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https://en.wikipedia.org/wiki/SEAC%20%28computer%29 | SEAC (Standards Eastern Automatic Computer or Standards Electronic Automatic Computer) was a first-generation electronic computer, built in 1950 by the U.S. National Bureau of Standards (NBS) and was initially called the National Bureau of Standards Interim Computer, because it was a small-scale computer designed to b... |
https://en.wikipedia.org/wiki/Hilbert%27s%20twenty-first%20problem | The twenty-first problem of the 23 Hilbert problems, from the celebrated list put forth in 1900 by David Hilbert, concerns the existence of a certain class of linear differential equations with specified singular points and monodromic group.
Statement
The original problem was stated as follows (English translation fro... |
https://en.wikipedia.org/wiki/SWAC%20%28computer%29 | The SWAC (Standards Western Automatic Computer) was an early electronic digital computer built in 1950 by the U.S. National Bureau of Standards (NBS) in Los Angeles, California. It was designed by Harry Huskey.
Overview
Like the SEAC which was built about the same time, the SWAC was a small-scale interim computer des... |
https://en.wikipedia.org/wiki/149%20%28number%29 | 149 (one hundred [and] forty-nine) is the natural number between 148 and 150.
In mathematics
149 is a prime number, the first prime whose difference from the previous prime is exactly 10, an emirp, and an irregular prime. After 1 and 127, it is the third smallest de Polignac number, an odd number that cannot be repres... |
https://en.wikipedia.org/wiki/Hydrolyzed%20protein | Hydrolyzed protein is a solution derived from the hydrolysis of a protein into its component amino acids and peptides. While many means of achieving this exist, most common is prolonged heating with hydrochloric acid, sometimes with an enzyme such as pancreatic protease to simulate the naturally occurring hydrolytic pr... |
https://en.wikipedia.org/wiki/Beau%27s%20lines | Beau's lines are deep grooved lines that run from side to side on the fingernail or the toenail. They may look like indentations or ridges in the nail plate.
This condition of the nail was named by a French physician, Joseph Honoré Simon Beau (1806–1865), who first described it in 1846.
Signs and symptoms
Beau's ... |
https://en.wikipedia.org/wiki/Statistical%20time-division%20multiplexing | Statistical multiplexing is a type of communication link sharing, very similar to dynamic bandwidth allocation (DBA). In statistical multiplexing, a communication channel is divided into an arbitrary number of variable bitrate digital channels or data streams. The link sharing is adapted to the instantaneous traffic de... |
https://en.wikipedia.org/wiki/Banks%E2%80%93Zaks%20fixed%20point | In quantum chromodynamics (and also N = 1 super quantum chromodynamics) with massless flavors, if the number of flavors, Nf, is sufficiently small (i.e. small enough to guarantee asymptotic freedom, depending on the number of colors), the theory can flow to an interacting conformal fixed point of the renormalization gr... |
https://en.wikipedia.org/wiki/Isotropic%20bands | In physiology, isotropic bands (better known as I bands) are the lighter bands of skeletal muscle cells (a.k.a. muscle fibers). Isotropic bands contain only actin-containing thin filaments.
The darker bands are called anisotropic bands (A bands). Together the I-bands and A-bands contribute to the striated appearance ... |
https://en.wikipedia.org/wiki/Passive%20infrared%20sensor | A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors. PIR sensors are commonly used in security alarms and automatic lighting applications.
PIR sensors detect general moveme... |
https://en.wikipedia.org/wiki/Tuple%20space | A tuple space is an implementation of the associative memory paradigm for parallel/distributed computing. It provides a repository of tuples that can be accessed concurrently. As an illustrative example, consider that there are a group of processors that produce pieces of data and a group of processors that use the da... |
https://en.wikipedia.org/wiki/NetStumbler | NetStumbler (also known as Network Stumbler) was a tool for Windows that facilitates detection of Wireless LANs using the 802.11b, 802.11a and 802.11g WLAN standards. It runs on Microsoft Windows operating systems from Windows 2000 to Windows XP. A trimmed-down version called MiniStumbler is available for the handheld ... |
https://en.wikipedia.org/wiki/Red%20edge | Red edge refers to the region of rapid change in reflectance of vegetation in the near infrared range of the electromagnetic spectrum. Chlorophyll contained in vegetation absorbs most of the light in the visible part of the spectrum but becomes almost transparent at wavelengths greater than 700 nm. The cellular structu... |
https://en.wikipedia.org/wiki/Whitehead%20link | In knot theory, the Whitehead link, named for J. H. C. Whitehead, is one of the most basic links. It can be drawn as an alternating link with five crossings, from the overlay of a circle and a figure-eight shaped loop.
Structure
A common way of describing this knot is formed by overlaying a figure-eight shaped loop w... |
https://en.wikipedia.org/wiki/5-Nitro-2-propoxyaniline | 5-Nitro-2-propoxyaniline, also known as P-4000 and Ultrasüss, is about 4,000 times the intensity of sucrose (hence its alternate name, P-4000). It is an orange solid that is only slightly soluble in water. It is stable in boiling water and dilute acids. 5-Nitro-2-propoxyaniline was once used as an artificial sweetene... |
https://en.wikipedia.org/wiki/Circular%20sector | A circular sector, also known as circle sector or disk sector (symbol: ⌔), is the portion of a disk (a closed region bounded by a circle) enclosed by two radii and an arc, with the smaller area being known as the minor sector and the larger being the major sector. In the diagram, is the central angle, the radius of t... |
https://en.wikipedia.org/wiki/Facial%20symmetry | Facial symmetry is one specific measure of bodily symmetry. Along with traits such as averageness and youthfulness it influences judgments of aesthetic traits of physical attractiveness and beauty. For instance, in mate selection, people have been shown to have a preference for symmetry.
Facial bilateral symmetry is t... |
https://en.wikipedia.org/wiki/Social%20behavior | Social behavior is behavior among two or more organisms within the same species, and encompasses any behavior in which one member affects the other. This is due to an interaction among those members. Social behavior can be seen as similar to an exchange of goods, with the expectation that when you give, you will receiv... |
https://en.wikipedia.org/wiki/Radiosensitivity | Radiosensitivity is the relative susceptibility of cells, tissues, organs or organisms to the harmful effect of ionizing radiation.
Cells types affected
Cells are least sensitive when in the S phase, then the G1 phase, then the G2 phase, and most sensitive in the M phase of the cell cycle. This is described by the 'la... |
https://en.wikipedia.org/wiki/Large%20sieve | The large sieve is a method (or family of methods and related ideas) in analytic number theory. It is a type of sieve where up to half of all residue classes of numbers are removed, as opposed to small sieves such as the Selberg sieve wherein only a few residue classes are removed. The method has been further heightene... |
https://en.wikipedia.org/wiki/Department%20of%20Defense%20Architecture%20Framework | The Department of Defense Architecture Framework (DoDAF) is an architecture framework for the United States Department of Defense (DoD) that provides visualization infrastructure for specific stakeholders concerns through viewpoints organized by various views. These views are artifacts for visualizing, understanding, a... |
https://en.wikipedia.org/wiki/Data%20General/One | The Data General/One (DG-1) was a laptop introduced in 1984 by Data General.
Description
The nine-pound battery-powered 1984 Data General/One ran MS-DOS and had dual 3.5" diskettes, a 79-key full-stroke keyboard, 128 KB to 512 KB of RAM, and a monochrome LCD screen capable of either the standard 80×25 characters or fu... |
https://en.wikipedia.org/wiki/Cartan%E2%80%93K%C3%A4hler%20theorem | In mathematics, the Cartan–Kähler theorem is a major result on the integrability conditions for differential systems, in the case of analytic functions, for differential ideals . It is named for Élie Cartan and Erich Kähler.
Meaning
It is not true that merely having contained in is sufficient for integrability. Ther... |
https://en.wikipedia.org/wiki/Extended%20affix%20grammar | In computer science, extended affix grammars (EAGs) are a formal grammar formalism for describing the context free and context sensitive syntax of language, both natural language and programming languages.
EAGs are a member of the family of two-level grammars; more specifically, a restriction of Van Wijngaarden gramma... |
https://en.wikipedia.org/wiki/Hypervelocity | Hypervelocity is very high velocity, approximately over 3,000 meters per second (6,700 mph, 11,000 km/h, 10,000 ft/s, or Mach 8.8). In particular, hypervelocity is velocity so high that the strength of materials upon impact is very small compared to inertial stresses. Thus, metals and fluids behave alike under hypervel... |
https://en.wikipedia.org/wiki/Video%20game%20clone | A video game clone is either a video game or a video game console very similar to, or heavily inspired by, a previous popular game or console. Clones are typically made to take financial advantage of the popularity of the cloned game or system, but clones may also result from earnest attempts to create homages or expan... |
https://en.wikipedia.org/wiki/Percentage%20point | A percentage point or percent point is the unit for the arithmetic difference between two percentages. For example, moving up from 40 percent to 44 percent is an increase of 4 percentage points (although it is a 10-percent increase in the quantity being measured, if the total amount remains the same). In written text, ... |
https://en.wikipedia.org/wiki/IP%20traceback | IP traceback is any method for reliably determining the origin of a packet on the Internet. The IP protocol does not provide for the authentication of the source IP address of an IP packet, enabling the source address to be falsified in a strategy called IP address spoofing, and creating potential internet security and... |
https://en.wikipedia.org/wiki/Fluctuating%20asymmetry | Fluctuating asymmetry (FA), is a form of biological asymmetry, along with anti-symmetry and direction asymmetry. Fluctuating asymmetry refers to small, random deviations away from perfect bilateral symmetry. This deviation from perfection is thought to reflect the genetic and environmental pressures experienced through... |
https://en.wikipedia.org/wiki/Professional%20Graphics%20Controller | Professional Graphics Controller (PGC, often called Professional Graphics Adapter and sometimes Professional Graphics Array) is a graphics card manufactured by IBM for PCs. It consists of three interconnected PCBs, and contains its own processor and memory. The PGC was, at the time of its release, the most advanced gra... |
https://en.wikipedia.org/wiki/Upper%20memory%20area | In DOS memory management, the upper memory area (UMA) is the memory between the addresses of 640 KB and 1024 KB (0xA0000–0xFFFFF) in an IBM PC or compatible. IBM reserved the uppermost 384 KB of the 8088 CPU's 1024 KB address space for BIOS ROM, Video BIOS, Option ROMs, video RAM, RAM on peripherals, memory-mapped I/O,... |
https://en.wikipedia.org/wiki/NEC%20SX | NEC SX describes a series of vector supercomputers designed, manufactured, and marketed by NEC. This computer series is notable for providing the first computer to exceed 1 gigaflop, as well as the fastest supercomputer in the world between 1992–1993, and 2002–2004. The current model, as of 2018, is the SX-Aurora TSUBA... |
https://en.wikipedia.org/wiki/List%20of%20backup%20software | This is a list of notable backup software that performs data backups. Archivers, transfer protocols, and version control systems are often used for backups but only software focused on backup is listed here. See Comparison of backup software for features.
Free and open-source software
Commercial and closed-source sof... |
https://en.wikipedia.org/wiki/Saucisson%20%28pyrotechnics%29 | In early military engineering, a saucisson (French for a large, dry-filled sausage) was a primitive type of fuse, consisting of a long tube or hose of cloth or leather, typically about an inch and half in diameter (37 mm), damp-proofed with pitch and filled with black powder. It was normally laid in a protective wooden... |
https://en.wikipedia.org/wiki/Aptamer | Aptamers are short sequences of artificial DNA, RNA, XNA, or peptide that bind a specific target molecule, or family of target molecules. They exhibit a range of affinities (KD in the pM to μM range), with variable levels of off-target binding and are sometimes classified as chemical antibodies. Aptamers and antibodies... |
https://en.wikipedia.org/wiki/Weil%E2%80%93Ch%C3%A2telet%20group | In arithmetic geometry, the Weil–Châtelet group or WC-group of an algebraic group such as an abelian variety A defined over a field K is the abelian group of principal homogeneous spaces for A, defined over K. named it for who introduced it for elliptic curves, and , who introduced it for more general groups. It pla... |
https://en.wikipedia.org/wiki/Selmer%20group | In arithmetic geometry, the Selmer group, named in honor of the work of by , is a group constructed from an isogeny of abelian varieties.
The Selmer group of an isogeny
The Selmer group of an abelian variety A with respect to an isogeny f : A → B of abelian varieties can be defined in terms of Galois cohomology as
... |
https://en.wikipedia.org/wiki/Electronic%20organizer | An electronic organizer (or electric organizer) is a small calculator-sized computer, often with an built-in diary application and other functions such as an address book and calendar, replacing paper-based personal organizers. Typically, it has a small alphanumeric keypad and an LCD screen of one, two, or three lines.... |
https://en.wikipedia.org/wiki/Bidirectional%20Forwarding%20Detection | Bidirectional Forwarding Detection (BFD) is a network protocol that is used to detect faults between two routers or switches connected by a link. It provides low-overhead detection of faults even on physical media that doesn't support failure detection of any kind, such as Ethernet, virtual circuits, tunnels and MPLS l... |
https://en.wikipedia.org/wiki/Secretary%20problem | The secretary problem demonstrates a scenario involving optimal stopping theory that is studied extensively in the fields of applied probability, statistics, and decision theory. It is also known as the marriage problem, the sultan's dowry problem, the fussy suitor problem, the googol game, and the best choice problem.... |
https://en.wikipedia.org/wiki/Hierarchical%20storage%20management | Hierarchical storage management (HSM), also known as Tiered storage, is a data storage and Data management technique that automatically moves data between high-cost and low-cost storage media. HSM systems exist because high-speed storage devices, such as solid state drive arrays, are more expensive (per byte stored) th... |
https://en.wikipedia.org/wiki/De%20architectura | (On architecture, published as Ten Books on Architecture) is a treatise on architecture written by the Roman architect and military engineer Marcus Vitruvius Pollio and dedicated to his patron, the emperor Caesar Augustus, as a guide for building projects. As the only treatise on architecture to survive from antiquity,... |
https://en.wikipedia.org/wiki/Scattering%20parameters | Scattering parameters or S-parameters (the elements of a scattering matrix or S-matrix) describe the electrical behavior of linear electrical networks when undergoing various steady state stimuli by electrical signals.
The parameters are useful for several branches of electrical engineering, including electronics, com... |
https://en.wikipedia.org/wiki/Three-state%20logic | In digital electronics, a tri-state or three-state buffer is a type of digital buffer that has three stable states: a high output state, a low output state, and a high-impedance state. In the high-impedance state, the output of the buffer is disconnected from the output bus, allowing other devices to drive the bus with... |
https://en.wikipedia.org/wiki/Cryptochrome | Cryptochromes (from the Greek κρυπτός χρώμα, "hidden colour") are a class of flavoproteins found in plants and animals that are sensitive to blue light. They are involved in the circadian rhythms and the sensing of magnetic fields in a number of species. The name cryptochrome was proposed as a portmanteau combining the... |
https://en.wikipedia.org/wiki/Phototropin | Phototropins are photoreceptor proteins (more specifically, flavoproteins) that mediate phototropism responses in various species of algae, fungi and higher plants. Phototropins can be found throughout the leaves of a plant. Along with cryptochromes and phytochromes they allow plants to respond and alter their growth i... |
https://en.wikipedia.org/wiki/N%2CN%27-Dicyclohexylcarbodiimide | {{DISPLAYTITLE:N,N'''-Dicyclohexylcarbodiimide}}
is an organic compound with the chemical formula (C6H11N)2C. It is a waxy white solid with a sweet odor. Its primary use is to couple amino acids during artificial peptide synthesis. The low melting point of this material allows it to be melted for easy handling. It ... |
https://en.wikipedia.org/wiki/Hydroxyl%20tagging%20velocimetry | Hydroxyl tagging velocimetry (HTV) is a velocimetry method used in humid air flows. The
method is often used in high-speed combusting flows because the high velocity and temperature
accentuate its advantages over similar methods. HTV uses a laser (often an argon-fluoride
excimer laser operating at ~193 nm) to dissocia... |
https://en.wikipedia.org/wiki/Anti-replay | Anti-replay is a sub-protocol of IPsec that is part of Internet Engineering Task Force (IETF). The main goal of anti-replay is to avoid hackers injecting or making changes in packets that travel from a source to a destination. Anti-replay protocol uses a unidirectional security association in order to establish a secur... |
https://en.wikipedia.org/wiki/IPSANET | IPSANET was a packet switching network written by I. P. Sharp Associates (IPSA). Operation began in May 1976. It initially used the IBM 3705 Communications Controller and Computer Automation LSI-2 computers as nodes. An Intel 80286 based-node was added in 1987. It was called the Beta node.
The original purpose was... |
https://en.wikipedia.org/wiki/Wilson%20quotient | The Wilson quotient W(p) is defined as:
If p is a prime number, the quotient is an integer by Wilson's theorem; moreover, if p is composite, the quotient is not an integer. If p divides W(p), it is called a Wilson prime. The integer values of W(p) are :
W(2) = 1
W(3) = 1
W(5) = 5
W(7) = 103
W(11) = 329891
W(13)... |
https://en.wikipedia.org/wiki/ATA%20over%20Ethernet | ATA over Ethernet (AoE) is a network protocol developed by the Brantley Coile Company, designed for simple, high-performance access of block storage devices over Ethernet networks. It is used to build storage area networks (SANs) with low-cost, standard technologies.
Protocol description
AoE runs on layer 2 Ethernet.... |
https://en.wikipedia.org/wiki/Depletion%20region | In semiconductor physics, the depletion region, also called depletion layer, depletion zone, junction region, space charge region or space charge layer, is an insulating region within a conductive, doped semiconductor material where the mobile charge carriers have been diffused away, or have been forced away by an elec... |
https://en.wikipedia.org/wiki/Belief%E2%80%93desire%E2%80%93intention%20software%20model | The belief–desire–intention software model (BDI) is a software model developed for programming intelligent agents. Superficially characterized by the implementation of an agent's beliefs, desires and intentions, it actually uses these concepts to solve a particular problem in agent programming. In essence, it provides ... |
https://en.wikipedia.org/wiki/Aquatic%20ecosystem | An aquatic ecosystem is an ecosystem found in and around a body of water, in contrast to land-based terrestrial ecosystems. Aquatic ecosystems contain communities of organisms—aquatic life—that are dependent on each other and on their environment. The two main types of aquatic ecosystems are marine ecosystems and fresh... |
https://en.wikipedia.org/wiki/Generalized%20method%20of%20moments | In econometrics and statistics, the generalized method of moments (GMM) is a generic method for estimating parameters in statistical models. Usually it is applied in the context of semiparametric models, where the parameter of interest is finite-dimensional, whereas the full shape of the data's distribution function ma... |
https://en.wikipedia.org/wiki/Skew%20lines | In three-dimensional geometry, skew lines are two lines that do not intersect and are not parallel. A simple example of a pair of skew lines is the pair of lines through opposite edges of a regular tetrahedron. Two lines that both lie in the same plane must either cross each other or be parallel, so skew lines can exi... |
https://en.wikipedia.org/wiki/Flue%20gas | Flue gas is the gas exiting to the atmosphere via a flue, which is a pipe or channel for conveying exhaust gases, as from a fireplace, oven, furnace, boiler or steam generator. It often refers to the exhaust gas of combustion at power plants. Technology is available to remove pollutants from flue gas at power plants.
... |
https://en.wikipedia.org/wiki/Evil%20bit | The evil bit is a fictional IPv4 packet header field proposed in a humorous April Fools' Day RFC from 2003, authored by Steve Bellovin. The Request for Comments recommended that the last remaining unused bit, the "Reserved Bit" in the IPv4 packet header, be used to indicate whether a packet had been sent with malicious... |
https://en.wikipedia.org/wiki/Divergent%20evolution | Divergent evolution or divergent selection is the accumulation of differences between closely related populations within a species, sometimes leading to speciation. Divergent evolution is typically exhibited when two populations become separated by a geographic barrier (such as in allopatric or peripatric speciation) a... |
https://en.wikipedia.org/wiki/Littlewood%E2%80%93Offord%20problem | In mathematical field of combinatorial geometry, the Littlewood–Offord problem is the problem of determining the number of subsums of a set of vectors that fall in a given convex set. More formally, if V is a vector space of dimension d, the problem is to determine, given a finite subset of vectors S and a convex subse... |
https://en.wikipedia.org/wiki/IEEE%20Transactions%20on%20Information%20Theory | IEEE Transactions on Information Theory is a monthly peer-reviewed scientific journal published by the IEEE Information Theory Society. It covers information theory and the mathematics of communications. It was established in 1953 as IRE Transactions on Information Theory. The editor-in-chief is Muriel Médard (Massachu... |
https://en.wikipedia.org/wiki/Impunity%20game | The impunity game is a simple game in experimental economics, similar to the Dictator Game.
The first player "the proposer" chooses between two possible divisions of some endowment (such as a cash prize):
The first choice will be a very unequal division, giving most of the endowment to herself, and sharing little wi... |
https://en.wikipedia.org/wiki/Simple%20Network%20Paging%20Protocol | Simple Network Paging Protocol (SNPP) is a protocol that defines a method by which a pager can receive a message over the Internet. It is supported by most major paging providers, and serves as an alternative to the paging modems used by many telecommunications services. The protocol was most recently described in . ... |
https://en.wikipedia.org/wiki/Rapoport%27s%20rule | Rapoport's rule is an ecogeographical rule that states that latitudinal ranges of plants and animals are generally smaller at lower latitudes than at higher latitudes.
Background
Stevens (1989) named the rule after Eduardo H. Rapoport, who had earlier provided evidence for the phenomenon for subspecies of mammals (Ra... |
https://en.wikipedia.org/wiki/Crossed%20module | In mathematics, and especially in homotopy theory, a crossed module consists of groups and , where acts on by automorphisms (which we will write on the left, , and a homomorphism of groups
that is equivariant with respect to the conjugation action of on itself:
and also satisfies the so-called Peiffer ide... |
https://en.wikipedia.org/wiki/Conic%20constant | In geometry, the conic constant (or Schwarzschild constant, after Karl Schwarzschild) is a quantity describing conic sections, and is represented by the letter K. The constant is given by where is the eccentricity of the conic section.
The equation for a conic section with apex at the origin and tangent to the y ax... |
https://en.wikipedia.org/wiki/Teleoperation | Teleoperation (or remote operation) indicates operation of a system or machine at a distance. It is similar in meaning to the phrase "remote control" but is usually encountered in research, academia and technology. It is most commonly associated with robotics and mobile robots but can be applied to a whole range of c... |
https://en.wikipedia.org/wiki/Tyan | Tyan Computer Corporation (泰安電腦科技股份有限公司; also known as Tyan Business Unit, or TBU) is a subsidiary of MiTAC International, and a manufacturer of computer motherboards, including models for both AMD and Intel processors. They develop and produce high-end server, SMP, and desktop barebones systems as well as provide desi... |
https://en.wikipedia.org/wiki/SIGTRAN | SIGTRAN is the name, derived from signaling transport, of the former Internet Task Force (I) working group that produced specifications for a family of protocols that provide reliable datagram service and user layer adaptations for Signaling System and ISDN communications protocols. The SIGTRAN protocols are an exten... |
https://en.wikipedia.org/wiki/CableACE%20Award | The CableACE Award (earlier known as the ACE Awards; ACE was an acronym for "Award for Cable Excellence") is a defunct award that was given by what was then the National Cable Television Association from 1978 to 1997 to honor excellence in American cable television programming. The trophy itself was shaped as a glass s... |
https://en.wikipedia.org/wiki/Epitaxial%20wafer | An epitaxial wafer (also called epi wafer, epi-wafer, or epiwafer) is a wafer of semiconducting material made by epitaxial growth (epitaxy) for use in photonics, microelectronics, spintronics, or photovoltaics. The epi layer may be the same material as the substrate, typically monocrystaline silicon, or it may be a sil... |
https://en.wikipedia.org/wiki/Latin%20letters%20used%20in%20mathematics%2C%20science%2C%20and%20engineering | Many letters of the Latin alphabet, both capital and small, are used in mathematics, science, and engineering to denote by convention specific or abstracted constants, variables of a certain type, units, multipliers, or physical entities. Certain letters, when combined with special formatting, take on special meaning.
... |
https://en.wikipedia.org/wiki/Two-fluid%20model | Two-fluid model is a macroscopic traffic flow model to represent traffic in a town/city or metropolitan area, put forward in the 1970s by Ilya Prigogine and Robert Herman.
There is also a two-fluid model which helps explain the behavior of superfluid helium. This model states that there will be two components in liqu... |
https://en.wikipedia.org/wiki/Color%20model | A color model is an abstract mathematical model describing the way colors can be represented as tuples of numbers, typically as three or four values or color components. When this model is associated with a precise description of how the components are to be interpreted (viewing conditions, etc.), taking account of vis... |
https://en.wikipedia.org/wiki/Socket%205 | Socket 5 was created for the second generation of Intel P5 Pentium processors operating at speeds from 75 to 133 MHz as well as certain Pentium OverDrive and Pentium MMX processors with core voltage 3.3 V. It superseded the earlier Socket 4. It was released in March 1994. Consisting of 320 pins, this was the first sock... |
https://en.wikipedia.org/wiki/SMIF%20%28interface%29 | SMIF (Standard Mechanical Interface) is an isolation technology developed in the 1980s by a group known as the "micronauts" at Hewlett-Packard in Palo Alto. The system is used in semiconductor wafer fabrication and cleanroom environments. It is a SEMI standard.
Development
The core development team was led by Ulrich K... |
https://en.wikipedia.org/wiki/ShadowCrew | ShadowCrew was a cybercrime forum that operated under the domain name ShadowCrew.com between August 2002 and November 2004.
Origins
The concept of the ShadowCrew was developed in early 2002 during a series of chat sessions between Brett Johnson (GOllumfun), Seth Sanders (Kidd), and Kim Marvin Taylor (MacGayver). The S... |
https://en.wikipedia.org/wiki/Torricelli%27s%20equation | In physics, Torricelli's equation, or Torricelli's formula, is an equation created by Evangelista Torricelli to find the final velocity of a moving object with constant acceleration along an axis (for example, the x axis) without having a known time interval.
The equation itself is:
where
is the object's final veloc... |
https://en.wikipedia.org/wiki/Hatching | Hatching () is an artistic technique used to create tonal or shading effects by drawing (or painting or scribing) closely spaced parallel lines. When lines are placed at an angle to one another, it is called cross-hatching. Hatching is also sometimes used to encode colours in monochromatic representations of colour i... |
https://en.wikipedia.org/wiki/Deep-level%20trap | Deep-level traps or deep-level defects are a generally undesirable type of electronic defect in semiconductors. They are "deep" in the sense that the energy required to remove an electron or hole from the trap to the valence or conduction band is much larger than the characteristic thermal energy kT, where k is the Bol... |
https://en.wikipedia.org/wiki/Benchmark%20%28computing%29 | In computing, a benchmark is the act of running a computer program, a set of programs, or other operations, in order to assess the relative performance of an object, normally by running a number of standard tests and trials against it.
The term benchmark is also commonly utilized for the purposes of elaborately designe... |
https://en.wikipedia.org/wiki/XrML | XrML is the eXtensible Rights Markup Language which has also been standardized as the Rights Expression Language (REL) for MPEG-21. XrML is owned by ContentGuard.
XrML is based on XML and describes rights, fees and conditions together with message integrity and entity authentication information.
History and developm... |
https://en.wikipedia.org/wiki/The%20Tower%20of%20Druaga | is a 1984 arcade action role-playing maze game developed and published in Japan by Namco. Controlling the golden-armored knight Gilgamesh, the player is tasked with scaling 60 floors of the titular tower in an effort to rescue the maiden Ki from Druaga, a demon with eight arms and four legs, who plans to use an artifac... |
https://en.wikipedia.org/wiki/SpaceWire | SpaceWire is a spacecraft communication network based in part on the IEEE 1355 standard of communications. It is coordinated by the European Space Agency (ESA) in collaboration with international space agencies including NASA, JAXA, and RKA.
Within a SpaceWire network the nodes are connected through low-cost, low-lat... |
https://en.wikipedia.org/wiki/Weather%20Underground%20%28weather%20service%29 | Weather Underground is a commercial weather service providing real-time weather information over the Internet. Weather Underground provides weather reports for most major cities around the world on its Web site, as well as local weather reports for newspapers and third-party sites. Its information comes from the Nation... |
https://en.wikipedia.org/wiki/Push%20technology | Push technology or server push is a style of Internet-based communication where the request for a given transaction is initiated by the publisher or central server. It is contrasted with pull, or get, where the request for the transmission of information is initiated by the receiver or client.
Push services are often ... |
https://en.wikipedia.org/wiki/Partition%20%28database%29 | A partition is a division of a logical database or its constituent elements into distinct independent parts. Database partitioning is normally done for manageability, performance or availability reasons, or for load balancing. It is popular in distributed database management systems, where each partition may be spread ... |
https://en.wikipedia.org/wiki/Flat-field%20correction | Flat-field correction (FFC) is a digital imaging technique to mitigate the image detector pixel-to-pixel sensitivity and distortions in the optical path. It is a standard calibration procedure in everything from personal digital cameras to large telescopes.
Overview
Flat fielding refers to the process of compensating ... |
https://en.wikipedia.org/wiki/Air%20interface | The air interface, or access mode, is the communication link between the two stations in mobile or wireless communication. The air interface involves both the physical and data link layers (layer 1 and 2) of the OSI model for a connection.
Physical Layer
The physical connection of an air interface is generally radio-b... |
https://en.wikipedia.org/wiki/148%20%28number%29 | 148 (one hundred [and] forty-eight) is the natural number following 147 and before 149.
In mathematics
148 is the second number to be both a heptagonal number and a centered heptagonal number (the first is 1). It is the twelfth member of the Mian–Chowla sequence, the lexicographically smallest sequence of distinct pos... |
https://en.wikipedia.org/wiki/Nukernel | NuKernel is a microkernel which was developed at Apple Computer during the early 1990s. Written from scratch and designed using concepts from the Mach 3.0 microkernel, with extensive additions for soft real-time scheduling to improve multimedia performance, it was the basis for the Copland operating system. Only one Nu... |
https://en.wikipedia.org/wiki/F-coalgebra | In mathematics, specifically in category theory, an -coalgebra is a structure defined according to a functor , with specific properties as defined below. For both algebras and coalgebras, a functor is a convenient and general way of organizing a signature. This has applications in computer science: examples of coalgeb... |
https://en.wikipedia.org/wiki/Frequency%20changer | A frequency changer or frequency converter is an electronic or electromechanical device that converts alternating current (AC) of one frequency to alternating current of another frequency. The device may also change the voltage, but if it does, that is incidental to its principal purpose, since voltage conversion of al... |
https://en.wikipedia.org/wiki/Biomineralization | Biomineralization, also written biomineralisation, is the process by which living organisms produce minerals, often resulting in hardened or stiffened mineralized tissues. It is an extremely widespread phenomenon: all six taxonomic kingdoms contain members that are able to form minerals, and over 60 different minerals ... |
https://en.wikipedia.org/wiki/Aleph%20kernel | Aleph is a discontinued operating system kernel developed at the University of Rochester as part of their Rochester's Intelligent Gateway (RIG) project in 1975. Aleph was an early step on the road to the creation of the first practical microkernel operating system, Mach.
Aleph used inter-process communications to move... |
https://en.wikipedia.org/wiki/User%20operation%20prohibition | The user operation prohibition (abbreviated UOP) is a form of use restriction used on video DVD discs and Blu-ray discs. Most DVD players and Blu-ray players prohibit the viewer from performing a large majority of actions during sections of a DVD that are protected or restricted by this feature, and will display the no... |
https://en.wikipedia.org/wiki/Contract%20research%20organization | In the life sciences, a contract research organization (CRO) is a company that provides support to the pharmaceutical, biotechnology, and medical device industries in the form of research services outsourced on a contract basis. A CRO may provide such services as biopharmaceutical development, biological assay develo... |
https://en.wikipedia.org/wiki/Equivalent%20annual%20cost | In finance, the equivalent annual cost (EAC) is the cost per year of owning and operating an asset over its entire lifespan. It is calculated by dividing the negative NPV of a project by the "present value of annuity factor":
, where
where r is the annual interest rate and
t is the number of years.
Alternatively, ... |
https://en.wikipedia.org/wiki/Gelfond%27s%20constant | In mathematics, Gelfond's constant, named after Aleksandr Gelfond, is , that is, raised to the power . Like both and , this constant is a transcendental number. This was first established by Gelfond and may now be considered as an application of the Gelfond–Schneider theorem, noting that
where is the imaginary uni... |
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