | 223 |
54,942,000 | https://en.wikipedia.org/wiki/MAPK%20networks | Mitogen-activated protein kinase (MAPK) networks are the pathways and signaling of MAPK, which is a protein kinase that consists of amino acids serine and threonine. MAPK pathways have both a positive and negative regulation in plants. A positive regulation of MAPK networks is to help in assisting with stresses from th... | MAPK networks | Chemistry,Biology | 1,785 |
39,260,084 | https://en.wikipedia.org/wiki/Spectral%20line%20shape | Spectral line shape or spectral line profile describes the form of an electromagnetic spectrum in the vicinity of a spectral line – a region of stronger or weaker intensity in the spectrum. Ideal line shapes include Lorentzian, Gaussian and Voigt functions, whose parameters are the line position, maximum height and hal... | Spectral line shape | Physics,Chemistry | 2,237 |
4,832,740 | https://en.wikipedia.org/wiki/Osmiridium | Osmiridium and iridosmine are natural alloys of the elements osmium and iridium, with traces of other platinum-group metals.
Osmiridium has been defined as containing a higher proportion of iridium, with iridosmine containing more osmium. However, as the content of the natural Os-Ir alloys varies considerably, the con... | Osmiridium | Physics,Chemistry | 870 |
39,941,590 | https://en.wikipedia.org/wiki/NGC%205668 | NGC 5668 is a nearly face-on spiral galaxy, visual magnitude about 11.5, located about 81 million light years away in the constellation Virgo. It was discovered on 29 April 1786 by William Herschel.
NGC 5668 is a member of the NGC 5638 Group of galaxies, itself one of the Virgo III Groups strung out to the east of the... | NGC 5668 | Astronomy | 443 |
4,660,608 | https://en.wikipedia.org/wiki/Deutschsprachige%20Anwendervereinigung%20TeX | Deutschsprachige Anwendervereinigung TeX e.V., or DANTE e.V., is the German-language TeX users group.
With about 2000 members, it is the largest TeX users group worldwide. DANTE was founded on 14 April 1989 in the German city of Heidelberg by a handful of TeX enthusiasts who had met formerly on a non-regular basis. A... | Deutschsprachige Anwendervereinigung TeX | Mathematics | 257 |
24,220,030 | https://en.wikipedia.org/wiki/Neutron%20tomography | Neutron tomography is a form of computed tomography involving the production of three-dimensional images by the detection of the absorbance of neutrons produced by a neutron source. It creates a three-dimensional image of an object by combining multiple planar images with a known separation. It has a resolution of down... | Neutron tomography | Technology,Engineering | 324 |
11,550,543 | https://en.wikipedia.org/wiki/SYS%20%28command%29 | In computing, sys is a command used in many operating system command-line shells and also in Microsoft BASIC.
DOS, Windows, etc.
SYS is an external command of Seattle Computer Products 86-DOS, Microsoft MS-DOS, IBM PC DOS, Digital Research FlexOS, IBM/Toshiba 4690 OS, PTS-DOS, Itautec/Scopus Tecnologia SISNE plus, a... | SYS (command) | Technology | 731 |
60,831,967 | https://en.wikipedia.org/wiki/Beach%20cleaning | Beach cleaning or clean-up is the process of removing solid litter, dense chemicals, and organic debris deposited on a beach or coastline by the tide, local visitors, or tourists. Humans pollute beaches with materials such as plastic bottles and bags, plastic straws, fishing gear, cigarette filters, six-pack rings, sur... | Beach cleaning | Chemistry,Environmental_science | 6,694 |
70,076,585 | https://en.wikipedia.org/wiki/High%20integrity%20software | High-integrity software is software whose failure may cause serious damage with possible "life-threatening consequences." "Integrity is important as it demonstrates the safety, security, and maintainability of... code." Examples of high-integrity software are nuclear reactor control, avionics software, automotive safet... | High integrity software | Technology,Engineering | 214 |
52,787,692 | https://en.wikipedia.org/wiki/EXPRES | The EXtreme PREcision Spectrograph (EXPRES) is an optical fiber fed echelle instrument designed and built at the Yale Exoplanet Laboratory to be installed on the 4.3-meter Lowell Discovery Telescope operated by Lowell Observatory. It has a goal to achieve 10 cm/s radial velocity precision. It uses a laser frequency com... | EXPRES | Physics,Chemistry,Astronomy | 106 |
28,126,280 | https://en.wikipedia.org/wiki/C19H21NO6 | {{DISPLAYTITLE:C19H21NO6}}
The molecular formula C19H21NO6 may refer to:
Oxodipine
XP-21279 | C19H21NO6 | Chemistry | 38 |
3,655,654 | https://en.wikipedia.org/wiki/Concise%20International%20Chemical%20Assessment%20Document | Concise International Chemical Assessment Documents (CICADs) are published by the World Health Organization within the framework of the International Programme on Chemical Safety (IPCS). They describe the toxicological properties of chemical compounds.
CICADs are prepared in draft form by one or two experts from natio... | Concise International Chemical Assessment Document | Chemistry | 103 |
22,236,319 | https://en.wikipedia.org/wiki/Quantum-confined%20Stark%20effect | The quantum-confined Stark effect (QCSE) describes the effect of an external electric field upon the light absorption spectrum or emission spectrum of a quantum well (QW). In the absence of an external electric field, electrons and holes within the quantum well may only occupy states within a discrete set of energy su... | Quantum-confined Stark effect | Physics,Materials_science | 1,934 |
30,701 | https://en.wikipedia.org/wiki/The%20Computer%20Contradictionary | The Computer Contradictionary is a non-fiction book by Stan Kelly-Bootle that compiles a satirical list of definitions of computer industry terms. It was originally published as 'The devil's DP dictionary'. it is an example of "cynical lexicography" in the tradition of Ambrose Bierce's The Devil's Dictionary. Rather ... | The Computer Contradictionary | Technology | 210 |
22,446,466 | https://en.wikipedia.org/wiki/Hebeloma%20cylindrosporum | Hebeloma cylindrosporum is a species of mushroom-forming fungus in the genus Hebeloma and the family Hymenogastraceae. The mushroom is a Basidiomycota, which has many of the mushroom-forming fungi species. It was described as new to science in 1965 by French mycologist Henri Romagnesi.
Taxonomy and Phylogeny
Cylindr-... | Hebeloma cylindrosporum | Biology | 864 |
23,588,906 | https://en.wikipedia.org/wiki/Adulterated%20food%20in%20the%20United%20States | Adulteration is a legal offense and when the food fails to meet the legal standards set by the government, it is said to have been Adulterated Food. One form of adulteration is the addition of another substance to a food item in order to increase the quantity of the food item in raw form or prepared form, which results... | Adulterated food in the United States | Chemistry | 2,426 |
13,341,540 | https://en.wikipedia.org/wiki/Asymmetric%20norm | In mathematics, an asymmetric norm on a vector space is a generalization of the concept of a norm.
Definition
An asymmetric norm on a real vector space is a function that has the following properties:
Subadditivity, or the triangle inequality:
Nonnegative homogeneity: and every non-negative real number
Posit... | Asymmetric norm | Mathematics | 442 |
52,829,079 | https://en.wikipedia.org/wiki/Aspergillus%20acidus | Aspergillus acidus is a species of fungus in the genus Aspergillus. Aspergillus acidus can be used in food fermentation for tea.
References
Further reading
http://www.fung-growth.org
acidus
Fungi described in 1989
Molds used in food production
Fungus species | Aspergillus acidus | Biology | 67 |
27,515,306 | https://en.wikipedia.org/wiki/Kicked%20rotator | The kicked rotator, also spelled as kicked rotor, is a paradigmatic model for both Hamiltonian chaos (the study of chaos in Hamiltonian systems) and quantum chaos. It describes a free rotating stick (with moment of inertia ) in an inhomogeneous "gravitation like" field that is periodically switched on in short pulses. ... | Kicked rotator | Physics,Mathematics | 1,718 |
54,550,764 | https://en.wikipedia.org/wiki/Saraswati%20Supercluster | The Saraswati Supercluster is a massive galaxy supercluster about 1.2 gigaparsecs (4 billion light years) away within the Stripe 82 region of SDSS, in the direction of the constellation Pisces. It is one of the largest structures found in the universe, with a major axis in diameter of about 200 Mpc (652 million light y... | Saraswati Supercluster | Astronomy | 468 |
35,940,038 | https://en.wikipedia.org/wiki/Chronopolis%20%28short%20story%29 | Chronopolis is a science fiction short story by British writer J. G. Ballard, first published in 1960. The story begins with a man in prison, Newman, and proceeds to examine his fascination with the concept of time in a world where clocks have been prohibited and are regulated by time police.
"Chronopolis" appears in ... | Chronopolis (short story) | Physics | 105 |
68,009,575 | https://en.wikipedia.org/wiki/MERMOZ | MERMOZ (also, MERMOZ project and Monitoring planEtary suRfaces with Modern pOlarimetric characteriZation) is an astrobiology project designed to remotely detect biosignatures of life. Detection is based on molecular homochirality, a characteristic property of the biochemicals of life. The aim of the project is to remo... | MERMOZ | Chemistry,Astronomy,Biology,Environmental_science | 428 |
32,695,878 | https://en.wikipedia.org/wiki/Horizontal%20pitch | Horizontal pitch (HP) is a unit of length defined by the Eurocard printed circuit board standard used to measure the horizontal width of rack mounted electronic equipment, similar to the rack unit (U) used to measure vertical heights of rack mounted equipment. One HP is wide. A standard 19-inch rack is 95 HP wide of... | Horizontal pitch | Mathematics,Engineering | 100 |
5,830,353 | https://en.wikipedia.org/wiki/Collybia%20nuda | Collybia nuda, commonly known as the blewit or wood blewit and previously described as Lepista nuda and Clitocybe nuda, is an edible mushroom native to Europe and North America. Described by Pierre Bulliard in 1790, it was also known as Tricholoma nudum for many years. It is found in both coniferous and deciduous woodl... | Collybia nuda | Biology | 1,413 |
4,217,131 | https://en.wikipedia.org/wiki/Ditellurium%20decafluoride | Ditellurium decafluoride was widely reported in the literature but what was believed to be Te2F10 has been shown to be teflic anhydride, F5TeOTeF5. An account as to how this error occurred was made by P. M. Watkins.
If it existed, it would be valence isoelectronic with disulfur decafluoride, and have a similar struct... | Ditellurium decafluoride | Chemistry | 114 |
24,505,456 | https://en.wikipedia.org/wiki/Gymnopilus%20tropicus | Gymnopilus tropicus is a species of mushroom in the family Hymenogastraceae.
See also
List of Gymnopilus species
External links
Gymnopilus tropicus at Index Fungorum
tropicus
Fungus species | Gymnopilus tropicus | Biology | 52 |
60,876,593 | https://en.wikipedia.org/wiki/Nilsson%20model | The Nilsson model is a nuclear shell model treating the atomic nucleus as a deformed sphere. In 1953, the first experimental examples were found of rotational bands in nuclei, with their energy levels following the same J(J+1) pattern of energies as in rotating molecules. Quantum mechanically, it is impossible to have ... | Nilsson model | Physics | 1,568 |
52,294,456 | https://en.wikipedia.org/wiki/Maximilian%20Fichtner | Maximilian Fichtner (born 1961 in Heidelberg, Germany) is professor for Solid State Chemistry at the Ulm University and executive director of the Helmholtz Institute Ulm for Electrochemical Energy Storage (HIU).
Education
Fichtner was educated in Food Chemistry and Chemistry at the University Karlsruhe, now Karlsruhe... | Maximilian Fichtner | Chemistry | 907 |
8,674,784 | https://en.wikipedia.org/wiki/Soricomorpha | Soricomorpha (from Greek "shrew-form") is a formerly used taxon within the class of mammals. In the past it formed a significant group within the former order Insectivora. However, Insectivora was shown to be polyphyletic and various new orders were split off from it, including Afrosoricida (tenrecs, golden moles, otte... | Soricomorpha | Biology | 508 |
23,637 | https://en.wikipedia.org/wiki/Phase%20%28matter%29 | In the physical sciences, a phase is a region of material that is chemically uniform, physically distinct, and (often) mechanically separable. In a system consisting of ice and water in a glass jar, the ice cubes are one phase, the water is a second phase, and the humid air is a third phase over the ice and water. The ... | Phase (matter) | Physics,Chemistry,Materials_science,Engineering | 2,067 |
25,700,376 | https://en.wikipedia.org/wiki/Corynebacteriophage | A corynebacteriophage (or just corynephage) is a DNA-containing bacteriophage specific for bacteria of genus Corynebacterium as its host. Corynebacterium diphtheriae virus strain Corynebacterium diphtheriae phage (aka Corynephage β or just β-phage) introduces toxigenicity into strains of Corynebacterium diphtheriae as ... | Corynebacteriophage | Biology | 1,145 |
30,310,414 | https://en.wikipedia.org/wiki/SN%202010lt | SN 2010lt is a supernova located in the galaxy UGC 3378 in Camelopardalis. It was discovered by amateur astronomers Kathryn Aurora Gray, her father Paul Gray, of Fredericton, New Brunswick, Canada and David J. Lane of Stillwater Lake, Nova Scotia, Canada. Upon discovery, Kathryn Aurora Gray became the youngest person ... | SN 2010lt | Chemistry,Astronomy | 419 |
5,162,675 | https://en.wikipedia.org/wiki/Tibolone | Tibolone, sold under the brand name Livial among others, is a medication which is used in menopausal hormone therapy and in the treatment of postmenopausal osteoporosis and endometriosis. The medication is available alone and is not formulated or used in combination with other medications. It is taken by mouth.
Side e... | Tibolone | Chemistry | 3,620 |
54,983,009 | https://en.wikipedia.org/wiki/Thioxoethenylidene | Thioxoethenylidene, is a reactive heteroallene molecule with formula CCS.
Occurrence
CCS is found in space in large quantities. This includes the Taurus Molecular Cloud in TMC-1, TMC-1c and L1521B. These are likely in young starless molecular cloud cores.
Production
By condensing propadienedithione SCCCS or thioxopr... | Thioxoethenylidene | Chemistry | 458 |
31,813,101 | https://en.wikipedia.org/wiki/Hopeaphenol | Hopeaphenol is a stilbenoid. It is a resveratrol tetramer. It has been first isolated from Dipterocarpaceae like Shorea ovalis. It has also been isolated from wines from North Africa.
It shows an opposite effect to vitisin A on apoptosis of myocytes isolated from adult rat heart.
See also
Phenolic compounds in wine... | Hopeaphenol | Chemistry | 99 |
93,466 | https://en.wikipedia.org/wiki/Apache%20Xalan | Xalan is a popular open source software library from the Apache Software Foundation, that implements the XSLT 1.0 XML transformation language and the XPath 1.0 language. The Xalan XSLT processor is available for both the Java and C++ programming languages. It combines technology from two main sources: an XSLT processor... | Apache Xalan | Technology | 159 |
20,863,982 | https://en.wikipedia.org/wiki/Ground%20reconnaissance | Ground reconnaissance (also terrestrial reconnaissance, ground recon), is a type of reconnaissance that is employed along the elements of ground warfare. It is the collection of intelligence that strictly involves routes, areas, zones (terrain-oriented); and the enemy (force-oriented). Ground reconnaissance is consid... | Ground reconnaissance | Engineering | 167 |
14,447,758 | https://en.wikipedia.org/wiki/Generic%20Bootstrapping%20Architecture | Generic Bootstrapping Architecture (GBA) is a technology that enables the authentication of a user. This authentication is possible if the user owns a valid identity on an HLR (Home Location Register) or on an HSS (Home Subscriber Server).
GBA is standardized at the 3GPP (http://www.3gpp.org/ftp/Specs/html-info/33220.... | Generic Bootstrapping Architecture | Technology | 1,099 |
1,410,424 | https://en.wikipedia.org/wiki/Dettol | Dettol is a brand line of products used for disinfection and as an antiseptic. This brand was created with the introduction of Dettol antiseptic liquid in 1933 by the British company Reckitt and Colman. The Dettol brand line has been expanded over the years and now includes products containing many different active ing... | Dettol | Chemistry | 371 |
49,630,805 | https://en.wikipedia.org/wiki/3D%20cell%20culture%20in%20wood-based%20nanocellulose%20hydrogel | Hydrogel from wood-based nanofibrillated cellulose (NFC) is used as a matrix for 3D cell culture, providing a three-dimensional environment that more closely resembles the conditions found in living tissue.
As plant based material, it does not contain any human- or animal-derived components. Nanocellulose is instead d... | 3D cell culture in wood-based nanocellulose hydrogel | Biology | 415 |
52,970,612 | https://en.wikipedia.org/wiki/Krishnan%20Raghavachari | Krishnan Raghavachari (born 3 April 1953, in Chennai, India) is a Professor of Chemistry at Indiana University Bloomington.
Raghavachari began his education in his native India, completing his undergraduate degree in 1973 at Madras University and his masters from the Indian Institute of Technology in 1975. Following t... | Krishnan Raghavachari | Chemistry | 406 |
34,971,906 | https://en.wikipedia.org/wiki/Phyllochron | The phyllochron is the intervening period between the sequential emergence of leaves on the main stem of a plant, also rendered as leaf appearance−1. This measurement is used by botanists and agronomists to describe the growth and development of plants, especially cereals. The term phyllochron was first described in 19... | Phyllochron | Biology | 344 |
20,622,617 | https://en.wikipedia.org/wiki/Three-point%20estimation | The three-point estimation technique is used in management and information systems applications for the construction of an approximate probability distribution representing the outcome of future events, based on very limited information. While the distribution used for the approximation might be a normal distribution, ... | Three-point estimation | Mathematics | 741 |
48,609,392 | https://en.wikipedia.org/wiki/Group%20Fortifications%20Francois-de-Guise | The , renamed Group Fortifications Francois-de-Guise after 1919 by the French, is a military structure located in the municipality of Châtel-Saint-Germain, close to Metz. It is part of the second fortified belt of forts of Metz and had its baptism of fire in late 1944, when the Battle of Metz occurred.
Historical cont... | Group Fortifications Francois-de-Guise | Engineering | 2,927 |
3,898,076 | https://en.wikipedia.org/wiki/List%20of%20AMD%20graphics%20processing%20units | The following is a list that contains general information about GPUs and video cards made by AMD, including those made by ATI Technologies before 2006, based on official specifications in table-form.
Field explanations
The headers in the table listed below describe the following:
Model – The marketing name for the G... | List of AMD graphics processing units | Technology | 4,314 |
4,319,717 | https://en.wikipedia.org/wiki/Electrostatic%20fieldmeter | An electrostatic fieldmeter, also called a static meter is a tool used in the static control industry. It is used for non-contact measurement of electrostatic charge on an object. It measures the force between the induced charges in a sensor and the charge present on the surface of an object. This force is converted to... | Electrostatic fieldmeter | Technology,Engineering | 347 |
316,966 | https://en.wikipedia.org/wiki/Ecological%20modernization | Ecological modernization is a school of thought that argues that both the state and the market can work together to protect the environment. It has gained increasing attention among scholars and policymakers in the last several decades internationally. It is an analytical approach as well as a policy strategy and envir... | Ecological modernization | Chemistry,Engineering,Environmental_science | 2,375 |
19,169,796 | https://en.wikipedia.org/wiki/Mouse%20warping | Mouse warping is a facility provided by some window managers that automatically positions the pointer to the centre of the current application window when the application is made current.
Window managers that support mouse warping
afterstep
awesome
wmii
User interface techniques | Mouse warping | Technology | 50 |
27,152,751 | https://en.wikipedia.org/wiki/Vsevolod%20Klechkovsky | Vsevolod Mavrikievich Klechkovsky (; also transliterated as Klechkovskii and Klechkowski; November 28, 1900 – May 2, 1972) was a Soviet and Russian agricultural chemist known for his work with radioisotopes.
Biography
He graduated in 1929 from the Moscow agricultural academy and worked there from 1930. He became a pro... | Vsevolod Klechkovsky | Chemistry | 314 |
22,688,097 | https://en.wikipedia.org/wiki/Branches%20of%20physics | Physics is a scientific discipline that seeks to construct and experimentally test theories of the physical universe. These theories vary in their scope and can be organized into several distinct branches, which are outlined in this article.
Classical mechanics
Classical mechanics is a model of the physics of forces... | Branches of physics | Physics | 1,773 |
18,931,962 | https://en.wikipedia.org/wiki/Software%20maintainer | In free and open source software and inner source software, a software maintainer or package maintainer is usually one or more people who build source code into a binary package for distribution, commit patches, or organize code in a source repository. If the maintainer stops doing their work on the project, then the d... | Software maintainer | Engineering | 145 |
63,506,637 | https://en.wikipedia.org/wiki/NGC%20736 | NGC 736 is an elliptical galaxy in the constellation Triangulum. It is an estimated 200 million light years from the Milky Way and has a diameter of approximately 85,000 light years. NGC 736 was discovered on September 12, 1784 by the German-British astronomer William Herschel.
See also
List of NGC objects (1–1000)
... | NGC 736 | Astronomy | 85 |
41,975,647 | https://en.wikipedia.org/wiki/Elvis%20operator | In certain computer programming languages, the Elvis operator, often written ?:, is a binary operator that returns the evaluated first operand if that operand evaluates to a value likened to logically true (according to a language-dependent convention, in other words, a truthy value), and otherwise returns the evaluate... | Elvis operator | Mathematics | 1,083 |
46,179,854 | https://en.wikipedia.org/wiki/Touch%20Surgery | Touch Surgery is a London, New York City, Sydney and Auckland-based health technology app and trading name for the company Digital Surgery LTD. Digital Surgery is a health tech company shaping the future of surgery through the convergence of surgical expertise and technology. The app was first discussed in 2010. The ... | Touch Surgery | Biology | 915 |
57,117,782 | https://en.wikipedia.org/wiki/Spot-tag | A Spot-tag is a 12-amino acid peptide tag recognized by a single-domain antibody (sdAb, or nanobody). Due to the small size of a Spot-tag (12 amino acids) and the robust Spot-nanobody (14.7 kD) that specifically binds to Spot-tagged proteins, Spot-tag can be used for multiple capture and detection applications: Immunop... | Spot-tag | Chemistry | 150 |
147,184 | https://en.wikipedia.org/wiki/Broadband | In telecommunications, broadband or high speed is the wide-bandwidth data transmission that exploits signals at a wide spread of frequencies or several different simultaneous frequencies, and is used in fast Internet access. The transmission medium can be coaxial cable, optical fiber, wireless Internet (radio), twisted... | Broadband | Technology | 3,155 |
8,828,258 | https://en.wikipedia.org/wiki/MOS-controlled%20thyristor | An MOS-controlled thyristor (MCT) is a voltage-controlled fully controllable thyristor, controlled by MOSFETs (metal–oxide–semiconductor field-effect transistors). It was invented by V.A.K. Temple in 1984, and was principally similar to the earlier insulated-gate bipolar transistor (IGBT). MCTs are similar in operation... | MOS-controlled thyristor | Engineering | 360 |
16,713,695 | https://en.wikipedia.org/wiki/Elizabeth%20Furnace | Elizabeth Furnace was a blast furnace in the Shenandoah Valley that was used to create pig iron from 1836 to 1888 using Passage Creek for water power. Iron ore was mined nearby, purified in the furnace, and then pig iron was transported over the Massanutten Mountain to the South Fork of the Shenandoah River for forging... | Elizabeth Furnace | Chemistry | 343 |
64,538,576 | https://en.wikipedia.org/wiki/Peter%20Henrici%20Prize | The Peter Henrici Prize (; ; ) is a prize awarded jointly by ETH Zurich and the Society for Industrial and Applied Mathematics (SIAM) for "original contributions to applied analysis and numerical analysis and/or for exposition appropriate for applied mathematics and scientific computing". The prize is named in honor of... | Peter Henrici Prize | Mathematics | 298 |
9,445,193 | https://en.wikipedia.org/wiki/Attack%20of%20the%20Alligators%21 | "Attack of the Alligators!" is an episode of Thunderbirds, a British Supermarionation television series created by Gerry and Sylvia Anderson and filmed by their production company AP Films (APF) for ITC Entertainment. Written by Alan Pattillo and directed by David Lane, it was first broadcast on 10 March 1966 on ATV Mi... | Attack of the Alligators! | Physics,Mathematics | 2,756 |
15,369,710 | https://en.wikipedia.org/wiki/Ceramic%20colorants | Ceramic colorants are added to a glaze or a clay to create color. Carbonates and oxides of certain metals, characterize most colorants including the commonly used cobalt carbonate, cobalt oxide, chrome oxide, red iron oxide, and copper carbonate. These colorants can create a multitude of colors depending on other mater... | Ceramic colorants | Engineering | 731 |
13,398,531 | https://en.wikipedia.org/wiki/Metaclazepam | Metaclazepam (marketed under the brand name Talis) is a drug which is a benzodiazepine derivative. It is a relatively selective anxiolytic with less sedative or muscle relaxant properties than other benzodiazepines such as diazepam or bromazepam. It has an active metabolite N-desmethylmetaclazepam, which is the main me... | Metaclazepam | Chemistry | 245 |
28,047,484 | https://en.wikipedia.org/wiki/Alfredo%20di%20Braccio%20Award | The Alfredo di Braccio Award is a prestigious prize for young Italian scientists given by the Italian Accademia Nazionale dei Lincei.
Award winners
Every year a top young chemist or physicist receives this honor for their research.
2008 Chemistry prize was awarded to Lorenzo Malavasi (University of Pavia, Italy)
2... | Alfredo di Braccio Award | Technology | 468 |
14,775,368 | https://en.wikipedia.org/wiki/Elastration | Elastration (a portmanteau of "elastic" and "castration") is a bloodless method of male castration and docking commonly used for livestock. Elastration is simply banding the body part (scrotum or tail) until it drops off. This method is favored for its simplicity, low cost, and minimal training requirements.
Castratio... | Elastration | Biology | 653 |
7,402,988 | https://en.wikipedia.org/wiki/C-MAC | C-MAC is the television technology variant approved by the European Broadcasting Union (EBU) for satellite transmissions. The digital information is modulated using 2-4PSK (phase-shift keying), a variation of quadrature PSK where only two of the phaser angles (±90°) are used.
The data capacity for C-MAC is 3 Mbit/s.
... | C-MAC | Technology | 414 |
1,933,920 | https://en.wikipedia.org/wiki/List%20of%20Mozilla%20products | The following is a list of Mozilla Foundation / Mozilla Corp. products. All products, unless specified, are cross-platform by design.
Client applications
Firefox Browser - An open-source web browser.
Firefox Focus - A privacy-focused mobile web browser.
Firefox for Android (also Firefox Daylight) - A web browser ... | List of Mozilla products | Technology | 1,029 |
22,055,406 | https://en.wikipedia.org/wiki/July%202028%20lunar%20eclipse | A partial lunar eclipse will occur at the Moon’s ascending node of orbit on Thursday, July 6, 2028, with an umbral magnitude of 0.3908. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A partial lunar eclipse occurs when one part of the Moon is in the Earth's umbra, w... | July 2028 lunar eclipse | Astronomy | 621 |
32,903,628 | https://en.wikipedia.org/wiki/Granule%20%28geology%29 | A granule is a clast of rock with a particle size of 2 to 4 millimetres based on the Krumbein phi scale of sedimentology. Granules are generally considered to be larger than sand (0.0625 to 2 millimetres diameter) and smaller than pebbles (4 to 64 millimetres diameter). A rock made predominantly of granules is termed a... | Granule (geology) | Physics,Chemistry | 100 |
45,204,119 | https://en.wikipedia.org/wiki/Drilling%20jumbo | A Drilling jumbo or drill jumbo is a rock drilling machine.
Use
Drilling jumbos are usually used in underground mining, if mining is done by drilling and blasting. They are also used in tunnelling, if rock hardness prevents use of tunnelling machines. It is considered as a powerful tool to facilitate labor-intensive ... | Drilling jumbo | Engineering | 259 |
53,450,372 | https://en.wikipedia.org/wiki/Plasmodium%20falciparum%20erythrocyte%20membrane%20protein%201 | Plasmodium falciparum erythrocyte membrane protein 1 (PfEMP1) is a family of proteins present on the membrane surface of red blood cells (RBCs or erythrocytes) that are infected by the malarial parasite Plasmodium falciparum. PfEMP1 is synthesized during the parasite's blood stage (erythrocytic schizogony) inside the R... | Plasmodium falciparum erythrocyte membrane protein 1 | Chemistry | 4,100 |
22,562,213 | https://en.wikipedia.org/wiki/Phytanoyl-CoA | Phytanoyl-CoA is a coenzyme A derivative of phytanic acid.
The enzyme phytanoyl-CoA hydroxylase catalyses hydroxylation of phytanoyl-CoA.
References
Thioesters of coenzyme A | Phytanoyl-CoA | Chemistry | 57 |
8,725,881 | https://en.wikipedia.org/wiki/Aspen%20Achievement%20Academy | Aspen Achievement Academy was a wilderness therapy program for adolescents, based in Loa, Utah.
It was operated as a part of Aspen Education Group.
The program has been moved, in name only, and merged with another wilderness therapy program in Utah - Outback Therapeutic Expeditions - in March 2011.
According to the ... | Aspen Achievement Academy | Biology | 548 |
8,531,714 | https://en.wikipedia.org/wiki/Electric%20Power%20Research%20Institute | EPRI, is an American independent, nonprofit organization that conducts research and development related to the generation, delivery, and use of electricity to help address challenges in the energy industry, including reliability, efficiency, affordability, health, safety, and the environment.
EPRI's principal offices ... | Electric Power Research Institute | Engineering | 599 |
13,037,094 | https://en.wikipedia.org/wiki/Trichloro%28dichlorophenyl%29silane | Trichloro(dichlorophenyl)silane is a family of chemical compounds, all with formula Si(C6H3Cl2)Cl3.
See also
Organosilicon#Silyl halides
Organochlorosilanes
Chlorobenzene derivatives | Trichloro(dichlorophenyl)silane | Chemistry | 62 |
4,364,853 | https://en.wikipedia.org/wiki/Digestion%20%28alchemy%29 | In alchemy, digestion refers to the process by which raw materials are transformed into a more purified or refined state. This concept is akin to the biological process of digestion in living organisms, where food is broken down into simpler forms for nourishment. However, in alchemy, digestion is metaphorical and symb... | Digestion (alchemy) | Chemistry | 469 |
15,185,443 | https://en.wikipedia.org/wiki/Korn%27s%20inequality | In mathematical analysis, Korn's inequality is an inequality concerning the gradient of a vector field that generalizes the following classical theorem: if the gradient of a vector field is skew-symmetric at every point, then the gradient must be equal to a constant skew-symmetric matrix. Korn's theorem is a quantitat... | Korn's inequality | Physics,Mathematics | 331 |
39,516,295 | https://en.wikipedia.org/wiki/Pomato | The pomato (a portmanteau of potato and tomato), also known as a tomtato, is a grafted plant that is produced by grafting together tomato plant and a potato plant, both of which are members of the Solanum genus in the Solanaceae (nightshade) family. Cherry tomatoes grow on the vine, while white potatoes grow in the soi... | Pomato | Biology | 749 |
2,957,747 | https://en.wikipedia.org/wiki/Trimetaphan%20camsilate | Trimetaphan camsilate (INN) or trimethaphan camsylate (USAN), trade name Arfonad, is a sympatholytic drug used in rare circumstances to lower blood pressure.
Trimetaphan is a ganglionic blocker: it counteracts cholinergic transmission at a specific type of nicotinic acetylcholine receptors in the autonomic ganglia and... | Trimetaphan camsilate | Chemistry | 602 |
62,431,273 | https://en.wikipedia.org/wiki/Puccinia%20sorghi | Puccinia sorghi, or common rust of maize, is a species of rust fungus that infects corn and species from the plant genus Oxalis.
Host and symptoms
Puccinia sorghi often first appears after silking in maize. The first early symptom includes chlorotic specks on the leaf. The obvious sign of this plant pathogen is golden... | Puccinia sorghi | Biology | 886 |
57,901,226 | https://en.wikipedia.org/wiki/Harold%20P.%20Eubank | Harold Porter Eubank (23 October 1924 – 23 March 2006, in Kilmarnock, Virginia) was an American physicist, specializing in magnetic fusion energy research.
Eubank grew up in rural Virginia and then in WW II served in the U.S. Army, receiving a Bronze Star. He received in 1948 a B.S. in physics from the College of Will... | Harold P. Eubank | Physics | 325 |
11,671,698 | https://en.wikipedia.org/wiki/Soil%20salinity%20control | Soil salinity control refers to controlling the process and progress of soil salinity to prevent soil degradation by salination and reclamation of already salty (saline) soils. Soil reclamation is also known as soil improvement, rehabilitation, remediation, recuperation, or amelioration.
The primary man-made cause of ... | Soil salinity control | Environmental_science | 3,662 |
6,160,943 | https://en.wikipedia.org/wiki/Huayco | A huaico or huayco (from the Quechua wayqu, meaning "depth, valley") is an Andean term for the mudslide and flash flood caused by torrential rains occurring high in the mountains, especially during the weather phenomenon known as El Niño.
National forests such as the San Matías–San Carlos Protection Forest were create... | Huayco | Chemistry,Engineering,Environmental_science | 218 |
6,317,531 | https://en.wikipedia.org/wiki/281%20%28number%29 | 281 is the natural number following 280 and preceding 282. It is also a prime number.
In mathematics
281 is a twin prime with 283, Sophie Germain prime, sum of the first fourteen primes, sum of seven consecutive primes (29 + 31 + 37 + 41 + 43 + 47 + 53), Chen prime, Eisenstein prime with no imaginary part, and a cen... | 281 (number) | Mathematics | 152 |
15,838,199 | https://en.wikipedia.org/wiki/Thymosin%20beta-4 | Thymosin beta-4 is a protein that in humans is encoded by the TMSB4X gene. Recommended INN (International Nonproprietary Name) for thymosin beta-4 is 'timbetasin', as published by the World Health Organization (WHO).
The protein consists (in humans) of 43 amino acids (sequence: SDKPDMAEI EKFDKSKLKK TETQEKNPLP SKETIEQE... | Thymosin beta-4 | Chemistry | 1,829 |
14,346,042 | https://en.wikipedia.org/wiki/Double-stranded%20RNA%20viruses | Double-stranded RNA viruses (dsRNA viruses) are a polyphyletic group of viruses that have double-stranded genomes made of ribonucleic acid. The double-stranded genome is used as a template by the viral RNA-dependent RNA polymerase (RdRp) to transcribe a positive-strand RNA functioning as messenger RNA (mRNA) for the h... | Double-stranded RNA viruses | Chemistry,Biology | 2,475 |
60,692,294 | https://en.wikipedia.org/wiki/If%20Trees%20Could%20Talk | If Trees Could Talk: Life Lessons from the Wisdom of the Woods is a non-fiction book by American author and podcaster, Holly Worton that offers spirituality and self-help through making contact with nature and talking to trees.
Summary
Part self-help and part spiritual, Worton's If Trees Could Talk is a guide to taki... | If Trees Could Talk | Biology | 624 |
17,336,523 | https://en.wikipedia.org/wiki/Descriptive%20interpretation | According to Rudolf Carnap, in logic, an interpretation is a descriptive interpretation (also called a factual interpretation) if at least one of the undefined symbols of its formal system becomes, in the interpretation, a descriptive sign (i.e., the name of single objects, or observable properties). In his Introductio... | Descriptive interpretation | Mathematics | 472 |
31,198 | https://en.wikipedia.org/wiki/Tuning%20fork | A tuning fork is an acoustic resonator in the form of a two-pronged fork with the prongs (tines) formed from a U-shaped bar of elastic metal (usually steel). It resonates at a specific constant pitch when set vibrating by striking it against a surface or with an object, and emits a pure musical tone once the high overt... | Tuning fork | Physics,Technology | 2,125 |
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