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https://en.wikipedia.org/wiki/Telegrapher%27s%20equations
The telegrapher's equations (or just telegraph equations) are a set of two coupled, linear equations that predict the voltage and current distributions on a linear electrical transmission line. The equations are important because they allow transmission lines to be analyzed using circuit theory. The equations and thei...
https://en.wikipedia.org/wiki/Ethics%20of%20terraforming
The ethics of terraforming has constituted a philosophical debate within biology, ecology, and environmental ethics as to whether terraforming other worlds is an ethical endeavor. Support On the pro-terraforming side of the argument, there are those like Robert Zubrin and Richard L. S. Taylor who believe that it is hu...
https://en.wikipedia.org/wiki/Distributed%20System%20Security%20Architecture
Distributed System Security Architecture or (DSSA) is a computer security architecture that provides a suite of functions including login, authentication, and access control in a distributed system. To differ from other similar architectures, the DSSA architecture offers the ability to access all these functions withou...
https://en.wikipedia.org/wiki/HRU%20%28security%29
The HRU security model (Harrison, Ruzzo, Ullman model) is an operating system level computer security model which deals with the integrity of access rights in the system. It is an extension of the Graham-Denning model, based around the idea of a finite set of procedures being available to edit the access rights of a su...
https://en.wikipedia.org/wiki/TUNIS
TUNIS (Toronto University System) was a Unix-like operating system, developed at the University of Toronto in the early 1980s. TUNIS was a portable operating system compatible with Unix V7, but with a completely redesigned kernel, written in Concurrent Euclid. Programs that ran under Unix V7 could be run under TUNIS wi...
https://en.wikipedia.org/wiki/Biodiversity%20and%20drugs
Biodiversity plays a vital role in maintaining human and animal health. Numerous plants, animals, and fungi are used in medicine, as well as to produce vital vitamins, painkillers, and other things. Natural products have been recognized and used as medicines by ancient cultures all around the world. Many animals are al...
https://en.wikipedia.org/wiki/AT%26T%20UNIX%20PC
The AT&T UNIX PC is a Unix desktop computer originally developed by Convergent Technologies (later acquired by Unisys), and marketed by AT&T Information Systems in the mid- to late-1980s. The system was codenamed "Safari 4" and is also known as the PC 7300, and often dubbed the "3B1". Despite the latter name, the syste...
https://en.wikipedia.org/wiki/Screen%20protector
A screen protector is an additional sheet of material—commonly polyurethane or laminated glass—that can be attached to the screen of an electronic device and protect it against physical damage. History The first screen protector was designed and patented by Herbert Schlegel in 1968 for use on television screens. Scr...
https://en.wikipedia.org/wiki/Waste%20heat
Waste heat is heat that is produced by a machine, or other process that uses energy, as a byproduct of doing work. All such processes give off some waste heat as a fundamental result of the laws of thermodynamics. Waste heat has lower utility (or in thermodynamics lexicon a lower exergy or higher entropy) than the orig...
https://en.wikipedia.org/wiki/Math%20circle
A math circle is a learning space where participants engage in the depths and intricacies of mathematical thinking, propagate the culture of doing mathematics, and create knowledge. To reach these goals, participants partake in problem-solving, mathematical modeling, the practice of art, and philosophical discourse. So...
https://en.wikipedia.org/wiki/Error%20exponent
In information theory, the error exponent of a channel code or source code over the block length of the code is the rate at which the error probability decays exponentially with the block length of the code. Formally, it is defined as the limiting ratio of the negative logarithm of the error probability to the block le...
https://en.wikipedia.org/wiki/Scratchpad%20memory
Scratchpad memory (SPM), also known as scratchpad, scratchpad RAM or local store in computer terminology, is an internal memory, usually high-speed, used for temporary storage of calculations, data, and other work in progress. In reference to a microprocessor (or CPU), scratchpad refers to a special high-speed memory u...
https://en.wikipedia.org/wiki/Pattern%20hair%20loss
Pattern hair loss (also known as androgenetic alopecia (AGA)) is a hair loss condition that primarily affects the top and front of the scalp. In male-pattern hair loss (MPHL), the hair loss typically presents itself as either a receding front hairline, loss of hair on the crown (vertex) of the scalp, or a combination o...
https://en.wikipedia.org/wiki/Robert%20A.%20Jarrow
Robert Alan Jarrow is the Ronald P. and Susan E. Lynch Professor of Investment Management at the Johnson Graduate School of Management, Cornell University. Professor Jarrow is a co-creator of the Heath–Jarrow–Morton framework for pricing interest rate derivatives, a co-creator of the reduced form Jarrow–Turnbull cred...
https://en.wikipedia.org/wiki/BrainMaps
BrainMaps is an NIH-funded interactive zoomable high-resolution digital brain atlas and virtual microscope that is based on more than 140 million megapixels (140 terabytes) of scanned images of serial sections of both primate and non-primate brains and that is integrated with a high-speed database for querying and retr...
https://en.wikipedia.org/wiki/Frequency%20band
A frequency band is an interval in the frequency domain, delimited by a lower frequency and an upper frequency. The term may refer to a radio band (such as wireless communication standards set by the International Telecommunication Union) or an interval of some other spectrum. The frequency range of a system is the ra...
https://en.wikipedia.org/wiki/Langevin%20dynamics
In physics, Langevin dynamics is an approach to the mathematical modeling of the dynamics of molecular systems. It was originally developed by French physicist Paul Langevin. The approach is characterized by the use of simplified models while accounting for omitted degrees of freedom by the use of stochastic differenti...
https://en.wikipedia.org/wiki/Choi%27s%20theorem%20on%20completely%20positive%20maps
In mathematics, Choi's theorem on completely positive maps is a result that classifies completely positive maps between finite-dimensional (matrix) C*-algebras. An infinite-dimensional algebraic generalization of Choi's theorem is known as Belavkin's "Radon–Nikodym" theorem for completely positive maps. Statement Cho...
https://en.wikipedia.org/wiki/Sorbitan%20monostearate
Sorbitan monostearate is an ester of sorbitan (a sorbitol derivative) and stearic acid and is sometimes referred to as a synthetic wax. Uses Sorbitan monostearate is used in the manufacture of food and healthcare products as a non-ionic surfactant with emulsifying, dispersing, and wetting properties. It is also employ...
https://en.wikipedia.org/wiki/Container%20%28abstract%20data%20type%29
In computer science, a container is a class or a data structure<ref>Paul E. Black (ed.), entry for data structure in Dictionary of Algorithms and Data Structures. US National Institute of Standards and Technology.15 December 2004. Accessed 4 Oct 2011.</ref> whose instances are collections of other objects. In other wor...
https://en.wikipedia.org/wiki/Butson-type%20Hadamard%20matrix
In mathematics, a complex Hadamard matrix H of size N with all its columns (rows) mutually orthogonal, belongs to the Butson-type H(q, N) if all its elements are powers of q-th root of unity, Existence If p is prime and , then can exist only for with integer m and it is conjectured they exist for all such cases ...
https://en.wikipedia.org/wiki/Pierce%20oscillator
The Pierce oscillator is a type of electronic oscillator particularly well-suited for use in piezoelectric crystal oscillator circuits. Named for its inventor, George W. Pierce (1872–1956), the Pierce oscillator is a derivative of the Colpitts oscillator. Virtually all digital IC clock oscillators are of Pierce type, ...
https://en.wikipedia.org/wiki/Medically%20unexplained%20physical%20symptoms
Medically unexplained physical symptoms (MUPS or MUS) are symptoms for which a treating physician or other healthcare providers have found no medical cause, or whose cause remains contested. In its strictest sense, the term simply means that the cause for the symptoms is unknown or disputed—there is no scientific conse...
https://en.wikipedia.org/wiki/Scalar%20field%20theory
In theoretical physics, scalar field theory can refer to a relativistically invariant classical or quantum theory of scalar fields. A scalar field is invariant under any Lorentz transformation. The only fundamental scalar quantum field that has been observed in nature is the Higgs field. However, scalar quantum fields...
https://en.wikipedia.org/wiki/Beta-alumina%20solid%20electrolyte
Beta-alumina solid electrolyte (BASE) is a fast ion conductor material used as a membrane in several types of molten salt electrochemical cell. Currently there is no known substitute available. β-Alumina exhibits an unusual layered crystal structure which enables very fast ion transport. β-Alumina is not an isomorphic ...
https://en.wikipedia.org/wiki/Computable%20ordinal
In mathematics, specifically computability and set theory, an ordinal is said to be computable or recursive if there is a computable well-ordering of a computable subset of the natural numbers having the order type . It is easy to check that is computable. The successor of a computable ordinal is computable, and the...
https://en.wikipedia.org/wiki/Ricoh%202A03
The Ricoh 2A03 or RP2A03 (NTSC version) / Ricoh 2A07 or RP2A07 (PAL version) is an 8-bit microprocessor manufactured by Ricoh for the Nintendo Entertainment System video game console. It was also used as a sound chip and secondary CPU by Nintendo's arcade games Punch-Out!! and Donkey Kong 3. Technical details The Ric...
https://en.wikipedia.org/wiki/Roundness
Roundness is the measure of how closely the shape of an object approaches that of a mathematically perfect circle. Roundness applies in two dimensions, such as the cross sectional circles along a cylindrical object such as a shaft or a cylindrical roller for a bearing. In geometric dimensioning and tolerancing, control...
https://en.wikipedia.org/wiki/Newisys
Newisys was an American technology company. At various times it sold computers for data centers (known as servers), and computer data storage products. It operated as a subsidiary of Sanmina Corporation since 2004. History Newisys was founded in July 2000 by Claymon A. Cipione and Phillip Doyce Hester, both from IBM...
https://en.wikipedia.org/wiki/Piston%20motion%20equations
The reciprocating motion of a non-offset piston connected to a rotating crank through a connecting rod (as would be found in internal combustion engines) can be expressed by equations of motion. This article shows how these equations of motion can be derived using calculus as functions of angle (angle domain) and of ti...
https://en.wikipedia.org/wiki/Conserved%20name
A conserved name or nomen conservandum (plural nomina conservanda, abbreviated as nom. cons.) is a scientific name that has specific nomenclatural protection. That is, the name is retained, even though it violates one or more rules which would otherwise prevent it from being legitimate. Nomen conservandum is a Latin te...
https://en.wikipedia.org/wiki/Oryx/Pecos
Oryx/Pecos is a proprietary operating system developed from scratch by Bell Labs beginning in 1978 for the express purpose of running AT&T's large-scale PBX switching equipment. The operating system was first used with AT&T's flagship System 75, and until very recently, was used in all variations up through and includi...
https://en.wikipedia.org/wiki/Plasma%20cleaning
Plasma cleaning is the removal of impurities and contaminants from surfaces through the use of an energetic plasma or dielectric barrier discharge (DBD) plasma created from gaseous species. Gases such as argon and oxygen, as well as mixtures such as air and hydrogen/nitrogen are used. The plasma is created by using hig...
https://en.wikipedia.org/wiki/MSU%20Faculty%20of%20Mechanics%20and%20Mathematics
The MSU Faculty of Mechanics and Mathematics () is a faculty of Moscow State University. History Although lectures in mathematics had been delivered since Moscow State University was founded in 1755, the mathematical and physical department was founded only in 1804. The Mathematics and Mechanics Department was founde...
https://en.wikipedia.org/wiki/Jean%20Bartik
Jean Bartik ( Betty Jean Jennings; December 27, 1924 – March 23, 2011) was one of the original six programmers for the ENIAC computer. Bartik studied mathematics in school then began work at the University of Pennsylvania, first manually calculating ballistics trajectories and then using ENIAC to do so. The other five...
https://en.wikipedia.org/wiki/Chi%20Epsilon
Chi Epsilon () is an American collegiate civil engineering honor society. It honors engineering students who have exemplified the "principles of scholarship, character, practicality, and sociability...in the civil engineering profession." As of 2023, there are 141 chapters, of which 137 are active, where over 125,000 ...
https://en.wikipedia.org/wiki/IntelliTXT
IntelliTXT is a keyword advertising platform developed by Vibrant Media. Web page publishers insert a script into their pages which calls the IntelliTXT platform when a viewer views the page. This script then finds keywords on the page and double underlines them. When holding the mouse over the double underlined link, ...
https://en.wikipedia.org/wiki/Automatic%20acoustic%20management
Automatic acoustic management (AAM) is a method for reducing acoustic emanations in AT Attachment (ATA) mass storage devices for computer data storage, such as ATA hard disk drives and ATAPI optical disc drives. AAM is an optional feature set for ATA/ATAPI devices; when a device supports AAM, the acoustic management pa...
https://en.wikipedia.org/wiki/RP-570
RP-570 is a communications protocol used in industrial environments to communicate between a front-end computer and the substation to be controlled. It is a SCADA legacy protocol and is based on the low-level protocol IEC TC57, format class 1.2. RP-570 stands for: "RTU Protocol based on IEC 57 part 5-1 (present IEC ...
https://en.wikipedia.org/wiki/Cold%20vapour%20atomic%20fluorescence%20spectroscopy
Cold vapour atomic fluorescence spectroscopy (CVAFS) is a subset of the analytical technique known as atomic fluorescence spectroscopy (AFS). Use for mercury detection Used in the measurement of trace amounts of volatile heavy metals such as mercury, cold vapour AFS makes use of the unique characteristic of mercury th...
https://en.wikipedia.org/wiki/SMS%20Magdeburg
SMS ("His Majesty's Ship ") was a lead ship of the of light cruisers in the German (Imperial Navy). Her class included three other ships: , , and . was built at the AG Weser shipyard in Bremen from 1910 to August 1912, when she was commissioned into the High Seas Fleet. The ship was armed with a main battery of twe...
https://en.wikipedia.org/wiki/Modulo-N%20code
Modulo-N code is a lossy compression algorithm used to compress correlated data sources using modular arithmetic. Compression When applied to two nodes in a network whose data are in close range of each other modulo-N code requires one node (say odd) to send the coded data value as the raw data ; the even node is requ...
https://en.wikipedia.org/wiki/Princess%20Tomato%20in%20the%20Salad%20Kingdom
is a video game by Hudson Soft originally released in 1984 for the NEC PC-8801, NEC PC-6001, FM-7 and MSX Japanese home computers. It was ported on May 27, 1988, to the Famicom, and February 8, 1991 for the Nintendo Entertainment System in North America. It was also released on the Wii's Virtual Console in Japan on Ja...
https://en.wikipedia.org/wiki/Born%20coordinates
In relativistic physics, the Born coordinate chart is a coordinate chart for (part of) Minkowski spacetime, the flat spacetime of special relativity. It is often used to analyze the physical experience of observers who ride on a ring or disk rigidly rotating at relativistic speeds, so called Langevin observers. This ...
https://en.wikipedia.org/wiki/Command%20language
A command language is a language for job control in computing. It is a domain-specific and interpreted language; common examples of a command language are shell or batch programming languages. These languages can be used directly at the command line, but can also automate tasks that would normally be performed manual...
https://en.wikipedia.org/wiki/Network%20Chemistry
Network Chemistry was a Wi-Fi security startup based in Redwood City, California. The firm was founded in 2002 by several co-founders including Gary Ramah, Rob Markovich and Dr. Christopher Waters and is backed by venture capital firms such as San Francisco-based Geneva Venture Partners, Innovacom and In-Q-Tel, the inv...
https://en.wikipedia.org/wiki/Word%20error%20rate
Word error rate (WER) is a common metric of the performance of a speech recognition or machine translation system. The general difficulty of measuring performance lies in the fact that the recognized word sequence can have a different length from the reference word sequence (supposedly the correct one). The WER is der...
https://en.wikipedia.org/wiki/Aladdin%20Knowledge%20Systems
Aladdin Knowledge Systems (formerly and ) was a company that produced software for digital rights management and Internet security. The company was acquired by Safenet Inc, in 2009. Its corporate headquarters are located in Belcamp, MD. History Aladdin Knowledge Systems was founded in 1985 by Jacob (Yanki) Margalit, ...
https://en.wikipedia.org/wiki/StICQ
stICQ is an ICQ client for mobile phones with symbian OS. StICQ was written by the Russian programmer Sergey Taldykin. StICQ is a native Symbian application (.SIS) for instant messaging over Internet for the ICQ network (using the OSCAR protocol). It supports all main statuses including "Not Available", "Invisible" e...
https://en.wikipedia.org/wiki/List%20of%20food%20additives
Food additives are substances added to food to preserve flavor or enhance its taste, appearance, or other qualities. Purposes Additives are used for many purposes but the main uses are: Acids Food acids are added to make flavors "sharper", and also act as preservatives and antioxidants. Common food acids include vi...
https://en.wikipedia.org/wiki/Web%20Services%20Conversation%20Language
The Web Service Conversation Language (WSCL) proposal defines the overall input and output message sequences for one web service using a finite state automaton FSA over the alphabet of message types. External links Web Service Conversation Language (WSCL) proposal Web service specifications World Wide Web Consortium...
https://en.wikipedia.org/wiki/MySociety
mySociety is a UK-based registered charity, previously named UK Citizens Online Democracy. It began as a UK-focused organisation with the aim of making online democracy tools for UK citizens. However, those tools were open source, so that the code could be (and soon was) redeployed in other countries. mySociety went o...
https://en.wikipedia.org/wiki/Lyceum%20TV
The RCA Lyceum TV was a commercial monitor/receiver with a large input/output panel on the back, and a long grounded plug. During the mid-80s, RCA released the Colortrak 2000, a television identical to the Dimensia table-top model. Even though the Colortrak was considered the mid-range model, those bearing the name Co...
https://en.wikipedia.org/wiki/Darboux%20derivative
The Darboux derivative of a map between a manifold and a Lie group is a variant of the standard derivative. It is arguably a more natural generalization of the single-variable derivative. It allows a generalization of the single-variable fundamental theorem of calculus to higher dimensions, in a different vein than the...
https://en.wikipedia.org/wiki/Exception%20safety
Exception safety is the state of code working correctly when exceptions are thrown. To aid in ensuring exception safety, C++ standard library developers have devised a set of exception safety levels, contractual guarantees of the behavior of a data structure's operations with regards to exceptions. Library implementers...
https://en.wikipedia.org/wiki/Profile%20%28engineering%29
In standardization, a profile is a subset internal to a specification. Aspects of a complex technical specification may necessarily have more than one interpretation, and there are probably many optional features. These aspects constitute a profile of the standard. Two implementations engineered from the same descripti...
https://en.wikipedia.org/wiki/Ergun%20equation
The Ergun equation, derived by the Turkish chemical engineer Sabri Ergun in 1952, expresses the friction factor in a packed column as a function of the modified Reynolds number. Equation where and are defined as and where: is the modified Reynolds number, is the packed bed friction factor is the pressure dr...
https://en.wikipedia.org/wiki/Potentially%20Hazardous%20Food
Potentially Hazardous Food is a term used by food safety organizations to classify foods that require time-temperature control to keep them safe for human consumption. A PHF is a food that: Contains moisture – usually regarded as a water activity greater than 0.85 Contains protein Is neutral to slightly acidic – typ...
https://en.wikipedia.org/wiki/Test%20CD
A test CD is a compact disc containing tracks of musical and technical tests and demonstrations. Most of the tracks are made of electronic signals and pure frequencies. The purpose of these specialized compact discs is to make accurate tests and calibrate audio equipment. Releases A wide variety of CD-DA test discs ...
https://en.wikipedia.org/wiki/Efficient%20coding%20hypothesis
The efficient coding hypothesis was proposed by Horace Barlow in 1961 as a theoretical model of sensory coding in the brain. Within the brain, neurons communicate with one another by sending electrical impulses referred to as action potentials or spikes. One goal of sensory neuroscience is to decipher the meaning of ...
https://en.wikipedia.org/wiki/Ruth%20Teitelbaum
Ruth Teitelbaum ( Lichterman; February 1, 1924 – August 9, 1986) was one of the first computer programmers in the world. Teitelbaum was one of the original programmers for the ENIAC computer. The other five ENIAC programmers were Jean Bartik, Betty Holberton, Kathleen Antonelli, Marlyn Meltzer, and Frances Spence. Ea...
https://en.wikipedia.org/wiki/Pastry%20%28DHT%29
Pastry is an overlay network and routing network for the implementation of a distributed hash table (DHT) similar to Chord. The key–value pairs are stored in a redundant peer-to-peer network of connected Internet hosts. The protocol is bootstrapped by supplying it with the IP address of a peer already in the network an...
https://en.wikipedia.org/wiki/Comparison%20of%20open-source%20wireless%20drivers
Wireless network cards for computers require control software to make them function (firmware, device drivers). This is a list of the status of some open-source drivers for 802.11 wireless network cards. Linux Status Driver capabilities DragonFly BSD FreeBSD Status Driver capabilities NetBSD OpenBSD The follow...
https://en.wikipedia.org/wiki/Stress%20relaxation
In materials science, stress relaxation is the observed decrease in stress in response to strain generated in the structure. This is primarily due to keeping the structure in a strained condition for some finite interval of time hence causing some amount of plastic strain. This should not be confused with creep, which ...
https://en.wikipedia.org/wiki/Stirling%20radioisotope%20generator
A Stirling radioisotope generator (SRG) is a type of radioisotope generator based on a Stirling engine powered by a large radioisotope heater unit. The hot end of the Stirling converter reaches high temperature and heated helium drives the piston, with heat being rejected at the cold end of the engine. A generator or a...
https://en.wikipedia.org/wiki/Crossed%20ladders%20problem
The crossed ladders problem is a puzzle of unknown origin that has appeared in various publications and regularly reappears in Web pages and Usenet discussions. The problem Two ladders of lengths a and b lie oppositely across an alley, as shown in the figure. The ladders cross at a height of h above the alley floor. ...
https://en.wikipedia.org/wiki/WISPr
WISPr (pronounced "whisper") or Wireless Internet Service Provider roaming is a draft protocol submitted to the Wi-Fi Alliance that allows users to roam between wireless internet service providers in a fashion similar to that which allows cellphone users to roam between carriers. A RADIUS server is used to authenticate...
https://en.wikipedia.org/wiki/Data%20and%20object%20carousel
In digital video broadcasting (DVB), a data and object carousel is used for repeatedly delivering data in a continuous cycle. Carousels allow data to be pushed from a broadcaster to multiple receivers by transmitting a data set repeatedly in a standard format. A set-top box receiver may tune to the data stream at any t...
https://en.wikipedia.org/wiki/Conjugate%20coding
Conjugate coding is a cryptographic tool, introduced by Stephen Wiesner in the late 1960s. It is part of the two applications Wiesner described for quantum coding, along with a method for creating fraud-proof banking notes. The application that the concept was based on was a method of transmitting multiple messages in ...
https://en.wikipedia.org/wiki/MSX-DOS
MSX-DOS is a discontinued disk operating system developed by Microsoft for the 8-bit home computer standard MSX, and is a cross between MS-DOS v1.25 and CP/M-80 v2.2. MSX-DOS MSX-DOS and the extended BASIC with 3½-inch floppy disk support were simultaneously developed by Microsoft and ASCII Corporation as a software a...
https://en.wikipedia.org/wiki/Variable%20Assembly%20Language
Variable Assembly Language (VAL) is a computer-based control system and language designed specifically for use with Unimation Inc. industrial robots. The VAL robot language is permanently stored as a part of the VAL system. This includes the programming language used to direct the system for individual applications. T...
https://en.wikipedia.org/wiki/Computational%20mechanics
Computational mechanics is the discipline concerned with the use of computational methods to study phenomena governed by the principles of mechanics. Before the emergence of computational science (also called scientific computing) as a "third way" besides theoretical and experimental sciences, computational mechanics w...
https://en.wikipedia.org/wiki/Max%20Skladanowsky
Max Skladanowsky (30 April 1863 – 30 November 1939) was a German inventor and early filmmaker. Along with his brother Emil, he invented the Bioscop, an early movie projector the Skladanowsky brothers used to display a moving picture show to a paying audience on 1 November 1895, shortly before the public debut of the Lu...
https://en.wikipedia.org/wiki/Illumination%20%28image%29
Illumination is an important concept in visual arts. The illumination of the subject of a drawing or painting is a key element in creating an artistic piece, and the interplay of light and shadow is a valuable method in the artist's toolbox. The placement of the light sources can make a considerable difference in the ...
https://en.wikipedia.org/wiki/DictyBase
dictyBase is an online bioinformatics database for the model organism Dictyostelium discoideum. Tools dictyBase offers many ways of searching and retrieving data from the database: dictyMart - a tool for retrieving varied information on many genes (or the sequences of those genes). Genome Browser - browse the gene...
https://en.wikipedia.org/wiki/Megamax%20C
Megamax C is a K&R C-based development system originally written for Macintosh and ported to the Atari ST and Apple IIGS computers. Sold by Megamax, Inc., based in Richardson, Texas, the package includes a one-pass compiler, linker, text editor, resource construction kit, and documentation. Megamax C was written by Mic...
https://en.wikipedia.org/wiki/Slowly%20changing%20dimension
A slowly changing dimension (SCD) in data management and data warehousing is a dimension which contains relatively static data which can change slowly but unpredictably, rather than according to a regular schedule. Some examples of typical slowly changing dimensions are entities such as names of geographical locations...
https://en.wikipedia.org/wiki/Indianapolis%20Prize
The Indianapolis Prize is a biennial prize awarded by the Indianapolis Zoo to individuals for "extraordinary contributions to conservation efforts" affecting one or more animal species. Overview The Indianapolis Prize was established by the Indianapolis Zoo to recognize and reward individuals who have achieved signifi...
https://en.wikipedia.org/wiki/Engineering%20change%20order
An engineering change order (ECO), also called an engineering change notice (ECN), engineering change (EC), or engineering release notice(ERN), is an artifact used to implement changes to components or end products. The ECO is utilized to control and coordinate changes to product designs that evolve over time. The...
https://en.wikipedia.org/wiki/Lemniscate
In algebraic geometry, a lemniscate is any of several figure-eight or -shaped curves. The word comes from the Latin meaning "decorated with ribbons", from the Greek meaning "ribbon", or which alternatively may refer to the wool from which the ribbons were made. Curves that have been called a lemniscate include three...
https://en.wikipedia.org/wiki/Sync%20%28Unix%29
sync is a standard system call in the Unix operating system, which commits all data from the kernel filesystem buffers to non-volatile storage, i.e., data which has been scheduled for writing via low-level I/O system calls. Higher-level I/O layers such as stdio may maintain separate buffers of their own. As a function...
https://en.wikipedia.org/wiki/CoSign%20single%20sign%20on
Cosign is an open-source project originally designed by the Research Systems Unix Group to provide the University of Michigan with a secure single sign-on web authentication system. Cosign authenticates a user on the web server and then provides an environment variable for the user's name. When the user accesses a par...
https://en.wikipedia.org/wiki/OpenVZ
OpenVZ (Open Virtuozzo) is an operating-system-level virtualization technology for Linux. It allows a physical server to run multiple isolated operating system instances, called containers, virtual private servers (VPSs), or virtual environments (VEs). OpenVZ is similar to Solaris Containers and LXC. OpenVZ compared t...
https://en.wikipedia.org/wiki/Frances%20Spence
Frances V. Spence ( Bilas; March 2, 1922 – July 18, 2012) was one of the original programmers for the ENIAC (the first electronic digital computer). She is considered one of the first computer programmers in history. The other five ENIAC programmers were Betty Holberton, Ruth Teitelbaum, Kathleen Antonelli, Marlyn Mel...
https://en.wikipedia.org/wiki/Trends%20in%20International%20Mathematics%20and%20Science%20Study
The IEA's Trends in International Mathematics and Science Study (TIMSS) is a series of international assessments of the mathematics and science knowledge of students around the world. The participating students come from a diverse set of educational systems (countries or regional jurisdictions of countries) in terms of...
https://en.wikipedia.org/wiki/Art%20in%20Bloom
The phrase Art In Bloom is often used as the title of various exhibits held annually, usually in spring, in art museums. The phrase was created by a Museum of Fine Arts, Boston, volunteer, Lorraine M. Pitts who also helped found the Danforth Museum in Framingham, MA. The exhibit is composed of traditional visual art pi...
https://en.wikipedia.org/wiki/Second%20source
In the electronics industry, a second source is a company that is licensed to manufacture and sell components originally designed by another company (the first source). It is common for engineers and purchasers to avoid components that are only available from a single source, to avoid the risk that a problem with the ...
https://en.wikipedia.org/wiki/Rehabilitation%20engineering
Rehabilitation engineering is the systematic application of engineering sciences to design, develop, adapt, test, evaluate, apply, and distribute technological solutions to problems confronted by individuals with disabilities. These individuals may have experienced a spinal cord injury, brain trauma, or any other debi...
https://en.wikipedia.org/wiki/Ruby%20%28hardware%20description%20language%29
Ruby is a hardware description language designed by in 1986 intended to facilitate the notation and development of integrated circuits via relational algebra and functional programming. It should not be confused with RHDL, a hardware description language based on the 1995 Ruby programming language. References Exter...
https://en.wikipedia.org/wiki/Methanosarcina%20acetivorans
Methanosarcina acetivorans is a versatile methane producing microbe which is found in such diverse environments as oil wells, trash dumps, deep-sea hydrothermal vents, and oxygen-depleted sediments beneath kelp beds. Only M. acetivorans and microbes in the genus Methanosarcina use all three known metabolic pathways fo...
https://en.wikipedia.org/wiki/Delay%20%28audio%20effect%29
Delay is an audio signal processing technique that records an input signal to a storage medium and then plays it back after a period of time. When the delayed playback is mixed with the live audio, it creates an echo-like effect, whereby the original audio is heard followed by the delayed audio. The delayed signal may ...
https://en.wikipedia.org/wiki/Acridine%20orange
Acridine orange is an organic compound that serves as a nucleic acid-selective fluorescent dye with cationic properties useful for cell cycle determination. Acridine orange is cell-permeable, which allows the dye to interact with DNA by intercalation, or RNA via electrostatic attractions. When bound to DNA, acridine or...
https://en.wikipedia.org/wiki/Friday%20Night%20Football%20%28AFL%29
Friday Night Football is an Australian sports broadcast series is currently airing on the Seven Network. History Non-weekend night matches of Australian rules football first emerged in the late 1970s/early 1980s with the night series, a knock-out tournament featuring teams from across the country and run in parallel w...
https://en.wikipedia.org/wiki/Window%20of%20opportunity
A window of opportunity, also called a margin of opportunity or critical window, is a period of time during which some action can be taken that will achieve a desired outcome. Once this period is over, or the "window is closed", the specified outcome is no longer possible. Examples Windows of opportunity include: Bio...
https://en.wikipedia.org/wiki/Human%20Genome%20Project
The Human Genome Project (HGP) was an international scientific research project with the goal of determining the base pairs that make up human DNA, and of identifying, mapping and sequencing all of the genes of the human genome from both a physical and a functional standpoint. It started in 1990 and was completed i...
https://en.wikipedia.org/wiki/Charge%20%28physics%29
In physics, a charge is any of many different quantities, such as the electric charge in electromagnetism or the color charge in quantum chromodynamics. Charges correspond to the time-invariant generators of a symmetry group, and specifically, to the generators that commute with the Hamiltonian. Charges are often deno...
https://en.wikipedia.org/wiki/Nomen%20oblitum
In zoological nomenclature, a nomen oblitum (plural: nomina oblita; Latin for "forgotten name") is a disused scientific name which has been declared to be obsolete (figuratively 'forgotten') in favour of another 'protected' name. In its present meaning, the nomen oblitum came into being with the fourth, 1999, edition ...
https://en.wikipedia.org/wiki/List%20of%20centroids
The following is a list of centroids of various two-dimensional and three-dimensional objects. The centroid of an object in -dimensional space is the intersection of all hyperplanes that divide into two parts of equal moment about the hyperplane. Informally, it is the "average" of all points of . For an object of un...
https://en.wikipedia.org/wiki/Centralized%20computing
Centralized computing is computing done at a central location, using terminals that are attached to a central computer. The computer itself may control all the peripherals directly (if they are physically connected to the central computer), or they may be attached via a terminal server. Alternatively, if the terminals ...
https://en.wikipedia.org/wiki/Cell%20damage
Cell damage (also known as cell injury) is a variety of changes of stress that a cell suffers due to external as well as internal environmental changes. Amongst other causes, this can be due to physical, chemical, infectious, biological, nutritional or immunological factors. Cell damage can be reversible or irreversibl...