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https://en.wikipedia.org/wiki/Hypsochromic%20shift | In spectroscopy, hypsochromic shift () is a change of spectral band position in the absorption, reflectance, transmittance, or emission spectrum of a molecule to a shorter wavelength (higher frequency). Because the blue color in the visible spectrum has a shorter wavelength than most other colors, this effect is also c... |
https://en.wikipedia.org/wiki/Hank%20%28unit%20of%20measure%29 | In the textile industry, a hank is a coiled or wrapped unit of yarn or twine, as opposed to other materials like thread or rope, as well as other forms such as ball, cone, bobbin (cylinder-like structure) spool, etc. This is often the best form for use with hand looms, compared to the cone form needed for power looms. ... |
https://en.wikipedia.org/wiki/Data%20General%20Eclipse | The Data General Eclipse line of computers by Data General were 16-bit minicomputers released in early 1974 and sold until 1988. The Eclipse was based on many of the same concepts as the Data General Nova, but included support for virtual memory and multitasking more suitable to the small office than the lab. It was al... |
https://en.wikipedia.org/wiki/New%20York%20State%20Mathematics%20League | The New York State Mathematics League (NYSML) competition was originally held in 1973 and has been held annually in a different location each year since. It was founded by Alfred Kalfus. The American Regions Math League competition is based on the format of the NYSML competition. The current iteration contains four sec... |
https://en.wikipedia.org/wiki/Earthquake%20engineering | Earthquake engineering is an interdisciplinary branch of engineering that designs and analyzes structures, such as buildings and bridges, with earthquakes in mind. Its overall goal is to make such structures more resistant to earthquakes. An earthquake (or seismic) engineer aims to construct structures that will not be... |
https://en.wikipedia.org/wiki/Codebase | In software development, a codebase (or code base) is a collection of source code used to build a particular software system, application, or software component. Typically, a codebase includes only human-written source code system files; thus, a codebase usually does not include source code files generated by tools (ge... |
https://en.wikipedia.org/wiki/Rayleigh%E2%80%93Ritz%20method | The Rayleigh–Ritz method is a direct numerical method of approximating eigenvalues, originated in the context of solving physical boundary value problems and named after Lord Rayleigh and Walther Ritz.
It is used in all applications that involve approximating eigenvalues and eigenvectors, often under different names. ... |
https://en.wikipedia.org/wiki/IBM%20OS/6 | OS/6 (Office System/6 or System 6) is a standalone word processor made by IBM's Office Products Division (OPD), introduced in January, 1977. OS/6 was superseded by the IBM Displaywriter in 1980.
Overview
The intended configuration is a console with a keyboard, a small, approximately 9" CRT character display and either... |
https://en.wikipedia.org/wiki/FrameNet | FrameNet is a group of online lexical databases based upon the theory of meaning known as Frame semantics, developed by linguist Charles J. Fillmore. The project's fundamental notion is simple: most words' meanings may be best understood in terms of a semantic frame, which is a description of a certain kind of event, c... |
https://en.wikipedia.org/wiki/List%20of%20vaccine%20topics | This is a list of vaccine-related topics.
A vaccine is a biological preparation that improves immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism, and is often made from weakened or killed forms of the microbe or its toxins. The agent stimulates the bo... |
https://en.wikipedia.org/wiki/Outline%20of%20autism | The following outline is provided as an overview of and topical guide to autism:
Autism – neurodevelopmental disorder that affects social interaction and communication, and involves restricted and repetitive behavior.
What type of thing is autism?
Autism can be described as all of the following:
Disability – may b... |
https://en.wikipedia.org/wiki/Duocylinder | The duocylinder, also called the double cylinder or the bidisc, is a geometric object embedded in 4-dimensional Euclidean space, defined as the Cartesian product of two disks of respective radii r1 and r2:
It is analogous to a cylinder in 3-space, which is the Cartesian product of a disk with a line segment. But unlik... |
https://en.wikipedia.org/wiki/High-dynamic-range%20rendering | High-dynamic-range rendering (HDRR or HDR rendering), also known as high-dynamic-range lighting, is the rendering of computer graphics scenes by using lighting calculations done in high dynamic range (HDR). This allows preservation of details that may be lost due to limiting contrast ratios. Video games and computer-ge... |
https://en.wikipedia.org/wiki/Shuttle%20Inc. | Shuttle Inc. () (TAIEX:2405) is a Taiwan-based manufacturer of motherboards, barebone computers, complete PC systems and monitors. Throughout the last 10 years, Shuttle has been one of the world's top 10 motherboard manufacturers, and gained fame in 2001 with the introduction of the Shuttle SV24, one of the world's fir... |
https://en.wikipedia.org/wiki/Mathematical%20Olympiad%20Program | The Mathematical Olympiad Program (abbreviated MOP; formerly called the Mathematical Olympiad Summer Program, abbreviated MOSP) is an intensive summer program held at Carnegie Mellon University. The main purpose of MOP, held since 1974, is to select and train the six members of the U.S. team for the International Mathe... |
https://en.wikipedia.org/wiki/Jensen%20Huang | Jen-Hsun "Jensen" Huang (; born February 17, 1963) is an American businessman, electrical engineer, and the co-founder, president and CEO of Nvidia Corporation.
Early life
Huang was born in Tainan, Taiwan. His family first moved to Thailand when he was five years old, then emigrated to the United States around four t... |
https://en.wikipedia.org/wiki/Trajectory%20optimization | Trajectory optimization is the process of designing a trajectory that minimizes (or maximizes) some measure of performance while satisfying a set of constraints. Generally speaking, trajectory optimization is a technique for computing an open-loop solution to an optimal control problem. It is often used for systems whe... |
https://en.wikipedia.org/wiki/KUSI-TV | KUSI-TV (channel 51) is an independent television station in San Diego, California, United States. It is owned by Nexstar Media Group alongside Fox affiliate KSWB-TV (channel 69). KUSI-TV's studios are located on Viewridge Avenue (near I-15) in the Kearny Mesa section of San Diego, and its transmitter is located southe... |
https://en.wikipedia.org/wiki/Qrpff | qrpff is a Perl script created by Keith Winstein and Marc Horowitz of the MIT SIPB. It performs DeCSS in six or seven lines. The name itself is an encoding of "decss" in rot-13. The algorithm was rewritten 77 times to condense it down to six lines.
In fact, two versions of qrpff exist: a short version (6 lines) and... |
https://en.wikipedia.org/wiki/Cyberchondria | Cyberchondria, otherwise known as compucondria, is the unfounded escalation of concerns about common symptomology based on review of search results and literature online. Articles in popular media position cyberchondria anywhere from temporary neurotic excess to adjunct hypochondria. Cyberchondria is a growing concern ... |
https://en.wikipedia.org/wiki/Nonvolatile%20BIOS%20memory | Nonvolatile BIOS memory refers to a small memory on PC motherboards that is used to store BIOS settings. It is traditionally called CMOS RAM because it uses a volatile, low-power complementary metal–oxide–semiconductor (CMOS) SRAM (such as the Motorola MC146818 or similar) powered by a small "CMOS" battery when system ... |
https://en.wikipedia.org/wiki/Mach%20tuck | Mach tuck is an aerodynamic effect whereby the nose of an aircraft tends to pitch downward as the airflow around the wing reaches supersonic speeds. This diving tendency is also known as tuck under. The aircraft will first experience this effect at significantly below Mach 1.
Causes
Mach tuck is usually caused by two ... |
https://en.wikipedia.org/wiki/Domestication%20of%20vertebrates | The domestication of vertebrates is the mutual relationship between vertebrate animals including birds and mammals, and the humans who have influence on their care and reproduction.
Charles Darwin recognized a small number of traits that made domesticated species different from their wild ancestors. He was also the fi... |
https://en.wikipedia.org/wiki/Climate%20change%20mitigation | Climate change mitigation is action to limit climate change by reducing emissions of greenhouse gases or removing those gases from the atmosphere. The recent rise in global average temperature is mostly due to emissions from unabated burning of fossil fuels such as coal, oil, and natural gas. Mitigation can reduce emis... |
https://en.wikipedia.org/wiki/Crystallinity | Crystallinity refers to the degree of structural order in a solid. In a crystal, the atoms or molecules are arranged in a regular, periodic manner. The degree of crystallinity has a big influence on hardness, density, transparency and diffusion. In an ideal gas, the relative positions of the atoms or molecules are comp... |
https://en.wikipedia.org/wiki/Audio%20converter | An audio converter is a device or software that converts an audio signal from one format to another.
Hardware audio converters include analog-to-digital converters (ADCs), which convert analog audio to uncompressed digital form (e.g., PCM), and their reciprocal partners, digital-to-analog converters (DACs), which conv... |
https://en.wikipedia.org/wiki/Retraction%20%28topology%29 | In topology, a branch of mathematics, a retraction is a continuous mapping from a topological space into a subspace that preserves the position of all points in that subspace. The subspace is then called a retract of the original space. A deformation retraction is a mapping that captures the idea of continuously shrink... |
https://en.wikipedia.org/wiki/Plextor | Plextor (styled PLEXTOR) (; ) is a Taiwanese (formerly Japanese) consumer electronics brand, best known for solid-state drives and optical disc drives.
Company
The brand name Plextor was used for all products manufactured by the Electronic Equipment Division and Printing Equipment Division of the Japanese company Plex... |
https://en.wikipedia.org/wiki/Faraday%20paradox | The Faraday paradox or Faraday's paradox is any experiment in which Michael Faraday's law of electromagnetic induction appears to predict an incorrect result. The paradoxes fall into two classes:
Faraday's law appears to predict that there will be zero electromotive force (EMF) but there is a non-zero EMF.
Faraday's... |
https://en.wikipedia.org/wiki/Metro%20Ethernet | A metropolitan-area Ethernet, Ethernet MAN, or metro Ethernet network is a metropolitan area network (MAN) that is based on Ethernet standards. It is commonly used to connect subscribers to a larger service network or for internet access. Businesses can also use metropolitan-area Ethernet to connect their own offices t... |
https://en.wikipedia.org/wiki/Barber%27s%20pole | A barber's pole is a type of sign used by barbers to signify the place or shop where they perform their craft. The trade sign is, by a tradition dating back to the Middle Ages, a staff or pole with a helix of colored stripes (often red and white in many countries, but usually red, white and blue in Japan and the United... |
https://en.wikipedia.org/wiki/313%20%28number%29 | 313 (three hundred [and] thirteen) is the natural number following 312 and preceding 314.
Additionally, 313 is:
a prime number
a twin prime with 311
a centered square number
a full reptend prime (and the smallest number which is a full reptend prime in base 10 but not in base 2 to 9)
a Pythagorean prime
a regular pri... |
https://en.wikipedia.org/wiki/Aftertaste | Aftertaste is the taste intensity of a food or beverage that is perceived immediately after that food or beverage is removed from the mouth. The aftertastes of different foods and beverages can vary by intensity and over time, but the unifying feature of aftertaste is that it is perceived after a food or beverage is ei... |
https://en.wikipedia.org/wiki/NScripter | , officially abbreviated as Nscr, also known under its production title Scripter4, is a game engine developed by Naoki Takahashi between 1999 and 2018 functioning with its own script language which facilitates the creation of both visual and sound novels. The SDK is only available for Windows. From version 2.82, NScrip... |
https://en.wikipedia.org/wiki/Signal%20lamp | A signal lamp (sometimes called an Aldis lamp or a Morse lamp) is a visual signaling device for optical communication by flashes of a lamp, typically using Morse code. The idea of flashing dots and dashes from a lantern was first put into practice by Captain Philip Howard Colomb, of the Royal Navy, in 1867. Colomb's de... |
https://en.wikipedia.org/wiki/Atresia | Atresia is a condition in which an orifice or passage in the body is (usually abnormally) closed or absent.
Examples of atresia include:
Aural atresia (anotia), a congenital deformity where the ear canal is underdeveloped.
Biliary atresia, a condition in newborns in which the common bile duct between the liver and th... |
https://en.wikipedia.org/wiki/Global%20motion%20compensation | Global motion compensation (GMC) is a motion compensation technique used in video compression to reduce the bitrate required to encode video. It is most commonly used in MPEG-4 ASP, such as with the DivX and Xvid codecs.
Operation
Global motion compensation describes the motion in a scene based on a single affine tran... |
https://en.wikipedia.org/wiki/Jazelle | Jazelle DBX (direct bytecode execution) is an extension that allows some ARM processors to execute Java bytecode in hardware as a third execution state alongside the existing ARM and Thumb modes. Jazelle functionality was specified in the ARMv5TEJ architecture and the first processor with Jazelle technology was the ARM... |
https://en.wikipedia.org/wiki/ScienceDirect | ScienceDirect is a website that provides access to a large bibliographic database of scientific and medical publications of the Dutch publisher Elsevier. It hosts over 18 million pieces of content from more than 4,000 academic journals and 30,000 e-books of this publisher. The access to the full-text requires subscript... |
https://en.wikipedia.org/wiki/Peer%20to%20Peer%20Remote%20Copy | Peer to Peer Remote Copy or PPRC is a protocol to replicate a storage volume to another control unit in a remote site. Synchronous PPRC causes each write to the primary volume to be performed to the secondary as well, and the I/O is only considered complete when update to both primary and secondary have completed. Asyn... |
https://en.wikipedia.org/wiki/Local%20oscillator | In electronics, a local oscillator (LO) is an electronic oscillator used with a mixer to change the frequency of a signal. This frequency conversion process, also called heterodyning, produces the sum and difference frequencies from the frequency of the local oscillator and frequency of the input signal. Processing a... |
https://en.wikipedia.org/wiki/Reversible%20inhibition%20of%20sperm%20under%20guidance | Reversible inhibition of sperm under guidance (RISUG), formerly referred to as the synthetic polymer styrene maleic anhydride (SMA), is the development name of a male contraceptive injection developed at IIT Kharagpur in India by the team of Dr. Sujoy K. Guha.
RISUG has been patented in India, China, Bangladesh, and t... |
https://en.wikipedia.org/wiki/Male%20contraceptive | Male contraceptives, also known as male birth control, are methods of preventing pregnancy by leveraging male physiology. Globally, the most common forms of male contraceptives include condoms, vasectomy, and withdrawal. Men are largely limited to these forms of contraception, and combined, male contraceptives make up ... |
https://en.wikipedia.org/wiki/American%20Council%20of%20Learned%20Societies | The American Council of Learned Societies (ACLS) is a private, nonprofit federation of 75 scholarly organizations in the humanities and related social sciences founded in 1919. It is best known for its fellowship competitions which provide a range of opportunities for scholars in the humanities and related social scien... |
https://en.wikipedia.org/wiki/Cephalic%20vein | In human anatomy, the cephalic vein is a superficial vein in the arm. It originates from the radial end of the dorsal venous network of hand, and ascends along the radial (lateral) side of the arm before emptying into the axillary vein. At the elbow, it communicates with the basilic vein via the median cubital vein.
A... |
https://en.wikipedia.org/wiki/Industrial%20Ethernet | Industrial Ethernet (IE) is the use of Ethernet in an industrial environment with protocols that provide determinism and real-time control. Protocols for industrial Ethernet include EtherCAT, EtherNet/IP, PROFINET, POWERLINK, SERCOS III, CC-Link IE, and Modbus TCP. Many industrial Ethernet protocols use a modified med... |
https://en.wikipedia.org/wiki/Er%3AYAG%20laser | An Er:YAG laser (erbium-doped yttrium aluminium garnet laser, erbium YAG laser) is a solid-state laser whose active laser medium is erbium-doped yttrium aluminium garnet (Er:Y3Al5O12). Er:YAG lasers typically emit light with a wavelength of 2940 nm, which is infrared light.
Applications
The output of an Er:YAG laser i... |
https://en.wikipedia.org/wiki/Southeastern%20Anatolia%20Project | The Southeastern Anatolia Project (, GAP) is a multi-sector integrated regional development project based on the concept of sustainable development for the 9 million people (2005) living in the Southeastern Anatolia region of Turkey. According to a governmental source, the aim of the GAP is to eliminate regional develo... |
https://en.wikipedia.org/wiki/Virtual%20IP%20address | A virtual IP address (VIP or VIPA) is an IP address that does not correspond to a physical network interface. Uses for VIPs include network address translation (especially, one-to-many NAT), fault-tolerance, and mobility.
Usage
For one-to-many NAT, a VIP address is advertised from the NAT device (often a router), an... |
https://en.wikipedia.org/wiki/Bankruptcy%20problem | A bankruptcy problem, also called a claims problem, is a problem of distributing a homogeneous divisible good (such as money) among people with different claims. The focus is on the case where the amount is insufficient to satisfy all the claims.
The canonical application is a bankrupt firm that is to be liquidated. T... |
https://en.wikipedia.org/wiki/Two-player%20game | A two-player game is a multiplayer game that is played by precisely two players. This is distinct from a solitaire game, which is played by only one player.
Examples
The following are some examples of two-player games. This list is not intended to be exhaustive.
Board games:
Chess
Draughts
Go
Some wargames, such... |
https://en.wikipedia.org/wiki/Mark%20Dean%20%28computer%20scientist%29 | Mark E. Dean (born March 2, 1957) is an American inventor and computer engineer. He developed the ISA bus, and he led a design team for making a one-gigahertz computer processor chip. He holds three of nine PC patents for being the co-creator of the IBM personal computer released in 1981. In 1995, Dean was named the fi... |
https://en.wikipedia.org/wiki/ISO%2019092-2 | ISO 19092 Financial Services - Biometrics - Part 2: Message syntax and cryptographic requirements is an ISO standard that describes the techniques, protocols, cryptographic requirements, and syntax for using biometrics as an identification and verification mechanism in a wide variety of security applications in the fin... |
https://en.wikipedia.org/wiki/Information%20flow%20%28information%20theory%29 | Information flow in an information theoretical context is the transfer of information from a variable to a variable in a given process. Not all flows may be desirable; for example, a system should not leak any confidential information (partially or not) to public observers—as it is a violation of privacy on an indivi... |
https://en.wikipedia.org/wiki/Central%20binomial%20coefficient | In mathematics the nth central binomial coefficient is the particular binomial coefficient
They are called central since they show up exactly in the middle of the even-numbered rows in Pascal's triangle. The first few central binomial coefficients starting at n = 0 are:
, , , , , , 924, 3432, 12870, 48620, ...;
C... |
https://en.wikipedia.org/wiki/Pascal%27s%20rule | In mathematics, Pascal's rule (or Pascal's formula) is a combinatorial identity about binomial coefficients. It states that for positive natural numbers n and k,
where is a binomial coefficient; one interpretation of the coefficient of the term in the expansion of . There is no restriction on the relative sizes o... |
https://en.wikipedia.org/wiki/Lazy%20Jones | Lazy Jones is a platform game for the Commodore 64, ZX Spectrum, MSX and Tatung Einstein. It was written by David Whittaker and released by Terminal Software in 1984. The Spectrum version was ported by Simon Cobb.
Lazy Jones is a collection of fifteen sub-games. The game takes place inside a hotel with three floors, c... |
https://en.wikipedia.org/wiki/TILLING%20%28molecular%20biology%29 | TILLING (Targeting Induced Local Lesions in Genomes) is a method in molecular biology that allows directed identification of mutations in a specific gene. TILLING was introduced in 2000, using the model plant Arabidopsis thaliana, and expanded on into other uses and methodologies by a small group of scientists includin... |
https://en.wikipedia.org/wiki/Sentence%20%28mathematical%20logic%29 | In mathematical logic, a sentence (or closed formula) of a predicate logic is a Boolean-valued well-formed formula with no free variables. A sentence can be viewed as expressing a proposition, something that must be true or false. The restriction of having no free variables is needed to make sure that sentences can ha... |
https://en.wikipedia.org/wiki/Inverse%20dynamics | Inverse dynamics is an inverse problem. It commonly refers to either inverse rigid body dynamics or inverse structural dynamics. Inverse rigid-body dynamics is a method for computing forces and/or moments of force (torques) based on the kinematics (motion) of a body and the body's inertial properties (mass and moment o... |
https://en.wikipedia.org/wiki/Phototube | A phototube or photoelectric cell is a type of gas-filled or vacuum tube that is sensitive to light. Such a tube is more correctly called a 'photoemissive cell' to distinguish it from photovoltaic or photoconductive cells. Phototubes were previously more widely used but are now replaced in many applications by solid ... |
https://en.wikipedia.org/wiki/Degree%20distribution | In the study of graphs and networks, the degree of a node in a network is the number of connections it has to other nodes and the degree distribution is the probability distribution of these degrees over the whole network.
Definition
The degree of a node in a network (sometimes referred to incorrectly as the connectiv... |
https://en.wikipedia.org/wiki/Progressive%20contextualization | Progressive contextualization (PC) is a scientific method pioneered and developed by Andrew P. Vayda and research team between 1979 and 1984. The method was developed to help understand cause of damage and destruction of forest and land during the New Order Regime in Indonesia, as well as practical ethnography. Vayda p... |
https://en.wikipedia.org/wiki/Activity%20%28UML%29 | An activity in Unified Modeling Language (UML) is a major task that must take place in order to fulfill an operation contract. The Student Guide to Object-Oriented Development defines an activity as a sequence of activities that make up a process. Activities can be represented in activity diagrams
An activity can repr... |
https://en.wikipedia.org/wiki/Ultradian%20rhythm | In chronobiology, an ultradian rhythm is a recurrent period or cycle repeated throughout a 24-hour day. In contrast, circadian rhythms complete one cycle daily, while infradian rhythms such as the human menstrual cycle have periods longer than a day. The Oxford English Dictionary's definition of Ultradian specifies tha... |
https://en.wikipedia.org/wiki/Fixed-point%20index | In mathematics, the fixed-point index is a concept in topological fixed-point theory, and in particular Nielsen theory. The fixed-point index can be thought of as a multiplicity measurement for fixed points.
The index can be easily defined in the setting of complex analysis: Let f(z) be a holomorphic mapping on the co... |
https://en.wikipedia.org/wiki/Image%20moment | In image processing, computer vision and related fields, an image moment is a certain particular weighted average (moment) of the image pixels' intensities, or a function of such moments, usually chosen to have some attractive property or interpretation.
Image moments are useful to describe objects after segmentation.... |
https://en.wikipedia.org/wiki/Pathovar | A pathovar is a bacterial strain or set of strains with the same or similar characteristics, that is differentiated at infrasubspecific level from other strains of the same species or subspecies on the basis of distinctive pathogenicity to one or more plant hosts.
Pathovars are named as a ternary or quaternary additio... |
https://en.wikipedia.org/wiki/Differential%20space%E2%80%93time%20code | Differential space–time codes are ways of transmitting data in wireless communications. They are forms of space–time code that do not need to know the channel impairments at the receiver in order to be able to decode the signal. They are usually based on space–time block codes, and transmit one block-code from a set i... |
https://en.wikipedia.org/wiki/Goertzel%20algorithm | The Goertzel algorithm is a technique in digital signal processing (DSP) for efficient evaluation of the individual terms of the discrete Fourier transform (DFT). It is useful in certain practical applications, such as recognition of dual-tone multi-frequency signaling (DTMF) tones produced by the push buttons of the k... |
https://en.wikipedia.org/wiki/Principles%20of%20Mathematical%20Logic | Principles of Mathematical Logic is the 1950 American translation of the 1938 second edition of David Hilbert's and Wilhelm Ackermann's classic text Grundzüge der theoretischen Logik, on elementary mathematical logic. The 1928 first edition thereof is considered the first elementary text clearly grounded in the formal... |
https://en.wikipedia.org/wiki/Nitrosomonas | Nitrosomonas is a genus of Gram-negative bacteria, belonging to the Betaproteobacteria. It is one of the five genera of ammonia-oxidizing bacteria and, as an obligate chemolithoautotroph, uses ammonia (NH3) as an energy source and carbon dioxide (CO2) as a carbon source in presence of oxygen. Nitrosomonas are important... |
https://en.wikipedia.org/wiki/Feeding%20frenzy | In ecology, a feeding frenzy occurs when predators are overwhelmed by the amount of prey available. The term is also used as an idiom in the English language.
Examples in nature
For example, a large school of fish can cause nearby sharks, such as the lemon shark, to enter into a feeding frenzy. This can cause the shar... |
https://en.wikipedia.org/wiki/Snapshot%20%28computer%20storage%29 | In computer systems, a snapshot is the state of a system at a particular point in time. The term was coined as an analogy to that in photography.
Rationale
A full backup of a large data set may take a long time to complete. On multi-tasking or multi-user systems, there may be writes to that data while it is being bac... |
https://en.wikipedia.org/wiki/Explosimeter | An explosimeter is a gas detector which is used to measure the amount of combustible gases present in a sample. When a percentage of the lower explosive limit (LEL) of an atmosphere is exceeded, an alarm signal on the instrument is activated.
The device, also called a combustible gas detector, operates on the princip... |
https://en.wikipedia.org/wiki/Sardine%20run | The KwaZulu-Natal sardine run of southern Africa occurs from May through July when billions of sardines – or more specifically the Southern African pilchard Sardinops sagax – spawn in the cool waters of the Agulhas Bank and move northward along the east coast of South Africa. Their sheer numbers create a feeding frenzy... |
https://en.wikipedia.org/wiki/1%3A5%3A200 | In the construction industry, the 1:5:200 rule (or 1:5:200 ratio) is a rule of thumb that states that:
Rule
The rule originated in a Royal Academy of Engineering paper by Evans et al.
Sometimes the ratios are given as 1:10:200. The figures are averages and broad generalizations, since construction costs will vary wit... |
https://en.wikipedia.org/wiki/E0%20%28cipher%29 | E0 is a stream cipher used in the Bluetooth protocol. It generates a sequence of pseudorandom numbers and combines it with the data using the XOR operator. The key length may vary, but is generally 128 bits.
Description
At each iteration, E0 generates a bit using four shift registers of differing lengths (25, 31, 33,... |
https://en.wikipedia.org/wiki/Dual%20format | Dual format is a technique used to allow software for two systems which would normally require different disk formats to be recorded on the same floppy disk.
In the late 1980s, the term was used to refer to disks that could be used to boot either an Amiga or Atari ST computer. The layout of the first track of the disk... |
https://en.wikipedia.org/wiki/Boomerang%20attack | In cryptography, the boomerang attack is a method for the cryptanalysis of block ciphers based on differential cryptanalysis. The attack was published in 1999 by David Wagner, who used it to break the COCONUT98 cipher.
The boomerang attack has allowed new avenues of attack for many ciphers previously deemed safe from ... |
https://en.wikipedia.org/wiki/Prewellordering | In set theory, a prewellordering on a set is a preorder on (a transitive and reflexive relation on ) that is strongly connected (meaning that any two points are comparable) and well-founded in the sense that the induced relation defined by is a well-founded relation.
Prewellordering on a set
A prewellordering on... |
https://en.wikipedia.org/wiki/Quantum%20programming | Quantum programming is the process of designing or assembling sequences of instructions, called quantum circuits, using gates, switches, and operators to manipulate a quantum system for a desired outcome or results of a given experiment. Quantum circuit algorithms can be implemented on integrated circuits, conducted wi... |
https://en.wikipedia.org/wiki/European%20Association%20for%20Theoretical%20Computer%20Science | The European Association for Theoretical Computer Science (EATCS) is an international organization with a European focus, founded in 1972. Its aim is to facilitate the exchange of ideas and results among theoretical computer scientists as well as to stimulate cooperation between the theoretical and the practical commun... |
https://en.wikipedia.org/wiki/Connection-oriented%20communication | In telecommunications and computer networking, connection-oriented communication is a communication protocol where a communication session or a semi-permanent connection is established before any useful data can be transferred. The established connection ensures that data is delivered in the correct order to the upper ... |
https://en.wikipedia.org/wiki/Ordinal%20arithmetic | In the mathematical field of set theory, ordinal arithmetic describes the three usual operations on ordinal numbers: addition, multiplication, and exponentiation. Each can be defined in essentially two different ways: either by constructing an explicit well-ordered set that represents the result of the operation or by ... |
https://en.wikipedia.org/wiki/Finite%20morphism | In algebraic geometry, a finite morphism between two affine varieties is a dense regular map which induces isomorphic inclusion between their coordinate rings, such that is integral over . This definition can be extended to the quasi-projective varieties, such that a regular map between quasiprojective varieties is... |
https://en.wikipedia.org/wiki/A%20Course%20of%20Modern%20Analysis | A Course of Modern Analysis: an introduction to the general theory of infinite processes and of analytic functions; with an account of the principal transcendental functions (colloquially known as Whittaker and Watson) is a landmark textbook on mathematical analysis written by Edmund T. Whittaker and George N. Watson, ... |
https://en.wikipedia.org/wiki/Moore%20space%20%28algebraic%20topology%29 | In algebraic topology, a branch of mathematics, Moore space is the name given to a particular type of topological space that is the homology analogue of the Eilenberg–Maclane spaces of homotopy theory, in the sense that it has only one nonzero homology (rather than homotopy) group.
Formal definition
Given an abelian g... |
https://en.wikipedia.org/wiki/Product%20term | In Boolean logic, a product term is a conjunction of literals, where each literal is
either a variable or its negation.
Examples
Examples of product terms include:
Origin
The terminology comes from the similarity of AND
to multiplication as in the ring structure of Boolean rings.
Minterms
For a boolean function of ... |
https://en.wikipedia.org/wiki/Mass%20ratio | In aerospace engineering, mass ratio is a measure of the efficiency of a rocket. It describes how much more massive the vehicle is with propellant than without; that is, the ratio of the rocket's wet mass (vehicle plus contents plus propellant) to its dry mass (vehicle plus contents). A more efficient rocket design re... |
https://en.wikipedia.org/wiki/Mason%27s%20mark | A mason's mark is an engraved symbol often found on dressed stone in buildings and other public structures.
In stonemasonry
Regulations issued in Scotland in 1598 by James VI's Master of Works, William Schaw, stated that on admission to the guild, every mason had to enter his name and his mark in a register. There a... |
https://en.wikipedia.org/wiki/Adaptec | Adaptec, Inc., was a computer storage company and remains a brand for computer storage products. The company was an independent firm from 1981 to 2010, at which point it was acquired by PMC-Sierra, which itself was later acquired by Microsemi, which itself was later acquired by Microchip Technology.
History
Larry Bou... |
https://en.wikipedia.org/wiki/Ballblazer | Ballblazer is a futuristic sports game created by Lucasfilm Games and published in 1985 by Epyx. Along with Rescue on Fractalus!, it was one of the initial pair of releases from Lucasfilm Games, Ballblazer was developed and first published for the Atari 8-bit family. The principal creator and programmer was David Levi... |
https://en.wikipedia.org/wiki/Domain-specific%20modeling | Domain-specific modeling (DSM) is a software engineering methodology for designing and developing systems, such as computer software. It involves systematic use of a domain-specific language to represent the various facets of a system.
Domain-specific modeling languages tend to support higher-level abstractions than ... |
https://en.wikipedia.org/wiki/Star%20Force | also released in arcades outside of Japan as Mega Force, is a vertical-scrolling shooter computer game released in 1984 by Tehkan.
Gameplay
In the game, the player pilots a starship called the Final Star, while shooting various enemies and destroying enemy structures for points.
Unlike later vertical scrolling shoot... |
https://en.wikipedia.org/wiki/Precision%20Time%20Protocol | The Precision Time Protocol (PTP) is a protocol used to synchronize clocks throughout a computer network. On a local area network, it achieves clock accuracy in the sub-microsecond range, making it suitable for measurement and control systems. PTP is employed to synchronize financial transactions, mobile phone tower tr... |
https://en.wikipedia.org/wiki/Notation%20in%20probability%20and%20statistics | Probability theory and statistics have some commonly used conventions, in addition to standard mathematical notation and mathematical symbols.
Probability theory
Random variables are usually written in upper case roman letters: , , etc.
Particular realizations of a random variable are written in corresponding lower... |
https://en.wikipedia.org/wiki/Procept | In mathematics education, a procept is an amalgam of three components: a "process" which produces a mathematical "object" and a "symbol" which is used to represent either process or object. It derives from the work of Eddie Gray and David O. Tall.
The notion was first published in a paper in the Journal for Research i... |
https://en.wikipedia.org/wiki/Glossary%20of%20probability%20and%20statistics | This glossary of statistics and probability is a list of definitions of terms and concepts used in the mathematical sciences of statistics and probability, their sub-disciplines, and related fields. For additional related terms, see Glossary of mathematics and Glossary of experimental design.
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https://en.wikipedia.org/wiki/Ky%20Fan%20inequality | In mathematics, there are two different results that share the common name of the Ky Fan inequality. One is an inequality involving the geometric mean and arithmetic mean of two sets of real numbers of the unit interval. The result was published on page 5 of the book Inequalities by Edwin F. Beckenbach and Richard E. ... |
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