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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/N-player%20game | In game theory, an n-player game is a game which is well defined for any number of players. This is usually used in contrast to standard 2-player games that are only specified for two players. In defining n-player games, game theorists usually provide a definition that allow for any (finite) number of players. The limi... |
https://en.wikipedia.org/wiki/Unscrupulous%20diner%27s%20dilemma | In game theory, the unscrupulous diner's dilemma (or just diner's dilemma) is an n-player prisoner's dilemma. The situation imagined is that several people go out to eat, and before ordering, they agree to split the cost equally between them. Each diner must now choose whether to order the costly or cheap dish. It is p... |
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/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/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/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/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/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/Repeated%20game | In game theory, a repeated game is an extensive form game that consists of a number of repetitions of some base game (called a stage game). The stage game is usually one of the well-studied 2-person games. Repeated games capture the idea that a player will have to take into account the impact of their current action o... |
https://en.wikipedia.org/wiki/GIOVE | ; ), or Galileo In-Orbit Validation Element, is the name for two satellites built for the European Space Agency (ESA) to test technology in orbit for the Galileo positioning system.
The name was chosen as a tribute to Galileo Galilei, who discovered the first four natural satellites of Jupiter, and later discovered th... |
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/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/Subframe | A subframe is a structural component of a vehicle, such as an automobile or an aircraft, that uses a discrete, separate structure within a larger body-on-frame or unit body to carry certain components, such as the engine, drivetrain, or suspension. The subframe is bolted and/or welded to the vehicle. When bolted, it is... |
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/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/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/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/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/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/Permeameter | The permeameter is an instrument for rapidly measuring the electromagnetic permeability of samples of iron or steel with sufficient accuracy for many commercial purposes. The name was first applied by Silvanus P. Thompson to an apparatus devised by himself in 1890, which indicates the mechanical force required to detac... |
https://en.wikipedia.org/wiki/Mosser%20Glass | Mosser Glass is a company making handmade glass, founded in Cambridge, Ohio, in 1970 by Thomas R. Mosser. The company is operated by his oldest son, Tim Mosser. The Mosser family got their start in the business at the Cambridge Glass Company.
The company offers tours of its facilities.
References
External links
Mos... |
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/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/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/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/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/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/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/Anagama%20kiln | The anagama kiln (Japanese Kanji: 穴窯/ Hiragana: あながま) is an ancient type of pottery kiln brought to Japan from China via Korea in the 5th century. It is a version of the climbing dragon kiln of south China, whose further development was also copied, for example in breaking up the firing space into a series of chambers ... |
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/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/BID/60 | BID/60, also called Singlet, was a British encryption machine. It was used by the British intelligence services from around 1949 or 1950 onwards. The system is a rotor machine, and would appear to have used 10 rotors. There are some apparent similarities between this machine and the US / NATO KL-7 device.
In 2005, a S... |
https://en.wikipedia.org/wiki/Dependency%20inversion%20principle | In object-oriented design, the dependency inversion principle is a specific methodology for loosely coupled software modules. When following this principle, the conventional dependency relationships established from high-level, policy-setting modules to low-level, dependency modules are reversed, thus rendering high-le... |
https://en.wikipedia.org/wiki/GCHQ%20Bude | GCHQ Bude, also known as GCHQ Composite Signals Organisation Station Morwenstow, abbreviated to GCHQ CSO Morwenstow, is a UK Government satellite ground station and eavesdropping centre located on the north Cornwall coast at Cleave Camp, between the small villages of Morwenstow and Coombe. It is operated by the Britis... |
https://en.wikipedia.org/wiki/Inflatable%20movie%20screen | An inflatable movie screen is an inflatable framework with an attached projection screen. Inflatable screens are used for outdoor movies, film festivals, drive-in theaters, sports, social, fundraising and other events requiring outdoor projection.
Design
The projection frame is made from PVC-coated fabric layers joi... |
https://en.wikipedia.org/wiki/Low%20IF%20receiver | In a low-IF receiver, the RF signal is mixed down to a non-zero low or moderate intermediate frequency, typically a few megahertz (instead of 33–40 MHz) for TV, and even lower frequencies (typically 120–130 kHz instead of 10.7–10.8 MHz or 13.45 MHz) in the case of FM radio band receivers or (455–470 kHz for) AM (MW/LW/... |
https://en.wikipedia.org/wiki/Epson%20Robots | EPSON Robots is the robotics design and manufacturing department of Japanese corporation Seiko Epson, the brand-name watch and computer printer producer.
Epson started the production of robots in 1980. Epson manufactures Cartesian, SCARA and 6-axis industrial robots for factory automation. Cleanroom and ESD compliant... |
https://en.wikipedia.org/wiki/Bishop%E2%80%93Cannings%20theorem | The Bishop–Cannings theorem is a theorem in evolutionary game theory. It states that (i) all members of a mixed evolutionarily stable strategy (ESS) have the same payoff (Theorem 2), and (ii) that none of these can also be a pure ESS (from their Theorem 3). The usefulness of the results comes from the fact that they ... |
https://en.wikipedia.org/wiki/Nanotechnology%20in%20fiction | The use of nanotechnology in fiction has attracted scholarly attention. The first use of the distinguishing concepts of nanotechnology was "There's Plenty of Room at the Bottom", a talk given by physicist Richard Feynman in 1959. K. Eric Drexler's 1986 book Engines of Creation introduced the general public to the conce... |
https://en.wikipedia.org/wiki/Do%20not%20feed%20the%20animals | The prohibition "do not feed the animals" reflects a policy forbidding the artificial feeding of wild or feral animals. Signs displaying this message are commonly found in zoos, circuses, animal theme parks, aquariums, national parks, parks, public spaces, farms, and other places where people come into contact with wil... |
https://en.wikipedia.org/wiki/Luminosity%20distance | Luminosity distance DL is defined in terms of the relationship between the absolute magnitude M and apparent magnitude m of an astronomical object.
which gives:
where DL is measured in parsecs. For nearby objects (say, in the Milky Way) the luminosity distance gives a good approximation to the natural notion of dista... |
https://en.wikipedia.org/wiki/Sister%20Mary%20Joseph%20nodule | In medicine, the Sister Mary Joseph nodule (sometimes Sister Mary Joseph node or Sister Mary Joseph sign) refers to a palpable nodule bulging into the umbilicus as a result of metastasis of a malignant cancer in the pelvis or abdomen. Sister Mary Joseph nodules can be painful to palpation.
A periumbilical mass is not ... |
https://en.wikipedia.org/wiki/Magic%20Cap | Magic Cap (short for Magic Communicating Applications Platform) is a discontinued object-oriented operating system for PDAs developed by General Magic. Tony Fadell was a contributor to the platform, and Darin Adler was an architect.
Its graphical user interface incorporates a room metaphor, where the user navigates be... |
https://en.wikipedia.org/wiki/War%20of%20attrition%20%28game%29 | In game theory, the war of attrition is a dynamic timing game in which players choose a time to stop, and fundamentally trade off the strategic gains from outlasting other players and the real costs expended with the passage of time. Its precise opposite is the pre-emption game, in which players elect a time to stop, ... |
https://en.wikipedia.org/wiki/Program-specific%20information | Program-specific information (PSI) is metadata about a program (channel) and part of an MPEG transport stream.
The PSI data as defined by ISO/IEC 13818-1 (MPEG-2 Part 1: Systems) includes four tables:
PAT (Program Association Table)
CAT (Conditional Access Table)
PMT (Program Mapping Table)
NIT (Network Informati... |
https://en.wikipedia.org/wiki/Cryptographic%20Service%20Provider | In Microsoft Windows, a Cryptographic Service Provider (CSP) is a software library that implements the Microsoft CryptoAPI (CAPI). CSPs implement encoding and decoding functions, which computer application programs may use, for example, to implement strong user authentication or for secure email.
CSPs are independe... |
https://en.wikipedia.org/wiki/Kaplan%E2%80%93Meier%20estimator | The Kaplan–Meier estimator, also known as the product limit estimator, is a non-parametric statistic used to estimate the survival function from lifetime data. In medical research, it is often used to measure the fraction of patients living for a certain amount of time after treatment. In other fields, Kaplan–Meier es... |
https://en.wikipedia.org/wiki/Cauchy%20formula%20for%20repeated%20integration | The Cauchy formula for repeated integration, named after Augustin-Louis Cauchy, allows one to compress n antiderivatives of a function into a single integral (cf. Cauchy's formula).
Scalar case
Let f be a continuous function on the real line. Then the nth repeated integral of f with base-point a,
is given by single ... |
https://en.wikipedia.org/wiki/Invertebrate%20zoology | Invertebrate zoology is the subdiscipline of zoology that consists of the study of invertebrates, animals without a backbone (a structure which is found only in fish, amphibians, reptiles, birds and mammals).
Invertebrates are a vast and very diverse group of animals that includes sponges, echinoderms, tunicates, nume... |
https://en.wikipedia.org/wiki/Zero%20moment%20point | The zero moment point (also referred to as zero-tilting moment point) is a concept related to the dynamics and control of legged locomotion, e.g., for humanoid or quadrupedal robots. It specifies the point with respect to which reaction forces at the contacts between the feet and the ground do not produce any moment in... |
https://en.wikipedia.org/wiki/Generator%20%28mathematics%29 | In mathematics and physics, the term generator or generating set may refer to any of a number of related concepts. The underlying concept in each case is that of a smaller set of objects, together with a set of operations that can be applied to it, that result in the creation of a larger collection of objects, called ... |
https://en.wikipedia.org/wiki/Integral%20symbol | The integral symbol:
is used to denote integrals and antiderivatives in mathematics, especially in calculus.
History
The notation was introduced by the German mathematician Gottfried Wilhelm Leibniz in 1675 in his private writings; it first appeared publicly in the article "" (On a hidden geometry and analysis of in... |
https://en.wikipedia.org/wiki/Wizardry%20III%3A%20Legacy%20of%20Llylgamyn | Wizardry III: Legacy of Llylgamyn (originally known as Wizardry: Legacy of Llylgamyn - The Third Scenario) is the third scenario in the Wizardry series of role-playing video games. It was published in 1983 by Sir-Tech.
Plot
The City of Llylgamyn is threatened by the violent forces of nature. Earthquakes and volcanic r... |
https://en.wikipedia.org/wiki/Knowledge-based%20processor | Knowledge-based processors (KBPs) are used for processing packets in computer networks. Knowledge-based processors are designed with the goal of increased performance of the IPv6 network. By contributing to the buildout of the IPv6 network, KBPs provide the means to an improved and secure networking system.
Standard... |
https://en.wikipedia.org/wiki/Johnny%20Castaway | Johnny Castaway is a screensaver released in 1992 by Sierra On-Line/Dynamix, and marketed under the Screen Antics brand as "the world's first story-telling screen saver".
The screensaver depicts a man, Johnny Castaway, stranded on a very small island with a single palm tree. It follows a story which is slowly revealed... |
https://en.wikipedia.org/wiki/Selectable%20marker | A selectable marker is a gene introduced into a cell, especially a bacterium or to cells in culture, that confers a trait suitable for artificial selection. They are a type of reporter gene used in laboratory microbiology, molecular biology, and genetic engineering to indicate the success of a transfection or other pro... |
https://en.wikipedia.org/wiki/Multiplexed%20Analogue%20Components | Multiplexed Analogue Components (MAC) was an analog television standard where luminance and chrominance components were transmitted separately. This was an evolution from older color TV systems (such as PAL or SECAM) where there was interference between chrominance and luminance.
MAC was originally proposed in the 19... |
https://en.wikipedia.org/wiki/Hyperbolic%20group | In group theory, more precisely in geometric group theory, a hyperbolic group, also known as a word hyperbolic group or Gromov hyperbolic group, is a finitely generated group equipped with a word metric satisfying certain properties abstracted from classical hyperbolic geometry. The notion of a hyperbolic group was int... |
https://en.wikipedia.org/wiki/Plasterwork | Plasterwork is construction or ornamentation done with plaster, such as a layer of plaster on an interior or exterior wall structure, or plaster decorative moldings on ceilings or walls. This is also sometimes called pargeting. The process of creating plasterwork, called plastering or rendering, has been used in build... |
https://en.wikipedia.org/wiki/SUBST | In computing, SUBST is a command on the DOS, IBM OS/2, Microsoft Windows and ReactOS operating systems used for substituting paths on physical and logical drives as virtual drives.
Overview
In MS-DOS, the SUBST command was added with the release of MS-DOS 3.1. The command is similar to floating drives, a more general ... |
https://en.wikipedia.org/wiki/Packed%20bed | In chemical processing, a packed bed is a hollow tube, pipe, or other vessel that is filled with a packing material. The packed bed can be randomly filled with small objects like Raschig rings or else it can be a specifically designed structured packing. Packed beds may also contain catalyst particles or adsorbents s... |
https://en.wikipedia.org/wiki/LANtastic | LANtastic is a peer-to-peer local area network (LAN) operating system for DOS and Microsoft Windows (and formerly OS/2). The New York Times described the network, which permits machines to function both as servers and as workstations, as allowing computers, "to share printers and other devices."
InformationWeek poin... |
https://en.wikipedia.org/wiki/Lawrence%20Paulson | Lawrence Charles Paulson (born 1955) is an American computer scientist. He is a Professor of Computational Logic at the University of Cambridge Computer Laboratory and a Fellow of Clare College, Cambridge.
Education
Paulson graduated from the California Institute of Technology in 1977, and obtained his PhD in Compute... |
https://en.wikipedia.org/wiki/Sony%20BMG%20copy%20protection%20rootkit%20scandal | The Sony BMG CD copy protection scandal concerns the copy protection measures included by Sony BMG on compact discs in 2005. When inserted into a computer, the CDs installed one of two pieces of software that provided a form of digital rights management (DRM) by modifying the operating system to interfere with CD copyi... |
https://en.wikipedia.org/wiki/Linear%20integrated%20circuit | A linear integrated circuit or analog chip is a set of miniature electronic analog circuits formed on a single piece of semiconductor material.
Description
The voltage and current at specified points in the circuits of analog chips vary continuously over time. In contrast, digital chips only assign meaning to voltages... |
https://en.wikipedia.org/wiki/Message%20Handling%20System | Message Handling System (MHS) is an important early email protocol developed by Action Technologies, Inc. (ATI) in 1986. Novell licensed it in 1988 then later bought it.
Email clients
A wide variety of email clients used MHS, including:
Para-Mail - Paradox Development introduced version 2.0 along with Novell at Comde... |
https://en.wikipedia.org/wiki/Generalist%20and%20specialist%20species | A generalist species is able to thrive in a wide variety of environmental conditions and can make use of a variety of different resources (for example, a heterotroph with a varied diet). A specialist species can thrive only in a narrow range of environmental conditions or has a limited diet. Most organisms do not all f... |
https://en.wikipedia.org/wiki/Phosphorene | Phosphorene is a two-dimensional material consisting of phosphorus. It consists of a single layer of black phosphorus, the most stable allotrope of phosphorus. Phosphorene is analogous to graphene (single layer graphite). Among two-dimensional materials, phosphorene is a competitor to graphene because it has a nonzero ... |
https://en.wikipedia.org/wiki/Slingbox | The Slingbox was a TV streaming media device made by Sling Media that encoded local video for transmission over the Internet to a remote device (sometimes called placeshifting). It allowed users to remotely view and control their cable, satellite, or digital video recorder (DVR) system at home from a remote Internet-co... |
https://en.wikipedia.org/wiki/Service%20Advertising%20Protocol | The Service Advertising Protocol (SAP) is included in the Internetwork Packet Exchange (IPX) protocol. SAP makes the process of adding and removing services on an IPX internetwork dynamic. SAP was maintained by Novell.
As servers are booted up, they may advertise their services using SAP; when they are brought down, t... |
https://en.wikipedia.org/wiki/IBM%20LU6.2 | Logical Unit 6.2 is an IBM-originated communications protocol specification dating from 1974, and is part of IBM's Systems Network Architecture (SNA).
A device-independent SNA protocol, it is used for peer-to-peer communications between two systems, for example, between a computer and a device (e.g. terminal or printe... |
https://en.wikipedia.org/wiki/6b/8b%20encoding | In telecommunications, 6b/8b is a line code that expands 6-bit codes to 8-bit symbols for the purposes of maintaining DC-balance in a communications system.
The 6b/8b encoding is a balanced code --
each 8-bit output symbol contains 4 zero bits and 4 one bits. So the code can, like a parity bit, detect all single-bit e... |
https://en.wikipedia.org/wiki/Tartar%20Guided%20Missile%20Fire%20Control%20System | The Tartar Guided Missile Fire Control System is an air defense system developed by the United States Navy to defend warships from air attack. Since its introduction the system has been improved and sold to several United States allies.
Description
The Tartar Guided Missile Fire Control System is a component of the ov... |
https://en.wikipedia.org/wiki/Tethering | Tethering or phone-as-modem (PAM) is the sharing of a mobile device's Internet connection with other connected computers. Connection of a mobile device with other devices can be done over wireless LAN (Wi-Fi), over Bluetooth or by physical connection using a cable, for example through USB.
If tethering is done over WL... |
https://en.wikipedia.org/wiki/Reflective%20surfaces%20%28climate%20engineering%29 | Reflective surfaces, or ground-based albedo modification (GBAM), is a solar radiation management method of enhancing Earth's albedo (the ability to reflect the visible, infrared, and ultraviolet wavelengths of the Sun, reducing heat transfer to the surface). The IPCC described this method as "whitening roofs, changes i... |
https://en.wikipedia.org/wiki/IDEF1X | Integration DEFinition for information modeling (IDEF1X) is a data modeling language for the development of semantic data models. IDEF1X is used to produce a graphical information model which represents the structure and semantics of information within an environment or system.
IDEF1X permits the construction of sem... |
https://en.wikipedia.org/wiki/Netvibes | Netvibes is a French company that offers web services.
History
The company was founded by Tariq Krim and Florent Frémont in 2005.
In August 2006, Netvibes closed a funding round of €12 million led by Accel Partners in London along with Index Ventures.
Since May 2008, Freddy Mini is the Chief Executive Officer of Netvi... |
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