source stringlengths 31 227 | text stringlengths 9 2k |
|---|---|
https://en.wikipedia.org/wiki/High-water%20mark%20%28computer%20security%29 | In the fields of physical security and information security, the high-water mark for access control was introduced by Clark Weissmann in 1969. It pre-dates the Bell–LaPadula security model, whose first volume appeared in 1972.
Under high-water mark, any object less than the user's security level can be opened, but the... |
https://en.wikipedia.org/wiki/Gut%20microbiota | Gut microbiota, gut microbiome, or gut flora, are the microorganisms, including bacteria, archaea, fungi, and viruses, that live in the digestive tracts of animals. The gastrointestinal metagenome is the aggregate of all the genomes of the gut microbiota. The gut is the main location of the human microbiome. The gut mi... |
https://en.wikipedia.org/wiki/Systems%20biomedicine | Systems biomedicine, also called systems biomedical science, is the application of systems biology to the understanding and modulation of developmental and pathological processes in humans, and in animal and cellular models. Whereas systems biology aims at modeling exhaustive networks of interactions (with the long-ter... |
https://en.wikipedia.org/wiki/Icyball | Icyball is a name given to two early refrigerators, one made by Australian Sir Edward Hallstrom in 1923, and the other design patented by David Forbes Keith of Toronto (filed 1927, granted 1929), and manufactured by American Powel Crosley Jr., who bought the rights to the device. Both devices are unusual in design in t... |
https://en.wikipedia.org/wiki/Airespace | Airespace, Inc., formerly Black Storm Networks, was a networking hardware company founded in 2001, manufacturing wireless access points and Controllers. The company developed the AP-Controller model for fast deployment and the Lightweight Access Point Protocol, the precursor to the CAPWAP protocol.
Corporate history
... |
https://en.wikipedia.org/wiki/Umov%20effect | The Umov effect, also known as Umov's law, is a relationship between the albedo of an astronomical object, and the degree of polarization of light reflecting off it. The effect was discovered by the Russian physicist Nikolay Umov in 1905, and can be observed for celestial objects such as the surface of the Moon and the... |
https://en.wikipedia.org/wiki/Grammar-based%20code | Grammar-based codes or Grammar-based compression are compression algorithms based on the idea of constructing a context-free grammar (CFG) for the string to be compressed. Examples include universal lossless data compression algorithms. To compress a data sequence , a grammar-based code transforms into a context-free ... |
https://en.wikipedia.org/wiki/Thermal%20velocity | Thermal velocity or thermal speed is a typical velocity of the thermal motion of particles that make up a gas, liquid, etc. Thus, indirectly, thermal velocity is a measure of temperature. Technically speaking, it is a measure of the width of the peak in the Maxwell–Boltzmann particle velocity distribution. Note that in... |
https://en.wikipedia.org/wiki/Magnesium%20stearate | Magnesium stearate is the chemical compound with the formula . It is a soap, consisting of salt containing two equivalents of stearate (the anion of stearic acid) and one magnesium cation (Mg2+). Magnesium stearate is a white, water-insoluble powder. Its applications exploit its softness, insolubility in many solvents... |
https://en.wikipedia.org/wiki/Initial%20ramdisk | In Linux systems, initrd (initial ramdisk) is a scheme for loading a temporary root file system into memory, to be used as part of the Linux startup process. initrd and initramfs (from INITial RAM File System) refer to two different methods of achieving this. Both are commonly used to make preparations before the real ... |
https://en.wikipedia.org/wiki/Bill%20the%20Goat | Bill the Goat is the mascot of the United States Naval Academy. The mascot is a live goat and is also represented by a costumed midshipman. There is also a bronze statue of the goat in the north end zone of Navy–Marine Corps Memorial Stadium. This statue also plays a role in "Army Week" traditions.
The first Bill th... |
https://en.wikipedia.org/wiki/List%20of%20Xbox%20games%20compatible%20with%20Xbox%20360 | The Xbox 360 gaming console has received updates from Microsoft from its launch in 2005 until November 2007 that enable it to play select games from its predecessor, Xbox. The Xbox 360 launched with backward compatibility with the number of supported Xbox games varying depending on region. Microsoft continued to update... |
https://en.wikipedia.org/wiki/Lamb%E2%80%93Oseen%20vortex | In fluid dynamics, the Lamb–Oseen vortex models a line vortex that decays due to viscosity. This vortex is named after Horace Lamb and Carl Wilhelm Oseen.
Mathematical description
Oseen looked for a solution for the Navier–Stokes equations in cylindrical coordinates with velocity components of the form
where is t... |
https://en.wikipedia.org/wiki/Batchelor%20vortex | In fluid dynamics, Batchelor vortices, first described by George Batchelor in a 1964 article, have been found useful in analyses of airplane vortex wake hazard problems.
The model
The Batchelor vortex is an approximate solution to the Navier–Stokes equations obtained using a boundary layer approximation. The physical ... |
https://en.wikipedia.org/wiki/Leaky%20gut%20syndrome | Leaky gut syndrome is a hypothetical, medically unrecognized condition.
Unlike the scientific phenomenon of increased intestinal permeability ("leaky gut"), claims for the existence of "leaky gut syndrome" as a distinct medical condition come mostly from nutritionists and practitioners of alternative medicine. Propone... |
https://en.wikipedia.org/wiki/Kaufmann%20vortex | The Kaufmann vortex, also known as the Scully model, is a mathematical model for a vortex taking account of viscosity. It uses an algebraic velocity profile. This vortex is not a solution of the Navier–Stokes equations.
Kaufmann and Scully's model for the velocity in the Θ direction is:
The model was suggested by W. ... |
https://en.wikipedia.org/wiki/Nintendo%20Power%20%28cartridge%29 | was a video game distribution service for Super Famicom or Game Boy operated by Nintendo that ran exclusively in Japan from late 1996 until February 2007. The service allowed users to download Super Famicom or Game Boy titles onto a special flash memory cartridge for a lower price than that of a pre-written ROM cartrid... |
https://en.wikipedia.org/wiki/Dielectric%20breakdown%20model | Dielectric breakdown model (DBM) is a macroscopic mathematical model combining the diffusion-limited aggregation model with electric field. It was developed by Niemeyer, Pietronero, and Weismann in 1984. It describes the patterns of dielectric breakdown of solids, liquids, and even gases, explaining the formation of th... |
https://en.wikipedia.org/wiki/Officinal | Officinal drugs, plants and herbs are those which are sold in a chemist or druggist shop. Officinal medical preparations of such drugs are made in accordance with the prescriptions authorized by a pharmacopoeia. Officinal is not related to the word official. The classical Latin officina meant a workshop, manufactory, l... |
https://en.wikipedia.org/wiki/Symmetric%20product%20of%20an%20algebraic%20curve | In mathematics, the n-fold symmetric product of an algebraic curve C is the quotient space of the n-fold cartesian product
C × C × ... × C
or Cn by the group action of the symmetric group Sn on n letters permuting the factors. It exists as a smooth algebraic variety denoted by ΣnC. If C is a compact Riemann surface, ... |
https://en.wikipedia.org/wiki/Linearly%20disjoint | In mathematics, algebras A, B over a field k inside some field extension of k are said to be linearly disjoint over k if the following equivalent conditions are met:
(i) The map induced by is injective.
(ii) Any k-basis of A remains linearly independent over B.
(iii) If are k-bases for A, B, then the products are ... |
https://en.wikipedia.org/wiki/IMLAC | IMLAC Corporation was an American electronics company in Needham, Massachusetts, that manufactured graphical display systems, mainly the PDS-1 and PDS-4, in the 1970s.
The PDS-1 debuted in 1970. It was the first low-cost commercial realization of Ivan Sutherland's Sketchpad system of a highly interactive computer grap... |
https://en.wikipedia.org/wiki/Prime%20decomposition%20of%203-manifolds | In mathematics, the prime decomposition theorem for 3-manifolds states that every compact, orientable 3-manifold is the connected sum of a unique (up to homeomorphism) finite collection of prime 3-manifolds.
A manifold is prime if it cannot be presented as a connected sum of more than one manifold, none of which is th... |
https://en.wikipedia.org/wiki/Child%20mortality | Child mortality is the mortality of children under the age of five. The child mortality rate (also under-five mortality rate) refers to the probability of dying between birth and exactly five years of age expressed per 1,000 live births.
It encompasses neonatal mortality and infant mortality (the probability of death ... |
https://en.wikipedia.org/wiki/E%20Ink | E Ink (electronic ink) is a brand of electronic paper (e-paper) display technology commercialized by the E Ink Corporation, which was co-founded in 1997 by MIT undergraduates JD Albert and Barrett Comiskey, MIT Media Lab professor Joseph Jacobson, Jerome Rubin and Russ Wilcox.
It is available in grayscale and color an... |
https://en.wikipedia.org/wiki/Dirichlet%27s%20test | In mathematics, Dirichlet's test is a method of testing for the convergence of a series. It is named after its author Peter Gustav Lejeune Dirichlet, and was published posthumously in the Journal de Mathématiques Pures et Appliquées in 1862.
Statement
The test states that if is a sequence of real numbers and a seq... |
https://en.wikipedia.org/wiki/Glossary%20of%20arithmetic%20and%20diophantine%20geometry | This is a glossary of arithmetic and diophantine geometry in mathematics, areas growing out of the traditional study of Diophantine equations to encompass large parts of number theory and algebraic geometry. Much of the theory is in the form of proposed conjectures, which can be related at various levels of generality.... |
https://en.wikipedia.org/wiki/Height%20function | A height function is a function that quantifies the complexity of mathematical objects. In Diophantine geometry, height functions quantify the size of solutions to Diophantine equations and are typically functions from a set of points on algebraic varieties (or a set of algebraic varieties) to the real numbers.
For in... |
https://en.wikipedia.org/wiki/Bombieri%E2%80%93Lang%20conjecture | In arithmetic geometry, the Bombieri–Lang conjecture is an unsolved problem conjectured by Enrico Bombieri and Serge Lang about the Zariski density of the set of rational points of an algebraic variety of general type.
Statement
The weak Bombieri–Lang conjecture for surfaces states that if is a smooth surface of gene... |
https://en.wikipedia.org/wiki/Positive%20definiteness | In mathematics, positive definiteness is a property of any object to which a bilinear form or a sesquilinear form may be naturally associated, which is positive-definite. See, in particular:
Positive-definite bilinear form
Positive-definite function
Positive-definite function on a group
Positive-definite functiona... |
https://en.wikipedia.org/wiki/D54%20%28protocol%29 | D54 is an analogue lighting communications protocol used to control stage lighting. It was developed by Strand Lighting in the late 1970s and was originally designed to handle 384 channels. Though more advanced protocols exist such as Digital MultipleX DMX (lighting), it was widely used in larger venues such as London'... |
https://en.wikipedia.org/wiki/Posterior%20cord | The posterior cord is a part of the brachial plexus. It consists of contributions from all of the roots of the brachial plexus.
The posterior cord gives rise to the following nerves:
Additional images |
https://en.wikipedia.org/wiki/Medial%20pectoral%20nerve | The medial pectoral nerve (also known as the medial anterior thoracic nerve) is (typically) a branch of the medial cord of the brachial plexus and is derived from spinal nerve roots C8-T1. It provides motor innervation to the pectoralis minor muscle, and the lower half (sternal part) of the pectoralis major muscle. It ... |
https://en.wikipedia.org/wiki/Sputum%20culture | A sputum culture is a test to detect and identify bacteria or fungi that infect the lungs or breathing passages. Sputum is a thick fluid produced in the lungs and in the adjacent airways. Normally, fresh morning sample is preferred for the bacteriological examination of sputum. A sample of sputum is collected in a ster... |
https://en.wikipedia.org/wiki/Lepidium%20virginicum | Lepidium virginicum, also known as least pepperwort or Virginia pepperweed, is an herbaceous plant in the mustard family (Brassicaceae). It is native to much of North America, including most of the United States and Mexico and southern regions of Canada, as well as most of Central America. It can be found elsewhere as ... |
https://en.wikipedia.org/wiki/Euclid%27s%20theorem | Euclid's theorem is a fundamental statement in number theory that asserts that there are infinitely many prime numbers. It was first proved by Euclid in his work Elements. There are several proofs of the theorem.
Euclid's proof
Euclid offered a proof published in his work Elements (Book IX, Proposition 20), which is p... |
https://en.wikipedia.org/wiki/Carrion%20flower | Carrion flowers, also known as corpse flowers or stinking flowers, are mimetic flowers that emit an odor that smells like rotting flesh. Apart from the scent, carrion flowers often display additional characteristics that contribute to the mimesis of a decaying corpse. These include their specific coloration (red, purpl... |
https://en.wikipedia.org/wiki/Belyi%27s%20theorem | In mathematics, Belyi's theorem on algebraic curves states that any non-singular algebraic curve C, defined by algebraic number coefficients, represents a compact Riemann surface which is a ramified covering of the Riemann sphere, ramified at three points only.
This is a result of G. V. Belyi from 1979. At the time i... |
https://en.wikipedia.org/wiki/Riemann%E2%80%93Roch%20theorem%20for%20surfaces | In mathematics, the Riemann–Roch theorem for surfaces describes the dimension of linear systems on an algebraic surface. The classical form of it was first given by , after preliminary versions of it were found by and . The sheaf-theoretic version is due to Hirzebruch.
Statement
One form of the Riemann–Roch theorem s... |
https://en.wikipedia.org/wiki/Motorola%20Mobility | Motorola Mobility LLC, marketed as Motorola, is an American consumer electronics manufacturer primarily producing smartphones and other mobile devices running Android. Headquartered at Merchandise Mart in Chicago, Illinois, it is a subsidiary of the Chinese multinational technology company Lenovo.
Motorola Mobility wa... |
https://en.wikipedia.org/wiki/Separation%20of%20duties | Separation of duties (SoD), also known as segregation of duties, is the concept of having more than one person required to complete a task. It is an administrative control used by organisations to prevent fraud, sabotage, theft, misuse of information, and other security compromises. In the political realm, it is known ... |
https://en.wikipedia.org/wiki/Pose%20%28computer%20vision%29 | In the fields of computing and computer vision, pose (or spatial pose) represents the position and orientation of an object, usually in three dimensions. Poses are often stored internally as transformation matrices. The term “pose” is largely synonymous with the term “transform”, but a transform may often include scale... |
https://en.wikipedia.org/wiki/DOCSIS%20Set-top%20Gateway | DOCSIS Set-top Gateway (or DSG) is a specification describing how out-of-band data is delivered to a cable set-top box. Cable set-top boxes need a reliable source of out of band data for information such as program guides, channel lineups, and updated code images.
Features
DSG is an extension of the DOCSIS protocol g... |
https://en.wikipedia.org/wiki/Enos%20%28chimpanzee%29 | Enos (born about 1957 – died November 4, 1962) was the second chimpanzee launched into space by NASA. He was the first and only chimpanzee, and third hominid after cosmonauts Yuri Gagarin and Gherman Titov, to orbit the Earth. Enos's flight occurred on November 29, 1961.
Enos was brought from the Miami Rare Bird Farm... |
https://en.wikipedia.org/wiki/Three-stratum%20theory | The three-stratum theory is a theory of cognitive ability proposed by the American psychologist John Carroll in 1993. It is based on a factor-analytic study of the correlation of individual-difference variables from data such as psychological tests, school marks and competence ratings from more than 460 datasets. These... |
https://en.wikipedia.org/wiki/The%20Anatomy%20Lesson%20of%20Dr.%20Nicolaes%20Tulp | The Anatomy Lesson of Dr. Nicolaes Tulp is a 1632 oil painting on canvas by Rembrandt housed in the Mauritshuis museum in The Hague, the Netherlands. It was originally created to be displayed by the Surgeons Guild in their meeting room. The painting is regarded as one of Rembrandt's early masterpieces.
In the work, Ni... |
https://en.wikipedia.org/wiki/Focus-plus-context%20screen | A focus-plus-context screen is a specialized type of display device that consists of one or more high-resolution "focus" displays embedded into a larger low-resolution "context" display. Image content is displayed across all display regions, such that the scaling of the image is preserved, while its resolution varies a... |
https://en.wikipedia.org/wiki/Local-density%20approximation | Local-density approximations (LDA) are a class of approximations to the exchange–correlation (XC) energy functional in density functional theory (DFT) that depend solely upon the value of the electronic density at each point in space (and not, for example, derivatives of the density or the Kohn–Sham orbitals). Many app... |
https://en.wikipedia.org/wiki/Skewb | The Skewb () is a combination puzzle and a mechanical puzzle in the style of the Rubik's Cube. It was invented by Tony Durham and marketed by Uwe Mèffert. Although it is cubical in shape, it differs from Rubik's construction in that its axes of rotation pass through the corners of the cube rather than the centres of th... |
https://en.wikipedia.org/wiki/Schur%20polynomial | In mathematics, Schur polynomials, named after Issai Schur, are certain symmetric polynomials in n variables, indexed by partitions, that generalize the elementary symmetric polynomials and the complete homogeneous symmetric polynomials. In representation theory they are the characters of polynomial irreducible repre... |
https://en.wikipedia.org/wiki/Fc%20receptor | In immunology, an Fc receptor is a protein found on the surface of certain cells – including, among others, B lymphocytes, follicular dendritic cells, natural killer cells, macrophages, neutrophils, eosinophils, basophils, human platelets, and mast cells – that contribute to the protective functions of the immune syste... |
https://en.wikipedia.org/wiki/Copper%20indium%20gallium%20selenide | Copper indium gallium (di)selenide (CIGS) is a I-III-VI2 semiconductor material composed of copper, indium, gallium, and selenium. The material is a solid solution of copper indium selenide (often abbreviated "CIS") and copper gallium selenide. It has a chemical formula of CuIn1−xGaxSe2, where the value of x can vary f... |
https://en.wikipedia.org/wiki/Deer%20horn | A deer horn, or deer whistle, is a whistle mounted on automobiles intended to help prevent collisions with deer. Air moving through the device produces sound (ultrasound in some models), intended to warn deer of a vehicle's approach. Deer are highly unpredictable, skittish animals whose normal reaction to an unfamilia... |
https://en.wikipedia.org/wiki/Photoexcitation | Photoexcitation is the production of an excited state of a quantum system by photon absorption. The excited state originates from the interaction between a photon and the quantum system. Photons carry energy that is determined by the wavelengths of the light that carries the photons. Objects that emit light with longer... |
https://en.wikipedia.org/wiki/Quantum%20heterostructure | A quantum heterostructure is a heterostructure in a substrate (usually a semiconductor material), where size restricts the movements of the charge carriers forcing them into a quantum confinement. This leads to the formation of a set of discrete energy levels at which the carriers can exist. Quantum heterostructures ha... |
https://en.wikipedia.org/wiki/Nightingale%20floor | are floors that make a chirping sound when walked upon. These floors were used in the hallways of some temples and palaces, the most famous example being Nijō Castle, in Kyoto, Japan. Dry boards naturally creak under pressure, but these floors were built in a way that the flooring nails rub against a jacket or clamp, ... |
https://en.wikipedia.org/wiki/Semimodule | In mathematics, a semimodule over a semiring R is like a module over a ring except that it is only a commutative monoid rather than an abelian group.
Definition
Formally, a left R-semimodule consists of an additively-written commutative monoid M and a map from to M satisfying the following axioms:
.
A right... |
https://en.wikipedia.org/wiki/Isotype%20%28picture%20language%29 | Isotype (International System of Typographic Picture Education) is a method of showing social, technological, biological, and historical connections in pictorial form. It consists of a set of standardized and abstracted pictorial symbols to represent social-scientific data with specific guidelines on how to combine the... |
https://en.wikipedia.org/wiki/Pesticide%20residue | Pesticide residue refers to the pesticides that may remain on or in food after they are applied to food crops. The maximum allowable levels of these residues in foods are often stipulated by regulatory bodies in many countries. Regulations such as pre-harvest intervals also often prevent harvest of crop or livestock pr... |
https://en.wikipedia.org/wiki/Major%20actinide | Major actinides is a term used in the nuclear power industry that refers to the plutonium and uranium present in used nuclear fuel, as opposed to the minor actinides neptunium, americium, curium, berkelium, and californium. |
https://en.wikipedia.org/wiki/Hecke%20character | In number theory, a Hecke character is a generalisation of a Dirichlet character, introduced by Erich Hecke to construct a class of
L-functions larger than Dirichlet L-functions, and a natural setting for the Dedekind zeta-functions and certain others which have functional equations analogous to that of the Riemann zet... |
https://en.wikipedia.org/wiki/Tate%27s%20thesis | In number theory, Tate's thesis is the 1950 PhD thesis of completed under the supervision of Emil Artin at Princeton University. In it, Tate used a translation invariant integration on the locally compact group of ideles to lift the zeta function twisted by a Hecke character, i.e. a Hecke L-function, of a number fiel... |
https://en.wikipedia.org/wiki/Pseudo-polynomial%20time | In computational complexity theory, a numeric algorithm runs in pseudo-polynomial time if its running time is a polynomial in the numeric value of the input (the largest integer present in the input)—but not necessarily in the length of the input (the number of bits required to represent it), which is the case for poly... |
https://en.wikipedia.org/wiki/Thoracodorsal%20nerve | The thoracodorsal nerve is a nerve present in humans and other animals, also known as the middle subscapular nerve or the long subscapular nerve. It supplies the latissimus dorsi muscle.
Structure
The thoracodorsal nerve arises from the brachial plexus. It derives its fibers from the sixth, seventh, and eighth cervic... |
https://en.wikipedia.org/wiki/Irving%20Kaplansky | Irving Kaplansky (March 22, 1917 – June 25, 2006) was a mathematician, college professor, author, and amateur musician.
Biography
Kaplansky or "Kap" as his friends and colleagues called him was born in Toronto, Ontario, Canada, to Polish-Jewish immigrants; his father worked as a tailor, and his mother ran a grocery an... |
https://en.wikipedia.org/wiki/Subscapular%20artery | The subscapular artery, the largest branch of the axillary artery, arises from the third part of the axillary artery at the lower border of the subscapularis muscle, which it follows to the inferior angle of the scapula, where it anastomoses with the lateral thoracic and intercostal arteries, and with the descending br... |
https://en.wikipedia.org/wiki/RecLOH | RecLOH is a term in genetics that is an abbreviation for "Recombinant Loss of Heterozygosity".
This is a type of mutation which occurs with DNA by recombination. From a pair of equivalent ("homologous"), but slightly different (heterozygous) genes, a pair of identical genes results. In this case there is a non-recipro... |
https://en.wikipedia.org/wiki/LocationFree%20Player | Sony's LocationFree is the marketing name for a group of products and technologies for timeshifting and placeshifting streaming video. The LocationFree Player is an Internet-based multifunctional device used to stream live television broadcasts (including digital cable and satellite), DVDs and DVR content over a home n... |
https://en.wikipedia.org/wiki/DISLIN | DISLIN is a high-level plotting library developed by Helmut Michels at the Max Planck Institute for Solar System Research in Göttingen, Germany. Helmut Michels has worked as a mathematician and Unix system manager at the computer center of the institute. He retired in April 2020 and
founded the company Dislin Software... |
https://en.wikipedia.org/wiki/Frank%E2%80%93Wolfe%20algorithm | The Frank–Wolfe algorithm is an iterative first-order optimization algorithm for constrained convex optimization. Also known as the conditional gradient method, reduced gradient algorithm and the convex combination algorithm, the method was originally proposed by Marguerite Frank and Philip Wolfe in 1956. In each itera... |
https://en.wikipedia.org/wiki/RootkitRevealer | RootkitRevealer is a proprietary freeware tool for rootkit detection on Microsoft Windows by Bryce Cogswell and Mark Russinovich. It runs on Windows XP and Windows Server 2003 (32-bit-versions only). Its output lists Windows Registry and file system API discrepancies that may indicate the presence of a rootkit. It is t... |
https://en.wikipedia.org/wiki/Memory%20refresh | Memory refresh is the process of periodically reading information from an area of computer memory and immediately rewriting the read information to the same area without modification, for the purpose of preserving the information. Memory refresh is a background maintenance process required during the operation of semi... |
https://en.wikipedia.org/wiki/Large%20set%20%28Ramsey%20theory%29 | In Ramsey theory, a set S of natural numbers is considered to be a large set if and only if Van der Waerden's theorem can be generalized to assert the existence of arithmetic progressions with common difference in S. That is, S is large if and only if every finite partition of the natural numbers has a cell containing... |
https://en.wikipedia.org/wiki/Large%20set%20%28combinatorics%29 | In combinatorial mathematics, a large set of positive integers
is one such that the infinite sum of the reciprocals
diverges. A small set is any subset of the positive integers that is not large; that is, one whose sum of reciprocals converges.
Large sets appear in the Müntz–Szász theorem and in the Erdős conjectur... |
https://en.wikipedia.org/wiki/Card%20catalog%20%28cryptology%29 | The card catalog, or "catalog of characteristics," in cryptography, was a system designed by Polish Cipher Bureau mathematician-cryptologist Marian Rejewski, and first completed about 1935 or 1936, to facilitate decrypting German Enigma ciphers.
History
The Polish Cipher Bureau used the theory of permutations to start... |
https://en.wikipedia.org/wiki/Swimlane | A swimlane (as in swimlane diagram) is used in process flow diagrams, or flowcharts, that visually distinguishes job sharing and responsibilities for sub-processes of a business process. Swimlanes may be arranged either horizontally or vertically.
Attributes of a swimlane
The swimlane flowchart differs from other flow... |
https://en.wikipedia.org/wiki/Tracking%20system | A tracking system, also known as a locating system, is used for the observing of persons or objects on the move and supplying a timely ordered sequence of location data for further processing.
Applications
A myriad of tracking systems exists. Some are 'lag time' indicators, that is, the data is collected after an ite... |
https://en.wikipedia.org/wiki/Virtual%20acoustic%20space | Virtual acoustic space (VAS), also known as virtual auditory space, is a technique in which sounds presented over headphones appear to originate from any desired direction in space. The illusion of a virtual sound source outside the listener's head is created.
Sound localization cues generate an externalized percept
... |
https://en.wikipedia.org/wiki/Thyroiditis | Thyroiditis is the inflammation of the thyroid gland. The thyroid gland is located on the front of the neck below the laryngeal prominence, and makes hormones that control metabolism.
Signs and symptoms
There are many different signs and symptoms for thyroiditis, none of which are exclusively limited to this disease.... |
https://en.wikipedia.org/wiki/Nuclear%20dimorphism | Nuclear dimorphism is a term referred to the special characteristic of having two different kinds of nuclei in a cell. There are many differences between the types of nuclei. This feature is observed in protozoan ciliates, like Tetrahymena, and some foraminifera. Ciliates contain two nucleus types: a macronucleus that ... |
https://en.wikipedia.org/wiki/Phoebus%20Levene | Phoebus Aaron Theodore Levene (25 February 1869 – 6 September 1940) was a Russian-born American biochemist who studied the structure and function of nucleic acids. He characterized the different forms of nucleic acid, DNA from RNA, and found that DNA contained adenine, guanine, thymine, cytosine, deoxyribose, and a ph... |
https://en.wikipedia.org/wiki/Epigenetic%20controls%20in%20ciliates | Epigenetic controls in ciliates is about the unique characteristic of Ciliates, which is that they possess two kinds of nuclei (this phenomenon is called nuclear dimorphism): a micronucleus used for inheritance, and a macronucleus, which controls the metabolism. The micronucleus contains the entirety of the genome wher... |
https://en.wikipedia.org/wiki/Oophoritis | Oophoritis is an inflammation of the ovaries.
It is often seen in combination with salpingitis (inflammation of the fallopian tubes). It may develop in response to infection. Oophoritis is typically caused by a bacterial infection, and may result from chronic pelvic inflammatory disease (PID). This form differs from a... |
https://en.wikipedia.org/wiki/Proceedings%20of%20the%20Natural%20History%20Society%20of%20Br%C3%BCnn | The Proceedings of the Natural History Society of Brünn (German: Verhandlungen des naturforschenden Vereines in Brünn) was the official journal of the Natural History Society in Brno (), published from 1861-1920. A free archive of the journal is available through the Biodiversity Heritage Library.
This was the journa... |
https://en.wikipedia.org/wiki/Continental%20Circus | Continental Circus is a racing simulation arcade game, created and manufactured by Taito in 1987. In 1989, ports for the Amiga, Amstrad CPC, Atari ST, Commodore 64, MSX and ZX Spectrum were published by Virgin Games.
The arcade version of this game comes in both upright and sit-down models, both of which feature shutt... |
https://en.wikipedia.org/wiki/Mostafa%20El-Sayed | Mostafa A. El-Sayed (Arabic: مصطفى السيد) is an Egyptian-American physical chemist, a leading nanoscience researcher, a member of the National Academy of Sciences and a US National Medal of Science laureate. He was the editor-in-chief of the Journal of Physical Chemistry during a critical period of growth. He is also ... |
https://en.wikipedia.org/wiki/Grill%20%28cryptology%29 | The grill method (), in cryptology, was a method used chiefly early on, before the advent of the cyclometer, by the mathematician-cryptologists of the Polish Cipher Bureau (Biuro Szyfrów) in decrypting German Enigma machine ciphers. The Enigma rotor cipher machine changes plaintext characters into cipher text using a d... |
https://en.wikipedia.org/wiki/Colipase | Colipase, abbreviated CLPS, is a protein co-enzyme required for optimal enzyme activity of pancreatic lipase. It is secreted by the pancreas in an inactive form, procolipase, which is activated in the intestinal lumen by trypsin. Its function is to prevent the inhibitory effect of bile salts on the lipase-catalyzed i... |
https://en.wikipedia.org/wiki/Robin%20Gandy | Robin Oliver Gandy (22 September 1919 – 20 November 1995) was a British mathematician and logician. He was a friend, student, and associate of Alan Turing, having been supervised by Turing during his PhD at the University of Cambridge, where they worked together.
Education and early life
Robin Gandy was born in the vi... |
https://en.wikipedia.org/wiki/Intercast | Intercast was a short-lived technology developed in 1996 by Intel for broadcasting information such as web pages and computer software, along with a single television channel. It required a compatible TV tuner card installed in a personal computer and a decoding program called Intel Intercast Viewer. The data for Inter... |
https://en.wikipedia.org/wiki/Discount%20points | Discount points, also called mortgage points or simply points, are a form of pre-paid interest available in the United States when arranging a mortgage. One point equals one percent of the loan amount. By charging a borrower points, a lender effectively increases the yield on the loan above the amount of the stated int... |
https://en.wikipedia.org/wiki/Debt-to-income%20ratio | In the consumer mortgage industry, debt-to-income ratio (DTI) is the percentage of a consumer's monthly gross income that goes toward paying debts. (Speaking precisely, DTIs often cover more than just debts; they can include principal, taxes, fees, and insurance premiums as well. Nevertheless, the term is a set phrase ... |
https://en.wikipedia.org/wiki/List%20of%20plants%20by%20common%20name | This is a list of plants organized by their common names. However, the common names of plants often vary from region to region, which is why most plant encyclopedias refer to plants using their scientific names, in other words using binomials or "Latin" names.
A
African sheepbush – Pentzia incana
Alder – Alnus
Black... |
https://en.wikipedia.org/wiki/Bidirectional%20search | Bidirectional search is a graph search algorithm that finds a shortest path from an initial vertex to a goal vertex in a directed graph. It runs two simultaneous searches: one forward from the initial state, and one backward from the goal, stopping when the two meet. The reason for this approach is that in many cases i... |
https://en.wikipedia.org/wiki/Dimethyl%20methylphosphonate | Dimethyl methylphosphonate is an organophosphorus compound with the chemical formula CH3PO(OCH3)2. It is a colourless liquid, which is primarily used as a flame retardant.
Synthesis
Dimethyl methylphosphonate can be prepared from trimethyl phosphite and a halomethane (e.g. iodomethane) via the Michaelis–Arbuzov reacti... |
https://en.wikipedia.org/wiki/Redfield%20ratio | The Redfield ratio or Redfield stoichiometry is the consistent atomic ratio of carbon, nitrogen and phosphorus found in marine phytoplankton and throughout the deep oceans.
The term is named for American oceanographer Alfred C. Redfield who in 1934 first described the relatively consistent ratio of nutrients in marine... |
https://en.wikipedia.org/wiki/Generation%20gap%20%28pattern%29 | Generation gap is a software design pattern documented by John Vlissides that treats automatically generated code differently than code that was written by a developer. Modifications should not be made to generated code, as they would be overwritten if the code generation process was ever re-run, such as during recompi... |
https://en.wikipedia.org/wiki/Posterior%20interosseous%20nerve | The posterior interosseous nerve (or dorsal interosseous nerve/deep radial nerve) is a nerve in the forearm. It is the continuation of the deep branch of the radial nerve, after this has crossed the supinator muscle. It is considerably diminished in size compared to the deep branch of the radial nerve. The nerve fibers... |
https://en.wikipedia.org/wiki/Posterior%20interosseous%20artery | The posterior interosseous artery (dorsal interosseous artery) is an artery of the forearm. It is a branch of the common interosseous artery, which is a branch of the ulnar artery.
Structure
The posterior interosseous artery passes backward between the oblique cord and the upper border of the interosseous membrane. I... |
https://en.wikipedia.org/wiki/Copper%28I%29%20cyanide | Copper(I) cyanide is an inorganic compound with the formula CuCN. This off-white solid occurs in two polymorphs; impure samples can be green due to the presence of Cu(II) impurities. The compound is useful as a catalyst, in electroplating copper, and as a reagent in the preparation of nitriles.
Structure
Copper cyani... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.