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https://en.wikipedia.org/wiki/NMR%20tube | An NMR tube is a thin glass walled tube used to contain samples in nuclear magnetic resonance spectroscopy. Typically NMR tubes come in 5 mm diameters but 10 mm and 3 mm samples are known. It is important that the tubes are uniformly thick and well-balanced to ensure that NMR tube spins at a regular rate (i.e., they do... |
https://en.wikipedia.org/wiki/Richard%20D.%20Gill | Richard David Gill (born 1951) is a British-Dutch mathematician. He has held academic positions in the Netherlands. As a probability theorist and statistician, Gill has researched counting processes. He is also known for his consulting and advocacy on behalf of alleged victims of statistical misrepresentation, includin... |
https://en.wikipedia.org/wiki/Novell%20BorderManager | BorderManager is a multi purpose network security application developed by Novell, Inc. BorderManager is designed as a proxy server, firewall, and VPN access point. Novell has announced that migration to SuperLumin 4.0 Proxy Cache is "Novell's preferred firewall and proxy solution for NetWare customers upgrading to Nov... |
https://en.wikipedia.org/wiki/Acoustical%20measurements%20and%20instrumentation | Analysis of sound and acoustics plays a role in such engineering tasks as product design, production test, machine performance, and process control. For instance, product design can require modification of sound level or noise for compliance with standards from ANSI, IEC, and ISO. The work might also involve design fin... |
https://en.wikipedia.org/wiki/Math%20wars | Math wars is the debate over modern mathematics education, textbooks and curricula in the United States that was triggered by the publication in 1989 of the Curriculum and Evaluation Standards for School Mathematics by the National Council of Teachers of Mathematics (NCTM) and subsequent development and widespread adop... |
https://en.wikipedia.org/wiki/Contact%20resistance | The term contact resistance refers to the contribution to the total resistance of a system which can be attributed to the contacting interfaces of electrical leads and connections as opposed to the intrinsic resistance. This effect is described by the term electrical contact resistance (ECR) and arises as the result of... |
https://en.wikipedia.org/wiki/Streaker%20%28video%20game%29 | Streaker is an action game published by Mastertronic on their "Bulldog" label in 1987. The game was released for the Amstrad CPC, MSX, ZX Spectrum.
Plot
The hero of the game is Carlin, a naked man who has been mugged and stripped, and needs to find all of his clothes. Carlin is in a town on the planet Zuggi, which res... |
https://en.wikipedia.org/wiki/Levilactobacillus%20brevis | Levilactobacillus brevis is a gram-positive, rod shaped species of lactic acid bacteria which is heterofermentative, creating CO2, lactic acid and acetic acid or ethanol during fermentation. L. brevis is the type species of the genus Levilactobacillus (previously L. brevis group), which comprises 24 species. It can b... |
https://en.wikipedia.org/wiki/Total%20viable%20organism | Total viable organism (or TVO) is a term used in microbiology to quantify the amount of microorganisms present in a sample. Each sample is usually cultured on a variety of agar plates (petri dishes) often containing different types of selective media. The colony-forming units (CFUs) are calculated after allowing time... |
https://en.wikipedia.org/wiki/Siegel%20modular%20form | In mathematics, Siegel modular forms are a major type of automorphic form. These generalize conventional elliptic modular forms which are closely related to elliptic curves. The complex manifolds constructed in the theory of Siegel modular forms are Siegel modular varieties, which are basic models for what a moduli spa... |
https://en.wikipedia.org/wiki/P16 | p16 (also known as p16INK4a, cyclin-dependent kinase inhibitor 2A, CDKN2A, multiple tumor suppressor 1 and numerous other synonyms), is a protein that slows cell division by slowing the progression of the cell cycle from the G1 phase to the S phase, thereby acting as a tumor suppressor. It is encoded by the CDKN2A gene... |
https://en.wikipedia.org/wiki/Ronald%20Ernest%20Aitchison | Ronald Ernest Aitchison (29 December 1921 – 9 March 1996) was an Australian physicist and electronics engineer who contributed to a range of fields and technologies from solid-state devices to satellite imaging. He was born in Hurstville, New South Wales, Australia on 29 December 1921.
Career
From 1942 to 1945 Aitch... |
https://en.wikipedia.org/wiki/List%20of%20Heroes%20characters | This is a list of fictional characters in the television series Heroes, the Heroes graphic novels, and the Heroes webisodes.
Main characters
Character duration
In its inaugural season, Heroes featured an ensemble cast of twelve main characters. During the first season, the NBC Heroes cast page listed ten characters ... |
https://en.wikipedia.org/wiki/Biseriate | Biseriate is a botanical term applied to both plantae and fungi, meaning 'arranged in two rows'.
The term can refer to any number of structures found within these kingdoms, from arrangement of leaves to the placement of spores.
It becomes useful in taxonomy for placing a species within a certain genus, family, or ev... |
https://en.wikipedia.org/wiki/Phialide | The phialide ( ; , diminutive of phiale, a broad, flat vessel) is a flask-shaped projection from the vesicle (dilated part of the top of conidiophore) of certain fungi. It projects from the mycelium without increasing in length unless a subsequent increase in the formation of conidia occurs.
It is the end cell of a p... |
https://en.wikipedia.org/wiki/Dig%20%28command%29 | dig is a network administration command-line tool for querying the Domain Name System (DNS).
dig is useful for network troubleshooting and for educational purposes. It can operate based on command line option and flag arguments, or in batch mode by reading requests from an operating system file. When a specific name s... |
https://en.wikipedia.org/wiki/Thermal%20death%20time | Thermal death time is how long it takes to kill a specific bacterium at a specific temperature. It was originally developed for food canning and has found applications in cosmetics, producing salmonella-free feeds for animals (e.g. poultry) and pharmaceuticals.
History
In 1895, William Lyman Underwood of the Underwood... |
https://en.wikipedia.org/wiki/International%20Partnership%20for%20Microbicides | The International Partnership for Microbicides or IPM is a non-profit product development partnership (PDP) founded by Dr. Zeda Rosenberg in 2002 to prevent HIV transmission by accelerating the development and availability of a safe and effective microbicide for use by women in developing countries.
Since its inceptio... |
https://en.wikipedia.org/wiki/Markus%E2%80%93Yamabe%20conjecture | In mathematics, the Markus–Yamabe conjecture is a conjecture on global asymptotic stability. If the Jacobian matrix of a dynamical system at a fixed point is Hurwitz, then the fixed point is asymptotically stable. Markus-Yamabe conjecture asks if a similar result holds globally. Precisely, the conjecture states that if... |
https://en.wikipedia.org/wiki/Erwise | Erwise is an early discontinued web browser, and the first that was available for the X Window System.
Released in April 1992, the browser was written for Unix computers running X and used the W3 common access library. Erwise was the combined master's project of four Finnish students at the Helsinki University of Tech... |
https://en.wikipedia.org/wiki/Tefkat | Tefkat is a model transformation language and a model transformation engine. The language is based on F-logic and the theory of stratified logic programs. The engine is an Eclipse plug-in for the Eclipse Modeling Framework (EMF).
History
Tefkat was one of the sub-projects of the Pegamento project at the Distribute... |
https://en.wikipedia.org/wiki/Inner-platform%20effect | The inner-platform effect is the tendency of software architects to create a system so customizable as to become a replica, and often a poor replica, of the software development platform they are using. This is generally inefficient and such systems are often considered to be examples of an anti-pattern.
Examples
Exa... |
https://en.wikipedia.org/wiki/Anatoli%20Bugorski | Anatoli Petrovich Bugorski (; born 25 June 1942) is a Russian retired particle physicist. He is known for surviving a radiation accident in 1978, when a high-energy proton beam from a particle accelerator passed through his brain.
Accident
As a researcher at the Institute for High Energy Physics in Protvino, Russian ... |
https://en.wikipedia.org/wiki/Ad%20hoc%20testing | Ad hoc testing is a commonly used term for planned software testing that is performed without initial test case documentation; however, ad hoc testing can also be applied to other scientific research and quality control efforts. Ad hoc tests are useful for adding additional confidence to a resulting product or process,... |
https://en.wikipedia.org/wiki/Entropy%20%28order%20and%20disorder%29 | In thermodynamics, entropy is often associated with the amount of order or disorder in a thermodynamic system. This stems from Rudolf Clausius' 1862 assertion that any thermodynamic process always "admits to being reduced [reduction] to the alteration in some way or another of the arrangement of the constituent parts o... |
https://en.wikipedia.org/wiki/Loop-switch%20sequence | A loop-switch sequence (also known as the for-case paradigm or Anti-Duff's Device) is a programming antipattern where a clear set of steps is implemented as a switch-within-a-loop. The loop-switch sequence is a specific derivative of spaghetti code.
It is not necessarily an antipattern to use a switch statement within... |
https://en.wikipedia.org/wiki/Random%20digit%20dialing | Random digit dialing (RDD) is a method for selecting people for involvement in telephone statistical surveys by generating telephone numbers at random. Random digit dialing has the advantage that it includes unlisted numbers that would be missed if the numbers were selected from a phone book. In populations where the... |
https://en.wikipedia.org/wiki/Debye%E2%80%93H%C3%BCckel%20theory | The Debye–Hückel theory was proposed by Peter Debye and Erich Hückel as a theoretical explanation for departures from ideality in solutions of electrolytes and plasmas.
It is a linearized Poisson–Boltzmann model, which assumes an extremely simplified model of electrolyte solution but nevertheless gave accurate predic... |
https://en.wikipedia.org/wiki/Epic%20of%20evolution | In social, cultural and religious studies in the United States, the "epic of evolution" is a narrative that blends religious and scientific views of cosmic, biological and sociocultural evolution in a mythological manner. According to The Encyclopedia of Religion and Nature, an "epic of evolution" encompasses
History ... |
https://en.wikipedia.org/wiki/Herbrand%20interpretation | In mathematical logic, a Herbrand interpretation is an interpretation in which all constants and function symbols are assigned very simple meanings. Specifically, every constant is interpreted as itself, and every function symbol is interpreted as the application function on terms. The interpretation also defines pred... |
https://en.wikipedia.org/wiki/Gamma%20secretase | Gamma secretase is a multi-subunit protease complex, itself an integral membrane protein, that cleaves single-pass transmembrane proteins at residues within the transmembrane domain. Proteases of this type are known as intramembrane proteases. The most well-known substrate of gamma secretase is amyloid precursor protei... |
https://en.wikipedia.org/wiki/Presenilin | Presenilins are a family of related multi-pass transmembrane proteins which constitute the catalytic subunits of the gamma-secretase intramembrane protease protein complex. They were first identified in screens for mutations causing early onset forms of familial Alzheimer's disease by Peter St George-Hyslop. Vertebrate... |
https://en.wikipedia.org/wiki/Nested%20quotation | A nested quotation is a quotation that is encapsulated inside another quotation, forming a hierarchy with multiple levels. When focusing on a certain quotation, one must interpret it within its scope. Nested quotation can be used in literature (as in nested narration), speech, and computer science (as in "meta"-state... |
https://en.wikipedia.org/wiki/ACF2 | ACF2 (Access Control Facility 2) is a commercial, discretionary access control software security system developed for the MVS (z/OS today), VSE (z/VSE today) and VM (z/VM today) IBM mainframe operating systems by SKK, Inc. Barry Schrager, Eberhard Klemens, and Scott Krueger combined to develop ACF2 at London Life Insur... |
https://en.wikipedia.org/wiki/WirelessHD | WirelessHD, also known as UltraGig, is a proprietary standard owned by Silicon Image (originally SiBeam) for wireless transmission of high-definition video content for consumer electronics products. The consortium currently has over 40 adopters; key members behind the specification include Broadcom, Intel, LG, Panasoni... |
https://en.wikipedia.org/wiki/Physica%20Scripta | Physica Scripta is an international scientific journal for experimental and theoretical physics. It was established in 1970 as the successor of Arkiv för Fysik and published by the Royal Swedish Academy of Sciences (KVA). Since 2006, it has been published by IOP Publishing with the endorsement of the KVA. The journal c... |
https://en.wikipedia.org/wiki/Cage%20%28graph%20theory%29 | In the mathematical field of graph theory, a cage is a regular graph that has as few vertices as possible for its girth.
Formally, an is defined to be a graph in which each vertex has exactly neighbors, and in which the shortest cycle has length exactly .
An is an with the smallest possible number of vertices, am... |
https://en.wikipedia.org/wiki/E-function | In mathematics, E-functions are a type of power series that satisfy particular arithmetic conditions on the coefficients. They are of interest in transcendental number theory, and are more special than G-functions.
Definition
A function is called of type , or an -function, if the power series
satisfies the followin... |
https://en.wikipedia.org/wiki/Trichocyst | A trichocyst is an organelle found in certain ciliates and dinoflagellates.
A trichocyst can be found in tetrahymena and along cila pathways of several metabolic systems.
It is also a structure in the cortex of certain ciliate and flagellate protozoans consisting of a cavity and long, thin threads that can be ejecte... |
https://en.wikipedia.org/wiki/Hack%20%28falconry%29 | Hacking is a training method that helps young birds of prey reach their hunting potential by giving them exercise and experience. This technique is used to prepare the falcon to become an independent hunter. The sequence of the procedure includes captivity, releasing, flight, and either the falcon will be recaptured f... |
https://en.wikipedia.org/wiki/Die%20%28integrated%20circuit%29 | A die, in the context of integrated circuits, is a small block of semiconducting material on which a given functional circuit is fabricated. Typically, integrated circuits are produced in large batches on a single wafer of electronic-grade silicon (EGS) or other semiconductor (such as GaAs) through processes such as ph... |
https://en.wikipedia.org/wiki/Cyclic%20ADP-ribose | Cyclic ADP-ribose, frequently abbreviated as cADPR, is a cyclic adenine nucleotide (like cAMP) with two phosphate groups present on 5' OH of the adenosine (like ADP), further connected to another ribose at the 5' position, which, in turn, closes the cycle by glycosidic bonding to the nitrogen 1 (N1) of the same adenine... |
https://en.wikipedia.org/wiki/Phase%20factor | For any complex number written in polar form (such as ), the phase factor is the complex exponential factor (). The phase factor is a unit complex number, i.e. a complex number of absolute value 1. It is commonly used in quantum mechanics. It is a special case of phasors, which may have arbitrary magnitude (i.e. not... |
https://en.wikipedia.org/wiki/Nicotinic%20acid%20adenine%20dinucleotide%20phosphate | Nicotinic acid adenine dinucleotide phosphate, (NAADP), is a Ca2+-mobilizing second messenger synthesised in response to extracellular stimuli. Like its mechanistic cousins, IP3 and cyclic adenosine diphosphoribose (Cyclic ADP-ribose), NAADP binds to and opens Ca2+ channels on intracellular organelles, thereby increasi... |
https://en.wikipedia.org/wiki/Peristimulus%20time%20histogram | In neurophysiology, peristimulus time histogram and poststimulus time histogram, both abbreviated PSTH or PST histogram, are histograms of the times at which neurons fire. It is also sometimes called pre event time histogram or PETH. These histograms are used to visualize the rate and timing of neuronal spike discharg... |
https://en.wikipedia.org/wiki/Oncogenomics | Oncogenomics is a sub-field of genomics that characterizes cancer-associated genes. It focuses on genomic, epigenomic and transcript alterations in cancer.
Cancer is a genetic disease caused by accumulation of DNA mutations and epigenetic alterations leading to unrestrained cell proliferation and neoplasm formation. T... |
https://en.wikipedia.org/wiki/Incipient%20wetness%20impregnation | Incipient wetness impregnation (IW or IWI), also called capillary impregnation or dry impregnation, is a commonly used technique for the synthesis of heterogeneous catalysts. Typically, the active metal precursor is dissolved in an aqueous or organic solution. Then the metal-containing solution is added to a catalyst s... |
https://en.wikipedia.org/wiki/Phosphatidylmyo-inositol%20mannosides | Phosphatidylmyo-inositol Mannosides (PIMs) are a family of glycolipids found in the cell wall of Mycobacterium tuberculosis. PIMs influence the interaction of the immune system with M. tuberculosis, and mice that develop antibodies for this family of glycolipids are better at sustaining or defeating a M. tuberculosis ... |
https://en.wikipedia.org/wiki/Conditional%20event%20algebra | A standard, Boolean algebra of events is a set of events related to one another by the familiar operations and, or, and not. A conditional event algebra (CEA) contains not just ordinary events but also conditional events, which have the form "if A, then B". The usual purpose of a CEA is to enable the defining of a prob... |
https://en.wikipedia.org/wiki/Bracht%E2%80%93Wachter%20bodies | Bracht–Wachter bodies are a finding in infective endocarditis consisting of yellow-white miliary spots in the myocardium.
Histologically, these are collections of chronic inflammatory cells, mainly lymphocytes and histiocytes.
History
They were described by two Germans, Erich Franz Eugen Bracht, a pathologist and obs... |
https://en.wikipedia.org/wiki/Elasticity%20tensor | The elasticity tensor is a fourth-rank tensor describing the stress-strain relation in
a linear elastic material. Other names are elastic modulus tensor and stiffness tensor. Common symbols include and .
The defining equation can be written as
where and are the components of the Cauchy stress tensor and infinitesi... |
https://en.wikipedia.org/wiki/Control%20track | A control track is a track that runs along an outside edge of a standard analog videotape (including VHS). The control track encodes a series of pulses, each pulse corresponding to the beginning of each frame. This allows the video tape player to synchronize its scan speed and tape speed to the speed of the recording.... |
https://en.wikipedia.org/wiki/Wigner%20D-matrix | The Wigner D-matrix is a unitary matrix in an irreducible representation of the groups SU(2) and SO(3). It was introduced in 1927 by Eugene Wigner, and plays a fundamental role in the quantum mechanical theory of angular momentum. The complex conjugate of the D-matrix is an eigenfunction of the Hamiltonian of spherical... |
https://en.wikipedia.org/wiki/Semantically%20Interlinked%20Online%20Communities | Semantically Interlinked Online Communities Project (SIOC ( )) is a Semantic Web technology. SIOC provides methods for interconnecting discussion methods such as blogs, forums and mailing lists to each other. It consists of the SIOC ontology, an open-standard machine-readable format for expressing the information conta... |
https://en.wikipedia.org/wiki/Parry%E2%80%93Sullivan%20invariant | In mathematics, the Parry–Sullivan invariant (or Parry–Sullivan number) is a numerical quantity of interest in the study of incidence matrices in graph theory, and of certain one-dimensional dynamical systems. It provides a partial classification of non-trivial irreducible incidence matrices.
It is named after the Eng... |
https://en.wikipedia.org/wiki/Automatic%20sequence | In mathematics and theoretical computer science, an automatic sequence (also called a k-automatic sequence or a k-recognizable sequence when one wants to indicate that the base of the numerals used is k) is an infinite sequence of terms characterized by a finite automaton. The n-th term of an automatic sequence a(n) i... |
https://en.wikipedia.org/wiki/Tris-buffered%20saline | Tris-buffered saline (TBS) is a buffer used in some biochemical techniques to maintain the pH within a relatively narrow range. Tris (with HCl) has a slightly alkaline buffering capacity in the 7–9.2 range. The conjugate acid of Tris has a pKa of 8.07 at 25 °C. The pKa declines approximately 0.03 units per degree Celsi... |
https://en.wikipedia.org/wiki/Rectus%20sheath | The rectus sheath (also called the rectus fascia) is a tough fibrous compartment formed by the aponeuroses of the transverse abdominal muscle, and the internal and external oblique muscles. It contains the rectus abdominis and pyramidalis muscles, as well as vessels and nerves.
Structure
The rectus sheath extends bet... |
https://en.wikipedia.org/wiki/Adobe%20AIR | Adobe AIR (also known as Adobe Integrated Runtime and codenamed Apollo) is a cross-platform runtime system currently developed by Harman International, in collaboration with Adobe Inc., for building desktop applications and mobile applications, programmed using Adobe Animate, ActionScript, and optionally Apache Flex. ... |
https://en.wikipedia.org/wiki/E-patient | An e-patient is a health consumer who participates fully in his/her medical care, primarily by gathering information about medical conditions that impact them and their families, using the Internet and other digital tools. The term encompasses those who seek guidance for their own ailments and the friends and family me... |
https://en.wikipedia.org/wiki/Architectural%20model | An architectural model is a type of scale model made to study aspects of an architectural design or to communicate design intent. They are made using a variety of materials including paper, plaster, plastic, resin, wood, glass, and metal.
Models are built either with traditional handcraft techniques or via 3D printin... |
https://en.wikipedia.org/wiki/Diel%20vertical%20migration | Diel vertical migration (DVM), also known as diurnal vertical migration, is a pattern of movement used by some organisms, such as copepods, living in the ocean and in lakes. The word "diel" (IPA: , ) comes from , and means a 24-hour period. The migration occurs when organisms move up to the uppermost layer of the sea ... |
https://en.wikipedia.org/wiki/Need%20for%20cognition | The need for cognition (NFC), in psychology, is a personality variable reflecting the extent to which individuals are inclined towards effortful cognitive activities.
Need for cognition has been variously defined as "a need to structure relevant situations in meaningful, integrated ways" and "a need to understand and ... |
https://en.wikipedia.org/wiki/Automation%20and%20Remote%20Control | Automation and Remote Control () is a Russian scientific journal published by MAIK Nauka/Interperiodica Press and distributed in English by Springer Science+Business Media.
The journal was established in April 1936 by the USSR Academy of Sciences Department of Control Processes Problems. Cofounders were the Trapezniko... |
https://en.wikipedia.org/wiki/Cultural%20universal | A cultural universal (also called an anthropological universal or human universal) is an element, pattern, trait, or institution that is common to all known human cultures worldwide. Taken together, the whole body of cultural universals is known as the human condition. Evolutionary psychologists hold that behaviors or ... |
https://en.wikipedia.org/wiki/Leccinum%20aurantiacum | Leccinum aurantiacum is a species of fungus in the genus Leccinum found in forests of Eurasia and North America. It has a large, characteristically red-capped fruiting body. In North America, it is sometimes referred to by the common name red-capped scaber stalk. Some uncertainties exist regarding the taxonomic classif... |
https://en.wikipedia.org/wiki/Ectomesenchyme | Ectomesenchyme has properties similar to mesenchyme. The origin of the ectomesenchyme is disputed. It is either like the mesenchyme, arising from mesodermic cells, or conversely arising from neural crest cells. The neural crest is a critical group of cells that form in the cranial region during early vertebrate develop... |
https://en.wikipedia.org/wiki/Reverse%20Monte%20Carlo | The Reverse Monte Carlo (RMC) modelling method is a variation of the standard Metropolis–Hastings algorithm to solve an inverse problem whereby a model is adjusted until its parameters have the greatest consistency with experimental data. Inverse problems are found in many branches of science and mathematics, but this ... |
https://en.wikipedia.org/wiki/BestCrypt | BestCrypt, developed by Jetico, is a commercial disk encryption app available for Windows, Linux, macOS and Android.
BestCrypt comes in two editions: BestCrypt Volume Encryption to encrypt entire disk volumes; BestCrypt Container Encryption to encrypt virtual disks stored as computer files.
BestCrypt also provides ... |
https://en.wikipedia.org/wiki/Aspartic%20protease | Aspartic proteases (also "aspartyl proteases", "aspartic endopeptidases") are a catalytic type of protease enzymes that use an activated water molecule bound to one or more aspartate residues for catalysis of their peptide substrates. In general, they have two highly conserved aspartates in the active site and are opti... |
https://en.wikipedia.org/wiki/Tinapa | Tinapa, a Filipino term, is fish cooked or preserved through the process of smoking. It is a native delicacy in the Philippines and is often made from blackfin scad (Alepes melanoptera, known locally as galunggong), or from milkfish, which is locally known as bangus.
Though canned tinapa in tomato sauce is common and ... |
https://en.wikipedia.org/wiki/The%20Inner%20Life%20of%20the%20Cell | The Inner Life of the Cell is an 8.5-minute 3D computer graphics animation illustrating the molecular mechanisms that occur when a white blood cell in the blood vessels of the human body is activated by inflammation (Leukocyte extravasation). It shows how a white blood cell rolls along the inner surface of the capillar... |
https://en.wikipedia.org/wiki/Screening%20router | A screening router performs packet-filtering and is used as a firewall. In some cases a screening router may be used as perimeter protection for the internal network or as the entire firewall solution. |
https://en.wikipedia.org/wiki/Deductive%20closure | In mathematical logic, a set of logical formulae is deductively closed if it contains every formula that can be logically deduced from , formally: if always implies . If is a set of formulae, the deductive closure of is its smallest superset that is deductively closed.
The deductive closure of a theory is often ... |
https://en.wikipedia.org/wiki/Opportunistic%20TLS | Opportunistic TLS (Transport Layer Security) refers to extensions in plain text communication protocols, which offer a way to upgrade a plain text connection to an encrypted (TLS or SSL) connection instead of using a separate port for encrypted communication. Several protocols use a command named "STARTTLS" for this pu... |
https://en.wikipedia.org/wiki/Inertial%20wave | Inertial waves, also known as inertial oscillations, are a type of mechanical wave possible in rotating fluids. Unlike surface gravity waves commonly seen at the beach or in the bathtub, inertial waves flow through the interior of the fluid, not at the surface. Like any other kind of wave, an inertial wave is caused by... |
https://en.wikipedia.org/wiki/Psychopathy | Psychopathy is a mental health condition characterized by persistent antisocial behavior, impaired empathy and remorse, and bold, disinhibited, and egotistical traits. Different conceptions of psychopathy have been used throughout history that are only partly overlapping and may sometimes be contradictory.
Hervey M. C... |
https://en.wikipedia.org/wiki/Tribler | Tribler is an open source decentralized BitTorrent client which allows anonymous peer-to-peer by default. Tribler is based on the BitTorrent protocol and uses an overlay network for content searching.
Due to this overlay network, Tribler does not require an external website or indexing service to discover content. The ... |
https://en.wikipedia.org/wiki/History%20of%20artificial%20life | Humans have considered and tried to create non-biological life for at least 3000 years. As seen in tales ranging from Pygmalion to Frankenstein, humanity has long been intrigued by the concept of artificial life.
Pre-computer
The earliest examples of artificial life involve sophisticated automata constructed using ... |
https://en.wikipedia.org/wiki/Kyorochan | is a fictional bird that serves as a mascot for a Japanese brand of Morinaga chocolate, known as ChocoBall. He first appeared in 1967 in the anime television series Uchuu-shonen Soran (Space Boy Soran). Kyorochan also replaced the character Chappy in 1967, a space-themed squirrel who was the original mascot, first appe... |
https://en.wikipedia.org/wiki/Andrews%E2%80%93Curtis%20conjecture | In mathematics, the Andrews–Curtis conjecture states that every balanced presentation of the trivial group can be transformed into a trivial presentation by a sequence of Nielsen transformations on the relators together with conjugations of relators, named after James J. Andrews and Morton L. Curtis who proposed it in ... |
https://en.wikipedia.org/wiki/Stride%20scheduling | Stride scheduling is a type of scheduling mechanism that has been introduced as a simple concept to achieve proportional central processing unit (CPU) capacity reservation among concurrent processes. Stride scheduling aims to sequentially allocate a resource for the duration of standard time-slices (quantum) in a fashi... |
https://en.wikipedia.org/wiki/Carleson%20measure | In mathematics, a Carleson measure is a type of measure on subsets of n-dimensional Euclidean space Rn. Roughly speaking, a Carleson measure on a domain Ω is a measure that does not vanish at the boundary of Ω when compared to the surface measure on the boundary of Ω.
Carleson measures have many applications in harmon... |
https://en.wikipedia.org/wiki/Shark%20agonistic%20display | Agonism is a broad term which encompasses many behaviours that result from, or are triggered by biological conflict between competing organisms. Approximately 23 shark species are capable of producing such displays when threatened by intraspecific or interspecific competitors, as an evolutionary strategy to avoid unnec... |
https://en.wikipedia.org/wiki/Hand-stopping | Hand-stopping is a technique by which a natural horn or a natural trumpet can be made to produce notes outside of its normal harmonic series. By inserting the hand, cupped, into the bell, the player can reduce the pitch of a note by a semitone or more. This, combined with the use of crooks changing the key of the ins... |
https://en.wikipedia.org/wiki/Marshall%20Hall%20%28mathematician%29 | Marshall Hall Jr. (17 September 1910 – 4 July 1990) was an American mathematician who made significant contributions to group theory and combinatorics.
Education and career
Hall studied mathematics at Yale University, graduating in 1932. He studied for a year at Cambridge University under a Henry Fellowship working ... |
https://en.wikipedia.org/wiki/Crown-rump%20length | Crown-rump length (CRL) is the measurement of the length of human embryos and fetuses from the top of the head (crown) to the bottom of the buttocks (rump). It is typically determined from ultrasound imagery and can be used to estimate gestational age.
Introduction
The embryo and fetus float in the amniotic fluid ins... |
https://en.wikipedia.org/wiki/Thermodynamic%20databases%20for%20pure%20substances | Thermodynamic databases contain information about thermodynamic properties for substances, the most important being enthalpy, entropy, and Gibbs free energy. Numerical values of these thermodynamic properties are collected as tables or are calculated from thermodynamic datafiles. Data is expressed as temperature-depend... |
https://en.wikipedia.org/wiki/Reconvergent%20fan-out | Reconvergent fan-out is a technique to make VLSI logic simulation less pessimistic.
Static timing analysis tries to figure out the best and worst case time estimate for each signal as they pass through an electronic device. Whenever a signal passes through a node, a bit of uncertainty must be added to the time requir... |
https://en.wikipedia.org/wiki/Fiber%20bundle%20construction%20theorem | In mathematics, the fiber bundle construction theorem is a theorem which constructs a fiber bundle from a given base space, fiber and a suitable set of transition functions. The theorem also gives conditions under which two such bundles are isomorphic. The theorem is important in the associated bundle construction wher... |
https://en.wikipedia.org/wiki/Signal%20edge | In electronics, a signal edge is a transition of a digital signal from low to high or from high to low:
A rising edge (or positive edge) is the low-to-high transition.
A falling edge (or negative edge) is the high-to-low transition.
In the case of a pulse, which consists of two edges:
The leading edge (or front e... |
https://en.wikipedia.org/wiki/Petname | Petname systems are naming systems that claim to possess all three naming properties of Zooko's triangle - global, secure, and memorable. Software that uses such a system can satisfy all three requirements. Such systems can be used to enhance security, such as preventing phishing attacks.
Unlike traditional identity sy... |
https://en.wikipedia.org/wiki/List%20of%20flags%20of%20Peru | This is a list of flags used in or otherwise associated with Peru. For further information, see Flag of Peru.
National flags
Current
Historical
Government
Military
Political flags
Proposed flags
Subnational flags
Departments
Provinces
Districts
Cities
See also
Coat of arms of Peru
National Anthem of Per... |
https://en.wikipedia.org/wiki/Rademacher%27s%20theorem | In mathematical analysis, Rademacher's theorem, named after Hans Rademacher, states the following: If is an open subset of and is Lipschitz continuous, then is differentiable almost everywhere in ; that is, the points in at which is not differentiable form a set of Lebesgue measure zero. Differentiability here re... |
https://en.wikipedia.org/wiki/Fenske%20equation | The Fenske equation in continuous fractional distillation is an equation used for calculating the minimum number of theoretical plates required for the separation of a binary feed stream by a fractionation column that is being operated at total reflux (i.e., which means that no overhead product distillate is being with... |
https://en.wikipedia.org/wiki/Borsuk%27s%20conjecture | The Borsuk problem in geometry, for historical reasons incorrectly called Borsuk's conjecture, is a question in discrete geometry. It is named after Karol Borsuk.
Problem
In 1932, Karol Borsuk showed that an ordinary 3-dimensional ball in Euclidean space can be easily dissected into 4 solids, each of which has a small... |
https://en.wikipedia.org/wiki/Association%20of%20Internet%20Researchers | The Association of Internet Researchers (AoIR) is a learned society dedicated to the advancement of the transdisciplinary field of Internet studies. Founded in 1999, it is an international, member-based support network promoting critical and scholarly Internet research, independent from traditional disciplines and exis... |
https://en.wikipedia.org/wiki/Microarray%20analysis%20techniques | Microarray analysis techniques are used in interpreting the data generated from experiments on DNA (Gene chip analysis), RNA, and protein microarrays, which allow researchers to investigate the expression state of a large number of genes - in many cases, an organism's entire genome - in a single experiment. Such experi... |
https://en.wikipedia.org/wiki/Anamorphism | In computer programming, an anamorphism is a function that generates a sequence by repeated application of the function to its previous result. You begin with some value A and apply a function f to it to get B. Then you apply f to B to get C, and so on until some terminating condition is reached. The anamorphism is the... |
https://en.wikipedia.org/wiki/K-server%20problem | The -server problem is a problem of theoretical computer science in the category of online algorithms, one of two abstract problems on metric spaces that are central to the theory of competitive analysis (the other being metrical task systems). In this problem, an online algorithm must control the movement of a set of... |
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