source stringlengths 31 203 | text stringlengths 28 2k |
|---|---|
https://en.wikipedia.org/wiki/Code%20Access%20Security | Code Access Security (CAS), in the Microsoft .NET framework, is Microsoft's solution to prevent untrusted code from performing privileged actions. When the CLR loads an assembly it will obtain evidence for the assembly and use this to identify the code group that the assembly belongs to. A code group contains a permiss... |
https://en.wikipedia.org/wiki/Fujiwhara%20effect | The Fujiwhara effect, sometimes referred to as the Fujiwara effect, Fujiw(h)ara interaction or binary interaction, is a phenomenon that occurs when two nearby cyclonic vortices move around each other and close the distance between the circulations of their corresponding low-pressure areas. The effect is named after Sak... |
https://en.wikipedia.org/wiki/Nichols%20plot | The Nichols plot is a plot used in signal processing and control design, named after American engineer Nathaniel B. Nichols.
Use in control design
Given a transfer function,
with the closed-loop transfer function defined as,
the Nichols plots displays versus . Loci of constant and are overlaid to allow the design... |
https://en.wikipedia.org/wiki/Least%20mean%20squares%20filter | Least mean squares (LMS) algorithms are a class of adaptive filter used to mimic a desired filter by finding the filter coefficients that relate to producing the least mean square of the error signal (difference between the desired and the actual signal). It is a stochastic gradient descent method in that the filter is... |
https://en.wikipedia.org/wiki/Recursive%20least%20squares%20filter | Recursive least squares (RLS) is an adaptive filter algorithm that recursively finds the coefficients that minimize a weighted linear least squares cost function relating to the input signals. This approach is in contrast to other algorithms such as the least mean squares (LMS) that aim to reduce the mean square error.... |
https://en.wikipedia.org/wiki/Common%20Indexing%20Protocol | The Common Indexing Protocol (CIP) was an attempt in the IETF working group FIND during the mid-1990s to define a protocol for exchanging index information between directory services.
In the X.500 Directory model, searches scoped near the root of the tree (e.g. at a particular country) were problematic to implement,... |
https://en.wikipedia.org/wiki/Set%20packing | Set packing is a classical NP-complete problem in computational complexity theory and combinatorics, and was one of Karp's 21 NP-complete problems. Suppose one has a finite set S and a list of subsets of S. Then, the set packing problem asks if some k subsets in the list are pairwise disjoint (in other words, no two of... |
https://en.wikipedia.org/wiki/Poly1305 | Poly1305 is a universal hash family designed by Daniel J. Bernstein for use in cryptography.
As with any universal hash family, Poly1305 can be used as a one-time message authentication code to authenticate a single message using a secret key shared between sender and recipient,
similar to the way that a one-time pad ... |
https://en.wikipedia.org/wiki/Conway%27s%20Soldiers | Conway's Soldiers or the checker-jumping problem is a one-person mathematical game or puzzle devised and analyzed by mathematician John Horton Conway in 1961. A variant of peg solitaire, it takes place on an infinite checkerboard. The board is divided by a horizontal line that extends indefinitely. Above the line are e... |
https://en.wikipedia.org/wiki/Spacetime%20symmetries | Spacetime symmetries are features of spacetime that can be described as exhibiting some form of symmetry. The role of symmetry in physics is important in simplifying solutions to many problems. Spacetime symmetries are used in the study of exact solutions of Einstein's field equations of general relativity. Spacetime s... |
https://en.wikipedia.org/wiki/Adaptive%20control | Adaptive control is the control method used by a controller which must adapt to a controlled system with parameters which vary, or are initially uncertain.<ref name=CMP-AC-T-01>{{cite journal|author=Chengyu Cao, Lili Ma, Yunjun Xu|title="Adaptive Control Theory and Applications", Journal of Control Science and Engineer... |
https://en.wikipedia.org/wiki/Biological%20Innovation%20for%20Open%20Society | BiOS (Biological Open Source/Biological Innovation for Open Society) is an international initiative to foster innovation and freedom to operate in the biological sciences. BiOS was officially launched on 10 February 2005 by Cambia, an independent, international non-profit organization dedicated to democratizing innovat... |
https://en.wikipedia.org/wiki/Microstrip | Microstrip is a type of electrical transmission line which can be fabricated with any technology where a conductor is separated from a ground plane by a dielectric layer known as "substrate". Microstrip lines are used to convey microwave-frequency signals.
Typical realisation technologies are printed circuit board (... |
https://en.wikipedia.org/wiki/DYSEAC | DYSEAC was the second Standards Electronic Automatic Computer. (See SEAC.)
DYSEAC was a first-generation computer built by the National Bureau of Standards for the U.S. Army Signal Corps. It was housed in a truck, making it one of the first movable computers (perhaps the first). It went into operation in April 1954.
... |
https://en.wikipedia.org/wiki/FR-2 | FR-2 (Flame Resistant 2) is a NEMA designation for synthetic resin bonded paper, a composite material made of paper impregnated with a plasticized phenol formaldehyde resin, used in the manufacture of printed circuit boards. Its main properties are similar to NEMA grade XXXP (MIL-P-3115) material, and can be substitute... |
https://en.wikipedia.org/wiki/MANIAC%20II | The MANIAC II (Mathematical Analyzer Numerical Integrator and Automatic Computer Model II) was a first-generation electronic computer, built in 1957 for use at Los Alamos Scientific Laboratory.
MANIAC II was built by the University of California and the Los Alamos Scientific Laboratory, completed in 1957 as a successo... |
https://en.wikipedia.org/wiki/Multi-channel%20memory%20architecture | In the fields of digital electronics and computer hardware, multi-channel memory architecture is a technology that increases the data transfer rate between the DRAM memory and the memory controller by adding more channels of communication between them. Theoretically, this multiplies the data rate by exactly the number ... |
https://en.wikipedia.org/wiki/Teltron%20tube | A teltron tube (named for Teltron Inc., which is now owned by 3B Scientific Ltd.) is a type of cathode ray tube used to demonstrate the properties of electrons. There were several different types made by Teltron including a diode, a triode, a Maltese Cross tube, a simple deflection tube with a fluorescent screen, and ... |
https://en.wikipedia.org/wiki/Nanodomain | A nanodomain is a nanometer-sized cluster of proteins found in a cell membrane. They are associated with the signal which occurs when a single calcium ion channel opens on a cell membrane, allowing an influx of calcium ions (Ca) which extend in a plume a few tens of nanometres from the channel pore. In a nanodomain, th... |
https://en.wikipedia.org/wiki/Entropic%20force | In physics, an entropic force acting in a system is an emergent phenomenon resulting from the entire system's statistical tendency to increase its entropy, rather than from a particular underlying force on the atomic scale.
Mathematical formulation
In the canonical ensemble, the entropic force associated to a macro... |
https://en.wikipedia.org/wiki/Myology | Myology is the study of the muscular system, including the study of the structure, function and diseases of muscle. The muscular system consists of skeletal muscle, which contracts to move or position parts of the body (e.g., the bones that articulate at joints), smooth and cardiac muscle that propels, expels or contro... |
https://en.wikipedia.org/wiki/Shell%20theorem | In classical mechanics, the shell theorem gives gravitational simplifications that can be applied to objects inside or outside a spherically symmetrical body. This theorem has particular application to astronomy.
Isaac Newton proved the shell theorem and stated that:
A spherically symmetric body affects external obje... |
https://en.wikipedia.org/wiki/Complete%20mixing | In evolutionary game theory, complete mixing refers to an assumption about the type of interactions that occur between individual organisms. Interactions between individuals in a population attains complete mixing if and only if the probably individual x interacts with individual y is equal for all y.
This assumption... |
https://en.wikipedia.org/wiki/Construction%20management | Construction management (CM) is the use of project management techniques and software to oversee the planning, design, construction and closeout of a construction project.
About
Construction management aims to control the quality of a project's scope, time, and cost (sometimes referred to as a project management tria... |
https://en.wikipedia.org/wiki/Jupiter%20project | The Jupiter project was to be a new high-end model of Digital Equipment Corporation (DEC)'s PDP-10 mainframe computers. This project was cancelled in 1983, as the PDP-10 was increasingly eclipsed by the VAX supermini machines (descendants of the PDP-11). DEC recognized then that the PDP-10 and VAX product lines were co... |
https://en.wikipedia.org/wiki/Computer-supported%20collaboration | Computer-supported collaboration research focuses on technology that affects groups, organizations, communities and societies, e.g., voice mail and text chat. It grew from cooperative work study of supporting people's work activities and working relationships. As net technology increasingly supported a wide range of re... |
https://en.wikipedia.org/wiki/Issue%20tracking%20system | An issue tracking system (also ITS, trouble ticket system, support ticket, request management or incident ticket system) is a computer software package that manages and maintains lists of issues. Issue tracking systems are generally used in collaborative settings, especially in large or distributed collaborations, but ... |
https://en.wikipedia.org/wiki/Common%20Locale%20Data%20Repository | The Common Locale Data Repository (CLDR) is a project of the Unicode Consortium to provide locale data in XML format for use in computer applications. CLDR contains locale-specific information that an operating system will typically provide to applications.
CLDR is written in the Locale Data Markup Language (LDML).
De... |
https://en.wikipedia.org/wiki/Variational%20perturbation%20theory | In mathematics, variational perturbation theory (VPT) is a mathematical method to convert divergent power series in a small expansion parameter, say
,
into a convergent series in powers
,
where is a critical exponent (the so-called index of "approach to scaling" introduced by Franz Wegner). This is possible with the h... |
https://en.wikipedia.org/wiki/Pagophagia | Pagophagia (from Greek: pagos, frost/ice, + phagō, to eat) is the compulsive consumption of ice or iced drinks.
It is a form of the disorder known as pica, which in Latin refers to a magpie that eats everything indiscriminately. Its medical definition refers to the persistent consumption of nonnutritive substances for ... |
https://en.wikipedia.org/wiki/Critical%20exponent | Critical exponents describe the behavior of physical quantities near continuous phase transitions. It is believed, though not proven, that they are universal, i.e. they do not depend on the details of the physical system, but only on some of its general features. For instance, for ferromagnetic systems, the critical ex... |
https://en.wikipedia.org/wiki/Minimum%20information%20about%20a%20microarray%20experiment | Minimum information about a microarray experiment (MIAME) is a standard created by the FGED Society for reporting microarray experiments.
MIAME is intended to specify all the information necessary to interpret the results of the experiment unambiguously and to potentially reproduce the experiment. While the standard d... |
https://en.wikipedia.org/wiki/Yamaha%20V9958 | The Yamaha V9958 is a Video Display Processor used in the MSX2+ and MSX turbo R series of home computers, as the successor to the Yamaha V9938 used in the MSX2. The main new features are three graphical YJK modes with up to 19268 colors and horizontal scrolling registers. The V9958 was not as widely adopted as the V993... |
https://en.wikipedia.org/wiki/Yamaha%20V9938 | The Yamaha V9938 is a video display processor (VDP) used on the MSX2 home computer, as well as on the Geneve 9640 enhanced TI-99/4A clone and the Tatung Einstein 256. It was also used in a few MSX1 computers, in a configuration with 16kB VRAM.
The Yamaha V9938, also known as MSX-Video or VDP (Video Display Processor),... |
https://en.wikipedia.org/wiki/Hardware%20acceleration | Hardware acceleration is the use of computer hardware designed to perform specific functions more efficiently when compared to software running on a general-purpose central processing unit (CPU). Any transformation of data that can be calculated in software running on a generic CPU can also be calculated in custom-made... |
https://en.wikipedia.org/wiki/Schanuel%27s%20conjecture | In mathematics, specifically transcendental number theory, Schanuel's conjecture is a conjecture made by Stephen Schanuel in the 1960s concerning the transcendence degree of certain field extensions of the rational numbers.
Statement
The conjecture is as follows:
Given any complex numbers that are linearly indepen... |
https://en.wikipedia.org/wiki/Footprinting | Footprinting (also known as reconnaissance) is the technique used for gathering information about computer systems and the entities they belong to. To get this information, a hacker might use various tools and technologies. This information is very useful to a hacker who is trying to crack a whole system.
When used in... |
https://en.wikipedia.org/wiki/Affinity%20maturation | In immunology, affinity maturation is the process by which TFH cell-activated B cells produce antibodies with increased affinity for antigen during the course of an immune response. With repeated exposures to the same antigen, a host will produce antibodies of successively greater affinities. A secondary response can ... |
https://en.wikipedia.org/wiki/Multibus | Multibus is a computer bus standard used in industrial systems. It was developed by Intel Corporation and was adopted as the IEEE 796 bus.
The Multibus specification was important because it was a robust industry standard with a relatively large form factor, allowing complex devices to be designed on it. Because it wa... |
https://en.wikipedia.org/wiki/Reed%E2%80%93Muller%20code | Reed–Muller codes are error-correcting codes that are used in wireless communications applications, particularly in deep-space communication. Moreover, the proposed 5G standard relies on the closely related polar codes for error correction in the control channel. Due to their favorable theoretical and mathematical prop... |
https://en.wikipedia.org/wiki/KASW | KASW (channel 61) is a television station in Phoenix, Arizona, United States, affiliated with The CW. It is owned by the E. W. Scripps Company alongside ABC affiliate KNXV-TV (channel 15). Both stations share studios on North 44th Street on the city's east side, while KASW's primary transmitter is located on South Moun... |
https://en.wikipedia.org/wiki/Painlev%C3%A9%20transcendents | In mathematics, Painlevé transcendents are solutions to certain nonlinear second-order ordinary differential equations in the complex plane with the Painlevé property (the only movable singularities are poles), but which are not generally solvable in terms of elementary functions. They were discovered by
,
,
, and
.
H... |
https://en.wikipedia.org/wiki/Quantitative%20feedback%20theory | In control theory, quantitative feedback theory (QFT), developed by Isaac Horowitz (Horowitz, 1963; Horowitz and Sidi, 1972), is a frequency domain technique utilising the Nichols chart (NC) in order to achieve a desired robust design over a specified region of plant uncertainty. Desired time-domain responses are trans... |
https://en.wikipedia.org/wiki/Back-and-forth%20method | In mathematical logic, especially set theory and model theory, the back-and-forth method is a method for showing isomorphism between countably infinite structures satisfying specified conditions. In particular it can be used to prove that
any two countably infinite densely ordered sets (i.e., linearly ordered in such... |
https://en.wikipedia.org/wiki/Intel740 | The Intel740, or i740 (codenamed Auburn), is a 350 nm graphics processing unit using an AGP interface released by Intel on February 12, 1998. Intel was hoping to use the i740 to popularize the Accelerated Graphics Port, while most graphics vendors were still using PCI. Released to enormous fanfare, the i740 proved to h... |
https://en.wikipedia.org/wiki/Covering%20set | In mathematics, a covering set for a sequence of integers refers to a set of prime numbers such that every term in the sequence is divisible by at least one member of the set. The term "covering set" is used only in conjunction with sequences possessing exponential growth.
Sierpinski and Riesel numbers
The use of the... |
https://en.wikipedia.org/wiki/154%20%28number%29 | 154 (one hundred [and] fifty-four) is the natural number following 153 and preceding 155.
In mathematics
154 is a nonagonal number. Its factorization makes 154 a sphenic number
There is no integer with exactly 154 coprimes below it, making 154 a noncototient, nor is there, in base 10, any integer that added up to its... |
https://en.wikipedia.org/wiki/Clark%E2%80%93Wilson%20model | The Clark–Wilson integrity model provides a foundation for specifying and analyzing an integrity policy for a computing system.
The model is primarily concerned with formalizing the notion of information integrity. Information integrity is maintained by preventing corruption of data items in a system due to either err... |
https://en.wikipedia.org/wiki/Battery%20pack | A battery pack is a set of any number of (preferably) identical batteries or individual battery cells. They may be configured in a series, parallel or a mixture of both to deliver the desired voltage, capacity, or power density. The term battery pack is often used in reference to cordless tools, radio-controlled hobby ... |
https://en.wikipedia.org/wiki/Animal%20science | Animal science is described as "studying the biology of animals that are under the control of humankind". It can also be described as the production and management of farm animals. Historically, the degree was called animal husbandry and the animals studied were livestock species, like cattle, sheep, pigs, poultry, and... |
https://en.wikipedia.org/wiki/Neurochip | A neurochip is an integrated circuit chip (such as a microprocessor) that is designed for interaction with neuronal cells.
Formation
It is made of silicon that is doped in such a way that it contains EOSFETs (electrolyte-oxide-semiconductor field-effect transistors) that can sense the electrical activity of the neur... |
https://en.wikipedia.org/wiki/EOSFET | An EOSFET or electrolyte–oxide–semiconductor field-effect transistor is a FET, like a MOSFET, but with an electrolyte solution replacing the metal for the detection of neuronal activity. Many EOSFETs are integrated in a neurochip.
Electrochemistry
Sensors
Transistor types
MOSFETs
Field-effect transistors |
https://en.wikipedia.org/wiki/Gibbs%27%20inequality | In information theory, Gibbs' inequality is a statement about the information entropy of a discrete probability distribution. Several other bounds on the entropy of probability distributions are derived from Gibbs' inequality, including Fano's inequality.
It was first presented by J. Willard Gibbs in the 19th century.
... |
https://en.wikipedia.org/wiki/Paper%20bag%20problem | In geometry, the paper bag problem or teabag problem is to calculate the maximum possible inflated volume of an initially flat sealed rectangular bag which has the same shape as a cushion or pillow, made out of two pieces of material which can bend but not stretch.
According to Anthony C. Robin, an approximate formula... |
https://en.wikipedia.org/wiki/GeForce%207%20series | The GeForce 7 series is the seventh generation of Nvidia's GeForce graphics processing units. This was the last series available on AGP cards.
A slightly modified GeForce 7-based card (more specifically based on the 7800GTX) is present as the RSX Reality Synthesizer, which is present on the PlayStation 3.
Features
Th... |
https://en.wikipedia.org/wiki/Solaris%20Volume%20Manager | Solaris Volume Manager (SVM; formerly known as Online: DiskSuite, and later Solstice DiskSuite) is a software package for creating, modifying and controlling RAID-0 (concatenation and stripe) volumes, RAID-1 (mirror) volumes, RAID 0+1 volumes, RAID 1+0 volumes, RAID-5 volumes, and soft partitions.
Version 1.0 of Onlin... |
https://en.wikipedia.org/wiki/Bar%20product | In information theory, the bar product of two linear codes C2 ⊆ C1 is defined as
where (a | b) denotes the concatenation of a and b. If the code words in C1 are of length n, then the code words in C1 | C2 are of length 2n.
The bar product is an especially convenient way of expressing the Reed–Muller RM (d, r) code in... |
https://en.wikipedia.org/wiki/Hydrogen-terminated%20silicon%20surface | Hydrogen-terminated silicon surface is a chemically passivated silicon substrate where the surface Si atoms are bonded to hydrogen. The hydrogen-terminated surfaces are hydrophobic, luminescent, and amenable to chemical modification. Hydrogen-terminated silicon is an intermediate in the growth of bulk silicon from si... |
https://en.wikipedia.org/wiki/ISFET | An ion-sensitive field-effect transistor (ISFET) is a field-effect transistor used for measuring ion concentrations in solution; when the ion concentration (such as H+, see pH scale) changes, the current through the transistor will change accordingly. Here, the solution is used as the gate electrode. A voltage between ... |
https://en.wikipedia.org/wiki/Concurrent%20ML | Concurrent ML (CML) is a concurrent extension of the Standard ML programming language characterized by its ability to allow programmers to create composable communication abstractions that are first-class rather than built into the language. The design of CML and its primitive operations have been adopted in several ot... |
https://en.wikipedia.org/wiki/Geodesics%20in%20general%20relativity | In general relativity, a geodesic generalizes the notion of a "straight line" to curved spacetime. Importantly, the world line of a particle free from all external, non-gravitational forces is a particular type of geodesic. In other words, a freely moving or falling particle always moves along a geodesic.
In general r... |
https://en.wikipedia.org/wiki/Fabric%20Shortest%20Path%20First | Fabric Shortest Path First (FSPF) is a routing protocol used in Fibre Channel computer networks. It calculates the best path between network switches, establishes routes across the fabric and calculates alternate routes in event of a failure or network topology change. FSPF can guarantee in-sequence delivery of frames,... |
https://en.wikipedia.org/wiki/Lazy%20caterer%27s%20sequence | The lazy caterer's sequence, more formally known as the central polygonal numbers, describes the maximum number of pieces of a disk (a pancake or pizza is usually used to describe the situation) that can be made with a given number of straight cuts. For example, three cuts across a pancake will produce six pieces if th... |
https://en.wikipedia.org/wiki/Website%20builder | Website builders are tools that typically allow the construction of websites without manual code editing. They fall into two categories:
Online proprietary tools provided by web hosting service companies. These are typically intended for service users to build their own website. Some services allow the site owner to ... |
https://en.wikipedia.org/wiki/Theoretical%20astronomy | Theoretical astronomy is the use of analytical and computational models based on principles from physics and chemistry to describe and explain astronomical objects and astronomical phenomena. Theorists in astronomy endeavor to create theoretical models and from the results predict observational consequences of those mo... |
https://en.wikipedia.org/wiki/ECMWF%20re-analysis | The ECMWF reanalysis project is a meteorological reanalysis project carried out by the European Centre for Medium-Range Weather Forecasts (ECMWF).
The first reanalysis product, ERA-15, generated reanalyses for approximately 15 years, from December 1978 to February 1994. The second product, ERA-40 (originally intended ... |
https://en.wikipedia.org/wiki/Ensembl%20genome%20database%20project | Ensembl genome database project is a scientific project at the European Bioinformatics Institute, which provides a centralized resource for geneticists, molecular biologists and other researchers studying the genomes of our own species and other vertebrates and model organisms. Ensembl is one of several well known geno... |
https://en.wikipedia.org/wiki/Danger%20zone%20%28food%20safety%29 | The danger zone is the temperature range in which food-borne bacteria can grow. Food safety agencies, such as the United States' Food Safety and Inspection Service (FSIS), define the danger zone as roughly . The FSIS stipulates that potentially hazardous food should not be stored at temperatures in this range in order... |
https://en.wikipedia.org/wiki/Cassini%20oval | In geometry, a Cassini oval is a quartic plane curve defined as the locus of points in the plane such that the product of the distances to two fixed points (foci) is constant. This may be contrasted with an ellipse, for which the sum of the distances is constant, rather than the product. Cassini ovals are the special c... |
https://en.wikipedia.org/wiki/Social%20networking%20service | A social networking service or SNS (sometimes called a social networking site) is a type of online social media platform which people use to build social networks or social relationships with other people who share similar personal or career content, interests, activities, backgrounds or real-life connections.
Social ... |
https://en.wikipedia.org/wiki/A%20System%20of%20Logic | A System of Logic, Ratiocinative and Inductive is an 1843 book by English philosopher John Stuart Mill.
Overview
In this work, he formulated the five principles of inductive reasoning that are known as Mill's Methods. This work is important in the philosophy of science, and more generally, insofar as it outlines the e... |
https://en.wikipedia.org/wiki/VCR/DVD%20combo | A VCR/DVD combination, VCR/DVD combo, or DVD/VCR combo, is a multiplex or converged device that allows the ability to watch both VHS tapes and DVDs. Many such players can also play additional formats such as CD and VCD.
VCR/DVD player combinations were first introduced around the year 1999, with the first model relea... |
https://en.wikipedia.org/wiki/ED50 | ED50 ("European Datum 1950", EPSG:4230) is a geodetic datum which was defined after World War II for the international connection of geodetic networks.
Background
Some of the important battles of World War II were fought on the borders of Germany, the Netherlands, Belgium and France, and the mapping of these countrie... |
https://en.wikipedia.org/wiki/List%20of%20Microsoft%20operating%20systems | This is a list of Microsoft written and published operating systems. For the codenames that Microsoft gave their operating systems, see Microsoft codenames. For another list of versions of Microsoft Windows, see, List of Microsoft Windows versions.
MS-DOS
See MS-DOS Versions for a full list.
Windows
Windows 1.0 unt... |
https://en.wikipedia.org/wiki/List%20of%20Microsoft%20software | Microsoft is a developer of personal computer software. It is best known for its Windows operating system, the Internet Explorer and subsequent Microsoft Edge web browsers, the Microsoft Office family of productivity software plus services, and the Visual Studio IDE. The company also publishes books (through Microsoft ... |
https://en.wikipedia.org/wiki/Geodetic%20control%20network | A geodetic control network (also geodetic network, reference network, control point network, or control network) is a network, often of triangles, which are measured precisely by techniques of control surveying, such as terrestrial surveying or satellite geodesy.
A geodetic control network consists of stable, identifi... |
https://en.wikipedia.org/wiki/Geodetic%20astronomy | Geodetic astronomy or astronomical geodesy (astro-geodesy) is the application of astronomical methods into geodetic networks and other technical projects of geodesy.
Applications
The most important applications are:
Establishment of geodetic datum systems (e.g. ED50) or at expeditions
apparent places of stars, and t... |
https://en.wikipedia.org/wiki/Circuit-level%20gateway | A circuit-level gateway is a type of firewall.
Circuit-level gateways work at the session layer of the OSI model, or as a "shim-layer" between the application layer and the transport layer of the TCP/IP stack. They monitor TCP handshaking between packets to determine whether a requested session is legitimate. Informat... |
https://en.wikipedia.org/wiki/Flattening | Flattening is a measure of the compression of a circle or sphere along a diameter to form an ellipse or an ellipsoid of revolution (spheroid) respectively. Other terms used are ellipticity, or oblateness. The usual notation for flattening is and its definition in terms of the semi-axes and of the resulting ellipse o... |
https://en.wikipedia.org/wiki/Zenith%20camera | A zenith camera is an astrogeodetic telescope used today primarily for the local surveys of Earth's gravity field. Zenith cameras are designed as transportable field instruments for the direct observation of the plumb line (astronomical latitude and longitude) and vertical deflections.
Instrument
A zenith camera com... |
https://en.wikipedia.org/wiki/Apparent%20place | The apparent place of an object is its position in space as seen by an observer. Because of physical and geometrical effects it may differ from the "true" or "geometric" position.
Astronomy
In astronomy, a distinction is made between the mean position, apparent position and topocentric position of an object.
Positi... |
https://en.wikipedia.org/wiki/Pkg-config | pkg-config is a computer program that defines and supports a unified interface for querying installed libraries for the purpose of compiling software that depends on them. It allows programmers and installation scripts to work without explicit knowledge of detailed library path information. pkg-config was originally d... |
https://en.wikipedia.org/wiki/Radio%20masts%20and%20towers | Radio masts and towers are typically tall structures designed to support antennas for telecommunications and broadcasting, including television. There are two main types: guyed and self-supporting structures. They are among the tallest human-made structures. Masts are often named after the broadcasting organizations th... |
https://en.wikipedia.org/wiki/Mast%20radiator | A mast radiator (or radiating tower) is a radio mast or tower in which the metal structure itself is energized and functions as an antenna. This design, first used widely in the 1930s, is commonly used for transmitting antennas operating at low frequencies, in the LF and MF bands, in particular those used for AM radio ... |
https://en.wikipedia.org/wiki/DOS%20Plus | DOS Plus (erroneously also known as DOS+) was the first operating system developed by Digital Research's OEM Support Group in Newbury, Berkshire, UK, first released in 1985. DOS Plus 1.0 was based on CP/M-86 Plus combined with the PCMODE emulator from Concurrent PC DOS 4.11. While CP/M-86 Plus and Concurrent DOS 4.1 st... |
https://en.wikipedia.org/wiki/DECUS | The Digital Equipment Computer Users' Society (DECUS) was an independent computer user group related to Digital Equipment Corporation (DEC). The Connect User Group Community, formed from the consolidation in May, 2008 of DECUS, Encompass, HP-Interex, and ITUG is the Hewlett-Packard’s largest user community, representin... |
https://en.wikipedia.org/wiki/Nuclear%20cross%20section | The nuclear cross section of a nucleus is used to describe the probability that a nuclear reaction will occur. The concept of a nuclear cross section can be quantified physically in terms of "characteristic area" where a larger area means a larger probability of interaction. The standard unit for measuring a nuclear... |
https://en.wikipedia.org/wiki/QUICC | The QUICC (Quad Integrated Communications Controller) was a Motorola 68k -based microcontroller made by Freescale Semiconductor, targeted at the telecommunications market. It lends its name to a family of successor chips called PowerQUICC.
History
The original QUICC was the Motorola 68360 (MC68360), based on the MC68... |
https://en.wikipedia.org/wiki/Segre%20classification | The Segre classification is an algebraic classification of rank two symmetric tensors. The resulting types are then known as Segre types. It is most commonly applied to the energy–momentum tensor (or the Ricci tensor) and primarily finds application in the classification of exact solutions in general relativity.
See a... |
https://en.wikipedia.org/wiki/Cataclysmic%20pole%20shift%20hypothesis | The cataclysmic pole shift hypothesis is a pseudo-scientific claim that there have been recent, geologically rapid shifts in the axis of rotation of Earth, causing calamities such as floods and tectonic events or relatively rapid climate changes.
There is evidence of precession and changes in axial tilt, but this chan... |
https://en.wikipedia.org/wiki/Immunophenotyping | Immunophenotyping is a technique used to study the protein expressed by cells. This technique is commonly used in basic science research and laboratory diagnostic purpose. This can be done on tissue section (fresh or fixed tissue), cell suspension, etc. An example is the detection of tumor markers, such as in the dia... |
https://en.wikipedia.org/wiki/Video%20BIOS | Video BIOS is the BIOS of a graphics card in a (usually IBM PC-derived) computer. It initializes the graphics card at the computer's boot time. It also implements INT 10h interrupt and VESA BIOS Extensions (VBE) for basic text and videomode output before a specific video driver is loaded. In UEFI 2.x systems, the INT 1... |
https://en.wikipedia.org/wiki/Chaff%20algorithm | Chaff is an algorithm for solving instances of the Boolean satisfiability problem in programming. It was designed by researchers at Princeton University. The algorithm is an instance of the DPLL algorithm with a number of enhancements for efficient implementation.
Implementations
Some available implementations of th... |
https://en.wikipedia.org/wiki/Sulcus%20%28morphology%29 | In biological morphology and anatomy, a sulcus (: sulci) is a furrow or fissure (Latin fissura, : fissurae). It may be a groove, natural division, deep furrow, elongated cleft, or tear in the surface of a limb or an organ, most notably on the surface of the brain, but also in the lungs, certain muscles (including the ... |
https://en.wikipedia.org/wiki/Holographic%20Versatile%20Card | The Holographic Versatile Card (HVC) was a proposed data storage format by Optware; the projected date for a Japanese launch had been the first half of 2007, pending finalization of the specification, however as of March 2022, nothing has yet surfaced. One of its main advantages compared with discs was supposed to be t... |
https://en.wikipedia.org/wiki/Coincidence%20point | In mathematics, a coincidence point (or simply coincidence) of two functions is a point in their common domain having the same image.
Formally, given two functions
we say that a point x in X is a coincidence point of f and g if f(x) = g(x).
Coincidence theory (the study of coincidence points) is, in most settings, a... |
https://en.wikipedia.org/wiki/El-Fish | El-Fish is a fish and fish-tank simulator and software toy developed by Russian game developer AnimaTek, with Maxis providing development advice. The game was published by Mindscape (v1.1) and later by Maxis (v1.1 + v1.2) in 1993 on 5 diskettes.
Each fish in El-Fish has a unique Roe, similar to the genome. This allows... |
https://en.wikipedia.org/wiki/RAD750 | The RAD750 is a radiation-hardened single-board computer manufactured by BAE Systems Electronics, Intelligence & Support. The successor of the RAD6000, the RAD750 is for use in high-radiation environments experienced on board satellites and spacecraft. The RAD750 was released in 2001, with the first units launched int... |
https://en.wikipedia.org/wiki/389%20Directory%20Server | The 389 Directory Server (previously Fedora Directory Server) is a Lightweight Directory Access Protocol (LDAP) server developed by Red Hat as part of the community-supported Fedora Project. The name "389" derives from the port number used by LDAP.
389 Directory Server supports many operating systems, including Fedor... |
https://en.wikipedia.org/wiki/Emote | An emote is an entry in a text-based chat client that indicates an action taking place. Unlike emoticons, they are not text art, and instead describe the action using words or images (similar to emoji).
Emotes were created by Shigetaka Kurita in Japan, whose original idea was to create a way of communication using pi... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.