source stringlengths 31 227 | text stringlengths 9 2k |
|---|---|
https://en.wikipedia.org/wiki/Pico%20%28programming%20language%29 | Pico is a programming language developed at the Software Languages Lab at Vrije Universiteit Brussel. The language was created to introduce the essentials of programming to non-computer science students.
Pico can be seen as an effort to generate a palatable and enjoyable language for people who do not want to study ha... |
https://en.wikipedia.org/wiki/Smarterphone | Smarterphone was a Norwegian company making software for mobile phones, founded in 1993 as Kvaleberg AS before being renamed in December 2010.
In June 2007, venture capital investor Ferd invested €2 million in the company.
By January 2010, further €3.6 million was invested.
Nokia completed acquisition of Smarterphone b... |
https://en.wikipedia.org/wiki/Association%20of%20Los%20Alamos%20Scientists | The Association of Los Alamos Scientists (ALAS) was founded on August 30, 1945, by a group of scientists, who had worked on the development of the atomic bomb at the Los Alamos Laboratory, a division of the Manhattan Project.
Purpose
The purpose of the organization was "to promote the attainment and use of scientific ... |
https://en.wikipedia.org/wiki/Connection-oriented%20communication | In telecommunications and computer networking, connection-oriented communication is a communication protocol where a communication session or a semi-permanent connection is established before any useful data can be transferred. The established connection ensures that data is delivered in the correct order to the upper ... |
https://en.wikipedia.org/wiki/CAN%20bus | A Controller Area Network (CAN bus) is a vehicle bus standard designed to allow microcontrollers and devices to communicate with each other's applications without a host computer. It is a message-based protocol, designed originally for multiplex electrical wiring within automobiles to save on copper, but it can also be... |
https://en.wikipedia.org/wiki/List%20of%20integrals%20of%20inverse%20hyperbolic%20functions | The following is a list of indefinite integrals (antiderivatives) of expressions involving the inverse hyperbolic functions. For a complete list of integral formulas, see lists of integrals.
In all formulas the constant is assumed to be nonzero, and denotes the constant of integration.
For each inverse hyperbolic ... |
https://en.wikipedia.org/wiki/2%2C5-Dimethoxy-p-cymene | 2,5-Dimethoxy-p-cymene, or thymohydroquinone dimethyl ether, is a phytochemical found in the essential oils of plants within the family Asteraceae. These essential oils, which contain the compound as a major component of the oil, have antifungal, antibacterial, and insecticidal properties.
Natural occurrence
2,5-Dim... |
https://en.wikipedia.org/wiki/Mobile%202.0 | Mobile 2.0, refers to a perceived next generation of mobile internet services that leverage the social web, or what some call Web 2.0. The social web includes social networking sites and wikis that emphasize collaboration and sharing amongst users.
Mobile Web 2.0, with an emphasis on the Web, refers to bringing Web 2.... |
https://en.wikipedia.org/wiki/Circuits%20over%20sets%20of%20natural%20numbers | Circuits over natural numbers are a mathematical model used in studying computational complexity theory. They are a special case of circuits. The object is a labeled directed acyclic graph the nodes of which evaluate to sets of natural numbers, the leaves are finite sets, and the gates are set operations or arithmetic ... |
https://en.wikipedia.org/wiki/Jelastic | Jelastic is a cloud platform software vendor that provides multi-cloud Platform as a Service-based on container technology for hosting service providers, ISVs, telecommunication companies, enterprises and developers. The platform is available as public cloud in over 70 data centers, as well as virtual and on-premises s... |
https://en.wikipedia.org/wiki/Microfabrication | Microfabrication is the process of fabricating miniature structures of micrometre scales and smaller. Historically, the earliest microfabrication processes were used for integrated circuit fabrication, also known as "semiconductor manufacturing" or "semiconductor device fabrication". In the last two decades microelectr... |
https://en.wikipedia.org/wiki/Lateral%20vestibular%20nucleus | The lateral vestibular nucleus (Deiters's nucleus) is the continuation upward and lateralward of the principal nucleus, and in it terminate many of the ascending branches of the vestibular nerve.
Structure
It consists of very large multipolar cells whose axons form an important part of the posterior longitudinal bundl... |
https://en.wikipedia.org/wiki/Stein-Rosenberg%20theorem | The Stein-Rosenberg theorem, proved in 1948, states that under certain premises, the Jacobi method and the Gauss-Seidel method are either both convergent, or both divergent. If they are convergent then the Gauss-Seidel is asymptotically faster than the Jacobi method.
Let . Let be the spectral radius of a matrix . Let... |
https://en.wikipedia.org/wiki/Buck%20%28human%20resources%20consulting%20company%29 | Buck (formerly Buck Consultants) is a global HR benefits and human resource consulting firm based in New York City. On April 3, 2023, the company was acquired by Arthur J. Gallagher & Co.
History
Founded as an actuarial firm in New York City in 1916 by George B. Buck Sr., in 2016 the firm had more than 1,500 employees... |
https://en.wikipedia.org/wiki/Dried%20fish | Fresh fish rapidly deteriorates unless some way can be found to preserve it. Drying is a method of food preservation that works by removing water from the food, which inhibits the growth of microorganisms. Open air drying using sun and wind has been practiced since ancient times to preserve food. Water is usually remov... |
https://en.wikipedia.org/wiki/Oral%20ecology | Oral ecology is the microbial ecology of the microorganisms found in mouths. Oral ecology, like all forms of ecology, involves the study of the living things found in oral cavities as well as their interactions with each other and with their environment. Oral ecology is frequently investigated from the perspective of o... |
https://en.wikipedia.org/wiki/ARGUS%20%28experiment%29 | ARGUS (A Russian-German-United States-Swedish Collaboration; later joined by Canada and the former Yugoslavia) was a particle physics experiment that ran at the electron–positron collider ring DORIS II at the German national laboratory DESY. Its aim was to explore properties of charm and bottom quarks. Its construction... |
https://en.wikipedia.org/wiki/Indian%20Monsoon%20Current | The Indian Monsoon Current refers to the seasonally varying ocean current regime found in the tropical regions of the northern Indian Ocean. During winter, the flow of the upper ocean is directed westward from near the Indonesian Archipelago to the Arabian Sea. During the summer, the direction reverses, with eastward... |
https://en.wikipedia.org/wiki/Bacteriocin%20IId | Bacteriocin AS-48 is a cyclic peptide antibiotic produced by the eubacteria Enterococcus faecalis (Streptococcus faecalis) that shows a broad antimicrobial spectrum against both Gram-positive and Gram-negative bacteria. Bacteriocin AS-48 is encoded by the pheromone-responsive plasmid pMB2, and acts on the plasma membra... |
https://en.wikipedia.org/wiki/T-J%20model | In solid-state physics, the t-J model is a model first derived in 1977 from the Hubbard model by Józef Spałek to explain antiferromagnetic properties of the Mott insulators and taking into account experimental results about the strength of electron-electron repulsion in this materials. The model consider the materials ... |
https://en.wikipedia.org/wiki/GreenPAK | GreenPAK™ is a Renesas Electronics' family of mixed-signal integrated circuits and development tools. GreenPAK circuits are classified as configurable mixed-signal ICs. This category is characterized by analog and digital blocks that can be configured through programmable non-volatile memory. These devices also have a ... |
https://en.wikipedia.org/wiki/Ferrers%20function | In mathematics, Ferrers functions are certain special functions defined in terms of hypergeometric functions.
They are named after Norman Macleod Ferrers.
Definitions
When the order μ and the degree ν are real and x ∈ (-1,1)
Ferrers function of the first kind
Ferrers function of the second kind
See also
Legend... |
https://en.wikipedia.org/wiki/Optical%20theorem | In physics, the optical theorem is a general law of wave scattering theory, which relates the zero-angle scattering amplitude to the total cross section of the scatterer. It is usually written in the form
where (0) is the scattering amplitude with an angle of zero, that is the amplitude of the wave scattered to the c... |
https://en.wikipedia.org/wiki/Central%20pattern%20generator | Central pattern generators (CPGs) are self-organizing biological neural circuits that produce rhythmic outputs in the absence of rhythmic input. They are the source of the tightly-coupled patterns of neural activity that drive rhythmic and stereotyped motor behaviors like walking, swimming, breathing, or chewing. The a... |
https://en.wikipedia.org/wiki/Botanical%20garden%20of%20Thutmosis%20III | The Botanical garden of Thutmose III () is found in the temple of Amun-Re, and was constructed during the New Kingdom by Thutmose III. This structure is unique from other architecture found during this time. This complex was composed of three rooms including two antechambers that lead to the largest sanctuary of the co... |
https://en.wikipedia.org/wiki/Gildersleeve%27s%20Ghost | Gildersleeve's Ghost is a 1944 American comedy film directed by Gordon Douglas from an original screenplay by Robert E. Kent. It is the fourth and final film in the Gildersleeve's series, all of which were produced and distributed by RKO Radio Pictures, based on the popular NBC radio program, The Great Gildersleeve, c... |
https://en.wikipedia.org/wiki/Ecological%20vegetation%20class | An ecological vegetation class (EVC) is a component of the vegetation classification system developed and used by the state of Victoria, Australia, since 1994, for mapping floristic biodiversity. Ecological vegetation classes are groupings of vegetation communities based on floristic, structural, and ecological feature... |
https://en.wikipedia.org/wiki/Cue%20card | Cue cards, also known as note cards, are cards with words written on them that help actors and speakers remember what they have to say. They are typically used in television productions where they can be held off-camera and are unseen by the audience. Cue cards are still currently being used on many late night talk sho... |
https://en.wikipedia.org/wiki/Society%20for%20Modeling%20and%20Simulation%20International | The Society for Modeling and Simulation International (SCS) is a membership-based, technical association of simulationists. SCS promotes the use of modeling and simulation in a variety of application areas. SCS was established in 1952 as a nonprofit, volunteer-driven corporation called Simulation Councils, Inc. Simula... |
https://en.wikipedia.org/wiki/195%20%28number%29 | 195 (one hundred [and] ninety-five) is the natural number following 194 and preceding 196.
In mathematics
195 is:
the sum of eleven consecutive primes: 3 + 5 + 7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37
the smallest number expressed as a sum of distinct squares in 16 different ways
a centered tetrahedral number
in... |
https://en.wikipedia.org/wiki/Gene%20F.%20Franklin | Gene F. Franklin (July 25, 1927 – August 9, 2012) was an American electrical engineer and control theorist known for his pioneering work towards the advancement of the control systems engineering – a subfield of electrical engineering. Most of his work on control theory was adapted immediately into NASA's U.S. space pr... |
https://en.wikipedia.org/wiki/Daseian%20notation | Daseian notation (or dasian notation) is the type of musical notation used in the ninth century anonymous musical treatises Musica enchiriadis and Scolica enchiriadis. The music of the Musica enchiriadis and Scolica enchiriadis, written in Daseian notation, are the earliest known examples of written polyphonic music in... |
https://en.wikipedia.org/wiki/Multi-track%20Turing%20machine | A Multitrack Turing machine is a specific type of multi-tape Turing machine.
In a standard n-tape Turing machine, n heads move independently along n tracks. In a n-track Turing machine, one head reads and writes on all tracks simultaneously. A tape position in an n-track Turing Machine contains n symbols from the tap... |
https://en.wikipedia.org/wiki/69th%20meridian%20west | The meridian 69° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Atlantic Ocean, the Caribbean Sea, South America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole.
The 69th meridian west forms a great circle with the 111th me... |
https://en.wikipedia.org/wiki/Adulterant | An adulterant is caused by the act of adulteration, a practice of secretly mixing a substance with another. Typical substances that are adulterated include but are not limited to food, cosmetics, pharmaceuticals, fuel, or other chemicals, that compromise the safety or effectiveness of the said substance.
It will not n... |
https://en.wikipedia.org/wiki/Indirection | In computer programming, indirection (also called dereferencing) is the ability to reference something using a name, reference, or container instead of the value itself. The most common form of indirection is the act of manipulating a value through its memory address. For example, accessing a variable through the use o... |
https://en.wikipedia.org/wiki/Borg%20%28microbiology%29 | A borg is a "giant extrachromosomal element with the potential to augment methane oxidation", described by Basem Al-Shayeb and Jill Banfield. Borgs are long DNA sequences existing alongside the main chromosome in the archaea Methanoperedens, in oxygen-starved environments such as deep mud. Borgs were discovered by Prof... |
https://en.wikipedia.org/wiki/Uehling%20potential | In quantum electrodynamics, the Uehling potential describes the interaction potential between
two electric charges which, in addition to the classical Coulomb potential, contains an extra term responsible for the electric polarization of the vacuum. This potential was found by Edwin Albrecht Uehling in 1935.
Uehling'... |
https://en.wikipedia.org/wiki/Authenticated%20Received%20Chain | Authenticated Received Chain (ARC) is an email authentication system designed to allow an intermediate mail server like a mailing list or forwarding service to sign an email's original authentication results. This allows a receiving service to validate an email when the email's SPF and DKIM records are rendered invalid... |
https://en.wikipedia.org/wiki/Desert%20fungi | The desert fungi are a variety of terricolous fungi inhabiting the biological soil crust of arid regions. Those exposed to the sun typically contain melanin and are resistant to high temperatures, dryness and low nutrition. Species that are common elsewhere (e.g. Penicillium spp. and common soil Aspergillus spp.) do no... |
https://en.wikipedia.org/wiki/Light%20beam | A light beam or beam of light is a directional projection of light energy radiating from a light source. Sunlight forms a light beam (a sunbeam) when filtered through media such as clouds, foliage, or windows. To artificially produce a light beam, a lamp and a parabolic reflector is used in many lighting devices such a... |
https://en.wikipedia.org/wiki/Vaccinator | A vaccinator is a person who gives injections of a vaccine to people. Vaccinators require the skills of knowing where to inject the needle into the recipient as well as preparing the substance to be injected.
Under normal conditions, routine inoculations can be given by one’s healthcare provider, at a pharmacy, or at ... |
https://en.wikipedia.org/wiki/Radio-controlled%20submarine | A radio-controlled submarine is a scale model of a submarine that can be steered via radio control. The most common form are those operated by hobbyists. These can range from inexpensive toys to complex projects involving sophisticated electronics. Oceanographers and military units also operate radio-controlled submari... |
https://en.wikipedia.org/wiki/Inferior%20nasal%20concha | The inferior nasal concha (inferior turbinated bone or inferior turbinal/turbinate) is one of the three paired nasal conchae in the nose. It extends horizontally along the lateral wall of the nasal cavity and consists of a lamina of spongy bone, curled upon itself like a scroll, (turbinate meaning inverted cone). The ... |
https://en.wikipedia.org/wiki/Arbitrary%20unit | In science and technology, an arbitrary unit (abbreviated arb. unit, see below)
or procedure defined unit (p.d.u.)
is a relative unit of measurement to show the ratio of amount of substance, intensity, or other quantities, to a predetermined reference measurement. The reference measurement is typically defined by the l... |
https://en.wikipedia.org/wiki/Organizational%20hologram | Organizational hologram is the method of organization theories described in the book The Organizational Hologram: The Effective Management of Organizational Change (1991), by Kenneth D. Mackenzie.
It is claimed that if an organization has twelve holonomic processes working, it would have the property of achieving and ... |
https://en.wikipedia.org/wiki/China%20Quality%20Certification%20Center | The China Quality Certification Center (CQC, Chinese 中国质量认证中心, Pinyin Zhōngguó Zhìliàng Rènzhèng Zhōngxīn) is a Chinese administration based in Beijing with responsibilities for the implementation of product certification. It is responsible for product standards and quality standards sold on the Chinese market.
Superi... |
https://en.wikipedia.org/wiki/Pyrosequencing | Pyrosequencing is a method of DNA sequencing (determining the order of nucleotides in DNA) based on the "sequencing by synthesis" principle, in which the sequencing is performed by detecting the nucleotide incorporated by a DNA polymerase. Pyrosequencing relies on light detection based on a chain reaction when pyrophos... |
https://en.wikipedia.org/wiki/Dual%20Hahn%20polynomials | In mathematics, the dual Hahn polynomials are a family of orthogonal polynomials in the Askey scheme of hypergeometric orthogonal polynomials. They are defined on a non-uniform lattice and are defined as
for and the parameters are restricted to .
Note that is the rising factorial, otherwise known as the Pochhamme... |
https://en.wikipedia.org/wiki/Redlich%E2%80%93Kwong%20equation%20of%20state | In physics and thermodynamics, the Redlich–Kwong equation of state is an empirical, algebraic equation that relates temperature, pressure, and volume of gases. It is generally more accurate than the van der Waals equation and the ideal gas equation at temperatures above the critical temperature. It was formulated by ... |
https://en.wikipedia.org/wiki/NBench | NBench, short for Native mode Benchmark and later known as BYTEmark, is a synthetic computing benchmark program developed in the mid-1990s by the now defunct BYTE magazine intended to measure a computer's CPU, FPU, and Memory System speed.
History
NBench is essentially release 2 of BYTE Magazine's BYTEmark benchmark ... |
https://en.wikipedia.org/wiki/Statistical%20field%20theory | In theoretical physics, statistical field theory (SFT) is a theoretical framework that describes phase transitions. It does not denote a single theory but encompasses many models, including for magnetism, superconductivity, superfluidity, topological phase transition, wetting as well as non-equilibrium phase transition... |
https://en.wikipedia.org/wiki/Trapped-ion%20quantum%20computer | A trapped-ion quantum computer is one proposed approach to a large-scale quantum computer. Ions, or charged atomic particles, can be confined and suspended in free space using electromagnetic fields. Qubits are stored in stable electronic states of each ion, and quantum information can be transferred through the colle... |
https://en.wikipedia.org/wiki/Michael%20D.%20Plummer | Michael David Plummer (born 1937) is a retired mathematics professor from Vanderbilt University. His field of work is in graph theory in which he has produced over a hundred papers and publications. He has also spoken at over a hundred and fifty guest lectures around the world.
Education and career
Plummer was born i... |
https://en.wikipedia.org/wiki/Journal%20of%20Number%20Theory | The Journal of Number Theory (JNT) is a bimonthly peer-reviewed scientific journal covering all aspects of number theory. The journal was established in 1969 by R.P. Bambah, P. Roquette, A. Ross, A. Woods, and H. Zassenhaus (Ohio State University). It is currently published monthly by Elsevier and the editor-in-chief i... |
https://en.wikipedia.org/wiki/Apex%20%28radio%20band%29 | Apex radio stations (also known as skyscraper and pinnacle) was the name commonly given to a short-lived group of United States broadcasting stations, which were used to evaluate transmitting on frequencies that were much higher than the ones used by standard amplitude modulation (AM) and shortwave stations. Their name... |
https://en.wikipedia.org/wiki/OpenSim%20%28simulation%20toolkit%29 | OpenSim is an open source software system for biomechanical modeling, simulation and analysis. Its purpose is to provide free and widely accessible tools for conducting biomechanics research and motor control science. OpenSim enables a wide range of studies, including analysis of walking dynamics, studies of sports pe... |
https://en.wikipedia.org/wiki/Evanescent%20field | In electromagnetics, an evanescent field, or evanescent wave, is an oscillating electric and/or magnetic field that does not propagate as an electromagnetic wave but whose energy is spatially concentrated in the vicinity of the source (oscillating charges and currents). Even when there is a propagating electromagnetic... |
https://en.wikipedia.org/wiki/Cancer%20immunotherapy | Cancer immunotherapy (sometimes called immuno-oncology) is the stimulation of the immune system to treat cancer, improving on the immune system's natural ability to fight the disease. It is an application of the fundamental research of cancer immunology and a growing subspecialty of oncology.
Cancer immunotherapy expl... |
https://en.wikipedia.org/wiki/D.%20R.%20Kaprekar | Dattatreya Ramchandra Kaprekar (; 17 January 1905 – 1986) was an Indian recreational mathematician who described several classes of natural numbers including the Kaprekar, harshad and self numbers and discovered the Kaprekar's constant, named after him. Despite having no formal postgraduate training and working as a s... |
https://en.wikipedia.org/wiki/Sex%20segregation | Sex segregation, sex separation, gender segregation or gender separation is the physical, legal, or cultural separation of people according to their biological sex at any age. Sex segregation can refer simply to the physical and spatial separation by sex without any connotation of illegal discrimination. In other circu... |
https://en.wikipedia.org/wiki/Research%20Triangle | The Research Triangle, or simply The Triangle, are both common nicknames for a metropolitan area in the Piedmont region of the U.S. state of North Carolina. Anchored by the cities of Raleigh, Durham and the town of Chapel Hill, the region is home to three major research universities: North Carolina State University, Du... |
https://en.wikipedia.org/wiki/Plateau%20potentials | Plateau potentials, caused by persistent inward currents (PICs), are a type of electrical behavior seen in neurons.
Spinal Cord
Plateau potentials are of particular importance to spinal cord motor systems. PICs are set up by the influence of descending monoaminergic reticulospinal pathways. Metabotropic neurotransmit... |
https://en.wikipedia.org/wiki/Elmer%20A.%20Sperry%20Award | The Elmer A. Sperry Award, named after the inventor and entrepreneur, is an American transportation engineering prize.
It has been given since 1955 for "a distinguished engineering contribution which, through application, proved in actual service, has advanced the art of transportation whether by land, sea, air, or sp... |
https://en.wikipedia.org/wiki/Neckeropsis%20pocsii | Neckeropsis pocsii is a species of moss in the family Neckeraceae. It is endemic to Comoros. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss. |
https://en.wikipedia.org/wiki/TRPM5 | Transient receptor potential cation channel subfamily M member 5 (TRPM5), also known as long transient receptor potential channel 5 is a protein that in humans is encoded by the TRPM5 gene.
Function
TRPM5 is a calcium-activated non-selective cation channel that induces depolarization upon increases in intracellular ... |
https://en.wikipedia.org/wiki/Czech%20koruna | The koruna, or crown (sign: Kč; code: CZK, ), has been the currency of the Czech Republic since 1993. The koruna is one of the European Union's eight currencies, and the Czech Republic is legally bound to adopt the euro in the future.
The official name in Czech is (plural , though the zero-grade genitive plural form ... |
https://en.wikipedia.org/wiki/Fontaine%27s%20period%20rings | In mathematics, Fontaine's period rings are a collection of commutative rings first defined by Jean-Marc Fontaine that are used to classify p-adic Galois representations.
The ring BdR
The ring is defined as follows. Let denote the completion of . Let
So an element of is a sequence of elements
such that . There ... |
https://en.wikipedia.org/wiki/European%20Pirate%20Party | The European Pirates (PIRATES) or European Pirate Party (PPEU) is an association of parties aspiring to be recognised as a European political party by the European Union. It was founded on 21 March 2014 at the European Parliament in Brussels in the context of a conference on "European Internet Governance and Beyond", a... |
https://en.wikipedia.org/wiki/Restricted%20sumset | In additive number theory and combinatorics, a restricted sumset has the form
where are finite nonempty subsets of a field F and is a polynomial over F.
If is a constant non-zero function, for example for any , then is the usual sumset which is denoted by if
When
S is written as which is denoted by if ... |
https://en.wikipedia.org/wiki/Graphisoft%20BIM%20Server | Graphisoft BIM Server is software for building information model based team collaboration developed for architects, interior designers and planners by Graphisoft. Graphisoft BIM Server acts as a central file storage, document and version management tool and a framework for facilitating interaction and collaboration bet... |
https://en.wikipedia.org/wiki/1%3A43%20scale | 1:43 scale is a popular size of die-cast model cars in Europe, Asia and the US. It has its origins in the British / European O scale for model trains and the rise of certain accessories made for that scale which since have become popular in their own right. Models in this scale are 10–13 cm length (3.93–5.11 inches).
... |
https://en.wikipedia.org/wiki/Phoratoxin%20and%20viscotoxin | Phoratoxins are a group of peptide toxins that belong to the family of thionins, a subdivision of small plant toxins (5000 kD MW). Phoratoxins are proteins present in the leaves and branches of the Phoradendron, commonly known as the American variant of the mistletoe, a plant commonly used as decoration during the fest... |
https://en.wikipedia.org/wiki/Nesting%20instinct | Nesting behavior refers to an instinct in animals during reproduction to prepare a place with optimal conditions for offspring. The nesting place provides protection against predators and competitors that mean to exploit or kill offspring. It also provides protection against the physical environment.
Nest building is... |
https://en.wikipedia.org/wiki/Galactic%20Center%20GeV%20excess | The Galactic Center GeV Excess (GCE) is an unexpected surplus of gamma-ray radiation in the center of the Milky Way galaxy. This spherical source of radiation was first detected in 2009 by the Fermi Gamma-ray Space Telescope and is unexplained by direct observation. Two percent of the gamma ray radiation in a 30° radi... |
https://en.wikipedia.org/wiki/Time%20and%20frequency%20transfer | Time and frequency transfer is a scheme where multiple sites share a precise reference time or frequency.
The technique is commonly used for creating and distributing standard time scales such as International Atomic Time (TAI).
Time transfer solves problems such as astronomical observatories correlating observed flas... |
https://en.wikipedia.org/wiki/List%20of%20flashcard%20software | This article contains a list of notable flashcard software. Flashcards are widely used as a learning drill to aid memorization by way of spaced repetition.
Software
Platform support |
https://en.wikipedia.org/wiki/Differential%20centrifugation | In biochemistry and cell biology, differential centrifugation (also known as differential velocity centrifugation) is a common procedure used to separate organelles and other sub-cellular particles based on their sedimentation rate. Although often applied in biological analysis, differential centrifugation is a general... |
https://en.wikipedia.org/wiki/A%20History%20of%20Vector%20Analysis | A History of Vector Analysis (1967) is a book on the history of vector analysis by Michael J. Crowe, originally published by the University of Notre Dame Press.
As a scholarly treatment of a reformation in technical communication, the text is a contribution to the history of science. In 2002, Crowe gave a talk summariz... |
https://en.wikipedia.org/wiki/Peliosis%20hepatis | Peliosis hepatis is an uncommon vascular condition characterised by multiple, randomly distributed, blood-filled cavities throughout the liver. The size of the cavities usually ranges between a few millimetres and 3 cm in diameter. In the past, it was a mere histological curiosity occasionally found at autopsies, but ... |
https://en.wikipedia.org/wiki/Vaughan%20Pratt | Vaughan Pratt (born April 12, 1944) is a Professor Emeritus at Stanford University, who was an early pioneer in the field of computer science. Since 1969, Pratt has made several contributions to foundational areas such as search algorithms, sorting algorithms, and primality testing. More recently, his research has focu... |
https://en.wikipedia.org/wiki/Female | An organism's sex is female (symbol: ♀) if it produces the ovum (egg cell), the type of gamete (sex cell) that fuses with the male gamete (sperm cell) during sexual reproduction.
A female has larger gametes than a male. Females and males are results of the anisogamous reproduction system, wherein gametes are of differ... |
https://en.wikipedia.org/wiki/Nielsen%20transformation | In mathematics, especially in the area of abstract algebra known as combinatorial group theory, Nielsen transformations, named after Jakob Nielsen, are certain automorphisms of a free group which are a non-commutative analogue of row reduction and one of the main tools used in studying free groups, . They were introduc... |
https://en.wikipedia.org/wiki/Michael%20R%C3%B6ckner | Michael Röckner is a mathematician working in the fields of Stochastic analysis and Mathematical Physics.
He obtained his PhD at the University of Bielefeld in 1984 under the supervision of Sergio Albeverio and Christopher John Preston.
Together with Claudia Prévôt, he wrote the book A Concise Course on Stochastic Pa... |
https://en.wikipedia.org/wiki/Polykay | In statistics, a polykay, or generalised k-statistic, (denoted ) is a statistic defined as a linear combination of sample moments.
Etymology
The word polykay was coined by American mathematician John Tukey in 1956, from poly, "many" or "much", and kay, the phonetic spelling of the letter "k", as in k-statistic. |
https://en.wikipedia.org/wiki/Topicity | In stereochemistry, topicity is the stereochemical relationship between substituents and the structure to which they are attached. Depending on the relationship, such groups can be heterotopic, homotopic, enantiotopic, or diastereotopic.
Homotopic
Homotopic groups in a chemical compound are equivalent groups. Two grou... |
https://en.wikipedia.org/wiki/Izvestiya%20Vysshikh%20Uchebnykh%20Zavedenii.%20Radioelektronika | Izvestiya Vysshikh Uchebnykh Zavedenii. Radioelektronika is a monthly peer-reviewed scientific journal published in Ukraine that covers electrical engineering, electronic engineering, and electronics. An English translation is published as Radioelectronics and Communications Systems. The Russian-language version is pu... |
https://en.wikipedia.org/wiki/Pteridophyte | A pteridophyte is a vascular plant (with xylem and phloem) that disperses spores. Because pteridophytes produce neither flowers nor seeds, they are sometimes referred to as "cryptogams", meaning that their means of reproduction is hidden.
Ferns, horsetails (often treated as ferns), and lycophytes (clubmosses, spikemos... |
https://en.wikipedia.org/wiki/List%20of%20food%20labeling%20regulations | The packaging and labeling of food is subject to regulation in most regions/jurisdictions, both to prevent false advertising and to promote food safety.
Regulations by type
Multi-faceted
Codex Alimentarius (international voluntary standard)
Ingredients and basic nutrition
Calorie count laws (restaurants)
Ingredi... |
https://en.wikipedia.org/wiki/Phase%20Transitions%20and%20Critical%20Phenomena | Phase Transitions and Critical Phenomena is a 20-volume series of books, comprising review articles on phase transitions and critical phenomena, published during 1972-2001. It is "considered the most authoritative series on the topic".
Volumes 1-6 were edited by Cyril Domb and Melville S. Green, and after Green's deat... |
https://en.wikipedia.org/wiki/Echo | In audio signal processing and acoustics, an echo is a reflection of sound that arrives at the listener with a delay after the direct sound. The delay is directly proportional to the distance of the reflecting surface from the source and the listener. Typical examples are the echo produced by the bottom of a well, by a... |
https://en.wikipedia.org/wiki/ATEN%20International | ATEN International Co.(Ltd) () is a multinational manufacturer of connectivity and access management hardware headquartered in Xizhi District, New Taipei, Taiwan. Its products include KVM switches, audiovisual switches and matrices, intelligent power distribution units, information technology management systems, and in... |
https://en.wikipedia.org/wiki/220%20%28number%29 | 220 (two hundred [and] twenty) is the natural number following 219 and preceding 221.
In mathematics
It is a composite number, with its proper divisors being 1, 2, 4, 5, 10, 11, 20, 22, 44, 55 and 110, making it an amicable number with 284. Every number up to 220 may be expressed as a sum of its divisors, making 220 a... |
https://en.wikipedia.org/wiki/GridPP | GridPP is a collaboration of particle physicists and computer scientists from the United Kingdom and CERN. They manage and maintain a distributed computing grid across the UK with the primary aim of providing resources to particle physicists working on the Large Hadron Collider (LHC) experiments at CERN. They are funde... |
https://en.wikipedia.org/wiki/Recrystallization%20%28chemistry%29 | In chemistry, recrystallization is a technique used to purify chemicals. By dissolving a mixture of a compound and impurities in an appropriate solvent, either the desired compound or impurities can be removed from the solution, leaving the other behind. It is named for the crystals often formed when the compound preci... |
https://en.wikipedia.org/wiki/Shared%20memory | In computer science, shared memory is memory that may be simultaneously accessed by multiple programs with an intent to provide communication among them or avoid redundant copies. Shared memory is an efficient means of passing data between programs. Depending on context, programs may run on a single processor or on mul... |
https://en.wikipedia.org/wiki/PDTV | PDTV is an abbreviation short for Pure Digital Television. Often seen as part of the filename of TV shows shared through P2P , The Scene, and FTP servers on the Internet. In this case, PDTV refers not to container, bitrate or dimensions of the video, but the digital nature of the capture source. Non Scene European rip... |
https://en.wikipedia.org/wiki/Foucault%20pendulum | The Foucault pendulum or Foucault's pendulum is a simple device named after French physicist Léon Foucault, conceived as an experiment to demonstrate the Earth's rotation. A long and heavy pendulum suspended from the high roof above a circular area was monitored over an extended time period, showing that its plane of o... |
https://en.wikipedia.org/wiki/Human%20ecosystem | Human ecosystems are human-dominated ecosystems of the anthropocene era that are viewed as complex cybernetic systems by conceptual models that are increasingly used by ecological anthropologists and other scholars to examine the ecological aspects of human communities in a way that integrates multiple factors as econo... |
https://en.wikipedia.org/wiki/Tight%20span | In metric geometry, the metric envelope or tight span of a metric space M is an injective metric space into which M can be embedded. In some sense it consists of all points "between" the points of M, analogous to the convex hull of a point set in a Euclidean space. The tight span is also sometimes known as the injectiv... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.