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https://en.wikipedia.org/wiki/1176%20Peak%20Limiter | The 1176 Peak Limiter is a dynamic range compressor designed by the American engineer Bill Putnam and introduced by UREI in 1967. Derived from the 175 and 176 tube compressors, it marked the transition from vacuum tubes to solid-state technology.
With its distinctive tone and its wide range of sounds, deriving from th... |
https://en.wikipedia.org/wiki/Long-lived%20fission%20product | Long-lived fission products (LLFPs) are radioactive materials with a long half-life (more than 200,000 years) produced by nuclear fission of uranium and plutonium. Because of their persistent radiotoxicity, it is necessary to isolate them from humans and the biosphere and to confine them in nuclear waste repositories f... |
https://en.wikipedia.org/wiki/Configuration%20space%20%28physics%29 | In classical mechanics, the parameters that define the configuration of a system are called generalized coordinates, and the space defined by these coordinates is called the configuration space of the physical system. It is often the case that these parameters satisfy mathematical constraints, such that the set of act... |
https://en.wikipedia.org/wiki/Anterior%20jugular%20vein | The anterior jugular vein is a vein in the neck.
Structure
The anterior jugular vein lies lateral to the cricothyroid ligament.
It begins near the hyoid bone by the confluence of several superficial veins from the submandibular region. Its tributaries are some laryngeal veins, and occasionally a small thyroid vein.
... |
https://en.wikipedia.org/wiki/8-bit%20clean | 8-bit clean is an attribute of computer systems, communication channels, and other devices and software, that process 8-bit character encodings without treating any byte as an in-band control code.
History
Until the early 1990s, many programs and data transmission channels were character-oriented and treated some cha... |
https://en.wikipedia.org/wiki/Intercarpal%20joints | The intercarpal joints (joints of the carpal bones of the wrist) can be subdivided into three sets of joints (also called articulations): Those of the proximal row of carpal bones, those of the distal row of carpal bones, and those of the two rows with each other.
Articulations
The bones in each carpal row interlock... |
https://en.wikipedia.org/wiki/Viewing%20angle | In display technology parlance, viewing angle is the angle at which a display can be viewed with an acceptable visual performance. In a technical context, the angular range is called viewing cone defined by a multitude of viewing directions. The viewing angle can be an angular range over which the display view is accep... |
https://en.wikipedia.org/wiki/Ecash | Ecash was conceived by David Chaum as an anonymous cryptographic electronic money or electronic cash system in 1982. It was realized through his corporation Digicash and used as micropayment system at one US bank from 1995 to 1998.
Design
Chaum published the idea of anonymous electronic money in a 1983 paper; eCash so... |
https://en.wikipedia.org/wiki/Everysight | Everysight Ltd. is an Israeli technology company established in 2014 as a spinoff of Elbit Systems. Everysight develops smartglasses based on augmented reality technology for the civilian market. The company's main product is Raptor smartglasses.
History
Early years
Everysight's first generation projection system wa... |
https://en.wikipedia.org/wiki/%C3%89va%20Tardos | Éva Tardos (born 1 October 1957) is a Hungarian mathematician and the Jacob Gould Schurman Professor of Computer Science at Cornell University.
Tardos's research interest is algorithms. Her work focuses on the design and analysis of efficient methods for combinatorial optimization problems on graphs or networks. She h... |
https://en.wikipedia.org/wiki/Molecular%20Systems%20Biology | Molecular Systems Biology is a peer-reviewed open-access scientific journal covering systems biology at the molecular level (examples include: genomics, proteomics, metabolomics, microbial systems, the integration of cell signaling and regulatory networks), synthetic biology, and systems medicine. It was established in... |
https://en.wikipedia.org/wiki/Derivative%20chromosome | A derivative chromosome (der) is a structurally rearranged chromosome generated either by a chromosome rearrangement involving two or more chromosomes or by multiple chromosome aberrations within a single chromosome (e.g. an inversion and a deletion of the same chromosome, or deletions in both arms of a single chromoso... |
https://en.wikipedia.org/wiki/Alan%20Woodward%20%28computer%20scientist%29 | Alan Woodward is a British computer scientist at the University of Surrey. He is a specialist in computer security and a core member of the Surrey Centre for Cyber Security.
He studied physics as an undergraduate student and conducted research in signal processing as a postgraduate student. Both of these were at the U... |
https://en.wikipedia.org/wiki/Over%20the%20Rainbow | "Over the Rainbow" is a ballad by Harold Arlen with lyrics by Yip Harburg. It was written for the 1939 film The Wizard of Oz, in which it was sung by actress Judy Garland in her starring role as Dorothy Gale. It won the Academy Award for Best Original Song and became Garland's signature song.
About five minutes into t... |
https://en.wikipedia.org/wiki/Index%20of%20physics%20articles%20%28%21%24%40%29 | The index of physics articles is split into multiple pages due to its size.
To navigate by individual letter use the table of contents below.
!$@
't Hooft loop
't Hooft symbol
't Hooft–Polyakov monopole
(2+1)-dimensional topological gravity
(n-p) reaction
(−1)F
ΔT
Indexes of physics articles |
https://en.wikipedia.org/wiki/Reinsurance | Reinsurance is insurance that an insurance company purchases from another insurance company to insulate itself (at least in part) from the risk of a major claims event. With reinsurance, the company passes on ("cedes") some part of its own insurance liabilities to the other insurance company. The company that purchase... |
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/Path%20integral%20molecular%20dynamics | Path integral molecular dynamics (PIMD) is a method of incorporating quantum mechanics into molecular dynamics simulations using Feynman path integrals. In PIMD, one uses the Born–Oppenheimer approximation to separate the wavefunction into a nuclear part and an electronic part. The nuclei are treated quantum mechanical... |
https://en.wikipedia.org/wiki/List%20of%20symbols%20of%20Scientology | This is a list of symbols of Scientology, the Church of Scientology, and related organizations.
List
Trademarks
All official symbols of Scientology are trademarks held by the Religious Technology Center (RTC). They are said by the center to be used "on Scientology religious materials to signify their authenticity ..... |
https://en.wikipedia.org/wiki/Yusu%20Wang | Yusu Wang is a Chinese computer scientist and mathematician who works as a professor at the Halıcıoğlu Data Science Institute at the University of California, San Diego . Her research concerns computational geometry and computational topology, including results on discrete Laplace operators, curve simplification, and... |
https://en.wikipedia.org/wiki/Snapshot%20%28computer%20storage%29 | In computer systems, a snapshot is the state of a system at a particular point in time. The term was coined as an analogy to that in photography.
Rationale
A full backup of a large data set may take a long time to complete. On multi-tasking or multi-user systems, there may be writes to that data while it is being bac... |
https://en.wikipedia.org/wiki/Septum | In biology, a septum (Latin for something that encloses; : septa) is a wall, dividing a cavity or structure into smaller ones. A cavity or structure divided in this way may be referred to as septate.
Examples
Human anatomy
Interatrial septum, the wall of tissue that is a sectional part of the left and right atria of... |
https://en.wikipedia.org/wiki/Urine%20flow%20rate | Urine flow rate or urinary flow rate is the volumetric flow rate of urine during urination. It is a measure of the quantity of urine excreted in a specified period of time (per second or per minute). It is measured with uroflowmetry, a type of flow measurement.
The letters "V" (for volume) and "Q" (a conventional symb... |
https://en.wikipedia.org/wiki/National%20Cyber%20Range | The National Cyber Range is a cyber range project being overseen by DARPA to build a scale model of the Internet that can be used to carry out cyber war games. The project serves as a test range where the military can create antivirus technologies to guard against cyberterrorism and attacks from hackers.
Several organ... |
https://en.wikipedia.org/wiki/Oslo%20Analyzer | The Oslo Analyzer (1938 – 1954) was a mechanical analog differential analyzer, a type of computer, built in Norway from 1938 to 1942. It was the largest computer of its kind in the world when completed.
The differential analyzer was based on the same principles as the pioneer machine developed by Vannevar Bush at MIT.... |
https://en.wikipedia.org/wiki/Bagpipe%20theorem | In mathematics, the bagpipe theorem of describes the structure of the connected (but possibly non-paracompact) ω-bounded surfaces by showing that they are "bagpipes": the connected sum of a compact "bag" with several "long pipes".
Statement
A space is called ω-bounded if the closure of every countable set is compact.... |
https://en.wikipedia.org/wiki/Mean%20absolute%20difference | The mean absolute difference (univariate) is a measure of statistical dispersion equal to the average absolute difference of two independent values drawn from a probability distribution. A related statistic is the relative mean absolute difference, which is the mean absolute difference divided by the arithmetic mean, ... |
https://en.wikipedia.org/wiki/Slippery%20sequence | A slippery sequence is a small section of codon nucleotide sequences (usually UUUAAAC) that controls the rate and chance of ribosomal frameshifting. A slippery sequence causes a faster ribosomal transfer which in turn can cause the reading ribosome to "slip." This allows a tRNA to shift by 1 base (−1) after it has pair... |
https://en.wikipedia.org/wiki/Chorology | Chorology (from Greek , khōros, "place, space"; and , -logia) can mean
the study of the causal relations between geographical phenomena occurring within a particular region
the study of the spatial distribution of organisms (biogeography).
In geography, the term was first used by Strabo. In the twentieth century, Ri... |
https://en.wikipedia.org/wiki/Tricholoma%20portentosum | Tricholoma portentosum, commonly known as the charbonnier, streaked tricholoma, or sooty head, in North America, is a grey-capped edible mushroom of the large genus Tricholoma. It is found in woodlands in Europe and North America.
Taxonomy
The species was originally described as Agaricus portentosus by Elias Magnus Fr... |
https://en.wikipedia.org/wiki/Satplan | Satplan (better known as Planning as Satisfiability) is a method for automated planning. It converts the planning problem instance into an instance of the Boolean satisfiability problem, which is then solved using a method for establishing satisfiability such as the DPLL algorithm or WalkSAT.
Given a problem instance ... |
https://en.wikipedia.org/wiki/Cheekwood%20Botanical%20Garden%20and%20Museum%20of%20Art | Cheekwood is a historic estate on the western edge of Nashville, Tennessee that houses the Cheekwood Estate & Gardens. Formerly the residence of Nashville's Cheek family, the Georgian-style mansion was opened as a botanical garden and art museum in 1960.
History
Christopher Cheek founded a wholesale grocery busine... |
https://en.wikipedia.org/wiki/Up%20%28film%20series%29 | The Up series''' of documentary films follows the lives of ten males and four females in England beginning in 1964, when they were seven years old. The first film was titled Seven Up!, with later films adjusting the number in the title to match the age of the subjects at the time of filming. The documentary has had nin... |
https://en.wikipedia.org/wiki/Internal%20border%20control | Controls imposed on internal borders within a single state or territory include measures taken by governments to monitor and regulate the movement of people, animals, and goods across land, air, and maritime borders through border controls.
Background
Internal border controls are measures implemented to control the f... |
https://en.wikipedia.org/wiki/Vai%C5%9Be%E1%B9%A3ika%20S%C5%ABtra | Vaiśeṣika Sūtra (Sanskrit: वैशेषिक सूत्र), also called Kanada sutra, is an ancient Sanskrit text at the foundation of the Vaisheshika school of Hindu philosophy. The sutra was authored by the Hindu sage Kanada, also known as Kashyapa. According to some scholars, he flourished before the advent of Buddhism because the V... |
https://en.wikipedia.org/wiki/Mir-589%20microRNA%20precursor%20family | In molecular biology mir-589 microRNA is a short RNA molecule. MicroRNAs function to regulate the expression levels of other genes by several mechanisms.
Molecular targets
miR-589 has been implicated in the regulation of antimicrobial targets in bovine lung alveolar macrophages, and alongside other miRNAs has been sug... |
https://en.wikipedia.org/wiki/Urine-diverting%20dry%20toilet | A urine-diverting dry toilet (UDDT) is a type of dry toilet with urine diversion that can be used to provide safe, affordable sanitation in a variety of contexts worldwide. The separate collection of feces and urine without any flush water has many advantages, such as odor-free operation and pathogen reduction by dryin... |
https://en.wikipedia.org/wiki/The%20Machine%20%28computer%20architecture%29 | The Machine is the name of an experimental computer made by Hewlett Packard Enterprise. It was created as part of a research project to develop a new type of computer architecture for servers. The design focused on a “memory centric computing” architecture, where NVRAM replaced traditional DRAM and disks in the memory ... |
https://en.wikipedia.org/wiki/Kramers%27%20law | Kramers' law is a formula for the spectral distribution of X-rays produced by an electron hitting a solid target. The formula concerns only bremsstrahlung radiation, not the element specific characteristic radiation. It is named after its discoverer, the Dutch physicist Hendrik Anthony Kramers.
The formula for Kramers... |
https://en.wikipedia.org/wiki/Certificate%20revocation | In public key cryptography, a certificate may be revoked before it expires, which signals that it is no longer valid. Without revocation, an attacker could exploit such a compromised or misissued certificate until expiry. Hence, revocation is an important part of a public key infrastructure. Revocation is performed by ... |
https://en.wikipedia.org/wiki/Nonlinear%20system%20identification | System identification is a method of identifying or measuring the mathematical model of a system from measurements of the system inputs and outputs. The applications of system identification include any system where the inputs and outputs can be measured and include industrial processes, control systems, economic data,... |
https://en.wikipedia.org/wiki/HMAC-based%20one-time%20password | HMAC-based one-time password (HOTP) is a one-time password (OTP) algorithm based on HMAC. It is a cornerstone of the Initiative for Open Authentication (OATH).
HOTP was published as an informational IETF RFC 4226 in December 2005, documenting the algorithm along with a Java implementation. Since then, the algorithm ha... |
https://en.wikipedia.org/wiki/Fine-tuned%20universe | The characterization of the universe as finely tuned suggests that the occurrence of life in the universe is very sensitive to the values of certain fundamental physical constants and that values different from the observed ones are more probable. If the values of any of certain free parameters in contemporary physical... |
https://en.wikipedia.org/wiki/Standard%20tuning | In music, standard tuning refers to the typical tuning of a string instrument. This notion is contrary to that of scordatura, i.e. an alternate tuning designated to modify either the timbre or technical capabilities of the desired instrument.
Violin family
The most popular bowed strings used nowadays belong to the vi... |
https://en.wikipedia.org/wiki/Photon%20epoch | In physical cosmology, the photon epoch was the period in the evolution of the early universe in which photons dominated the energy of the universe. The photon epoch started after most leptons and anti-leptons were annihilated at the end of the lepton epoch, about 10 seconds after the Big Bang. Atomic nuclei were crea... |
https://en.wikipedia.org/wiki/4D-RCS%20Reference%20Model%20Architecture | The 4D/RCS Reference Model Architecture is a reference model for military unmanned vehicles on how their software components should be identified and organized.
The 4D/RCS has been developed by the Intelligent Systems Division (ISD) of the National Institute of Standards and Technology (NIST) since the 1980s.
This re... |
https://en.wikipedia.org/wiki/Homologous%20desensitization | Homologous desensitization occurs when a receptor decreases its response to an agonist at high concentration. It is a process through which, after prolonged agonist exposure, the receptor is uncoupled from its signaling cascade and thus the cellular effect of receptor activation is attenuated.
Homologous desensitizati... |
https://en.wikipedia.org/wiki/OPTOS%20formalism | OPTOS (optical properties of textured optical sheets) is a simulation formalism for determining optical properties of sheets with plane-parallel structured interfaces. The method is versatile as interface structures of different optical regimes, e.g. geometrical and wave optics, can be included. It is very efficient du... |
https://en.wikipedia.org/wiki/Cobthorn%20Trust | The Cobthorn Trust is a private non-profit trust in the United Kingdom that is dedicated to furthering conservation and preserving rare domestic animal breeds.
The Trust was formed in 1986 by its former Director, Andrew Sheppy. Until his death in 2017, the Trust was involved in the conservation of several rare bree... |
https://en.wikipedia.org/wiki/Hydrogenated%20starch%20hydrolysates | Hydrogenated starch hydrolysates (HSHs), also known as polyglycitol syrup (INS 964), are mixtures of several sugar alcohols (a type of sugar substitute). Hydrogenated starch hydrolysates were developed by the Swedish company Lyckeby Starch in the 1960s. The HSH family of polyols is an approved food ingredient in Canad... |
https://en.wikipedia.org/wiki/Shim%20%28magnetism%29 | A shim is a device used to adjust the homogeneity of a magnetic field. Shims received their name from the purely mechanical shims used to adjust position and parallelity of the pole faces of an electromagnet. Coils used to adjust the homogeneity of a magnetic field by changing the current flowing through it were called... |
https://en.wikipedia.org/wiki/CYP12%20family | Cytochrome P450, family 12, also known as CYP12, is a cytochrome P450 family found in insect genome belongs to Mitochondrial clan CYPs, which is located in the inner membrane of mitochondria(IMM). The first gene identified in this family is the CYP12A1 from the Musca domestica (house fly), which is involved in insectic... |
https://en.wikipedia.org/wiki/Jack%20o%27%20lantern%20mushroom | Jack o' lantern mushroom is a common name for several fungus species in the genus Omphalotus:
Omphalotus illudens of eastern North America
Omphalotus olearius occurs in Europe and South Africa
Omphalotus olivascens of California and Mexico
See also
Swamp beacon
Swamp candle (disambiguation)
Swamp lantern |
https://en.wikipedia.org/wiki/Proteobiotics | Proteobiotics are natural metabolites which are produced by fermentation process of specific probiotic strains. These small oligopeptides were originally discovered in and isolated from culture media used to grow probiotic bacteria and may account for some of the health benefits of probiotics.
Several genera of probio... |
https://en.wikipedia.org/wiki/Ammonia%20fungi | Ammonia fungi are fungi that develop fruit bodies exclusively or relatively abundantly on soil that has had ammonia or other nitrogen-containing materials added. The nitrogen materials react as bases by themselves, or after decomposition. The addition of ammonia or urea causes numerous chemical and biological changes, ... |
https://en.wikipedia.org/wiki/Juan%20Fern%C3%A1ndez%20Ridge | The Juan Fernández Ridge is a volcanic island and seamount chain on the Nazca Plate. It runs in a west–east direction from the Juan Fernández hotspot to the Peru–Chile Trench at a latitude of 33° S near Valparaíso. The Juan Fernández Islands are the only seamounts that reach the surface.
Subduction of the ridge benea... |
https://en.wikipedia.org/wiki/Shotgun%20email | Shotgun email refers to an email requesting information or action that only requires the efforts of one person but is sent to multiple people in an effort to guarantee that at least one person will respond. The shotgun email often results in multiple people responding to something already accomplished, and therefore re... |
https://en.wikipedia.org/wiki/Berkovich%20space | In mathematics, a Berkovich space, introduced by , is a version of an analytic space over a non-Archimedean field (e.g. p-adic field), refining Tate's notion of a rigid analytic space.
Motivation
In the complex case, algebraic geometry begins by defining the complex affine space to be For each we define the ring o... |
https://en.wikipedia.org/wiki/Rebus | A rebus () is a puzzle device that combines the use of illustrated pictures with individual letters to depict words or phrases. For example: the word "been" might be depicted by a rebus showing an illustrated bumblebee next to a plus sign (+) and the letter "n". It was a favourite form of heraldic expression used in th... |
https://en.wikipedia.org/wiki/WorldGaming%20Network | WorldGaming Network (WGN), formerly Virgin Gaming, is an online video gaming platform that hosts head-to-head matches, tournaments and ladders for consoles and PC gamers. WorldGaming has had over 3 million gamers register for its platform worldwide which makes it one of the most robust and dynamic global eSports commun... |
https://en.wikipedia.org/wiki/Excess%20chemical%20potential | In thermodynamics, the excess chemical potential is defined as the difference between the chemical potential of a given species and that of an ideal gas under the same conditions (in particular, at the same pressure, temperature, and composition).
The chemical potential of a particle species is therefore given by an i... |
https://en.wikipedia.org/wiki/Pipe%20organ%20tuning | This article describes the process and techniques involved in the tuning of a pipe organ. Electronic organs typically do not require tuning.
A pipe organ produces sound via hundreds or thousands of organ pipes, each of which produces a single pitch and timbre. The goal of tuning a pipe organ is to adjust the pitch o... |
https://en.wikipedia.org/wiki/MIT%20NETRA | NETRA is a mobile eye diagnostic device developed at MIT Media Lab consisting of a clip-on eyepiece and a software app for smart phones. The co-inventors include Ramesh Raskar and Vitor Pamplona. It can be seen as the inverse of expensive Shack-Hartmann sensors. NETRA allows for the early, low-cost diagnosis of the mos... |
https://en.wikipedia.org/wiki/Neumann%27s%20law | Neumann's law states that the molecular heat in compounds of analogous constitution is always the same. It is named after German mineralogist and physicist Franz Ernst Neumann. |
https://en.wikipedia.org/wiki/Cyclic%20nucleotide-binding%20domain | Proteins that bind cyclic nucleotides (cAMP or cGMP) share a structural domain of about 120 residues. The best studied of these proteins is the prokaryotic catabolite gene activator (also known as the cAMP receptor protein) (gene crp) where such a domain is known to be composed of three alpha-helices and a distinctive ... |
https://en.wikipedia.org/wiki/Eclipse%20process%20framework | The Eclipse process framework (EPF) is an open source project that is managed by the Eclipse Foundation. It lies under the top-level Eclipse Technology Project, and has two goals:
To provide an extensible framework and exemplary tools for software process engineering - method and process authoring, library management,... |
https://en.wikipedia.org/wiki/Isotopic%20analysis%20by%20nuclear%20magnetic%20resonance | Isotopic analysis by nuclear magnetic resonance allows the user to quantify with great precision the differences of isotopic contents on each site of a molecule and thus to measure the specific natural isotope fractionation for each site of this molecule. The SNIF-NMR analytical method was developed to detect the (over... |
https://en.wikipedia.org/wiki/Storage%20Management%20Initiative%20%E2%80%93%20Specification | The Storage Management Initiative Specification, commonly called SMI-S, is a computer data storage management standard developed and maintained by the Storage Networking Industry Association (SNIA). It has also been ratified as an ISO standard. SMI-S is based upon the Common Information Model and the Web-Based Enterpri... |
https://en.wikipedia.org/wiki/Animal%20migration | Animal migration is the relatively long-distance movement of individual animals, usually on a seasonal basis. It is the most common form of migration in ecology. It is found in all major animal groups, including birds, mammals, fish, reptiles, amphibians, insects, and crustaceans. The cause of migration may be local cl... |
https://en.wikipedia.org/wiki/White%20clothing%20in%20Korea | For over a thousand years, a significant proportion of Koreans wore white hanbok, sometimes called minbok (), on a daily basis. From birth to burial, many Korean people across the social spectrum dressed in white. Many Koreans only wore color on special occasions or if their job required a certain uniform. Early eviden... |
https://en.wikipedia.org/wiki/Ferroelectric%20liquid%20crystal%20display | Ferroelectric Liquid Crystal Display (FLCD) is a display technology based on the ferroelectric properties of chiral smectic liquid crystals as proposed in 1980 by Clark and Lagerwall. Reportedly discovered in 1975, several companies pursued the development of FLCD technologies, notably Canon and Central Research Labora... |
https://en.wikipedia.org/wiki/Military%20Intelligence%20Service%20%28United%20States%29 | The Military Intelligence Service (, America Rikugun Jōhōbu) was a World War II U.S. military unit consisting of two branches, the Japanese American unit (described here) and the German-Austrian unit based at Camp Ritchie, best known as the "Ritchie Boys". The unit described here was primarily composed of Nisei (second... |
https://en.wikipedia.org/wiki/Covariant%20derivative | In mathematics, the covariant derivative is a way of specifying a derivative along tangent vectors of a manifold. Alternatively, the covariant derivative is a way of introducing and working with a connection on a manifold by means of a differential operator, to be contrasted with the approach given by a principal conne... |
https://en.wikipedia.org/wiki/Polly%20and%20Molly | Polly and Molly (born 1997), two ewes, were the first mammals to have been successfully cloned from an adult somatic cell and to be transgenic animals at the same time. This is not to be confused with Dolly the Sheep, the first animal to be successfully cloned from an adult somatic cell where there wasn’t modification ... |
https://en.wikipedia.org/wiki/Coupling%20from%20the%20past | Among Markov chain Monte Carlo (MCMC) algorithms, coupling from the past is a method for sampling from the stationary distribution of a Markov chain. Contrary to many MCMC algorithms, coupling from the past gives in principle a perfect sample from the stationary distribution. It was invented by James Propp and David Wi... |
https://en.wikipedia.org/wiki/McKelvey%E2%80%93Schofield%20chaos%20theorem | The McKelvey–Schofield chaos theorem is a result in social choice theory. It states that if preferences are defined over a multidimensional policy space, then majority rule is in general unstable: there is no Condorcet winner. Furthermore, any point in the space can be reached from any other point by a sequence of majo... |
https://en.wikipedia.org/wiki/Address%20generation%20unit | The address generation unit (AGU), sometimes also called address computation unit (ACU), is an execution unit inside central processing units (CPUs) that calculates addresses used by the CPU to access main memory. By having address calculations handled by separate circuitry that operates in parallel with the rest of t... |
https://en.wikipedia.org/wiki/Dave%20Smith%20%28engineer%29 | David Joseph Smith (April 2, 1950 – May 31, 2022) was an American engineer and founder of the synthesizer company Sequential. Smith created the first polyphonic synthesizer with fully programmable memory, the Prophet-5, which had a major impact on the music industry. He also led the development of MIDI, a standard inte... |
https://en.wikipedia.org/wiki/Golden-section%20search | The golden-section search is a technique for finding an extremum (minimum or maximum) of a function inside a specified interval. For a strictly unimodal function with an extremum inside the interval, it will find that extremum, while for an interval containing multiple extrema (possibly including the interval boundarie... |
https://en.wikipedia.org/wiki/Discovery%20of%20disease-causing%20pathogens | The discovery of disease-causing pathogens is an important activity in the field of medical science. Many viruses, bacteria, protozoa, fungi, helminthes and prions are identified as a confirmed or potential pathogen. In the United States, a Centers for Disease Control program, begun in 1995, identified over a hundred p... |
https://en.wikipedia.org/wiki/Demographic%20dividend | Demographic dividend, as defined by the United Nations Population Fund (UNFPA), is "the economic growth potential that can result from shifts in a population’s age structure, mainly when the share of the working-age population (15 to 64) is larger than the non-working-age share of the population (14 and younger, and 65... |
https://en.wikipedia.org/wiki/Rs7997012 | In genetics, rs7997012 is a gene variation—a single nucleotide polymorphism (SNP)—in intron 2 of the human HTR2A gene that codes for the 5-HT2A receptor.
The SNP varies between adenine (A) and guanine (G) DNA bases with the G-allele being most frequent.
A research study found it to be related to antidepressant treatmen... |
https://en.wikipedia.org/wiki/Cellular%20differentiation | Cellular differentiation is the process in which a stem cell changes from one type to a differentiated one. Usually, the cell changes to a more specialized type. Differentiation happens multiple times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues a... |
https://en.wikipedia.org/wiki/The%20Talking%20Stone | "The Talking Stone" is a science fiction mystery short story by American writer Isaac Asimov, which first appeared in the October 1955 issue of The Magazine of Fantasy and Science Fiction and was reprinted in the 1968 collection Asimov's Mysteries. "The Talking Stone" was the second of Asimov's Wendell Urth stories.
... |
https://en.wikipedia.org/wiki/Red%20clump | The red clump is a clustering of red giants in the Hertzsprung–Russell diagram at around 5,000 K and absolute magnitude (MV) +0.5, slightly hotter than most red-giant-branch stars of the same luminosity. It is visible as a denser region of the red-giant branch or a bulge towards hotter temperatures. It is prominent i... |
https://en.wikipedia.org/wiki/List%20of%20Latin-script%20alphabets | The lists and tables below summarize and compare the letter inventories of some of the Latin-script alphabets. In this article, the scope of the word "alphabet" is broadened to include letters with tone marks, and other diacritics used to represent a wide range of orthographic traditions, without regard to whether or h... |
https://en.wikipedia.org/wiki/Anterior%20perforated%20substance | The anterior perforated substance is a part of the brain. It is bilateral. It is irregular and quadrilateral. It lies in front of the optic tract and behind the olfactory trigone.
Structure
The anterior perforated substance is bilateral. It lies in front of the optic tract. It lies behind the olfactory trigone, separ... |
https://en.wikipedia.org/wiki/Balanced%20salt%20solution | A balanced salt solution (BSS) is a solution made to a physiological pH and isotonic salt concentration. Solutions most commonly include sodium, potassium, calcium, magnesium, and chloride. Balanced salt solutions are used for washing tissues and cells and are usually combined with other agents to treat the tissues and... |
https://en.wikipedia.org/wiki/Random%20search | Random search (RS) is a family of numerical optimization methods that do not require the gradient of the problem to be optimized, and RS can hence be used on functions that are not continuous or differentiable. Such optimization methods are also known as direct-search, derivative-free, or black-box methods.
Anderson i... |
https://en.wikipedia.org/wiki/Coxeter%20notation | In geometry, Coxeter notation (also Coxeter symbol) is a system of classifying symmetry groups, describing the angles between fundamental reflections of a Coxeter group in a bracketed notation expressing the structure of a Coxeter-Dynkin diagram, with modifiers to indicate certain subgroups. The notation is named afte... |
https://en.wikipedia.org/wiki/Azimuthal%20quantum%20number | In quantum mechanics, the azimuthal quantum number is a quantum number for an atomic orbital that determines its orbital angular momentum and describes the shape of the orbital. The azimuthal quantum number is the second of a set of quantum numbers that describe the unique quantum state of an electron (the others bein... |
https://en.wikipedia.org/wiki/Eudoxus%20of%20Cnidus | Eudoxus of Cnidus (; , Eúdoxos ho Knídios; ) was an ancient Greek astronomer, mathematician, doctor, and lawmaker. He was a student of Archytas and Plato. All of his original works are lost, though some fragments are preserved in Hipparchus' Commentaries on the Phenomena of Aratus and Eudoxus. Spherics by Theodosius of... |
https://en.wikipedia.org/wiki/Peter%20Keevash | Peter Keevash (born 30 November 1978) is a British mathematician, working in combinatorics. He is a professor of mathematics at the University of Oxford and a Fellow of Mansfield College.
Early years
Keevash was born in Brighton, England, but mostly grew up in Leeds. He competed in the International Mathematical Olym... |
https://en.wikipedia.org/wiki/Mannheimia%20virus%20PHL101 | Mannheimia virus PHL101 is a virus of the family Myoviridae, genus Baylorvirus.
As a member of the group I of the Baltimore classification, Mannheimia virus PHL101 is a dsDNA viruses. All the family Myoviridae members share a nonenveloped morphology consisting of a head and a tail separated by a neck. Its genome is li... |
https://en.wikipedia.org/wiki/Sargan%E2%80%93Hansen%20test | The Sargan–Hansen test or Sargan's test is a statistical test used for testing over-identifying restrictions in a statistical model. It was proposed by John Denis Sargan in 1958, and several variants were derived by him in 1975. Lars Peter Hansen re-worked through the derivations and showed that it can be extended to ... |
https://en.wikipedia.org/wiki/Spermatic%20plexus | The spermatic plexus (or testicular plexus) is derived from the renal plexus, receiving branches from the aortic plexus. It accompanies the internal spermatic artery to the testis.
Additional images |
https://en.wikipedia.org/wiki/Carbaminohemoglobin | Carbaminohemoglobin (carbaminohaemoglobin BrE) (CO2Hb, also known as carbhemoglobin and carbohemoglobin) is a compound of hemoglobin and carbon dioxide, and is one of the forms in which carbon dioxide exists in the blood. Twenty-three percent of carbon dioxide is carried in blood this way (70% is converted into bicar... |
https://en.wikipedia.org/wiki/Thymidylate%20synthase%20inhibitor | Thymidylate synthase inhibitors are chemical agents which inhibit the enzyme thymidylate synthase and have potential as an anticancer chemotherapy. This inhibition prevents the methylation of C5 of deoxyuridine monophosphate (dUMP) thereby inhibiting the synthesis of deoxythymidine monophosphate (dTMP). The downstream... |
https://en.wikipedia.org/wiki/Cellular%20cardiomyoplasty | Cellular cardiomyoplasty, or cell-based cardiac repair, is a new potential therapeutic modality in which progenitor cells are used to repair regions of damaged or necrotic myocardium. The ability of transplanted progenitor cells to improve function within the failing heart has been shown in experimental animal models a... |
https://en.wikipedia.org/wiki/Centro%20Nacional%20de%20Aceleradores | The Centro Nacional de Aceleradores (CNA) is the centre for particle accelerators in Spain and is based in Seville. It was created in 1997.
It combines the efforts of the University of Seville, the Regional Government of Andalusia and the Spanish Higher Council for Scientific Research. It is located in the Cartuja 93 ... |
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