source stringlengths 31 227 | text stringlengths 9 2k |
|---|---|
https://en.wikipedia.org/wiki/Koenig%27s%20manometric%20flame%20apparatus | Koenig's manometric flame apparatus was a laboratory instrument invented in 1862 by the German physicist Rudolph Koenig, and used to visualize sound waves. It was the nearest equivalent of the modern oscilloscope in the late nineteenth and early twentieth centuries.
Description
The manometric flame apparatus consist... |
https://en.wikipedia.org/wiki/Lie%20sphere%20geometry | Lie sphere geometry is a geometrical theory of planar or spatial geometry in which the fundamental concept is the circle or sphere. It was introduced by Sophus Lie in the nineteenth century. The main idea which leads to Lie sphere geometry is that lines (or planes) should be regarded as circles (or spheres) of infinite... |
https://en.wikipedia.org/wiki/Segmented%20spindle | A segmented spindle, also known by the trademark Kataka, is a specialized mechanical linear actuator conceived by the Danish mechanical engineer Jens Joerren Soerensen during the mid-1990s. The actuator forms a telescoping tubular column, or spindle, from linked segments resembling curved parallelograms. The telescop... |
https://en.wikipedia.org/wiki/Circle%20packing%20theorem | The circle packing theorem (also known as the Koebe–Andreev–Thurston theorem) describes the possible tangency relations between circles in the plane whose interiors are disjoint. A circle packing is a connected collection of circles (in general, on any Riemann surface) whose interiors are disjoint. The intersection g... |
https://en.wikipedia.org/wiki/Pushforward%20%28homology%29 | In algebraic topology, the pushforward of a continuous function : between two topological spaces is a homomorphism between the homology groups for .
Homology is a functor which converts a topological space into a sequence of homology groups . (Often, the collection of all such groups is referred to using the nota... |
https://en.wikipedia.org/wiki/MCSim | GNU MCSim is a suite of simulation software. It allows one to design one's own statistical or simulation models,
perform Monte Carlo simulations, and Bayesian inference through (tempered) Markov chain Monte Carlo simulations. The latest version allows parallel computing of Monte Carlo or MCMC simulations.
Description... |
https://en.wikipedia.org/wiki/List%20of%20web%20analytics%20software | This is a list of web analytics software used to collect and display data about visiting website users.
Self-hosted software
Free / Open source (FLOSS)
This is a comparison table of web analytics software released under a free software license.
Proprietary
This is a comparison table of web analytics proprietary soft... |
https://en.wikipedia.org/wiki/Linear%20motion | Linear motion, also called rectilinear motion, is one-dimensional motion along a straight line, and can therefore be described mathematically using only one spatial dimension. The linear motion can be of two types: uniform linear motion, with constant velocity (zero acceleration); and non-uniform linear motion, with va... |
https://en.wikipedia.org/wiki/VideoCore | VideoCore is a series of low-power mobile multimedia processors originally developed by Alphamosaic Ltd and now owned by Broadcom. Alphamosaic marketed its first version as a two-dimensional DSP architecture that makes it flexible and efficient enough to decode (as well as encode) a number of multimedia codecs in softw... |
https://en.wikipedia.org/wiki/Landau%E2%80%93Lifshitz%20model | In solid-state physics, the Landau–Lifshitz equation (LLE), named for Lev Landau and Evgeny Lifshitz, is a partial differential equation describing time evolution of magnetism in solids, depending on 1 time variable and 1, 2, or 3 space variables.
Landau–Lifshitz equation
The LLE describes an anisotropic magnet. The... |
https://en.wikipedia.org/wiki/Polonia%20%28personification%29 | Polonia, the name for Poland in Latin and many Romance and other languages, is most often used in modern Polish as referring to the Polish diaspora. However, as can be seen from the image, it was also used as a national personification.
The symbolic depiction of a country as a woman called by the Latin name of that co... |
https://en.wikipedia.org/wiki/Taleb%20distribution | In economics and finance, a Taleb distribution is the statistical profile of an investment which normally provides a payoff of small positive returns, while carrying a small but significant risk of catastrophic losses. The term was coined by journalist Martin Wolf and economist John Kay to describe investments with a "... |
https://en.wikipedia.org/wiki/Comparison%20of%20X%20window%20managers | This article compares variety of different X window managers. For an introduction to the topic, see X Window System.
General information
Features
See also
Comparison of X Window System desktop environments
Window manager
List of Wayland compositors |
https://en.wikipedia.org/wiki/Blue%20%28queue%20management%20algorithm%29 | Blue is a scheduling discipline for the network scheduler developed by graduate student Wu-chang Feng for Professor Kang G. Shin at the University of Michigan and others at the Thomas J. Watson Research Center of IBM in 1999.
Functioning
Like random early detection (RED), Blue operates by randomly dropping or marking... |
https://en.wikipedia.org/wiki/Jeong%20Han%20Kim | Jeong Han Kim (; born July 20, 1962) is a South Korean mathematician.
He studied physics and mathematical physics at Yonsei University, and earned his Ph.D. in mathematics at Rutgers University. He was a researcher at AT&T Bell Labs and at Microsoft Research, and was Underwood Chair Professor of Mathematics at Yonsei ... |
https://en.wikipedia.org/wiki/Spaced%20learning | Spaced learning is a learning method in which highly condensed learning content is repeated three times, with two 10-minute breaks during which distractor activities such as physical activities are performed by the students. It is based on the temporal pattern of stimuli for creating long-term memories reported by R. ... |
https://en.wikipedia.org/wiki/Necrotaxis | Necrotaxis embodies a special type of chemotaxis when the chemoattractant molecules are released from necrotic or apoptotic cells. Investigations of necrotaxis proved that ability to sense substances released from dying cells is present in unicellular level (e.g. Paramecium) as well as in vertebrates (see interactions ... |
https://en.wikipedia.org/wiki/Northern%20Lights%20Local%20Exchange%20Point | The Northern Lights Local Exchange Point (NLLXP) is a free Internet Exchange Point (IXP) in Minneapolis, Minnesota, in the United States. The NLLXP public peering exchange is closely linked with the Northern Lights GigaPoP (NLG), an Internet2 project of the University of Minnesota Office of Information and Technology: ... |
https://en.wikipedia.org/wiki/Dedekind%E2%80%93MacNeille%20completion | In mathematics, specifically order theory, the Dedekind–MacNeille completion of a partially ordered set is the smallest complete lattice that contains it. It is named after Holbrook Mann MacNeille whose 1937 paper first defined and constructed it, and after Richard Dedekind because its construction generalizes the Dede... |
https://en.wikipedia.org/wiki/Barycentric-sum%20problem | Combinatorial number theory deals with number theoretic problems which involve combinatorial ideas in their formulations or solutions. Paul Erdős is the main founder of this branch of number theory. Typical topics include covering system, zero-sum problems, various restricted sumsets, and arithmetic progressions in a s... |
https://en.wikipedia.org/wiki/Meripilus%20giganteus | Meripilus giganteus is a polypore fungus in the family Meripilaceae. It causes a white rot in various types of broadleaved trees, particularly beech (Fagus), but also Abies, Picea, Pinus, Quercus and Ulmus species. This bracket fungus, commonly known as the giant polypore or black-staining polypore, is often found in l... |
https://en.wikipedia.org/wiki/Pressure%20exchanger | A pressure exchanger transfers pressure energy from a high pressure fluid stream to a low pressure fluid stream. Many industrial processes operate at elevated pressures and have high pressure waste streams. One way of providing a high pressure fluid to such a process is to transfer the waste pressure to a low pressure ... |
https://en.wikipedia.org/wiki/Mundial%20de%20F%C3%BAtbol | Mundial de Fútbol is a football sports video game released for the Amstrad CPC, ZX Spectrum, MSX and MS-DOS platforms. It was created in 1990 by Opera Soft. Due to internal problems of the company it was released after the celebration of the 1990 FIFA World Cup.
Gameplay
The simulation show an upper view with goals a... |
https://en.wikipedia.org/wiki/Davey%E2%80%93Stewartson%20equation | In fluid dynamics, the Davey–Stewartson equation (DSE) was introduced in a paper by A. Davey and Keith Stewartson to describe the evolution of a three-dimensional wave-packet on water of finite depth.
It is a system of partial differential equations for a complex (wave-amplitude) field and a real (mean-flow) field :
... |
https://en.wikipedia.org/wiki/Volume%20of%20fluid%20method | In computational fluid dynamics, the volume of fluid (VOF) method is a free-surface modelling technique, i.e. a numerical technique for tracking and locating the free surface (or fluid–fluid interface). It belongs to the class of Eulerian methods which are characterized by a mesh that is either stationary or is moving ... |
https://en.wikipedia.org/wiki/Gaze%20%28physiology%29 | The term gaze is frequently used in physiology to describe coordinated motion of the eyes and neck. The lateral gaze is controlled by the paramedian pontine reticular formation (PPRF). The vertical gaze is controlled by the rostral interstitial nucleus of medial longitudinal fasciculus and the interstitial nucleus of C... |
https://en.wikipedia.org/wiki/Mass-analyzed%20ion-kinetic-energy%20spectrometry | Mass-analyzed ion kinetic-energy spectrometry (MIKES) is a mass spectrometry technique by which mass spectra are obtained from a sector instrument that incorporates at least one magnetic sector plus one electric sector in reverse geometry (the beam first enters the magnetic sector). The accelerating voltage V, and the ... |
https://en.wikipedia.org/wiki/Mycetinis%20alliaceus | Mycetinis alliaceus (syn. Marasmius alliaceus), commonly known as the garlic parachute, is one of the larger mushrooms formerly in the genus Marasmius, having a beige cap of up to 4 cm and a long tough slender stipe. It emanates a strong smell of garlic, and this is the significance of the Latin species name, alliaceus... |
https://en.wikipedia.org/wiki/Nonlinear%20partial%20differential%20equation | In mathematics and physics, a nonlinear partial differential equation is a partial differential equation with nonlinear terms. They describe many different physical systems, ranging from gravitation to fluid dynamics, and have been used in mathematics to solve problems such as the Poincaré conjecture and the Calabi con... |
https://en.wikipedia.org/wiki/Macrocnemus | Macrocnemus is an extinct genus of archosauromorph reptile known from the Middle Triassic (Late Anisian to Ladinian) of Europe and China. Macrocnemus is a member of the Tanystropheidae family and includes three species. Macrocnemus bassanii, the first species to be named and described, is known from the Besano Formatio... |
https://en.wikipedia.org/wiki/Limnoscelis | Limnoscelis (\ limˈnäsələ̇s \, meaning "marsh footed") was a genus of large diadectomorph tetrapods from the Late Carboniferous of western North America. It includes two species: the type species Limnoscelis paludis from New Mexico, and Limnoscelis dynatis from Colorado, both of which are thought to have lived concurre... |
https://en.wikipedia.org/wiki/EICA%20hypothesis | The evolution of increased competitive ability (EICA) hypothesis was first proposed by Bernd Blossey and Rolf Nötzold in 1995 as a way to explain the success of invasive, non-indigenous species (in particular, plants). Observing that:
there is usually a lag period between the time of introduction of an invasive specie... |
https://en.wikipedia.org/wiki/Root%20cap | The root cap is a type of tissue at the tip of a plant root. It is also called calyptra. Root caps contain statocytes which are involved in gravity perception in plants. If the cap is carefully removed the root will grow randomly. The root cap protects the growing tip in plants. It secretes mucilage to ease the movemen... |
https://en.wikipedia.org/wiki/Algebraic%20Riccati%20equation | An algebraic Riccati equation is a type of nonlinear equation that arises in the context of infinite-horizon optimal control problems in continuous time or discrete time.
A typical algebraic Riccati equation is similar to one of the following:
the continuous time algebraic Riccati equation (CARE):
or the discrete... |
https://en.wikipedia.org/wiki/Impact%20insulation%20class | Impact insulation class (or IIC) is an integer-number rating of how well a building floor attenuates impact sounds, such as footsteps. A larger number means more attenuation. The scale, like the decibel scale for sound, is logarithmic. The IIC is derived from ASTM method E989, which in turn uses a tapping machine sp... |
https://en.wikipedia.org/wiki/Slate%20and%20stylus | The slate and stylus are tools used by blind people to write text that they can read without assistance. Invented by Charles Barbier as the tool for writing letters that could be read by touch, the slate and stylus allow for a quick, easy, convenient and constant method of making embossed printing for Braille character... |
https://en.wikipedia.org/wiki/One%20Small%20Step%3A%20The%20Story%20of%20the%20Space%20Chimps | One Small Step: The Story of the Space Chimps is a 2008 documentary film produced and directed by David Cassidy and Kristin Davy which aired on History Channel UK and CBC Television. The film chronicles the real story behind the early use of chimpanzees in space exploration. The film was released on DVD in April 2008, ... |
https://en.wikipedia.org/wiki/Outline%20of%20oceanography | The following outline is provided as an overview of and introduction to Oceanography.
Below is a structured list of topics on oceanography.
What type of thing is oceanography?
Oceanography can be described as all of the following:
The study of the physical and biological aspects of the ocean
An academic discipli... |
https://en.wikipedia.org/wiki/Mikhail%20Mishaqa | Mikhail Mishaqa or Michael Mishaka (March 20, 1800 – July 19, 1888; , ), also known as Doctor Mishaqa, was born in Rashmayyā, Lebanon, and is reputed to be "the first historian of modern Ottoman Syria" as well as the "virtual founder of the twenty-four equal quarter tone scale". Mishaqa's memoir of the 1860 Mount Leban... |
https://en.wikipedia.org/wiki/Comparison%20of%20JavaScript-based%20web%20frameworks | This is a comparison of web frameworks for front-end web development that are heavily reliant on JavaScript code for their behavior.
General information
Features
Browser support
Notes
JavaScript frameworks
Ajax (programming)
Web development
Web frameworks
JavaScript web frameworks |
https://en.wikipedia.org/wiki/Synchronous%20Serial%20Port | A Synchronous Serial Port (SSP) is a controller that supports the Serial Peripheral Interface (SPI), 4-wire Synchronous Serial Interface (SSI), and Microwire serial buses. A SSP uses a master-slave paradigm to communicate across its connected bus.
See also
Serial Peripheral Interface Bus
Serial buses |
https://en.wikipedia.org/wiki/List%20of%20Ajax%20frameworks | This is a list of notable Ajax frameworks, used for creating web applications with a dynamic link between the client and the server. Some of the frameworks are JavaScript compilers, for generating JavaScript and Ajax that runs in the web browser client; some are pure JavaScript libraries; others are server-side framewo... |
https://en.wikipedia.org/wiki/Cave%20of%20Swimmers | The Cave of Swimmers is a cave with ancient rock art in the mountainous Gilf Kebir plateau of the Libyan Desert section of the Sahara. It is located in the New Valley Governorate of southwest Egypt, near the border with Libya.
History
The cave and rock art was discovered in October 1933 by the Hungarian explorer Lászl... |
https://en.wikipedia.org/wiki/Identification%20%28biology%29 | Identification in biology is the process of assigning a pre-existing taxon name to an individual organism. Identification of organisms to individual scientific names (or codes) may be based on individualistic natural body features, experimentally created individual markers (e.g., color dot patterns), or natural individ... |
https://en.wikipedia.org/wiki/Biological%20imaging | Biological imaging may refer to any imaging technique used in biology.
Typical examples include:
Bioluminescence imaging, a technique for studying laboratory animals using luminescent protein
Calcium imaging, determining the calcium status of a tissue using fluorescent light
Diffuse optical imaging, using near-infra... |
https://en.wikipedia.org/wiki/Mausezahn | (, German for "mouse tooth") is a fast network traffic generator written in C which allows the user to craft nearly every possible and "impossible" packet. Since version 0.31 Mausezahn is open source in terms of the GPLv2. Herbert Haas, the original developer of Mausezahn, died on 25 June 2011. The project has been inc... |
https://en.wikipedia.org/wiki/Dose-volume%20histogram | A dose-volume histogram (DVH) is a histogram relating radiation dose to tissue volume in radiation therapy planning. DVHs are most commonly used as a plan evaluation tool and to compare doses from different plans or to structures. DVHs were introduced by Michael Goitein (who introduced radiation therapy concepts such a... |
https://en.wikipedia.org/wiki/Pathogenic%20fungus | Pathogenic fungi are fungi that cause disease in humans or other organisms. Although fungi are eukaryotic, many pathogenic fungi are microorganisms. Approximately 300 fungi are known to be pathogenic to humans; their study is called "medical mycology". Fungal infections kill more people than either tuberculosis or mala... |
https://en.wikipedia.org/wiki/Reticulation%20%28single-access%20key%29 | In biology, a reticulation of a single-access identification key connects different branches of the identification tree to improve error tolerance and identification success. In a reticulated key, multiple paths lead to the same result; the tree data structure thus changes from a simple tree to a directed acyclic graph... |
https://en.wikipedia.org/wiki/Index%20of%20dispersion | In probability theory and statistics, the index of dispersion, dispersion index, coefficient of dispersion, relative variance, or variance-to-mean ratio (VMR), like the coefficient of variation, is a normalized measure of the dispersion of a probability distribution: it is a measure used to quantify whether a set of ob... |
https://en.wikipedia.org/wiki/Sideband%20computing | Sideband computing is where a user connects to some normal network service, and a separate communication channel is opened through which a server distributes tasks to the clients. Through sideband computing method, any network server which has a lot of clients can form into a large-scale super-computing network. During... |
https://en.wikipedia.org/wiki/Regret%20%28decision%20theory%29 | In decision theory, on making decisions under uncertainty—should information about the best course of action arrive after taking a fixed decision—the human emotional response of regret is often experienced, and can be measured as the value of difference between a made decision and the optimal decision.
The theory of ... |
https://en.wikipedia.org/wiki/Backstepping | In control theory, backstepping is a technique developed circa 1990 by Petar V. Kokotovic and others for designing stabilizing controls for a special class of nonlinear dynamical systems. These systems are built from subsystems that radiate out from an irreducible subsystem that can be stabilized using some other metho... |
https://en.wikipedia.org/wiki/Carath%C3%A9odory%27s%20criterion | Carathéodory's criterion is a result in measure theory that was formulated by Greek mathematician Constantin Carathéodory that characterizes when a set is Lebesgue measurable.
Statement
Carathéodory's criterion:
Let denote the Lebesgue outer measure on where denotes the power set of and let Then is Lebesgue m... |
https://en.wikipedia.org/wiki/Small-gain%20theorem | In nonlinear systems, the formalism of input-output stability is an important tool in studying the stability of interconnected systems since the gain of a system directly relates to how the norm of a signal increases or decreases as it passes through the system. The small-gain theorem gives a sufficient condition for f... |
https://en.wikipedia.org/wiki/Lyapunov%20redesign | In nonlinear control, the technique of Lyapunov redesign refers to the design where a stabilizing state feedback controller can be constructed with knowledge of the Lyapunov function . Consider the system
where is the state vector and is the vector of inputs. The functions , , and are defined for , where is a doma... |
https://en.wikipedia.org/wiki/Benjamin%E2%80%93Ono%20equation | In mathematics, the Benjamin–Ono equation is a nonlinear partial integro-differential equation that
describes one-dimensional internal waves in deep water.
It was introduced by and .
The Benjamin–Ono equation is
where H is the Hilbert transform.
It possesses infinitely many conserved densities and symmetries; thus... |
https://en.wikipedia.org/wiki/Geriatric%20medicine%20in%20Egypt | Geriatric medicine, as a speciality, was introduced in Egypt in 1982, and in 1984 a geriatrics and gerontology unit in Ain Shams University Faculty of Medicine was established.
Egyptian history
Many ancient physicians were interested in the field of geriatrics and some of them wrote separate books on this subject. Ab... |
https://en.wikipedia.org/wiki/Polygyny%20threshold%20model | The polygyny threshold model is an explanation of polygyny, the mating of one male of a species with more than one female. The model shows how females may gain a higher level of biological fitness by mating with a male who already has a mate. The female makes this choice despite other surrounding males because the choi... |
https://en.wikipedia.org/wiki/Heavy%20lift | In transportation, heavy lift refers to the handling and installation of heavy items which are indivisible, and of weights generally accepted to be over 100 tons and of widths/heights of more than 100 meters. These oversized items are transported from one place to another (sometimes across country borders), then lifted... |
https://en.wikipedia.org/wiki/Evolution%20of%20color%20vision%20in%20primates | The evolution of color vision in primates is highly unusual compared to most eutherian mammals. A remote vertebrate ancestor of primates possessed tetrachromacy, but nocturnal, warm-blooded, mammalian ancestors lost two of four cones in the retina at the time of dinosaurs. Most teleost fish, reptiles and birds are ther... |
https://en.wikipedia.org/wiki/Breaking%20the%20Code | Breaking the Code is a 1986 play by Hugh Whitemore about British mathematician Alan Turing, who was a key player in the breaking of the German Enigma code at Bletchley Park during World War II and a pioneer of computer science. The play thematically links Turing's cryptographic activities with his attempts to grapple w... |
https://en.wikipedia.org/wiki/Spark%20%28cellular%20automaton%29 | In Conway's Game of Life and similar cellular automaton rules, a spark is a small collection of live cells that appears at the edge of some larger pattern such as a spaceship or oscillator, then quickly dies off.
Sparks are commonly separated by some distance from the main body of the pattern -- the analogy is to an o... |
https://en.wikipedia.org/wiki/Euler%E2%80%93Poisson%E2%80%93Darboux%20equation | In mathematics, the Euler–Poisson–Darboux equation is the partial differential equation
This equation is named for Siméon Poisson, Leonhard Euler, and Gaston Darboux. It plays an important role in solving the classical wave equation.
This equation is related to
by , , where and some sources quote this equati... |
https://en.wikipedia.org/wiki/Benjamin%E2%80%93Bona%E2%80%93Mahony%20equation | The Benjamin–Bona–Mahony equation (BBM equation, also regularized long-wave equation; RLWE) is the partial differential equation
This equation was studied in as an improvement of the Korteweg–de Vries equation (KdV equation) for modeling long surface gravity waves of small amplitude – propagating uni-directionally ... |
https://en.wikipedia.org/wiki/Speech%20interface%20guideline | Speech interface guideline is a guideline with the aim for guiding decisions and criteria regarding designing interfaces operated by human voice. Speech interface system has many advantages such as consistent service and saving cost. However, for users, listening is a difficult task. It can become impossible when too m... |
https://en.wikipedia.org/wiki/Transform%20theory | In mathematics, transform theory is the study of transforms, which relate a function in one domain to another function in a second domain. The essence of transform theory is that by a suitable choice of basis for a vector space a problem may be simplified—or diagonalized as in spectral theory.
Spectral theory
In spec... |
https://en.wikipedia.org/wiki/Gauss%27s%20law%20for%20gravity | In physics, Gauss's law for gravity, also known as Gauss's flux theorem for gravity, is a law of physics that is equivalent to Newton's law of universal gravitation. It is named after Carl Friedrich Gauss. It states that the flux (surface integral) of the gravitational field over any closed surface is proportional to t... |
https://en.wikipedia.org/wiki/Courant%20minimax%20principle | In mathematics, the Courant minimax principle gives the eigenvalues of a real symmetric matrix. It is named after Richard Courant.
Introduction
The Courant minimax principle gives a condition for finding the eigenvalues for a real symmetric matrix. The Courant minimax principle is as follows:
For any real symmetric ... |
https://en.wikipedia.org/wiki/Microsoft%20Host%20Integration%20Server | Microsoft Host Integration Server (a.k.a. HIS) is a gateway application providing connectivity between Microsoft Windows networks and IBM mainframe and IBM i systems. Support is provided for SNA, 3270 (standard and TN3270), 5250 (standard and TN5250), CICS, APPC, and other IBM protocols. Support is also provided for ... |
https://en.wikipedia.org/wiki/Sponge%20reef | Sponge reefs are reefs produced by sea sponges. All modern sponge reefs are formed by hexactinellid sponges, which have a skeleton made of silica, and are often referred to as glass sponges. Such reefs are now very rare, and found only in waters off the coast of British Columbia, Washington and southern Alaska. Recentl... |
https://en.wikipedia.org/wiki/Minority%20interpretations%20of%20quantum%20mechanics | There is a diversity of views that propose interpretations of quantum mechanics. They vary in how many physicists accept or reject them. An interpretation of quantum mechanics is a conceptual scheme that proposes to relate the mathematical formalism to the physical phenomena of interest. The present article is about th... |
https://en.wikipedia.org/wiki/Dental%20anesthesiology | Dental anesthesiology is the specialty of dentistry that deals with the advanced use of general anesthesia, sedation and pain management to facilitate dental procedures.
In the United States, a dentist anesthesiologist is a dentist who has successfully completed an accredited postdoctoral anesthesiology residency prog... |
https://en.wikipedia.org/wiki/PKCS%201 | In cryptography, PKCS #1 is the first of a family of standards called Public-Key Cryptography Standards (PKCS), published by RSA Laboratories. It provides the basic definitions of and recommendations for implementing the RSA algorithm for public-key cryptography. It defines the mathematical properties of public and pr... |
https://en.wikipedia.org/wiki/1987%20%28number%29 | 1987 is the natural number following 1986 and preceding 1988.
In mathematics
1987 is an odd number and the 300th prime number. It is the first number of a sexy prime triplet (1987, 1993, 1999). Being of the form 4n + 3, it is a Gaussian prime. It is a lucky number and therefore also a lucky prime. 1987 is a prime fact... |
https://en.wikipedia.org/wiki/Phase-field%20model | A phase-field model is a mathematical model for solving interfacial problems. It has mainly been applied to solidification dynamics, but it has also been applied to other situations such as viscous fingering, fracture mechanics, hydrogen embrittlement, and vesicle dynamics.
The method substitutes boundary conditions a... |
https://en.wikipedia.org/wiki/Cocker%27s%20Arithmetick | Cocker's Arithmetick, also known by its full title "Cocker's Arithmetick: Being a Plain and Familiar Method Suitable to the Meanest Capacity for the Full Understanding of That Incomparable Art, As It Is Now Taught by the Ablest School-Masters in City and Country", is a grammar school mathematics textbook written by Edw... |
https://en.wikipedia.org/wiki/Reactive%20empirical%20bond%20order | The reactive empirical bond-order (REBO) model is a function for calculating the potential energy of covalent bonds and the interatomic force. In this model, the total potential energy of system is a sum of nearest-neighbour pair interactions which depend not only on the distance between atoms but also on their local a... |
https://en.wikipedia.org/wiki/Multi-access%20key | In biology or medicine, a multi-access key is an identification key which overcomes the problem of the more traditional single-access keys (dichotomous or polytomous identification keys) of requiring a fixed sequence of identification steps. A multi-access key enables the user to freely choose the characteristics that ... |
https://en.wikipedia.org/wiki/KidsCom | KidsCom was a virtual world geared toward kids ages 8–14. KidsCom had many "worlds" (virtual places) that the user can go to in order to have fun with an avatar. It was a website for a long time dealing with new competition such as Webkinz. KidsCom was published by the now defunct Circle 1 Network, LLC in Milwaukee, Wi... |
https://en.wikipedia.org/wiki/BKS%20theory | The Bohr–Kramers–Slater theory (BKS theory) was perhaps the final attempt at understanding the interaction of matter and electromagnetic radiation on the basis of the so-called old quantum theory, in which quantum phenomena are treated by imposing quantum restrictions on classically describable behaviour. It was advanc... |
https://en.wikipedia.org/wiki/Neurotoxic%20shellfish%20poisoning | Neurotoxic shellfish poisoning (NSP) is caused by the consumption of brevetoxins, which are marine toxins produced by the dinoflagellate Karenia brevis (among several others). These toxins can produce a series of gastrointestinal and neurological effects. Outbreaks of NSP commonly take place following harmful algal blo... |
https://en.wikipedia.org/wiki/Magnus%20Egerstedt | Magnus B. Egerstedt (born June 28, 1971) is a Swedish-American roboticist who is the Dean of the Henry Samueli School of Engineering at the University of California, Irvine. He was formerly the Steve C. Chaddick School Chair and Professor at the School of Electrical and Computer Engineering, Georgia Institute of Techno... |
https://en.wikipedia.org/wiki/West%20Bridge | The West Bridge is a growing architectural approach, originally developed by Cypress Semiconductor, which enhances and modularizes a peripheral controller in an embedded computer architecture. Conceptually, the West Bridge parallels and complements the decentralization represented by the North Bridge and the South Brid... |
https://en.wikipedia.org/wiki/Man%2C%20Play%20and%20Games | Man, Play and Games () is the influential 1961 book by the French sociologist Roger Caillois, (French Les jeux et les hommes, 1958) on the sociology of play and games or, in Caillois' terms, sociology derived from play. Caillois interprets many social structures as elaborate forms of games and much behaviour as a form... |
https://en.wikipedia.org/wiki/Zakharov%20system | In mathematics, the Zakharov system is a system of non-linear partial differential equations, introduced by Vladimir Zakharov in 1972 to describe the propagation of Langmuir waves in an ionized plasma. The system consists of a complex field u and a real field n satisfying the equations
where is the d'Alembert operato... |
https://en.wikipedia.org/wiki/Zakharov%E2%80%93Schulman%20system | In mathematics, the Zakharov–Schulman system is a system of nonlinear partial differential equations introduced in to describe the interactions of small amplitude, high frequency waves with acoustic waves.
The equations are
where L1, L2, and L3, are constant coefficient differential operators. |
https://en.wikipedia.org/wiki/Motorific | Motorific is the brand name of a line of battery-operated slot car toys and related accessories marketed by the Ideal Toy Company from 1964 to the early 1970s. It differed from traditional slot car sets in that the cars were powered independently by a pair of AA batteries, rather than by an electrical connection to th... |
https://en.wikipedia.org/wiki/Single-access%20key | In phylogenetics, a single-access key (also called dichotomous key, sequential key, analytical key, or pathway key) is an identification key where the sequence and structure of identification steps is fixed by the author of the key. At each point in the decision process, multiple alternatives are offered, each leading ... |
https://en.wikipedia.org/wiki/Toshiba%20Samsung%20Storage%20Technology | Toshiba Samsung Storage Technology Corporation (abbreviated TSST) is an international joint venture company of Toshiba (Japan) and Samsung Electronics (South Korea). Toshiba used to own 51% of its stock, while Samsung used to own the remaining 49%. The company specialized in optical disc drive manufacturing. The com... |
https://en.wikipedia.org/wiki/Enhanced%20entity%E2%80%93relationship%20model | The enhanced entity–relationship (EER) model (or extended entity–relationship model) in computer science is a high-level or conceptual data model incorporating extensions to the original entity–relationship (ER) model, used in the design of databases.
It was developed to reflect more precisely the properties and const... |
https://en.wikipedia.org/wiki/Grey%20commissure | The grey commissure is a thin strip of grey matter that surrounds the central canal of the spinal cord and, along with the anterior white commissure, connects the two halves of the cord. It comprises lamina X in the Rexed classification.
External links
Spinal cord |
https://en.wikipedia.org/wiki/Kappaphycus%20alvarezii | Kappaphycus alvarezii, the elkhorn sea moss, is a species of red algae. The elkhorn sea moss varies in size, weight, and age. It is a dark greenish-brown hue and can sometimes be deep purple. The moss is cylindrical in shape throughout the seaweed. Its diameter averages 1.526 mm when dried. Near the base of the seaweed... |
https://en.wikipedia.org/wiki/Regression%20discontinuity%20design | In statistics, econometrics, political science, epidemiology, and related disciplines, a regression discontinuity design (RDD) is a quasi-experimental pretest-posttest design that aims to determine the causal effects of interventions by assigning a cutoff or threshold above or below which an intervention is assigned. B... |
https://en.wikipedia.org/wiki/Propensity%20score%20matching | In the statistical analysis of observational data, propensity score matching (PSM) is a statistical matching technique that attempts to estimate the effect of a treatment, policy, or other intervention by accounting for the covariates that predict receiving the treatment. PSM attempts to reduce the bias due to confound... |
https://en.wikipedia.org/wiki/MEGAN | MEGAN ("MEtaGenome ANalyzer") is a computer program that allows optimized analysis of large metagenomic datasets.
Metagenomics is the analysis of the genomic sequences from a usually uncultured environmental sample. A large term goal of most metagenomics is to inventory and measure the extent and the role of microbial... |
https://en.wikipedia.org/wiki/Trevor%20Paglen | Trevor Paglen (born 1974) is an American artist, geographer, and author whose work tackles mass surveillance and data collection.
In 2016, Paglen won the Deutsche Börse Photography Foundation Prize and he has also won The Cultural Award from the German Society for Photography. In 2017, he was a recipient of a MacArthu... |
https://en.wikipedia.org/wiki/Heckman%20correction | The Heckman correction is a statistical technique to correct bias from non-randomly selected samples or otherwise incidentally truncated dependent variables, a pervasive issue in quantitative social sciences when using observational data. Conceptually, this is achieved by explicitly modelling the individual sampling pr... |
https://en.wikipedia.org/wiki/Rhizofiltration | Rhizofiltration is a form of phytoremediation that involves filtering contaminated groundwater, surface water and wastewater through a mass of roots to remove toxic substances or excess nutrients.
Overview
Rhizofiltration is a type of phytoremediation, which refers to the approach of using hydroponically cultivated pl... |
https://en.wikipedia.org/wiki/Parser%20combinator | In computer programming, a parser combinator is a higher-order function that accepts several parsers as input and returns a new parser as its output. In this context, a parser is a function accepting strings as input and returning some structure as output, typically a parse tree or a set of indices representing locatio... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.