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https://en.wikipedia.org/wiki/Chua%27s%20circuit | Chua's circuit (also known as a Chua circuit) is a simple electronic circuit that exhibits classic chaotic behavior. This means roughly that it is a "nonperiodic oscillator"; it produces an oscillating waveform that, unlike an ordinary electronic oscillator, never "repeats". It was invented in 1983 by Leon O. Chua, who... |
https://en.wikipedia.org/wiki/NCR%205380 | The NCR 5380 is an early SCSI controller chip developed by NCR Microelectronics. It was popular due to its simplicity and low cost. The 5380 was used in the Macintosh Plus and in numerous SCSI cards for personal computers, including the Amiga and Atari TT. The 5380 was second sourced by several chip makers, including A... |
https://en.wikipedia.org/wiki/DataPlay | DataPlay is an optical disc system developed by DataPlay Inc. and released to the consumer market in 2002. Using very small (32mm diameter) disks enclosed in a protective cartridge storing 250MB per side, DataPlay was intended primarily for portable music playback, although it could also store other types of data, usin... |
https://en.wikipedia.org/wiki/Wireless%20Router%20Application%20Platform | The Wireless Router Application Platform (WRAP) is a format of single board computer defined by Swiss company PC Engines. This is specially designed for wireless router, firewall, load balancer, VPN or other network appliances.
Basic specs
32-bit x86 compatible CPU, low energy consumption (AMD Geode SC1100 at 266 MH... |
https://en.wikipedia.org/wiki/Kiesselbach%27s%20plexus | Kiesselbach's plexus is an anastomotic arterial network (plexus) of four or five arteries in the nose supplying the nasal septum. It lies in the anterior inferior part of the septum known as Little's area, Kiesselbach's area, or Kiesselbach's triangle. It is a common site for nosebleeds.
Structure
Kiesselbach's plexu... |
https://en.wikipedia.org/wiki/Unit%20type | In the area of mathematical logic and computer science known as type theory, a unit type is a type that allows only one value (and thus can hold no information). The carrier (underlying set) associated with a unit type can be any singleton set. There is an isomorphism between any two such sets, so it is customary to ta... |
https://en.wikipedia.org/wiki/Ground%20substance | Ground substance is an amorphous gel-like substance in the extracellular space of animals that contains all components of the extracellular matrix (ECM) except for fibrous materials such as collagen and elastin. Ground substance is active in the development, movement, and proliferation of tissues, as well as their meta... |
https://en.wikipedia.org/wiki/Traffic%20mix | Traffic mix is a traffic model in telecommunication engineering and teletraffic theory.
Definitions
A traffic mix is a modelisation of user behaviour. In telecommunications, user behaviour activities may be described by a number of systems, ranging from simple to complex. For example, for plain old telephone service (... |
https://en.wikipedia.org/wiki/Type%20class | In computer science, a type class is a type system construct that supports ad hoc polymorphism. This is achieved by adding constraints to type variables in parametrically polymorphic types. Such a constraint typically involves a type class T and a type variable a, and means that a can only be instantiated to a type who... |
https://en.wikipedia.org/wiki/Rigid%20frame | In structural engineering, a rigid frame is the load-resisting skeleton constructed with straight or curved members interconnected by mostly rigid connections, which resist movements induced at the joints of members. Its members can take bending moment, shear, and axial loads.
The two common assumptions as to the beha... |
https://en.wikipedia.org/wiki/Allogamy | Allogamy or cross-fertilization is the fertilization of an ovum from one individual with the spermatozoa of another. By contrast, autogamy is the term used for self-fertilization. In humans, the fertilization event is an instance of allogamy. Self-fertilization occurs in hermaphroditic organisms where the two gametes f... |
https://en.wikipedia.org/wiki/Quasi-quotation | Quasi-quotation or Quine quotation is a linguistic device in formal languages that facilitates rigorous and terse formulation of general rules about linguistic expressions while properly observing the use–mention distinction. It was introduced by the philosopher and logician Willard Van Orman Quine in his book Mathema... |
https://en.wikipedia.org/wiki/Audacious%20%28software%29 | Audacious is a free and open-source audio player software with a focus on low resource use, high audio quality, and support for a wide range of audio formats. It is designed primarily for use on POSIX-compatible Unix-like operating systems, with limited support for Microsoft Windows. Audacious was the default audio pla... |
https://en.wikipedia.org/wiki/OpenBSD%20security%20features | The OpenBSD operating system focuses on security and the development of security features. According to author Michael W. Lucas, OpenBSD "is widely regarded as the most secure operating system available anywhere, under any licensing terms."
API and build changes
Bugs and security flaws are often caused by programmer ... |
https://en.wikipedia.org/wiki/List%20of%20biology%20journals | This is a list of articles about scientific journals in biology and its various subfields.
General
Agriculture
Bulgarian Journal of Agricultural Science
EuroChoices
Journal of Animal Science
Journal of Dairy Science
Journal of Food Science
Poultry Science
Animal Feed Science and Technology
Journal of Animal Breeding ... |
https://en.wikipedia.org/wiki/David%20Eisenbud | David Eisenbud (born 8 April 1947 in New York City) is an American mathematician. He is a professor of mathematics at the University of California, Berkeley and former director of the then Mathematical Sciences Research Institute (MSRI), now known as Simons Laufer Mathematical Sciences Institute (SLMath). He served as... |
https://en.wikipedia.org/wiki/Neighbour-sensing%20model | The Neighbour-Sensing mathematical model of hyphal growth is a set of interactive computer models that simulate the way fungi hyphae grow in three-dimensional space. The three-dimensional simulation is an experimental tool which can be used to study the morphogenesis of fungal hyphal networks.
The modelling process s... |
https://en.wikipedia.org/wiki/James%20S.%20McDonnell%20Foundation | The James S. McDonnell Foundation was founded in 1950 by aerospace pioneer James S. McDonnell. It was established to "improve the quality of life," and does so by contributing to the generation of new knowledge through its support of research and scholarship. Originally called the McDonnell Foundation, the organization... |
https://en.wikipedia.org/wiki/S%20phase%20index | S-phase index (SPI), is a measure of cell growth and viability, especially the capacity of tumor cells to proliferate. It is defined as the number of BrdU-incorporating cells relative to the volume of DNA staining determined from whole mount confocal analyses.
Only cells in the S phase will incorporate BrdU into their... |
https://en.wikipedia.org/wiki/Blagger%20%28video%20game%29 | Blagger is a platform game created by Antony Crowther for the Commodore 64 and released by Alligata in 1983. A BBC Micro port was released the same year, Acorn Electron, Amstrad CPC (through Amsoft) and MSX in 1984, Commodore 16 and Plus/4 in 1985 and Amstrad PCW in 1987. In some countries this game was released under ... |
https://en.wikipedia.org/wiki/Program%20temporary%20fix | In IBM terminology, a Program temporary fix or Product temporary fix (PTF), sometimes depending on date, is a single bug fix, or group of fixes, distributed in a form ready to install for customers.
A PTF normally follows an APAR (Authorized Program Analysis Report), and where an "APAR fix" was issued, the PTF "is a t... |
https://en.wikipedia.org/wiki/Aeronautical%20Message%20Handling%20System | Air Traffic Services Message Handling Services (AMHS) is a standard for aeronautical ground-ground communications (e.g. for the transmission of NOTAM, Flight Plans or Meteorological Data) based on X.400 profiles. It has been defined by the ICAO.
Levels of service
ICAO Doc 9880 Part II defines two fundamental levels o... |
https://en.wikipedia.org/wiki/Linear%20stability | In mathematics, in the theory of differential equations and dynamical systems, a particular stationary or quasistationary solution to a nonlinear system is called linearly unstable if the linearization of the equation at this solution has the form , where r is the perturbation to the steady state, A is a linear operato... |
https://en.wikipedia.org/wiki/Quasi-isomorphism | In homological algebra, a branch of mathematics, a quasi-isomorphism or quism is a morphism A → B of chain complexes (respectively, cochain complexes) such that the induced morphisms
of homology groups (respectively, of cohomology groups) are isomorphisms for all n.
In the theory of model categories, quasi-isomorphis... |
https://en.wikipedia.org/wiki/Vortex-induced%20vibration | In fluid dynamics, vortex-induced vibrations (VIV) are motions induced on bodies interacting with an external fluid flow, produced by, or the motion producing, periodic irregularities on this flow.
A classic example is the VIV of an underwater cylinder. How this happens can be seen by putting a cylinder into the water... |
https://en.wikipedia.org/wiki/Nuclear%20magnetic%20resonance%20spectroscopy%20of%20proteins | Nuclear magnetic resonance spectroscopy of proteins (usually abbreviated protein NMR) is a field of structural biology in which NMR spectroscopy is used to obtain information about the structure and dynamics of proteins, and also nucleic acids, and their complexes. The field was pioneered by Richard R. Ernst and Kurt W... |
https://en.wikipedia.org/wiki/H-bridge | An H-bridge is an electronic circuit that switches the polarity of a voltage applied to a load. These circuits are often used in robotics and other applications to allow DC motors to run forwards or backwards. The name is derived from its common schematic diagram representation, with four switching elements configured ... |
https://en.wikipedia.org/wiki/Solid-state%20electronics | Solid-state electronics are semiconductor electronics: electronic equipment that use semiconductor devices such as transistors, diodes and integrated circuits (ICs). The term is also used as an adjective for devices in which semiconductor electronics that have no moving parts replace devices with moving parts, such as... |
https://en.wikipedia.org/wiki/Screw%20axis | A screw axis (helical axis or twist axis) is a line that is simultaneously the axis of rotation and the line along which translation of a body occurs. Chasles' theorem shows that each Euclidean displacement in three-dimensional space has a screw axis, and the displacement can be decomposed into a rotation about and a s... |
https://en.wikipedia.org/wiki/Event%20%28UML%29 | An event in the Unified Modeling Language (UML) is a notable occurrence at a particular point in time.
Events can, but do not necessarily, cause state transitions from one state to another in state machines represented by state machine diagrams.
A transition between states occurs only when any guard condition for th... |
https://en.wikipedia.org/wiki/Memory%20organisation | There are several ways to organise memories with respect to the way they are connected to the cache:
one-word-wide memory organisation
wide memory organisation
interleaved memory organisation
independent memory organisation
One-Word-Wide
The memory is one word wide and connected via a one word wide bus to the cac... |
https://en.wikipedia.org/wiki/Phylogenetic%20network | A phylogenetic network is any graph used to visualize evolutionary relationships (either abstractly or explicitly) between nucleotide sequences, genes, chromosomes, genomes, or species. They are employed when reticulation events such as hybridization, horizontal gene transfer, recombination, or gene duplication and lo... |
https://en.wikipedia.org/wiki/Island%20gigantism | Island gigantism, or insular gigantism, is a biological phenomenon in which the size of an animal species isolated on an island increases dramatically in comparison to its mainland relatives. Island gigantism is one aspect of the more general "island effect" or "Foster's rule", which posits that when mainland animals c... |
https://en.wikipedia.org/wiki/Families%20of%20Structurally%20Similar%20Proteins%20database | Families of Structurally Similar Proteins or FSSP is a database of structurally superimposed proteins generated using the "Distance-matrix ALIgnment" (DALI) algorithm.The database currently contains an extended structural family for each of 330 representative protein chains. Each data set contains structural alignments... |
https://en.wikipedia.org/wiki/A/ROSE | A/ROSE (the Apple Real-time Operating System Environment) is a small embedded operating system that runs on Apple Computer's "Macintosh Coprocessor Platform", an expansion card for the Apple Macintosh.
The idea was to offer a single "overdesigned" hardware platform on which third party vendors could build practically ... |
https://en.wikipedia.org/wiki/Coefficient%20of%20restitution | The coefficient of restitution (COR, also denoted by e), is the ratio of the final to initial relative speed between two objects after they collide. It normally ranges from 0 to 1 where 1 would be a perfectly elastic collision. A perfectly inelastic collision has a coefficient of 0, but a 0 value does not have to be p... |
https://en.wikipedia.org/wiki/Machine%20olfaction | Machine olfaction is the automated simulation of the sense of smell. An emerging application in modern engineering, it involves the use of robots or other automated systems to analyze air-borne chemicals. Such an apparatus is often called an electronic nose or e-nose. The development of machine olfaction is complicate... |
https://en.wikipedia.org/wiki/Rankine%20body | The Rankine body, discovered by Scottish physicist and engineer Macquorn Rankine, is a feature of naval architecture involving the flow of liquid around a body/surface.
In fluid mechanics, a fluid flow pattern formed by combining a uniform stream with a source and a sink of equal strengths, with the line joining the s... |
https://en.wikipedia.org/wiki/Rankine%27s%20method | Rankine's method or tangential angle method is an angular technique for laying out circular curves by a combination of chaining and angles at circumference, fully exploiting the theodolite and making a substantial improvement in accuracy and productivity over existing methods. This method requires access to only one ro... |
https://en.wikipedia.org/wiki/Pfam | Pfam is a database of protein families that includes their annotations and multiple sequence alignments generated using hidden Markov models. The most recent version, Pfam 35.0, was released in November 2021 and contains 19,632 families.
Uses
The general purpose of the Pfam database is to provide a complete and accura... |
https://en.wikipedia.org/wiki/Cross-multiplication | In mathematics, specifically in elementary arithmetic and elementary algebra, given an equation between two fractions or rational expressions, one can cross-multiply to simplify the equation or determine the value of a variable.
The method is also occasionally known as the "cross your heart" method because lines resem... |
https://en.wikipedia.org/wiki/Genome%20Valley | Genome Valley is an Indian high-technology business district spread across /(3.1 sq mi) in Hyderabad, India. It is located across the suburbs, Turakapally, Shamirpet, Medchal, Uppal, Patancheru, Jeedimetla, Gachibowli and Keesara. The Genome Valley has developed as a cluster for Biomedical research, training and manufa... |
https://en.wikipedia.org/wiki/Software%20industry%20in%20Telangana | The Indian state of Telangana has a significant amount of software export in India. While the majority of the industry is concentrated in Hyderabad, other cities are also becoming significant IT destinations in the state. Hyderabad houses the largest campuses of tech giants like Google, Facebook, Microsoft, Amazon, an... |
https://en.wikipedia.org/wiki/Jean-Yves%20B%C3%A9ziau | Jean-Yves Beziau (; born January 15, 1965, in Orléans, France is a Swiss Professor in logic at the University of Brazil, Rio de Janeiro, and Researcher of the Brazilian Research Council. He is permanent member and former president of the Brazilian Academy of Philosophy. Before going to Brazil, he was Professor of the S... |
https://en.wikipedia.org/wiki/Principle%20of%20minimum%20energy | The principle of minimum energy is essentially a restatement of the second law of thermodynamics. It states that for a closed system, with constant external parameters and entropy, the internal energy will decrease and approach a minimum value at equilibrium. External parameters generally means the volume, but may in... |
https://en.wikipedia.org/wiki/Polyconic%20projection%20class | Polyconic can refer either to a class of map projections or to a specific projection known less ambiguously as the American polyconic projection. Polyconic as a class refers to those projections whose parallels are all non-concentric circular arcs, except for a straight equator, and the centers of these circles lie alo... |
https://en.wikipedia.org/wiki/HNCA%20experiment | HNCA is a 3D triple-resonance NMR experiment commonly used in the field of protein NMR. The name derives from the experiment's magnetization transfer pathway: The magnetization of the amide proton of an amino acid residue is transferred to the amide nitrogen, and then to the alpha carbons of both the starting residue a... |
https://en.wikipedia.org/wiki/HNCOCA%20experiment | HNCOCA is a 3D triple-resonance NMR experiment commonly used in the field of protein NMR. The name derives from the experiment's magnetization transfer pathway: The magnetization of the amide proton of an amino acid residue is transferred to the amide nitrogen, and then to the alpha carbon of the previous residue in th... |
https://en.wikipedia.org/wiki/Set-theoretic%20topology | In mathematics, set-theoretic topology is a subject that combines set theory and general topology. It focuses on topological questions that are independent of Zermelo–Fraenkel set theory (ZFC).
Objects studied in set-theoretic topology
Dowker spaces
In the mathematical field of general topology, a Dowker space is a ... |
https://en.wikipedia.org/wiki/True%20north | True north (also called geodetic north or geographic north) is the direction along Earth's surface towards the place where the imaginary rotational axis of the Earth intersects the surface of the Earth. That place is called the True North Pole. True south is the direction opposite to the true north. North per se is one... |
https://en.wikipedia.org/wiki/Zweikanalton | Zweikanalton ("two-channel sound") or A2 Stereo, is an analog television sound transmission system used in Germany, Austria, Australia, Switzerland, Netherlands and some other countries that use or used PAL-B or PAL-G. TV3 Malaysia formerly used Zweikanalton on its UHF analogue transmission frequency (Channel 29), whil... |
https://en.wikipedia.org/wiki/SMC%20protein | SMC complexes represent a large family of ATPases that participate in many aspects of higher-order chromosome organization and dynamics. SMC stands for Structural Maintenance of Chromosomes.
Classification
Eukaryotic SMCs
Eukaryotes have at least six SMC proteins in individual organisms, and they form three distinct ... |
https://en.wikipedia.org/wiki/First%20flush | First flush is the initial surface runoff of a rainstorm. During this phase, water pollution entering storm drains in areas with high proportions of impervious surfaces is typically more concentrated compared to the remainder of the storm. Consequently, these high concentrations of urban runoff result in high levels of... |
https://en.wikipedia.org/wiki/Index%20of%20biomedical%20engineering%20articles | Articles related specifically to biomedical engineering include:
A
Artificial heart —
Artificial heart valve —
Artificial intelligence —
Artificial limb —
Artificial pacemaker —
Automated external defibrillator —
B
Bachelor of Science in Biomedical Engineering—
Bedsores—
Biochemistry —
Biochemistry topics list —
Bioe... |
https://en.wikipedia.org/wiki/Index%20of%20chemical%20engineering%20articles | This is an alphabetical list of articles pertaining specifically to chemical engineering.
A
Absorption --
Adsorption --
Analytical chemistry --
B
Bioaccumulate --
Biochemical engineering --
Biochemistry --
Biochemistry topics list --
Bioinformatics --
Biology --
Bioprocess Engineering --
Biomolecular eng... |
https://en.wikipedia.org/wiki/Hypostatic%20abstraction | Hypostatic abstraction in mathematical logic, also known as hypostasis or subjectal abstraction, is a formal operation that transforms a predicate into a relation; for example "Honey is sweet" is transformed into "Honey has sweetness". The relation is created between the original subject and a new term that represents ... |
https://en.wikipedia.org/wiki/UAProf | The UAProf (User Agent Profile) specification is concerned with capturing capability and preference information for wireless devices. This information can be used by content providers to produce content in an appropriate format for the specific device.
UAProf is related to the Composite Capability/Preference Profiles ... |
https://en.wikipedia.org/wiki/Tonelli%E2%80%93Shanks%20algorithm | The Tonelli–Shanks algorithm (referred to by Shanks as the RESSOL algorithm) is used in modular arithmetic to solve for r in a congruence of the form r2 ≡ n (mod p), where p is a prime: that is, to find a square root of n modulo p.
Tonelli–Shanks cannot be used for composite moduli: finding square roots modulo composi... |
https://en.wikipedia.org/wiki/Millennium%20Mathematics%20Project | The Millennium Mathematics Project (MMP) was set up within the University of Cambridge in England as a joint project between the Faculties of Mathematics and Education in 1999. The MMP aims to support maths education for pupils of all abilities from ages 5 to 19 and promote the development of mathematical skills and un... |
https://en.wikipedia.org/wiki/Continuous%20symmetry | In mathematics, continuous symmetry is an intuitive idea corresponding to the concept of viewing some symmetries as motions, as opposed to discrete symmetry, e.g. reflection symmetry, which is invariant under a kind of flip from one state to another. However, a discrete symmetry can always be reinterpreted as a subset ... |
https://en.wikipedia.org/wiki/Application%20directory | An application directory is a grouping of software code, help files and resources that together comprise a complete software package but are presented to the user as a single object.
They are currently used in RISC OS and the ROX Desktop, and also form the basis of the Zero Install application distribution system. Sim... |
https://en.wikipedia.org/wiki/Feingold%20diet | The Feingold diet is an elimination diet initially devised by Benjamin Feingold following research in the 1970s that appeared to link food additives with hyperactivity; by eliminating these additives and various foods the diet was supposed to alleviate the condition.
Popular in its day, the diet has since been referre... |
https://en.wikipedia.org/wiki/System%20integration%20testing | System integration testing (SIT) involves the overall testing of a complete system of many subsystem components or elements. The system under test may be composed of hardware, or software, or hardware with embedded software, or hardware/software with human-in-the-loop testing.
SIT consists, initially, of the "proce... |
https://en.wikipedia.org/wiki/Nilmanifold | In mathematics, a nilmanifold is a differentiable manifold which has a transitive nilpotent group of diffeomorphisms acting on it. As such, a nilmanifold is an example of a homogeneous space and is diffeomorphic to the quotient space , the quotient of a nilpotent Lie group N modulo a closed subgroup H. This notion w... |
https://en.wikipedia.org/wiki/NoScript | NoScript (or NoScript Security Suite) is a free and open-source extension for Firefox- and Chromium-based web browsers, written and maintained by Giorgio Maone, an Italian software developer and member of the Mozilla Security Group.
Features
Active content blocking
By default, NoScript blocks active (executable) web... |
https://en.wikipedia.org/wiki/Implicit%20data%20structure | In computer science, an implicit data structure or space-efficient data structure is a data structure that stores very little information other than the main or required data: a data structure that requires low overhead. They are called "implicit" because the position of the elements carries meaning and relationship be... |
https://en.wikipedia.org/wiki/Edge%20device | In computer networking, an edge device is a device that provides an entry point into enterprise or service provider core networks. Examples include routers, routing switches, integrated access devices (IADs), multiplexers, and a variety of metropolitan area network (MAN) and wide area network (WAN) access devices. Edg... |
https://en.wikipedia.org/wiki/Vacuum%20evaporation | Vacuum evaporation is the process of causing the pressure in a liquid-filled container to be reduced below the vapor pressure of the liquid, causing the liquid to evaporate at a lower temperature than normal. Although the process can be applied to any type of liquid at any vapor pressure, it is generally used to descri... |
https://en.wikipedia.org/wiki/Apache%20Directory | Apache Directory is an open source project of the Apache Software Foundation. The Apache Directory Server, originally written by Alex Karasulu, is an embeddable directory server entirely written in Java. It was certified LDAPv3-compatible by The Open Group in 2006. Besides LDAP, the server supports other protocols as w... |
https://en.wikipedia.org/wiki/List%20of%20Python%20software | The Python programming language is actively used by many people, both in industry and academia, for a wide variety of purposes.
Integrated Development Environments (IDEs) for Python
Atom, an open source cross-platform IDE with autocomplete, help and more Python features under package extensions.
Codelobster, a cros... |
https://en.wikipedia.org/wiki/RTEMS | Real-Time Executive for Multiprocessor Systems (RTEMS), formerly Real-Time Executive for Missile Systems, and then Real-Time Executive for Military Systems, is a real-time operating system (RTOS) designed for embedded systems. It is free and open-source software.
Development began in the late 1980s with early versions... |
https://en.wikipedia.org/wiki/Radeon%20R100%20series | The Radeon R100 is the first generation of Radeon graphics chips from ATI Technologies. The line features 3D acceleration based upon Direct3D 7.0 and OpenGL 1.3, and all but the entry-level versions offloading host geometry calculations to a hardware transform and lighting (T&L) engine, a major improvement in features ... |
https://en.wikipedia.org/wiki/Planetary%20surface%20construction | Planetary-surface construction is the construction of artificial habitats and other structures on planetary surfaces. Planetary surface construction can be divided into three phases or classes, coinciding with a phased schedule for habitation:
• Class I: Pre-integrated hard shell modules ready to use immediately upon ... |
https://en.wikipedia.org/wiki/Dan%20Shechtman | Dan Shechtman (; born January 24, 1941) is the Philip Tobias Professor of Materials Science at the Technion – Israel Institute of Technology, an Associate of the US Department of Energy's Ames National Laboratory, and Professor of Materials Science at Iowa State University. On April 8, 1982, while on sabbatical at the ... |
https://en.wikipedia.org/wiki/Ethnomycology | Ethnomycology is the study of the historical uses and sociological impact of fungi and can be considered a subfield of ethnobotany or ethnobiology. Although in theory the term includes fungi used for such purposes as tinder, medicine (medicinal mushrooms) and food (including yeast), it is often used in the context of t... |
https://en.wikipedia.org/wiki/Vector-valued%20function | A vector-valued function, also referred to as a vector function, is a mathematical function of one or more variables whose range is a set of multidimensional vectors or infinite-dimensional vectors. The input of a vector-valued function could be a scalar or a vector (that is, the dimension of the domain could be 1 or g... |
https://en.wikipedia.org/wiki/Executable-space%20protection | In computer security, executable-space protection marks memory regions as non-executable, such that an attempt to execute machine code in these regions will cause an exception. It makes use of hardware features such as the NX bit (no-execute bit), or in some cases software emulation of those features. However, technolo... |
https://en.wikipedia.org/wiki/Augmented%20matrix | In linear algebra, an augmented matrix is a matrix obtained by appending the columns of two given matrices, usually for the purpose of performing the same elementary row operations on each of the given matrices.
Given the matrices and , where
the augmented matrix (A|B) is written as
This is useful when solving syst... |
https://en.wikipedia.org/wiki/Cray%20C90 | The Cray C90 series (initially named the Y-MP C90) was a vector processor supercomputer launched by Cray Research in 1991. The C90 was a development of the Cray Y-MP architecture. Compared to the Y-MP, the C90 processor had a dual vector pipeline and a faster 4.1 ns clock cycle (244 MHz), which together gave three time... |
https://en.wikipedia.org/wiki/Centre%20for%20Computational%20Geography | The Centre for Computational Geography (CCG) is an inter-disciplinary research centre based at the University of Leeds. The CCG was founded in 1993 by Stan Openshaw and Phil Rees, and builds on over 40 years experience in spatial analysis and modelling within the School of Geography. CCG research is concerned with the... |
https://en.wikipedia.org/wiki/Needle%20roller%20bearing | A needle roller bearing is a special type of roller bearing which uses long, thin cylindrical rollers resembling needles. Ordinary roller bearings' rollers are only slightly longer than their diameter, but needle bearings typically have rollers that are at least four times longer than their diameter. Like all bearing... |
https://en.wikipedia.org/wiki/Whonamedit%3F | Whonamedit? is an online English-language dictionary of medical eponyms and the people associated with their identification. Though it is a dictionary, many eponyms and persons are presented in extensive articles with comprehensive bibliographies. The dictionary is hosted in Norway and maintained by medical historian O... |
https://en.wikipedia.org/wiki/Send%20track | Send tracks (sometimes simply called Sends) are the software audio routing equivalent to the aux-sends found on multitrack sound mixing/sequencing consoles.
In audio recording, a given song is almost always made up of multiple tracks, with each instrument or sound on their own track (for example, one track could conta... |
https://en.wikipedia.org/wiki/Crystal%20detector | A crystal detector is an obsolete electronic component used in some early 20th century radio receivers that consists of a piece of crystalline mineral which rectifies the alternating current radio signal. It was employed as a detector (demodulator) to extract the audio modulation signal from the modulated carrier, to... |
https://en.wikipedia.org/wiki/Automatic%20watch | An automatic watch, also known as a self-winding watch or simply an automatic, is a mechanical watch where the natural motion of the wearer provides energy to wind the mainspring, making manual winding unnecessary if worn enough. It is distinguished from a manual watch in that a manual watch must have its mainspring wo... |
https://en.wikipedia.org/wiki/Non-negative%20matrix%20factorization | Non-negative matrix factorization (NMF or NNMF), also non-negative matrix approximation is a group of algorithms in multivariate analysis and linear algebra where a matrix is factorized into (usually) two matrices and , with the property that all three matrices have no negative elements. This non-negativity makes the... |
https://en.wikipedia.org/wiki/Unified%20Soil%20Classification%20System | The Unified Soil Classification System (USCS) is a soil classification system used in engineering and geology to describe the texture and grain size of a soil. The classification system can be applied to most unconsolidated materials, and is represented by a two-letter symbol. Each letter is described below (with the e... |
https://en.wikipedia.org/wiki/Dot-com%20company | A dot-com company, or simply a dot-com (alternatively rendered dot.com, dot com, dotcom or .com), is a company that does most of its business on the Internet, usually through a website on the World Wide Web that uses the popular top-level domain ".com". As of 2021, .com is by far the most used TLD, with almost half of ... |
https://en.wikipedia.org/wiki/Plasmid%20preparation | A plasmid preparation is a method of DNA extraction and purification for plasmid DNA, it is an important step in many molecular biology experiments and is essential for the successful use of plasmids in research and biotechnology. Many methods have been developed to purify plasmid DNA from bacteria. During the purifica... |
https://en.wikipedia.org/wiki/Alligation | Alligation is an old and practical method of solving arithmetic problems related to mixtures of ingredients. There are two types of alligation: alligation medial, used to find the quantity of a mixture given the quantities of its ingredients, and alligation alternate, used to find the amount of each ingredient needed t... |
https://en.wikipedia.org/wiki/M23%20software%20distribution%20system | m23 is a software distribution and management system for the Debian, Ubuntu, Kubuntu Linux, Xubuntu, Linux Mint, elementary OS, Fedora, CentOS and openSUSE distributions.
m23 can partition and format clients and install a Linux operating system and any number of software packages like office packages, graphic tools, s... |
https://en.wikipedia.org/wiki/DIMACS | The Center for Discrete Mathematics and Theoretical Computer Science (DIMACS) is a collaboration between Rutgers University, Princeton University, and the research firms AT&T, Bell Labs, Applied Communication Sciences, and NEC. It was founded in 1989 with money from the National Science Foundation. Its offices are lo... |
https://en.wikipedia.org/wiki/Three%20hares | The three hares (or three rabbits) is a circular motif appearing in sacred sites from East Asia, the Middle East and to the churches of Devon, England (as the "Tinners' Rabbits"), and historical synagogues in Europe. It is used as an architectural ornament, a religious symbol, and in other modern works of art or a logo... |
https://en.wikipedia.org/wiki/Microsoft%20Security%20Development%20Lifecycle | The Microsoft Security Development Lifecycle is a software development process used and proposed by Microsoft to reduce software maintenance costs and increase reliability of software concerning software security related bugs. It is based on the classical spiral model.
Versions
See also
Trusted computing base
Furt... |
https://en.wikipedia.org/wiki/Long%20double | In C and related programming languages, long double refers to a floating-point data type that is often more precise than double precision though the language standard only requires it to be at least as precise as double. As with C's other floating-point types, it may not necessarily map to an IEEE format.
long double ... |
https://en.wikipedia.org/wiki/Dave%20Thomas%20%28programmer%29 | Dave Thomas (born 1956) is a computer programmer, author and editor. He has written about Ruby and together with Andy Hunt, he co-authored The Pragmatic Programmer and runs The Pragmatic Bookshelf publishing company. Thomas moved to the United States from England in 1994 and lives north of Dallas, Texas.
Thomas coine... |
https://en.wikipedia.org/wiki/Disjunct%20distribution | In biology, a taxon with a disjunct distribution is one that has two or more groups that are related but considerably separated from each other geographically. The causes are varied and might demonstrate either the expansion or contraction of a species' range.
Range fragmentation
Also called range fragmentation, disju... |
https://en.wikipedia.org/wiki/ASCII%20ribbon%20campaign | The ASCII ribbon campaign was an Internet phenomenon started in 1998 advocating that email be sent only in plain text, because of inefficiencies or dangers of using HTML email. Proponents placed ASCII art in their signature blocks, meant to look like an awareness ribbon, along with a message or link to an advocacy si... |
https://en.wikipedia.org/wiki/Greek%20Font%20Society | The Greek Font Society () is a non-profit organization in Greece, founded in 1992, devoted to improving the standard of Greek digital typography.
It has issued four digital fonts, all with full polytonic support:
GFS Bodoni, a modernized version of Giambattista Bodoni's 1793 design. (Font details)
GFS Didot, inspire... |
https://en.wikipedia.org/wiki/Covariant%20classical%20field%20theory | In mathematical physics, covariant classical field theory represents classical fields by sections of fiber bundles, and their dynamics is phrased in the context of a finite-dimensional space of fields. Nowadays, it is well known that jet bundles and the variational bicomplex are the correct domain for such a descriptio... |
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