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https://en.wikipedia.org/wiki/Perpetual%20beta | Perpetual beta is the keeping of software or a system at the beta development stage for an extended or indefinite period of time. It is often used by developers when they continue to release new features that might not be fully tested. Perpetual beta software is not recommended for mission critical machines. However, m... |
https://en.wikipedia.org/wiki/FD%20Trinitron/WEGA | FD Trinitron/WEGA is Sony's flat version of the Trinitron picture tube. This technology was also used in computer monitors bearing the Trinitron mark. The FD Trinitron used computer-controlled feedback systems to ensure sharp focus across a flat screen. The FD Trinitron reduces the amount of glare on the screen by refl... |
https://en.wikipedia.org/wiki/Rotary%20wheel%20blow%20molding%20systems | Rotary wheel blow molding systems are used for the high-output production of a wide variety of plastic extrusion blow molded articles. Containers may be produced from small, single serve bottles to large containers up to 20-30 liters in volume - but wheel machines are often sized for the volume and dimensional demands... |
https://en.wikipedia.org/wiki/IBM%20SAN%20Volume%20Controller | The IBM SAN Volume Controller (SVC) is a block storage virtualization appliance that belongs to the IBM System Storage product family. SVC implements an indirection, or "virtualization", layer in a Fibre Channel storage area network (SAN).
Architecture
The IBM 2145 SAN Volume Controller (SVC) is an inline virtualizat... |
https://en.wikipedia.org/wiki/Mating%20of%20yeast | The yeast Saccharomyces cerevisiae is a simple single-celled eukaryote with both a diploid and haploid mode of existence. The mating of yeast only occurs between haploids, which can be either the a or α (alpha) mating type and thus display simple sexual differentiation. Mating type is determined by a single locus, MAT,... |
https://en.wikipedia.org/wiki/IBM%207070 | IBM 7070 is a decimal-architecture intermediate data-processing system that was introduced by IBM in 1958. It was part of the IBM 700/7000 series, and was based on discrete transistors rather than the vacuum tubes of the 1950s. It was the company's first transistorized stored-program computer.
The 7070 was expected to... |
https://en.wikipedia.org/wiki/Corpora%20amylacea | Corpora amylacea (CA) (from the Latin meaning "starch-like bodies;" also known as wasteosomes) is a general term for small hyaline masses found in the prostate gland, nervous system, lung, and sometimes in other organs of the body. Corpora amylacea increase in number and size with advancing age, although this increase... |
https://en.wikipedia.org/wiki/DREAM%20%28software%29 | The Distributed Real-time Embedded Analysis Method (DREAM) is a platform-independent open-source tool for the verification and analysis of distributed real-time and embedded (DRE) systems which focuses on the practical application of formal verification and timing analysis to real-time middleware. DREAM supports forma... |
https://en.wikipedia.org/wiki/Positive%20and%20negative%20parts | In mathematics, the positive part of a real or extended real-valued function is defined by the formula
Intuitively, the graph of is obtained by taking the graph of , chopping off the part under the x-axis, and letting take the value zero there.
Similarly, the negative part of f is defined as
Note that both f+ and... |
https://en.wikipedia.org/wiki/Levenshtein%20automaton | In computer science, a Levenshtein automaton for a string w and a number n is a finite-state automaton that can recognize the set of all strings whose Levenshtein distance from w is at most n. That is, a string x is in the formal language recognized by the Levenshtein automaton if and only if x can be transformed into ... |
https://en.wikipedia.org/wiki/Iodine-125 | Iodine-125 (125I) is a radioisotope of iodine which has uses in biological assays, nuclear medicine imaging and in radiation therapy as brachytherapy to treat a number of conditions, including prostate cancer, uveal melanomas, and brain tumors. It is the second longest-lived radioisotope of iodine, after iodine-129.
I... |
https://en.wikipedia.org/wiki/List%20of%20flora%20on%20stamps%20of%20Australia | Australia's diverse and often attractive flora has been depicted on numerous Australian stamp issues:
Acacia baileyana – 1978
Acacia coriacea – 2002
Acacia dealbata (?) – 1982
Acacia melanoxylon – 1996
Acacia pycnantha – 1959, 1979, 1990
Acmena smithii – 2002
Actinodium cunninghamii – 2005
Actinotus helianthi – 1959
A... |
https://en.wikipedia.org/wiki/Network%20analyzer%20%28electrical%29 | A network analyzer is an instrument that measures the network parameters of electrical networks. Today, network analyzers commonly measure s–parameters because reflection and transmission of electrical networks are easy to measure at high frequencies, but there are other network parameter sets such as y-parameters, z-p... |
https://en.wikipedia.org/wiki/Simple%20Grid%20Protocol | Simple Grid Protocol is a free open source grid computing package. Developed & maintained by Brendan Kosowski, the package includes the protocol & software tools needed to get a computational grid up and running on Linux & BSD.
Coded in SBCL (Steel Bank Common Lisp), Simple Grid Protocol allows computer programs to ut... |
https://en.wikipedia.org/wiki/Group%20signature | A group signature scheme is a method for allowing a member of a group to anonymously sign a message on behalf of the group. The concept was first introduced by David Chaum and Eugene van Heyst in 1991. For example, a group signature scheme could be used by an employee of a large company where it is sufficient for a ver... |
https://en.wikipedia.org/wiki/Cleanroom%20software%20engineering | The cleanroom software engineering process is a software development process intended to produce software with a certifiable level of reliability. The central principles are software development based on formal methods, incremental implementation under statistical quality control, and statistically sound testing.
His... |
https://en.wikipedia.org/wiki/Agent%20Communications%20Language | Agent Communication Language (ACL), proposed by the Foundation for Intelligent Physical Agents (FIPA), is a proposed standard language for agent communications. Knowledge Query and Manipulation Language (KQML) is another proposed standard.
The most popular ACLs are:
FIPA-ACL (by the Foundation for Intelligent Physi... |
https://en.wikipedia.org/wiki/Charles%20Darwin%20Research%20Station | Charles Darwin Research Station (CDRS) (, ECCD) is a biological research station in Puerto Ayora, Santa Cruz Island, Galápagos, Ecuador. The station is operated by the Charles Darwin Foundation which was founded in 1959 under the auspices of UNESCO and the World Conservation Union. The research station serves as the... |
https://en.wikipedia.org/wiki/Sign%20extension | Sign extension (sometimes abbreviated as sext, particularly in mnemonics) is the operation, in computer arithmetic, of increasing the number of bits of a binary number while preserving the number's sign (positive/negative) and value. This is done by appending digits to the most significant side of the number, following... |
https://en.wikipedia.org/wiki/Steel%20Bank%20Common%20Lisp | Steel Bank Common Lisp (SBCL) is a free Common Lisp implementation that features a high-performance native compiler, Unicode support and threading.
The name "Steel Bank Common Lisp" is a reference to Carnegie Mellon University Common Lisp from which SBCL forked: Andrew Carnegie made his fortune in the steel industry a... |
https://en.wikipedia.org/wiki/Racket%20%28programming%20language%29 | Racket is a general-purpose, multi-paradigm programming language and a multi-platform distribution that includes the Racket language, compiler, large standard library, IDE, development tools, and a set of additional languages including Typed Racket (a sister language of Racket with a static type-checker), Swindle, FrTi... |
https://en.wikipedia.org/wiki/Wiener%E2%80%93Khinchin%20theorem | In applied mathematics, the Wiener–Khinchin theorem or Wiener–Khintchine theorem, also known as the Wiener–Khinchin–Einstein theorem or the Khinchin–Kolmogorov theorem, states that the autocorrelation function of a wide-sense-stationary random process has a spectral decomposition given by the power spectral density of ... |
https://en.wikipedia.org/wiki/American%20Bureau%20of%20Shipping | The American Bureau of Shipping (ABS) is an American maritime classification society established in 1862. Its stated mission to promote the security of life, property, and the natural environment, primarily through the development and verification of standards for the design, construction and operational maintenance of... |
https://en.wikipedia.org/wiki/Navajo%20Indian%20Irrigation%20Project | The Navajo Indian Irrigation Project (NIIP) () is a large agricultural development located in the northwest corner of New Mexico. The NIIP is one of the largest Native American owned and operated agricultural businesses in the United States. This venture finds its origins in the 1930s when the federal government was lo... |
https://en.wikipedia.org/wiki/Supersingular%20variety | In mathematics, a supersingular variety is (usually) a smooth projective variety in nonzero characteristic such that for all n the slopes of the Newton polygon of the nth crystalline cohomology are all n/2 . For special classes of varieties such as elliptic curves it is common to use various ad hoc definitions of "supe... |
https://en.wikipedia.org/wiki/Maximum%20satisfiability%20problem | In computational complexity theory, the maximum satisfiability problem (MAX-SAT) is the problem of determining the maximum number of clauses, of a given Boolean formula in conjunctive normal form, that can be made true by an assignment of truth values to the variables of the formula. It is a generalization of the Boole... |
https://en.wikipedia.org/wiki/Map%20communication%20model | The Map Communication Model is a theory in cartography that characterizes mapping as a process of transmitting geographic information via the map from the cartographer to the end-user. It was perhaps the first paradigm to gain widespread acceptance in cartography in the international cartographic community and between ... |
https://en.wikipedia.org/wiki/Wavelet%20transform | In mathematics, a wavelet series is a representation of a square-integrable (real- or complex-valued) function by a certain orthonormal series generated by a wavelet. This article provides a formal, mathematical definition of an orthonormal wavelet and of the integral wavelet transform.
Definition
A function is calle... |
https://en.wikipedia.org/wiki/Ghost-canceling%20reference | Ghost-canceling reference (GCR) is a special sub-signal on a television channel that receivers can use to compensate for the ghosting effect of a television signal distorted by multipath propagation between transmitter and receiver.
In the United States, the GCR signal is a chirp in frequency of the modulating signal ... |
https://en.wikipedia.org/wiki/Glossary%20of%20invasion%20biology%20terms | The need for a clearly defined and consistent invasion biology terminology has been acknowledged by many sources. Invasive species, or invasive exotics, is a nomenclature term and categorization phrase used for flora and fauna, and for specific restoration-preservation processes in native habitats. Invasion biology is ... |
https://en.wikipedia.org/wiki/Dual%20wavelet | In mathematics, a dual wavelet is the dual to a wavelet. In general, the wavelet series generated by a square-integrable function will have a dual series, in the sense of the Riesz representation theorem. However, the dual series is not itself in general representable by a square-integrable function.
Definition
Given ... |
https://en.wikipedia.org/wiki/Norton%20SystemWorks | Norton SystemWorks is a discontinued utility software suite by Symantec Corp. It integrates three of Symantec's most popular products – Norton Utilities, Norton CrashGuard and Norton AntiVirus – into one program designed to simplify solving common PC issues. Backup software was added later to high-end editions. SystemW... |
https://en.wikipedia.org/wiki/Incubator%20%28culture%29 | An incubator is a device used to grow and maintain microbiological cultures or cell cultures. The incubator maintains optimal temperature, humidity and other conditions such as the CO2 and oxygen content of the atmosphere inside. Incubators are essential for much experimental work in cell biology, microbiology and mole... |
https://en.wikipedia.org/wiki/Virtual%20instrumentation | Virtual instrumentation is the use of customizable software and modular measurement hardware to create user-defined measurement systems, called virtual instruments.
Traditional hardware instrumentation systems are made up of fixed hardware components, such as digital multimeters and oscilloscopes that are completely s... |
https://en.wikipedia.org/wiki/Countercontrol | Countercontrol is a term used by Dr. B.F. Skinner in 1953 as a functional class in the analysis of social behavior.
Opposition or resistance to intervention defines countercontrol, however little systematic research has been conducted to document its occurrence. Skinner also distinguished it from the literature of fre... |
https://en.wikipedia.org/wiki/Pulsed%20columns | Pulsed columns are a type of liquid-liquid extraction equipment; examples of this class of extraction equipment is used at the BNFL plant THORP.
Special use in nuclear industries for fuel reprocessing, where spent fuel from reactors is subjected to solvent extraction. A pulsation is created using air by a pulse leg. T... |
https://en.wikipedia.org/wiki/System%20Management%20Mode | System Management Mode (SMM, sometimes called ring −2 in reference to protection rings) is an operating mode of x86 central processor units (CPUs) in which all normal execution, including the operating system, is suspended. An alternate software system which usually resides in the computer's firmware, or a hardware-as... |
https://en.wikipedia.org/wiki/Green-beard%20effect | The green-beard effect is a thought experiment used in evolutionary biology to explain selective altruism among individuals of a species.
The idea of a green-beard gene was proposed by William D. Hamilton in his articles of 1964, and got the name from the example used by Richard Dawkins ("I have a green beard and I w... |
https://en.wikipedia.org/wiki/Carnegie%20Mellon%20University%20Usable%20Privacy%20and%20Security%20Laboratory | The Carnegie Mellon University Usable Privacy and Security Laboratory (CUPS) was established in the Spring of 2004 to bring together Carnegie Mellon University researchers working on a diverse set of projects related to understanding and improving the usability of privacy and security software and systems. The privacy ... |
https://en.wikipedia.org/wiki/Patrick%27s%20test | Patrick's test or FABER test is performed to evaluate pathology of the hip joint or the sacroiliac joint.
The test is performed by having the tested leg flexed and the thigh abducted and externally rotated. If pain is elicited on the ipsilateral side anteriorly, it is suggestive of a hip joint disorder on the same sid... |
https://en.wikipedia.org/wiki/Rho%28D%29%20immune%20globulin | Rho(D) immune globulin (RhIG) is a medication used to prevent RhD isoimmunization in mothers who are RhD negative and to treat idiopathic thrombocytopenic purpura (ITP) in people who are Rh positive. It is often given both during and following pregnancy. It may also be used when RhD-negative people are given RhD-positi... |
https://en.wikipedia.org/wiki/Correlated%20equilibrium | In game theory, a correlated equilibrium is a solution concept that is more general than the well known Nash equilibrium. It was first discussed by mathematician Robert Aumann in 1974. The idea is that each player chooses their action according to their private observation of the value of the same public signal. A str... |
https://en.wikipedia.org/wiki/Irregular%20matrix | An irregular matrix, or ragged matrix, is a matrix that has a different number of elements in each row. Ragged matrices are not used in linear algebra, since standard matrix transformations cannot be performed on them, but they are useful in computing as arrays which are called jagged arrays. Irregular matrices are typ... |
https://en.wikipedia.org/wiki/Moore%20method | The Moore method is a deductive manner of instruction used in advanced mathematics courses. It is named after Robert Lee Moore, a famous topologist who first used a stronger version of the method at the University of Pennsylvania when he began teaching there in 1911. (Zitarelli, 2004)
The way the course is conducted v... |
https://en.wikipedia.org/wiki/Artificial%20reproduction | Artificial reproduction is the re-creation of life by other than the natural means and natural causes. It involves building of new life following human plans and projects. Examples include, artificial selection, artificial insemination, in vitro fertilization, artificial womb, artificial cloning, and kinematic replica... |
https://en.wikipedia.org/wiki/Circular%20convolution | Circular convolution, also known as cyclic convolution, is a special case of periodic convolution, which is the convolution of two periodic functions that have the same period. Periodic convolution arises, for example, in the context of the discrete-time Fourier transform (DTFT). In particular, the DTFT of the produc... |
https://en.wikipedia.org/wiki/Dynamic%20energy%20budget%20theory | The dynamic energy budget (DEB) theory is a formal metabolic theory which provides a single quantitative framework to dynamically describe the aspects of metabolism (energy and mass budgets) of all living organisms at the individual level, based on assumptions about energy uptake, storage, and utilization of various su... |
https://en.wikipedia.org/wiki/Cyberwarfare | Cyberwarfare is the use of cyber attacks against an enemy state, causing comparable harm to actual warfare and/or disrupting vital computer systems. Some intended outcomes could be espionage, sabotage, propaganda, manipulation or economic warfare.
There is significant debate among experts regarding the definition of c... |
https://en.wikipedia.org/wiki/Materials%20informatics | Materials informatics is a field of study that applies the principles of informatics and data science to materials science and engineering to improve the understanding, use, selection, development, and discovery of materials. The term "materials informatics" is frequently used interchangeably with "data science", "mach... |
https://en.wikipedia.org/wiki/De%20novo%20mutation | A de novo mutation (DNM) is any mutation or alteration in the genome of an individual organism (human, animal, plant, microbe, etc.) that was not inherited from its parents. This type of mutation spontaneously occurs during the process of DNA replication during cell division. De novo mutations, by definition, are prese... |
https://en.wikipedia.org/wiki/List%20of%20input%20methods%20for%20Unix%20platforms | This is intended as a non-exhaustive list of input methods for Unix platforms. An input method is a means of entering characters and glyphs that have a corresponding encoding in a character set. See the input method page for more information.
Input methods
Unix
Computing-related lists |
https://en.wikipedia.org/wiki/Tricotyledon%20theory%20of%20system%20design | In systems engineering, the tricotyledon theory of system design (T3SD) is a mathematical theory of system design developed by A. Wayne Wymore. T3SD consists of a language for describing systems and requirements, which is based on set theory, a mathematical systems model based on port automata, and a precise definition... |
https://en.wikipedia.org/wiki/String%20art | __notoc__
String art or pin and thread art, is characterized by an arrangement of colored thread strung between points to form geometric patterns or representational designs such as a ship's sails, sometimes with other artist material comprising the remainder of the work. Thread, wire, or string is wound around a grid... |
https://en.wikipedia.org/wiki/Infill | In urban planning, infill, or in-fill, is the rededication of land in an urban environment, usually open-space, to new construction. Infill also applies, within an urban polity, to construction on any undeveloped land that is not on the urban margin. The slightly broader term "land recycling" is sometimes used instead.... |
https://en.wikipedia.org/wiki/Diamond-square%20algorithm | The diamond-square algorithm is a method for generating heightmaps for computer graphics. It is a slightly better algorithm than the three-dimensional implementation of the midpoint displacement algorithm, which produces two-dimensional landscapes. It is also known as the random midpoint displacement fractal, the clou... |
https://en.wikipedia.org/wiki/ISO%2031-11 | ISO 31-11:1992 was the part of international standard ISO 31 that defines mathematical signs and symbols for use in physical sciences and technology. It was superseded in 2009 by ISO 80000-2:2009 and subsequently revised in 2019 as ISO-80000-2:2019.
Its definitions include the following:
Mathematical logic
Sets
Mis... |
https://en.wikipedia.org/wiki/Optical%20fiber | An optical fiber, or optical fibre in Commonwealth English, is a flexible glass or plastic fiber that can transmit light from one end to the other. Such fibers find wide usage in fiber-optic communications, where they permit transmission over longer distances and at higher bandwidths (data transfer rates) than electric... |
https://en.wikipedia.org/wiki/Accelerated%20aging | Accelerated aging is testing that uses aggravated conditions of heat, humidity, oxygen, sunlight, vibration, etc. to speed up the normal aging processes of items. It is used to help determine the long-term effects of expected levels of stress within a shorter time, usually in a laboratory by controlled standard test me... |
https://en.wikipedia.org/wiki/Three-point%20cross | In genetics, a three-point cross is used to determine the loci of three genes in an organism's genome.
An individual heterozygous for three mutations is crossed with a homozygous recessive individual, and the phenotypes of the progeny are scored. The two most common phenotypes that result are the parental gametes; the... |
https://en.wikipedia.org/wiki/Earth%20systems%20engineering%20and%20management | Earth systems engineering and management (ESEM) is a discipline used to analyze, design, engineer and manage complex environmental systems. It entails a wide range of subject areas including anthropology, engineering, environmental science, ethics and philosophy. At its core, ESEM looks to "rationally design and manage... |
https://en.wikipedia.org/wiki/Corporation%20for%20Education%20Network%20Initiatives%20in%20California | The Corporation for Education Network Initiatives in California (CENIC ( )) is a nonprofit corporation formed in 1997 to provide high-performance, high-bandwidth networking services to California universities and research institutions. Through this corporation, representatives from all of California's K-20 public educ... |
https://en.wikipedia.org/wiki/Ant%E2%80%93fungus%20mutualism | The ant–fungus mutualism is a symbiosis seen between certain ant and fungal species, in which ants actively cultivate fungus much like humans farm crops as a food source. There is only evidence of two instances in which this form of agriculture evolved in ants resulting in a dependence on fungi for food. These instance... |
https://en.wikipedia.org/wiki/Clipping%20%28audio%29 | Clipping is a form of waveform distortion that occurs when an amplifier is overdriven and attempts to deliver an output voltage or current beyond its maximum capability. Driving an amplifier into clipping may cause it to output power in excess of its power rating.
In the frequency domain, clipping produces strong harm... |
https://en.wikipedia.org/wiki/Engineers%20for%20a%20Sustainable%20World | Engineers for a Sustainable World (ESW) is a not-for-profit network headquartered in Pittsburgh, PA, USA. ESW is an umbrella organization with chapters established at over 50 colleges, universities, and city chapters located primarily in the United States and Canada ESW members work on technical design projects that ha... |
https://en.wikipedia.org/wiki/Washington%20Accord%20%28credentials%29 | The Washington Accord is an international accreditation agreement for undergraduate professional engineering academic degrees and postgraduate professional
engineering academic degrees between the bodies responsible for accreditation in its signatory countries. The full signatories as of 2023 are Australia, Canada, C... |
https://en.wikipedia.org/wiki/Automata-based%20programming | Automata-based programming is a programming paradigm in which the program or part of it is thought of as a model of a finite-state machine (FSM) or any other (often more complicated) formal automaton (see automata theory). Sometimes a potentially infinite set of possible states is introduced, and such a set can have a ... |
https://en.wikipedia.org/wiki/Resolvent%20formalism | In mathematics, the resolvent formalism is a technique for applying concepts from complex analysis to the study of the spectrum of operators on Banach spaces and more general spaces. Formal justification for the manipulations can be found in the framework of holomorphic functional calculus.
The resolvent captures the ... |
https://en.wikipedia.org/wiki/Kontorovich%E2%80%93Lebedev%20transform | In mathematics, the Kontorovich–Lebedev transform is an integral transform which uses a Macdonald function (modified Bessel function of the second kind) with imaginary index as its kernel. Unlike other Bessel function transforms, such as the Hankel transform, this transform involves integrating over the index of the fu... |
https://en.wikipedia.org/wiki/Mizuna | , kyouna (京菜), Japanese mustard greens, or spider mustard, is a cultivar of Brassica rapa var. niposinica.
Description and use
Possessing dark green, serrated leaves, mizuna is described as having, when raw, a "piquant, mild peppery flavor...slightly spicy, but less so than arugula." It is also used in stir-fries, so... |
https://en.wikipedia.org/wiki/Smart%20environment | Smart environments link computers and other smart devices to everyday settings and tasks. Smart environments include smart homes, smart cities and smart manufacturing.
Introduction
Smart environments are an extension of pervasive computing. According to Mark Weiser, pervasive computing promotes the idea of a world tha... |
https://en.wikipedia.org/wiki/Magnetotactic%20bacteria | Magnetotactic bacteria (or MTB) are a polyphyletic group of bacteria that orient themselves along the magnetic field lines of Earth's magnetic field. Discovered in 1963 by Salvatore Bellini and rediscovered in 1975 by Richard Blakemore, this alignment is believed to aid these organisms in reaching regions of optimal ox... |
https://en.wikipedia.org/wiki/Choke%20%28electronics%29 | In electronics, a choke is an inductor used to block higher-frequency alternating currents (AC) while passing direct current (DC) and lower-frequency ACs in a circuit. A choke usually consists of a coil of insulated wire often wound on a magnetic core, although some consist of a doughnut-shaped ferrite bead strung on a... |
https://en.wikipedia.org/wiki/History%20of%20the%20Hindu%E2%80%93Arabic%20numeral%20system | The Hindu–Arabic numeral system is a decimal place-value numeral system that uses a zero glyph as in "205".
Its glyphs are descended from the Indian Brahmi numerals. The full system emerged by the 8th to 9th centuries, and is first described outside India in Al-Khwarizmi's On the Calculation with Hindu Numerals (ca. ... |
https://en.wikipedia.org/wiki/Video%20display%20controller | A video display controller or VDC (also called a display engine or display interface) is an integrated circuit which is the main component in a video-signal generator, a device responsible for the production of a TV video signal in a computing or game system. Some VDCs also generate an audio signal, but that is not the... |
https://en.wikipedia.org/wiki/Mocha%20%28decompiler%29 | Mocha is a Java decompiler, which allows programmers to translate a program's bytecode into source code.
A beta version of Mocha was released in 1996, by Dutch developer Hanpeter van Vliet, alongside an obfuscator named Crema. A controversy erupted and he temporarily withdrew Mocha from public distribution. As of 2009... |
https://en.wikipedia.org/wiki/Braid-breaker | A braid-breaker is a filter that prevents television interference (TVI). In many cases, TVI is caused by a high field strength of a nearby high frequency (HF) transmitter, the aerial down lead plugged into the back of the TV acts as a longwire antenna or as a simple vertical element. The radio frequency (RF) current fl... |
https://en.wikipedia.org/wiki/Television%20interference | Television interference (TVI) is a particular case of electromagnetic interference which affects television reception. Many natural and man-made phenomena can disrupt the reception of television signals. These include naturally occurring and artificial spark discharges, and effects due to the operation of radio trans... |
https://en.wikipedia.org/wiki/Pierre%20Gagnaire | Pierre Gagnaire (born 9 April 1950 in Apinac, Loire) is a French chef, and the head chef and owner of the eponymous Pierre Gagnaire restaurant at 6 rue Balzac in Paris (in the 8th arrondissement). Gagnaire is an iconoclastic chef at the forefront of the fusion cuisine movement. Beginning his career in St. Etienne where... |
https://en.wikipedia.org/wiki/Estragole | Estragole (p-allylanisole, methyl chavicol) is a phenylpropene, a natural organic compound. Its chemical structure consists of a benzene ring substituted with a methoxy group and an allyl group. It is an isomer of anethole, differing with respect to the location of the double bond. It is a colorless liquid, although ... |
https://en.wikipedia.org/wiki/Neyer%20d-optimal%20test | The Neyer d-optimal test is a sensitivity test. It can be used to answer questions such as "How far can a carton of eggs fall, on average, before one breaks?" If these egg cartons are very expensive, the person running the test would like to minimize the number of cartons dropped, to keep the experiment cheaper and to... |
https://en.wikipedia.org/wiki/Absorption%20wavemeter | An absorption wavemeter is a simple electronic instrument used to measure the frequency of radio waves. It is an older method of measuring frequency, widely used from the birth of radio in the early 20th century until the 1970s, when the development of inexpensive frequency counters, which have far greater accuracy, m... |
https://en.wikipedia.org/wiki/Validator | A validator is a computer program used to check the validity or syntactical correctness of a fragment of code or document. The term is commonly used in the context of validating HTML, CSS, and XML documents like RSS feeds, though it can be used for any defined format or language.
Accessibility validators are automated... |
https://en.wikipedia.org/wiki/%C3%89cole%20Nationale%20Sup%C3%A9rieure%20d%27%C3%89lectrochimie%20et%20d%27%C3%89lectrom%C3%A9tallurgie%20de%20Grenoble | The École Nationale Supérieure d'Électrochimie et d'Électrométallurgie de Grenoble, or ENSEEG, was one of the French Grandes écoles of engineering (engineering schools). It has been created in 1921 under the name Institut d’électrochimie et d’électrométallurgie (IEE) (Institute of Electrochemistry and Electrometallurg... |
https://en.wikipedia.org/wiki/Current%20divider | In electronics, a current divider is a simple linear circuit that produces an output current (IX) that is a fraction of its input current (IT). Current division refers to the splitting of current between the branches of the divider. The currents in the various branches of such a circuit will always divide in such a wa... |
https://en.wikipedia.org/wiki/Parametric%20polymorphism | In programming languages and type theory, parametric polymorphism allows a single piece of code to be given a "generic" type, using variables in place of actual types, and then instantiated with particular types as needed. Parametrically polymorphic functions and data types are sometimes called generic functions and ge... |
https://en.wikipedia.org/wiki/List%20of%20portable%20software | For the purposes of this list, a portable application is software that can be used from portable storage devices such as USB flash drives, digital audio players, PDAs or external hard drives. To be considered for inclusion, an application must be executable on multiple computers from removable storage without installat... |
https://en.wikipedia.org/wiki/Lighting%20control%20system | A lighting control system incorporates communication between various system inputs and outputs related to lighting control with the use of one or more central computing devices. Lighting control systems are widely used on both indoor and outdoor lighting of commercial, industrial, and residential spaces. Lighting con... |
https://en.wikipedia.org/wiki/MOS%20Technology%20CIA | The 6526/8520 Complex Interface Adapter (CIA) was an integrated circuit made by MOS Technology. It served as an I/O port controller for the 6502 family of microprocessors, providing for parallel and serial I/O capabilities as well as timers and a Time-of-Day (TOD) clock. The device's most prominent use was in the Commo... |
https://en.wikipedia.org/wiki/1seg | is a mobile terrestrial digital audio/video and data broadcasting service in Japan, Argentina, Brazil, Chile, Uruguay, Paraguay, Peru and the Philippines. Service began experimentally during 2005 and commercially on April 1, 2006. It is designed as a component of ISDB-T, the terrestrial digital broadcast system used in... |
https://en.wikipedia.org/wiki/Information%20security%20standards | Information security standards or cyber security standards are techniques generally outlined in published materials that attempt to protect the cyber environment of a user or organization. This environment includes users themselves, networks, devices, all software, processes, information in storage or transit, applicat... |
https://en.wikipedia.org/wiki/William%20Hubert%20Burr | William Hubert Burr C.E. (1851–1934) was an American civil engineer, born at Watertown, Connecticut. He received his education at the Rensselaer Polytechnic Institute. Over several decades, he worked at various places. In 1884 he became assistant engineer to the Phoenix Bridge Company. After 1893 he was consulting e... |
https://en.wikipedia.org/wiki/KQCA | KQCA (channel 58) is a television station licensed to Stockton, California, United States, serving the Sacramento area as a dual affiliate of The CW and MyNetworkTV. It is owned by Hearst Television alongside NBC affiliate KCRA-TV (channel 3). Both stations share studios on Television Circle off D Street in downtown Sa... |
https://en.wikipedia.org/wiki/Hindu%E2%80%93Arabic%20numeral%20system | The Hindu–Arabic numeral system or Indo-Arabic numeral system (also called the Hindu numeral system or Arabic numeral system) is a positional base ten numeral system for representing integers, which can be extended to include non-integers, i.e the Decimal numeral system, which is the most common system for the symbolic... |
https://en.wikipedia.org/wiki/Activation | Activation, in chemistry and biology, is the process whereby something is prepared or excited for a subsequent reaction.
Chemistry
In chemistry, "activation" refers to the reversible transition of a molecule into a nearly identical chemical or physical state, with the defining characteristic being that this resultant... |
https://en.wikipedia.org/wiki/Envelope%20theorem | In mathematics and economics, the envelope theorem is a major result about the differentiability properties of the value function of a parameterized optimization problem. As we change parameters of the objective, the envelope theorem shows that, in a certain sense, changes in the optimizer of the objective do not contr... |
https://en.wikipedia.org/wiki/B-Dienst | The B-Dienst (, observation service), also called xB-Dienst, X-B-Dienst and χB-Dienst, was a Department of the German Naval Intelligence Service (, MND III) of the OKM, that dealt with the interception and recording, decoding and analysis of the enemy, in particular British radio communications before and during World ... |
https://en.wikipedia.org/wiki/Disk%20encryption%20theory | Disk encryption is a special case of data at rest protection when the storage medium is a sector-addressable device (e.g., a hard disk). This article presents cryptographic aspects of the problem. For an overview, see disk encryption. For discussion of different software packages and hardware devices devoted to this pr... |
https://en.wikipedia.org/wiki/Scale%20analysis%20%28mathematics%29 | Scale analysis (or order-of-magnitude analysis) is a powerful tool used in the mathematical sciences for the simplification of equations with many terms. First the approximate magnitude of individual terms in the equations is determined. Then some negligibly small terms may be ignored.
Example: vertical momentum in sy... |
https://en.wikipedia.org/wiki/Algebraic%20connectivity | The algebraic connectivity (also known as Fiedler value or Fiedler eigenvalue after Miroslav Fiedler) of a graph G is the second-smallest eigenvalue (counting multiple eigenvalues separately) of the Laplacian matrix of G. This eigenvalue is greater than 0 if and only if G is a connected graph. This is a corollary to th... |
https://en.wikipedia.org/wiki/Thomae%27s%20function | Thomae's function is a real-valued function of a real variable that can be defined as:
It is named after Carl Johannes Thomae, but has many other names: the popcorn function, the raindrop function, the countable cloud function, the modified Dirichlet function, the ruler function, the Riemann function, or the Stars ove... |
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