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https://en.wikipedia.org/wiki/Ternary%20computer | A ternary computer, also called trinary computer, is one that uses ternary logic (i.e., base 3) instead of the more common binary system (i.e., base 2) in its calculations. This means it uses trits (instead of bits, as most computers do).
Types of states
Ternary computing deals with three discrete states, but the ter... |
https://en.wikipedia.org/wiki/Web%20content%20development | Web content development is the process of researching, writing, gathering, organizing, and editing information for publication on websites. Website content may consist of prose, graphics, pictures, recordings, movies, or other digital assets that could be distributed by a hypertext transfer protocol server, and viewed ... |
https://en.wikipedia.org/wiki/Exoelectron%20emission | In atomic physics, exoelectron emission (EE) is a weak electron emission, appearing only from pretreated (irradiated, deformed etc.) objects. The pretreatment ("excitation") turns the objects into an unequilibrial state. EE accompanies the relaxation of these unequilibria. The relaxation can be stimulated e.g. by sligh... |
https://en.wikipedia.org/wiki/Tea%20seed%20oil | Tea seed oil (also known as camellia oil, camellia seed oil, teanut oil) is an edible plant oil. It is obtained from the seeds of Camellia oleifera.
Camellia sasanqua is also given as a source of 'tea seed oil.
Description
The genus Camellia includes several commercially important species - Camellia oleifera is grown... |
https://en.wikipedia.org/wiki/DCE%20Distributed%20File%20System | The DCE Distributed File System (DCE/DFS) is the remote file access protocol used with the Distributed Computing Environment. It was a variant of Andrew File System (AFS), based on the AFS Version 3.0 protocol that was developed commercially by Transarc Corporation. AFS Version 3.0 was in turn based on the AFS Version ... |
https://en.wikipedia.org/wiki/Ternary%20search%20tree | In computer science, a ternary search tree is a type of trie (sometimes called a prefix tree) where nodes are arranged in a manner similar to a binary search tree, but with up to three children rather than the binary tree's limit of two. Like other prefix trees, a ternary search tree can be used as an associative map s... |
https://en.wikipedia.org/wiki/Late%20bloomer | A late bloomer is a person whose talents or capabilities are not visible to others until later than usual. The term is used metaphorically to describe a child or adolescent who develops slower than others in their age group, but eventually catches up and in some cases overtakes their peers, or an adult whose talent or ... |
https://en.wikipedia.org/wiki/TRAIL | In the field of cell biology, TNF-related apoptosis-inducing ligand (TRAIL), is a protein functioning as a ligand that induces the process of cell death called apoptosis.
TRAIL is a cytokine that is produced and secreted by most normal tissue cells. It causes apoptosis primarily in tumor cells, by binding to certain d... |
https://en.wikipedia.org/wiki/Quantization%20%28music%29 | In digital music processing technology, quantization is the studio-software process of transforming performed musical notes, which may have some imprecision due to expressive performance, to an underlying musical representation that eliminates the imprecision. The process results in notes being set on beats and on exac... |
https://en.wikipedia.org/wiki/Situation%20awareness | Situational awareness or situation awareness (SA) is the understanding of an environment, its elements, and how it changes with respect to time or other factors. Situational awareness is important for effective decision making in many environments. It is formally defined as:
An alternative definition is that situatio... |
https://en.wikipedia.org/wiki/Qinpu | Qinpu () are tablature score collections for the guqin, a Chinese musical instrument.
Description
Qinpu are collections of tablatures of music for the guqin. In the past, music was passed on from teacher to student. Only recently has tablature been written down, often to preserve music or as a reference book. Tablatur... |
https://en.wikipedia.org/wiki/Bosonization | In theoretical condensed matter physics and quantum field theory, bosonization is a mathematical procedure by which a system of interacting fermions in (1+1) dimensions can be transformed to a system of massless, non-interacting bosons.
The method of bosonization was conceived independently by particle physicists Sidn... |
https://en.wikipedia.org/wiki/Supersplit%20supersymmetry | Supersplit supersymmetry was conceived as an April Fool's Day joke in 2005 by a group of young theoretical high energy physicists. It was meant as a parody of split supersymmetry.
The model proposed particles (beyond those of the Standard Model) which are decoupled, leaving no trace at low energies, therefore leaving ... |
https://en.wikipedia.org/wiki/Helicity%20%28particle%20physics%29 | In physics, helicity is the projection of the spin onto the direction of momentum.
Overview
The angular momentum J is the sum of an orbital angular momentum L and a spin S. The relationship between orbital angular momentum L, the position operator r and the linear momentum (orbit part) p is
so L's component in the d... |
https://en.wikipedia.org/wiki/Boustrophedon%20transform | In mathematics, the boustrophedon transform is a procedure which maps one sequence to another. The transformed sequence is computed by an "addition" operation, implemented as if filling a triangular array in a boustrophedon (zigzag- or serpentine-like) manner—as opposed to a "Raster Scan" sawtooth-like manner.
Definit... |
https://en.wikipedia.org/wiki/786%20%28number%29 | 786 (seven hundred [and] eighty-six) is the natural number following 785 and preceding 787.
In mathematics
786 is:
a sphenic number.
a Harshad number in bases 4, 5, 7, 14 and 16.
the aliquot sum of 510.
part of the 321329-aliquot tree. The complete aliquot sequence starting at 498 is: 498, 510, 786, 798, 1122, 1470, 2... |
https://en.wikipedia.org/wiki/Kretschmann%20scalar | In the theory of Lorentzian manifolds, particularly in the context of applications to general relativity, the Kretschmann scalar is a quadratic scalar invariant. It was introduced by Erich Kretschmann.
Definition
The Kretschmann invariant is
where is the Riemann curvature tensor (in this equation the Einstein summa... |
https://en.wikipedia.org/wiki/DejaGnu | DejaGnu is a software framework for testing other programs. It has a main script called runtest that goes through a directory looking at configuration files and then runs some tests with given criteria. The purpose of the DejaGnu package is to provide a single front end for all tests. It is a part of the GNU Project a... |
https://en.wikipedia.org/wiki/Methylglyoxal | Methylglyoxal (MGO) is the organic compound with the formula CH3C(O)CHO. It is a reduced derivative of pyruvic acid. It is a reactive compound that is implicated in the biology of diabetes. Methylglyoxal is produced industrially by degradation of carbohydrates using overexpressed methylglyoxal synthase.
Chemical st... |
https://en.wikipedia.org/wiki/Rotronics%20Wafadrive | The Rotronics Wafadrive is a magnetic tape storage peripheral launched in late 1984 for the ZX Spectrum home computer. Each tape is a continuous loop, unlike cassette tape. It was intended to compete with Sinclair's ZX Interface 1 and ZX Microdrive.
The Wafadrive comprises two continuous loop stringy floppy tape drive... |
https://en.wikipedia.org/wiki/Hasse%E2%80%93Witt%20matrix | In mathematics, the Hasse–Witt matrix H of a non-singular algebraic curve C over a finite field F is the matrix of the Frobenius mapping (p-th power mapping where F has q elements, q a power of the prime number p) with respect to a basis for the differentials of the first kind. It is a g × g matrix where C has genus g... |
https://en.wikipedia.org/wiki/Topographical%20code | In medicine, "topographical codes" (or "topography codes") are codes that indicate a specific location in the body.
Examples
Only the first of these is a system dedicated only to topography. The others are more generalized systems that contain topographic axes.
Nomina Anatomica (updated to Terminologia Anatomica)
I... |
https://en.wikipedia.org/wiki/Proceedings%20of%20the%20Physical%20Society | The Proceedings of the Physical Society was a journal on the subject of physics, originally associated with the Physical Society of London, England. In 1968, it was replaced by the Journal of Physics.
Journal history
1874–1925: Proceedings of the Physical Society of London
1926–1948: Proceedings of the Physical S... |
https://en.wikipedia.org/wiki/Physical%20Society%20of%20London | The Physical Society of London, England, was a scientific society which was founded in 1874. In 1921, it was renamed the Physical Society, and in 1960 it merged with the Institute of Physics (IOP), the combined organisation eventually adopting the name of the latter society.
The society was founded due to the efforts ... |
https://en.wikipedia.org/wiki/Hasse%20invariant%20of%20a%20quadratic%20form | In mathematics, the Hasse invariant (or Hasse–Witt invariant) of a quadratic form Q over a field K takes values in the Brauer group Br(K). The name "Hasse–Witt" comes from Helmut Hasse and Ernst Witt.
The quadratic form Q may be taken as a diagonal form
Σ aixi2.
Its invariant is then defined as the product of the ... |
https://en.wikipedia.org/wiki/Remote%20File%20Sharing | Remote File Sharing (RFS) is a Unix operating system component for sharing resources, such as files, devices, and file system directories, across a network, in a network-independent manner, similar to a distributed file system. It was developed at Bell Laboratories of AT&T in the 1980s, and was first delivered with UNI... |
https://en.wikipedia.org/wiki/Debadging | The term debadging refers to the process of removing the manufacturer's emblems from a vehicle. Common emblems to be removed include the manufacturer's logo as well as the emblems designating the model of the vehicle.
Often debadging is done to complement the smoothed-out bodywork of a modified car, or to disguise a... |
https://en.wikipedia.org/wiki/Enriques%E2%80%93Kodaira%20classification | In mathematics, the Enriques–Kodaira classification is a classification of compact complex surfaces into ten classes. For each of these classes, the surfaces in the class can be parametrized by a moduli space. For most of the classes the moduli spaces are well understood, but for the class of surfaces of general type t... |
https://en.wikipedia.org/wiki/Cross-interleaved%20Reed%E2%80%93Solomon%20coding | In the compact disc system, cross-interleaved Reed–Solomon code (CIRC) provides error detection and error correction. CIRC adds to every three data bytes one redundant parity byte.
Overview
Reed–Solomon codes are specifically useful in combating mixtures of random and burst errors. CIRC corrects error bursts up to 3,5... |
https://en.wikipedia.org/wiki/Fasciitis | Fasciitis is an inflammation of the fascia, which is the connective tissue surrounding muscles, blood vessels and nerves.
In particular, it often involves one of the following diseases:
Necrotizing fasciitis
Plantar fasciitis
Ischemic fasciitis, classified by the World Health Organization, 2020, as a specific tumo... |
https://en.wikipedia.org/wiki/Knowledge-based%20engineering | Knowledge-based engineering (KBE) is the application of knowledge-based systems technology to the domain of manufacturing design and production. The design process is inherently a knowledge-intensive activity, so a great deal of the emphasis for KBE is on the use of knowledge-based technology to support computer-aided ... |
https://en.wikipedia.org/wiki/SLITRK1 | SLITRK1 ("SLIT and NTRK-like family, member 1") is a human gene that codes for a transmembrane and signalling protein that is part of the SLITRK gene family, which is responsible for synapse regulation and presynaptic differentiation in the brain. Expression of the gene has been linked to early formation of excitatory... |
https://en.wikipedia.org/wiki/Acute%20interstitial%20pneumonitis | Acute interstitial pneumonitis (also known as acute interstitial pneumoniais a rare, severe lung disease that usually affects otherwise healthy individuals. There is no known cause or cure.
Acute interstitial pneumonitis is often categorized as both an interstitial lung disease and a form of acute respiratory distress... |
https://en.wikipedia.org/wiki/Phoenix%20Technologies | Phoenix Technologies Ltd is an American company that designs, develops and supports core system software for personal computers and other computing devices. The company's products commonly referred to as BIOS (Basic Input/Output System) or firmware support and enable the compatibility, connectivity, security and manage... |
https://en.wikipedia.org/wiki/Goldberger%E2%80%93Wise%20mechanism | In particle physics, the Goldberger–Wise mechanism is a popular mechanism that determines the size of the fifth dimension in Randall–Sundrum models. The mechanism uses a scalar field that propagates throughout the five-dimensional bulk. On each of the branes that end the fifth dimension (frequently referred to as the... |
https://en.wikipedia.org/wiki/Fuzzy%20sphere | In mathematics, the fuzzy sphere is one of the simplest and most canonical examples of non-commutative geometry. Ordinarily, the functions defined on a sphere form a commuting algebra. A fuzzy sphere differs from an ordinary sphere because the algebra of functions on it is not commutative. It is generated by spherical ... |
https://en.wikipedia.org/wiki/Hohlraum | In radiation thermodynamics, a hohlraum (a non-specific German word for a "hollow space" or "cavity") is a cavity whose walls are in radiative equilibrium with the radiant energy within the cavity. This idealized cavity can be approximated in practice by making a small perforation in the wall of a hollow container of ... |
https://en.wikipedia.org/wiki/INT%2013H | INT 13h is shorthand for BIOS interrupt call 13hex, the 20th interrupt vector in an x86-based (IBM PC-descended) computer system. The BIOS typically sets up a real mode interrupt handler at this vector that provides sector-based hard disk and floppy disk read and write services using cylinder-head-sector (CHS) addressi... |
https://en.wikipedia.org/wiki/Wine%20fault | A wine fault is a sensory-associated (organoleptic) characteristic of a wine that is unpleasant, and may include elements of taste, smell, or appearance, elements that may arise from a "chemical or a microbial origin", where particular sensory experiences (e.g., an off-odor) might arise from more than one wine fault. W... |
https://en.wikipedia.org/wiki/WWWJDIC | WWWJDIC is an online Japanese dictionary based on the electronic dictionaries compiled and collected by Australian academic Jim Breen. The main Japanese–English dictionary file (EDICT) contains over 180,000 entries, and the ENAMDICT dictionary contains over 720,000 Japanese surnames, first names, place names and produc... |
https://en.wikipedia.org/wiki/Panderichthys | Panderichthys is a genus of extinct sarcopterygian (lobe-finned fish) from the late Devonian period, about 380 Mya. Panderichthys, which was recovered from Frasnian (early Late Devonian) deposits in Latvia, is represented by two species. P. stolbovi is known only from some snout fragments and an incomplete lower jaw. P... |
https://en.wikipedia.org/wiki/Victor%20Glushkov | Victor Mikhailovich Glushkov (; August 24, 1923 – January 30, 1982) was a Soviet mathematician, the founding father of information technology in the Soviet Union and one of the founding fathers of Soviet cybernetics.
He was born in Rostov-on-Don, Russian SFSR, in the family of a mining engineer. Glushkov graduated fro... |
https://en.wikipedia.org/wiki/Edward%20Ginzton | Edward Leonard Ginzton (December 27, 1915 – August 13, 1998) was a Ukrainian-American engineer.
Education
Ginzton completed his B.S. (1936) and M.S. (1937) in Electrical Engineering at the University of California, Berkeley, and his Ph.D. in electrical engineering from Stanford University in 1941.
Career
As a student... |
https://en.wikipedia.org/wiki/Olga%20Oleinik | Olga Arsenievna Oleinik (also as Oleĭnik) HFRSE () (2 July 1925 – 13 October 2001) was a Soviet mathematician who conducted pioneering work on the theory of partial differential equations, the theory of strongly inhomogeneous elastic media, and the mathematical theory of boundary layers. She was a student of Ivan Petro... |
https://en.wikipedia.org/wiki/Nikolai%20Chebotaryov | Nikolai Grigorievich Chebotaryov (often spelled Chebotarov or Chebotarev, , ) ( – 2 July 1947) was a Soviet mathematician. He is best known for the Chebotaryov density theorem.
He was a student of Dmitry Grave, a Russian mathematician. Chebotaryov worked on the algebra of polynomials, in particular examining the distr... |
https://en.wikipedia.org/wiki/Jan%20%C5%9Aleszy%C5%84ski | Ivan Vladislavovich Sleshinsky or Jan Śleszyński () (23 July 1854 – 9 March 1931) was a Polish-Russian mathematician. He was born in Lysianka, Russian Empire to Polish parents.
Life
Śleszyński's main work was on continued fractions, least squares and axiomatic proof theory based on mathematical logic. He and Alfred P... |
https://en.wikipedia.org/wiki/Aegyptosaurus | Aegyptosaurus (meaning 'Egypt's lizard') is a genus of sauropod dinosaur that lived in what is now Africa, around 95 million years ago, during the Late Cretaceous Period (Cenomanian faunal stage).
Discovery and naming
The holotype (1912VIII61) consists of three caudal vertebrae, a partial scapula, and some limb bone... |
https://en.wikipedia.org/wiki/Ciprian%20Manolescu | Ciprian Manolescu (born December 24, 1978) is a Romanian-American mathematician, working in gauge theory, symplectic geometry, and low-dimensional topology. He is currently a professor of mathematics at Stanford University.
Biography
Manolescu completed his first eight classes at School no. 11 Mihai Eminescu and his s... |
https://en.wikipedia.org/wiki/Electronic%20lock | An electronic lock (or electric lock) is a locking device which operates by means of electric current. Electric locks are sometimes stand-alone with an electronic control assembly mounted directly to the lock. Electric locks may be connected to an access control system, the advantages of which include: key control, whe... |
https://en.wikipedia.org/wiki/Repeat%20sign | In music, a repeat sign is a sign that indicates a section should be repeated. If the piece has one repeat sign alone, then that means to repeat from the beginning, and then continue on (or stop, if the sign appears at the end of the piece). A corresponding sign facing the other way indicates where the repeat is to beg... |
https://en.wikipedia.org/wiki/Fermi%20acceleration | Fermi acceleration, sometimes referred to as diffusive shock acceleration (a subclass of Fermi acceleration), is the acceleration that charged particles undergo when being repeatedly reflected, usually by a magnetic mirror (see also Centrifugal mechanism of acceleration). It receives its name from physicist Enrico Ferm... |
https://en.wikipedia.org/wiki/Novikov%20conjecture | The Novikov conjecture is one of the most important unsolved problems in topology. It is named for Sergei Novikov who originally posed the conjecture in 1965.
The Novikov conjecture concerns the homotopy invariance of certain polynomials in the Pontryagin classes of a manifold, arising from the fundamental group. Acc... |
https://en.wikipedia.org/wiki/Toilet-related%20injuries%20and%20deaths | There have been many toilet-related injuries and deaths throughout history and in urban legends. Dr Caolan Coleman was injured while trying to defecate in private while at work. With the excitement of the event, he stood up too quickly hitting his head off a cupboard. This caused a laceration which required glue to hea... |
https://en.wikipedia.org/wiki/Nikolay%20Krylov%20%28mathematician%2C%20born%201879%29 | Nikolay Mitrofanovich Krylov (, ; – May 11, 1955) was a Russian and Soviet mathematician known for works on interpolation, non-linear mechanics, and numerical methods for solving equations of mathematical physics.
Biography
Nikolay Krylov graduated from St. Petersburg State Mining Institute in 1902. In the period fro... |
https://en.wikipedia.org/wiki/Ganbare%20Goemon%21%20Karakuri%20D%C5%8Dch%C5%AB | is a video game produced by Konami. It is the second game in the Ganbare Goemon series (sometimes known in English as Mystical Ninja) and the first to be released on a video game console and home computer. It was initially released for the Family Computer on July 30, 1986 and later released for the MSX2 a year later. T... |
https://en.wikipedia.org/wiki/.NET%20My%20Services | .NET My Services (codenamed Hailstorm) is an abandoned collection of XML-based Web services by Microsoft for storing and retrieving information. NET My Services was announced on March 19, 2001 as part of Microsoft's .NET initiative and was intended to rely on what was then known as a Microsoft Passport, a single sign-i... |
https://en.wikipedia.org/wiki/Vafa%E2%80%93Witten%20theorem | In theoretical physics, the Vafa–Witten theorem, named after Cumrun Vafa and Edward Witten, is a theorem that shows that vector-like global symmetries (those that transform as expected under reflections) such as isospin and baryon number in vector-like gauge theories like quantum chromodynamics cannot be spontaneously ... |
https://en.wikipedia.org/wiki/Weil%27s%20conjecture%20on%20Tamagawa%20numbers | In mathematics, the Weil conjecture on Tamagawa numbers is the statement that the Tamagawa number of a simply connected simple algebraic group defined over a number field is 1. In this case, simply connected means "not having a proper algebraic covering" in the algebraic group theory sense, which is not always the top... |
https://en.wikipedia.org/wiki/List%20of%20eponyms%20of%20special%20functions | This is a list of special function eponyms in mathematics, to cover the theory of special functions, the differential equations they satisfy, named differential operators of the theory (but not intended to include every mathematical eponym). Named symmetric functions, and other special polynomials, are included.
A
Nie... |
https://en.wikipedia.org/wiki/Whittaker%20function | In mathematics, a Whittaker function is a special solution of Whittaker's equation, a modified form of the confluent hypergeometric equation introduced by to make the formulas involving the solutions more symmetric. More generally, introduced Whittaker functions of reductive groups over local fields, where the functi... |
https://en.wikipedia.org/wiki/Degree-constrained%20spanning%20tree | In graph theory, a degree-constrained spanning tree is a spanning tree where the maximum vertex degree is limited to a certain constant k. The degree-constrained spanning tree problem is to determine whether a particular graph has such a spanning tree for a particular k.
Formal definition
Input: n-node undirected gra... |
https://en.wikipedia.org/wiki/List%20of%20organisms%20by%20chromosome%20count | The list of organisms by chromosome count describes ploidy or numbers of chromosomes in the cells of various plants, animals, protists, and other living organisms. This number, along with the visual appearance of the chromosome, is known as the karyotype, and can be found by looking at the chromosomes through a microsc... |
https://en.wikipedia.org/wiki/Spatial%20frequency | In mathematics, physics, and engineering, spatial frequency is a characteristic of any structure that is periodic across position in space. The spatial frequency is a measure of how often sinusoidal components (as determined by the Fourier transform) of the structure repeat per unit of distance.
The SI unit of spatia... |
https://en.wikipedia.org/wiki/Cascading%20gauge%20theory | In theoretical physics, a cascading gauge theory is a gauge theory whose coupling rapidly changes with the scale in such a way that Seiberg duality must be applied many times.
Igor Klebanov and Matthew Strassler studied this kind of N=1 gauge theory in the context of the AdS-CFT correspondence, which is dual to the ... |
https://en.wikipedia.org/wiki/Point%20groups%20in%20two%20dimensions | In geometry, a two-dimensional point group or rosette group is a group of geometric symmetries (isometries) that keep at least one point fixed in a plane. Every such group is a subgroup of the orthogonal group O(2), including O(2) itself. Its elements are rotations and reflections, and every such group containing only ... |
https://en.wikipedia.org/wiki/Berezinian | In mathematics and theoretical physics, the Berezinian or superdeterminant is a generalization of the determinant to the case of supermatrices. The name is for Felix Berezin. The Berezinian plays a role analogous to the determinant when considering coordinate changes for integration on a supermanifold.
Definition
The ... |
https://en.wikipedia.org/wiki/Hamiltonian%20fluid%20mechanics | Hamiltonian fluid mechanics is the application of Hamiltonian methods to fluid mechanics. Note that this formalism only applies to nondissipative fluids.
Irrotational barotropic flow
Take the simple example of a barotropic, inviscid vorticity-free fluid.
Then, the conjugate fields are the mass density field ρ and the... |
https://en.wikipedia.org/wiki/IR/UV%20mixing | In theoretical physics, it is usually possible to organize physical phenomena according to the energy scale or distance scale. The theory of renormalization group is based on this paradigm. The short-distance, ultraviolet (UV) physics does not directly affect qualitative features of the long-distance, infrared (IR) phy... |
https://en.wikipedia.org/wiki/Massive%20gravity | In theoretical physics, massive gravity is a theory of gravity that modifies general relativity by endowing the graviton with a nonzero mass. In the classical theory, this means that gravitational waves obey a massive wave equation and hence travel at speeds below the speed of light.
Background
Massive gravity has a ... |
https://en.wikipedia.org/wiki/Composite%20gravity | In theoretical physics, composite gravity refers to models that attempted to derive general relativity in a framework where the graviton is constructed as a composite bound state of more elementary particles, usually fermions. A theorem by Steven Weinberg and Edward Witten shows that this is not possible in Lorentz cov... |
https://en.wikipedia.org/wiki/Victorian%20Web | The Victorian Web is a hypertext project derived from hypermedia environments, Intermedia and Storyspace, that anticipated the World Wide Web. Initially created between 1988 and 1990 with 1,500 documents, it has grown to over 128,500 items in July 2023. In contrast to archives and web-based libraries, the Victorian Web... |
https://en.wikipedia.org/wiki/Four-tensor | In physics, specifically for special relativity and general relativity, a four-tensor is an abbreviation for a tensor in a four-dimensional spacetime.
Generalities
General four-tensors are usually written in tensor index notation as
with the indices taking integer values from 0 to 3, with 0 for the timelike componen... |
https://en.wikipedia.org/wiki/Torsion%20%28mechanics%29 | In the field of solid mechanics, torsion is the twisting of an object due to an applied torque. Torsion is expressed in either the pascal (Pa), an SI unit for newtons per square metre, or in pounds per square inch (psi) while torque is expressed in newton metres (N·m) or foot-pound force (ft·lbf). In sections perpendic... |
https://en.wikipedia.org/wiki/Torsion%20of%20a%20curve | In the differential geometry of curves in three dimensions, the torsion of a curve measures how sharply it is twisting out of the osculating plane. Taken together, the curvature and the torsion of a space curve are analogous to the curvature of a plane curve. For example, they are coefficients in the system of differe... |
https://en.wikipedia.org/wiki/Torsion%20%28algebra%29 | In mathematics, specifically in ring theory, a torsion element is an element of a module that yields zero when multiplied by some non-zero-divisor of the ring. The torsion submodule of a module is the submodule formed by the torsion elements. A torsion module is a module that equals its torsion submodule. A module is t... |
https://en.wikipedia.org/wiki/List%20of%20topology%20topics | In mathematics, topology (from the Greek words , and ) is concerned with the properties of a geometric object that are preserved under continuous deformations, such as stretching, twisting, crumpling and bending, but not tearing or gluing.
A topological space is a set endowed with a structure, called a topology, which... |
https://en.wikipedia.org/wiki/Phenotypic%20plasticity | Phenotypic plasticity refers to some of the changes in an organism's behavior, morphology and physiology in response to a unique environment. Fundamental to the way in which organisms cope with environmental variation, phenotypic plasticity encompasses all types of environmentally induced changes (e.g. morphological, p... |
https://en.wikipedia.org/wiki/Central%20field%20approximation | In atomic physics, the central field approximation for many-electron atoms takes the combined electric fields of the nucleus and all the electrons acting on any of the electrons to be radial and to be the same for all the electrons in the atom. That is, every electron sees an identical potential that is only a functio... |
https://en.wikipedia.org/wiki/Sound%20Blaster%20X-Fi | Sound Blaster X-Fi is a lineup of sound cards in Creative Technology's Sound Blaster series.
History
The series was launched in August 2005 as a lineup of PCI sound cards, which served as the introduction for their X-Fi audio processing chip, with models ranging from XtremeMusic (lower end), to Platinum, Fatal1ty FPS,... |
https://en.wikipedia.org/wiki/Daihachiro%20Sato | was a Japanese mathematician who was awarded the Lester R. Ford Award in 1976 for his work in number theory, specifically on his work in the Diophantine representation of prime numbers. His doctoral supervisor at the University of California, Los Angeles was Ernst G. Straus.
Biography
Sato was an only child born in ... |
https://en.wikipedia.org/wiki/Sternohyoid%20muscle | The sternohyoid muscle is a bilaterally paired, long, thin, narrow strap muscle of the anterior neck. It is one of the infrahyoid muscles. It is innervated by the ansa cervicalis. It acts to depress the hyoid bone.
Structure
The sternohyoid muscle is one of the paired strap muscles of the infrahyoid muscles.
The mus... |
https://en.wikipedia.org/wiki/Sternothyroid%20muscle | The sternothyroid muscle (or sternothyroideus) is an infrahyoid muscle of the neck. It acts to depress the hyoid bone.
Structure
The two muscles are in contact with each other proximally (close their origin), but diverge distally (towards their insertions).
Origin
The sternothyroid arises from the posterior surface... |
https://en.wikipedia.org/wiki/Thyrohyoid%20muscle | The thyrohyoid muscle is a small skeletal muscle of the neck. Above, it attaches onto the greater cornu of the hyoid bone; below, it attaches onto the oblique line of the thyroid cartilage. It is innervated by fibres derived from the cervical spinal nerve 1 that run with the hypoglossal nerve (CN XII) to reach this mus... |
https://en.wikipedia.org/wiki/Longus%20capitis%20muscle | The longus capitis muscle (Latin for long muscle of the head, alternatively rectus capitis anticus major), is broad and thick above, narrow below, and arises by four tendinous slips, from the anterior tubercles of the transverse processes of the third, fourth, fifth, and sixth cervical vertebræ, and ascends, converging... |
https://en.wikipedia.org/wiki/Longus%20colli%20muscle | The longus colli muscle (Latin for long muscle of the neck) is a muscle of the human body.
The longus colli is situated on the anterior surface of the vertebral column, between the atlas and the third thoracic vertebra.
It is broad in the middle, narrow and pointed at either end, and consists of three portions, a sup... |
https://en.wikipedia.org/wiki/Rectus%20capitis%20anterior%20muscle | The rectus capitis anterior (rectus capitis anticus minor) is a short, flat muscle, situated immediately behind the upper part of the Longus capitis.
It arises from the anterior surface of the lateral mass of the atlas, and from the root of its transverse process, and passing obliquely upward and medialward, is insert... |
https://en.wikipedia.org/wiki/Rectus%20capitis%20lateralis%20muscle | The rectus capitis lateralis, a short, flat muscle, arises from the upper surface of the transverse process of the atlas, and is inserted into the under surface of the jugular process of the occipital bone.
Additional images
See also
Atlanto-occipital joint
Rectus capitis posterior major muscle
Rectus capitis post... |
https://en.wikipedia.org/wiki/Multifidus%20muscle | The multifidus (multifidus spinae : pl. multifidi ) muscle consists of a number of fleshy and tendinous fasciculi, which fill up the groove on either side of the spinous processes of the vertebrae, from the sacrum to the axis. While very thin, the multifidus muscle plays an important role in stabilizing the joints wit... |
https://en.wikipedia.org/wiki/Rotatores%20muscles | The rotatores muscles (rotatores spinae muscles) lie beneath the multifidus and are present in all spinal regions but are most prominent in the thoracic region; they are eleven in number on either side.
Each muscle is small and somewhat quadrilateral in form; it arises from the superior and posterior part of the trans... |
https://en.wikipedia.org/wiki/Semispinalis%20muscles | The semispinalis muscles are a group of three muscles belonging to the transversospinales. These are the semispinalis capitis, the semispinalis cervicis and the semispinalis thoracis.
The semispinalis capitis (complexus) is situated at the upper and back part of the neck, deep to the splenius, and medial to the longis... |
https://en.wikipedia.org/wiki/Splenius%20capitis%20muscle | The splenius capitis () () is a broad, straplike muscle in the back of the neck. It pulls on the base of the skull from the vertebrae in the neck and upper thorax. It is involved in movements such as shaking the head.
Structure
It arises from the lower half of the nuchal ligament, from the spinous process of the seven... |
https://en.wikipedia.org/wiki/Splenius%20cervicis%20muscle | The splenius cervicis () (also known as the splenius colli, ) is a muscle in the back of the neck. It arises by a narrow tendinous band from the spinous processes of the third to the sixth thoracic vertebrae; it is inserted, by tendinous fasciculi, into the posterior tubercles of the transverse processes of the upper t... |
https://en.wikipedia.org/wiki/Rectus%20capitis%20posterior%20major%20muscle | The rectus capitis posterior major (or rectus capitis posticus major) is a muscle in the upper back part of the neck. It is one of the suboccipital muscles. Its inferior attachment is at the spinous process of the axis (first cervical vertebra); its superior attachment is onto the outer surface of the occipital bone on... |
https://en.wikipedia.org/wiki/Rectus%20capitis%20posterior%20minor%20muscle | The rectus capitis posterior minor (or rectus capitis posticus minor) is a muscle in the upper back part of the neck. It is one of the suboccipital muscles. Its inferior attachment is at the posterior arch of atlas; its superior attachment is onto the occipital bone at and below the inferior nuchal line. The muscle is ... |
https://en.wikipedia.org/wiki/External%20intercostal%20muscles | The external intercostal muscles, or external intercostals (Intercostales externi) are eleven in number on both sides.
Structure
The muscles extend from the tubercles of the ribs behind, to the cartilages of the ribs in front, where they end in thin membranes, the external intercostal membranes, which are continued... |
https://en.wikipedia.org/wiki/Internal%20intercostal%20muscles | The internal intercostal muscles (intercostales interni) are a group of skeletal muscles located between the ribs. They are eleven in number on either side. They commence anteriorly at the sternum, in the intercostal spaces between the cartilages of the true ribs, and at the anterior extremities of the cartilages of th... |
https://en.wikipedia.org/wiki/Serratus%20posterior%20inferior%20muscle | The serratus posterior inferior muscle, also known as the posterior serratus muscle, is a muscle of the human body.
Structure
The muscle is situated at the junction of the thoracic and lumbar regions. It has an irregularly quadrilateral form, broader than the serratus posterior superior muscle, and separated from it b... |
https://en.wikipedia.org/wiki/Serratus%20posterior%20superior%20muscle | The serratus posterior superior muscle is a thin, quadrilateral muscle. It is situated at the upper back part of the thorax, deep to the rhomboid muscles.
Structure
The serratus posterior superior muscle arises by an aponeurosis from the lower part of the nuchal ligament, from the spinous processes of C7, T1, T2, and... |
https://en.wikipedia.org/wiki/Subcostalis%20muscle | The Subcostales (singular: subcostalis) (Infracostales) consist of muscular and aponeurotic fasciculi, which are usually well-developed only in the lower part of the thorax; each originates from the inner surface of one rib, and is inserted into the inner surface of the second or third rib below, near its angle.
Their... |
https://en.wikipedia.org/wiki/Abdominal%20external%20oblique%20muscle | The abdominal external oblique muscle (also external oblique muscle, or exterior oblique) is the largest and outermost of the three flat abdominal muscles of the lateral anterior abdomen.
Structure
The external oblique is situated on the lateral and anterior parts of the abdomen. It is broad, thin, and irregularly qu... |
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