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https://en.wikipedia.org/wiki/EncFS | EncFS is a Free (LGPL) FUSE-based cryptographic filesystem. It transparently encrypts files, using an arbitrary directory as storage for the encrypted files.
Two directories are involved in mounting an EncFS filesystem: the source directory, and the mountpoint. Each file in the mountpoint has a specific file in the so... |
https://en.wikipedia.org/wiki/Gravity%20of%20Earth | The gravity of Earth, denoted by , is the net acceleration that is imparted to objects due to the combined effect of gravitation (from mass distribution within Earth) and the centrifugal force (from the Earth's rotation).
It is a vector quantity, whose direction coincides with a plumb bob and strength or magnitude is g... |
https://en.wikipedia.org/wiki/Optical%20mineralogy | Optical mineralogy is the study of minerals and rocks by measuring their optical properties. Most commonly, rock and mineral samples are prepared as thin sections or grain mounts for study in the laboratory with a petrographic microscope. Optical mineralogy is used to identify the mineralogical composition of geologica... |
https://en.wikipedia.org/wiki/Equations%20for%20a%20falling%20body | A set of equations describing the trajectories of objects subject to a constant gravitational force under normal Earth-bound conditions. Assuming constant acceleration g due to Earth’s gravity, Newton's law of universal gravitation simplifies to F = mg, where F is the force exerted on a mass m by the Earth’s gravitatio... |
https://en.wikipedia.org/wiki/Structure%E2%80%93activity%20relationship | The structure–activity relationship (SAR) is the relationship between the chemical structure of a molecule and its biological activity. This idea was first presented by Crum-Brown and Fraser in 1865.
The analysis of SAR enables the determination of the chemical group responsible for evoking a target biological effect i... |
https://en.wikipedia.org/wiki/Wu%20Wenjun | Wu Wenjun (; 12 May 1919 – 7 May 2017), also commonly known as Wu Wen-tsün, was a Chinese mathematician, historian, and writer. He was an academician at the Chinese Academy of Sciences (CAS), best known for Wu class, Wu formula, and Wu's method of characteristic set.
Biography
Wu's ancestral hometown was Jiashan, Zhej... |
https://en.wikipedia.org/wiki/Astrovirus | Astroviruses are a type of virus that was first discovered in 1975 using electron microscopes following an outbreak of diarrhea in humans. In addition to humans, astroviruses have now been isolated from numerous mammalian animal species (and are classified as genus Mamastrovirus) and from avian species such as ducks, c... |
https://en.wikipedia.org/wiki/TreeDL | Tree Description Language (TreeDL) is a computer language for description of strictly-typed tree data structures and operations on them. The main use of TreeDL is in the development of language-oriented tools (compilers, translators, etc.) for the description of a structure of abstract syntax trees.
Tree description c... |
https://en.wikipedia.org/wiki/Herbert%20Fr%C3%B6hlich | Herbert Fröhlich (9 December 1905 – 23 January 1991) FRS was a German-born British physicist.
Career
In 1927, Fröhlich entered Ludwig-Maximilians University in Munich to study physics, and received his doctorate under Arnold Sommerfeld in 1930. His first position was as Privatdozent at the University of Freiburg. Due... |
https://en.wikipedia.org/wiki/Glossary%20of%20wine%20terms | The glossary of wine terms lists the definitions of many general terms used within the wine industry. For terms specific to viticulture, winemaking, grape varieties, and wine tasting, see the topic specific list in the "See also" section below.
A
Abboccato
An Italian term for full-bodied wines with medium-level sweet... |
https://en.wikipedia.org/wiki/Dragon%27s%20Egg | Dragon's Egg is a 1980 hard science fiction novel by American writer Robert L. Forward. In the story, Dragon's Egg is a neutron star with a surface gravity 67 billion times that of Earth, and inhabited by cheela, intelligent creatures the size of a sesame seed who live, think and develop a million times faster than hum... |
https://en.wikipedia.org/wiki/Factorial%20moment%20generating%20function | In probability theory and statistics, the factorial moment generating function (FMGF) of the probability distribution of a real-valued random variable X is defined as
for all complex numbers t for which this expected value exists. This is the case at least for all t on the unit circle , see characteristic function. I... |
https://en.wikipedia.org/wiki/Bore%20%28wind%20instruments%29 | In music, the bore of a wind instrument (including woodwind and brass) is its interior chamber. This defines a flow path through which air travels, which is set into vibration to produce sounds. The shape of the bore has a strong influence on the instrument's timbre.
Bore shapes
The cone and the cylinder are the two... |
https://en.wikipedia.org/wiki/Abrikosov%20vortex | In superconductivity, a fluxon (also called an Abrikosov vortex or quantum vortex) is a vortex of supercurrent in a type-II superconductor, used by Alexei Abrikosov to explain magnetic behavior of type-II superconductors. Abrikosov vortices occur generically in the Ginzburg–Landau theory of superconductivity.
Overvie... |
https://en.wikipedia.org/wiki/Sacral%20architecture | Sacral architecture (also known as sacred architecture or religious architecture) is a religious architectural practice concerned with the design and construction of places of worship or sacred or intentional space, such as churches, mosques, stupas, synagogues, and temples. Many cultures devoted considerable resources... |
https://en.wikipedia.org/wiki/Stokes%20relations | In physical optics, the Stokes relations, named after Sir George Gabriel Stokes, describe the relative phase of light reflected at a boundary between materials of different refractive indices. They also relate the transmission and reflection coefficients for the interaction. Their derivation relies on a time-reversal ... |
https://en.wikipedia.org/wiki/Superconducting%20coherence%20length | In superconductivity, the superconducting coherence length, usually denoted as (Greek lowercase xi), is the characteristic exponent of the variations of the density of superconducting component.
The superconducting coherence length is one of two parameters in the Ginzburg–Landau theory of superconductivity. It is giv... |
https://en.wikipedia.org/wiki/Reactivity%E2%80%93selectivity%20principle | In chemistry the reactivity–selectivity principle or RSP states that a more reactive chemical compound or reactive intermediate is less selective in chemical reactions. In this context selectivity represents the ratio of reaction rates.
This principle was generally accepted until the 1970s when too many exceptions sta... |
https://en.wikipedia.org/wiki/Body%20plan | A body plan, (), or ground plan is a set of morphological features common to many members of a phylum of animals. The vertebrates share one body plan, while invertebrates have many.
This term, usually applied to animals, envisages a "blueprint" encompassing aspects such as symmetry, layers, segmentation, nerve, limb,... |
https://en.wikipedia.org/wiki/Peanut%20sauce | Peanut sauce, satay sauce (saté sauce), bumbu kacang, sambal kacang, or pecel is an Indonesian sauce made from ground roasted or fried peanuts, widely used in Indonesian cuisine and many other dishes throughout the world.
Peanut sauce is used with meat and vegetables, with grilled skewered meat, such as satays, poured... |
https://en.wikipedia.org/wiki/Siliceous%20sponge | The siliceous sponges form a major group of the phylum Porifera, consisting of classes Demospongiae and Hexactinellida. They are characterized by spicules made out of silicon dioxide, unlike calcareous sponges.
Individual siliachoates (silica skeleton scaffolding) can be arranged tightly within the sponginocyte or cro... |
https://en.wikipedia.org/wiki/Earth%27s%20rotation | Earth's rotation or Earth's spin is the rotation of planet Earth around its own axis, as well as changes in the orientation of the rotation axis in space. Earth rotates eastward, in prograde motion. As viewed from the northern polar star Polaris, Earth turns counterclockwise.
The North Pole, also known as the Geograph... |
https://en.wikipedia.org/wiki/British%20Atomic%20Scientists%20Association | The British Atomic Scientists Association (ASA or BASA), was founded by Joseph Rotblat in 1946.
It was a politically neutral group, composed of eminent physicists and other scientists and was concerned with matters of British public policy regarding applications and dangers of nuclear physics (including nuclear weapon... |
https://en.wikipedia.org/wiki/The%20Ground%20of%20Arts | Robert Recorde's Arithmetic: or, The Ground of Arts was one of the first printed English textbooks on arithmetic and the most popular of its time. The Ground of Arts appeared in London in 1543, and it was reprinted around 45 more editions until 1700. Editors and contributors of new sections included John Dee, John Mell... |
https://en.wikipedia.org/wiki/P%C3%B3lya%20enumeration%20theorem | The Pólya enumeration theorem, also known as the Redfield–Pólya theorem and Pólya counting, is a theorem in combinatorics that both follows from and ultimately generalizes Burnside's lemma on the number of orbits of a group action on a set. The theorem was first published by J. Howard Redfield in 1927. In 1937 it was i... |
https://en.wikipedia.org/wiki/Coconut%20milk%20powder | Coconut milk powder is a fine, white powder used in Southeast Asian and other cuisines. Coconut milk powder is manufactured through the spray drying process of raw unsweetened coconut cream and is reconstituted with water for use in recipes that call for coconut milk. Many commercially available coconut milk powders li... |
https://en.wikipedia.org/wiki/Card%20reader | A card reader is a data input device that reads data from a card-shaped storage medium. The first were punched card readers, which read the paper or cardboard punched cards that were used during the first several decades of the computer industry to store information and programs for computer systems. Modern card reader... |
https://en.wikipedia.org/wiki/Schuss | Schuss (, German for 'shot') was the first (then unofficial) mascot of the 1968 Winter Olympics in Grenoble, France, featuring a stylized cartoon character wearing skis. Schuss was seen on pins and small toys. Afterwards, every Olympic Games has had a mascot (excluding the 1972 Winter Olympics in Sapporo, Japan)
In a... |
https://en.wikipedia.org/wiki/Scanned%20synthesis | Scanned synthesis represents a powerful and efficient technique for animating wave tables and controlling them in real-time . Developed by Bill Verplank, Rob Shaw, and Max Mathews between 1998 and 1999 at Interval Research, Inc., it is based on the psychoacoustics of how we hear and appreciate timbres and on our motor ... |
https://en.wikipedia.org/wiki/DDObjects | DDObjects is a remoting framework for Borland Delphi and C++ Builder. A main goal while developing DDObjects has not been only to keep the code one has to implement in order to utilize DDObjects as simple as possible but also very close to Delphi's usual style of event-driven programming.
DDObjects supports remote met... |
https://en.wikipedia.org/wiki/Tobacco%20virtovirus%201 | Tobacco virtovirus 1, informally called Tobacco mosaic satellite virus, Satellite tobacco mosaic virus (STMV), or tobacco mosaic satellite virus, is a satellite virus first reported in Nicotiana glauca from southern California, U.S.. Its genome consists of linear positive-sense single-stranded RNA.
Tobacco virtovirus ... |
https://en.wikipedia.org/wiki/Lochlainn%20O%27Raifeartaigh | Lochlainn O'Raifeartaigh (; 11 March 1933 – 18 November 2000) was an Irish physicist in the field of theoretical particle physics. He is best known for the O'Raifeartaigh Theorem, a result in unification theory, and the O'Raifeartaigh Model of supersymmetry breaking.
O'Raifeartaigh was born in Clontarf, Dublin in 1933... |
https://en.wikipedia.org/wiki/Motty | Motty (11 July – 21 July 1978) was the only proven hybrid between an Asian and an African elephant. The male calf was born in Chester Zoo, to Asian mother Sheba and African father Jumbolino. He was named after George Mottershead, who founded the Chester Zoo in 1931.
Appearance
Motty's head and ears were morphologicall... |
https://en.wikipedia.org/wiki/Push-IMAP | Push-IMAP, which is otherwise known as P-IMAP or Push extensions for Internet Message Access Protocol, is an email protocol designed as a faster way to synchronise a mobile device like a PDA or smartphone to an email server.
It was developed by Oracle and other partners, and based on IMAP with additional enhancements... |
https://en.wikipedia.org/wiki/Rydberg%20molecule | A Rydberg molecule is an electronically excited chemical species. Electronically excited molecular states are generally quite different in character from electronically excited atomic states. However, particularly for highly electronically excited molecular systems, the ionic core interaction with an excited electron c... |
https://en.wikipedia.org/wiki/Surface%20runoff | Surface runoff (also known as overland flow or terrestrial runoff) is the unconfined flow of water over the ground surface, in contrast to channel runoff (or stream flow). It occurs when excess rainwater, stormwater, meltwater, or other sources, can no longer sufficiently rapidly infiltrate in the soil. This can occur ... |
https://en.wikipedia.org/wiki/BioGRID | The Biological General Repository for Interaction Datasets (BioGRID) is a curated biological database of protein-protein interactions, genetic interactions, chemical interactions, and post-translational modifications created in 2003 (originally referred to as simply the General Repository for Interaction Datasets (GRID... |
https://en.wikipedia.org/wiki/Aromatic%20ring%20current | An aromatic ring current is an effect observed in aromatic molecules such as benzene and naphthalene. If a magnetic field is directed perpendicular to the plane of the aromatic system, a ring current is induced in the delocalized π electrons of the aromatic ring. This is a direct consequence of Ampère's law; since the ... |
https://en.wikipedia.org/wiki/Zfone | Zfone is software for secure voice communication over the Internet (VoIP), using the ZRTP protocol. It is created by Phil Zimmermann, the creator of the PGP encryption software. Zfone works on top of existing SIP- and RTP-programs, but should work with any SIP- and RTP-compliant VoIP-program.
Zfone turns many existing... |
https://en.wikipedia.org/wiki/Principal%20type | In type theory, a type system is said to have the principal type property if, given a term and an environment, there exists a principal type for this term in this environment, i.e. a type such that all other types for this term in this environment are an instance of the principal type.
The principal type property is a... |
https://en.wikipedia.org/wiki/No%20Time%20Like%20the%20Past | "No Time Like the Past" is episode 112 of the American television anthology series The Twilight Zone. In this episode a man tries to escape the troubles of the 20th century by taking up residence in an idyllic small town in the 19th century.
Opening narration
Plot
Disgusted with 20th century problems such as world wa... |
https://en.wikipedia.org/wiki/Memory%20and%20aging | Age-related memory loss, sometimes described as "normal aging" (also spelled "ageing" in British English), is qualitatively different from memory loss associated with types of dementia such as Alzheimer's disease, and is believed to have a different brain mechanism.
Mild cognitive impairment
Mild cognitive impairment... |
https://en.wikipedia.org/wiki/Haag%E2%80%93%C5%81opusza%C5%84ski%E2%80%93Sohnius%20theorem | In theoretical physics, the Haag–Łopuszański–Sohnius theorem states that if both commutating and anticommutating generators are considered, then the only way to nontrivially mix spacetime and internal symmetries is through supersymmetry. The anticommutating generators must be spin-1/2 spinors which can additionally adm... |
https://en.wikipedia.org/wiki/Uncle%20Petros%20and%20Goldbach%27s%20Conjecture | Uncle Petros and Goldbach's Conjecture is a 1992 novel by Greek author Apostolos Doxiadis. It concerns a young man's interaction with his reclusive uncle, who sought to prove a famous unsolved mathematics problem, called Goldbach's Conjecture, that every even number greater than two is the sum of two primes. The novel ... |
https://en.wikipedia.org/wiki/Primordium | A primordium (; : primordia; synonym: anlage) in embryology, is an organ or tissue in its earliest recognizable stage of development. Cells of the primordium are called primordial cells. A primordium is the simplest set of cells capable of triggering growth of the would-be organ and the initial foundation from which a... |
https://en.wikipedia.org/wiki/Connectedness%20locus | In one-dimensional complex dynamics, the connectedness locus of a parameterized family of one-variable holomorphic functions is a subset of the parameter space which consists of those parameters for which the corresponding Julia set is connected.
Examples
Without doubt, the most famous connectedness locus is the Mande... |
https://en.wikipedia.org/wiki/Sheep%E2%80%93goat%20hybrid | A sheep–goat hybrid (called a geep in popular media or sometimes a shoat) is the offspring of a sheep and a goat. While sheep and goats are similar and can be mated, they belong to different genera in the subfamily Caprinae of the family Bovidae. Sheep belong to the genus Ovis and have 54 chromosomes, while goats belo... |
https://en.wikipedia.org/wiki/Profunctor | In category theory, a branch of mathematics, profunctors are a generalization of relations and also of bimodules.
Definition
A profunctor (also named distributor by the French school and module by the Sydney school) from a category to a category , written
,
is defined to be a functor
where denotes the opposite... |
https://en.wikipedia.org/wiki/Joan%20Roughgarden | Joan Roughgarden (born 13 March 1946) is an American ecologist and evolutionary biologist. She has engaged in theory and observation of coevolution and competition in Anolis lizards of the Caribbean, and recruitment limitation in the rocky intertidal zones of California and Oregon. She has more recently become known fo... |
https://en.wikipedia.org/wiki/Home%20Work%20Convention | Home Work Convention, created in 1996, is an International Labour Organization (ILO) Convention, which came into force in 2000. It offers protection to workers who are employed in their own homes.
Overview
It was established in 1996, with the preamble stating:
The Convention provides protection for home workers, givi... |
https://en.wikipedia.org/wiki/Fifth%20metacarpal%20bone | The fifth metacarpal bone (metacarpal bone of the little finger or pinky finger) is the most medial and second-shortest of the metacarpal bones.
Surfaces
It presents on its base one facet on its superior surface, which is concavo-convex and articulates with the hamate, and one on its radial side, which articulates wit... |
https://en.wikipedia.org/wiki/Fourth%20metacarpal%20bone | The fourth metacarpal bone (metacarpal bone of the ring finger) is shorter and smaller than the third.
The base is small and quadrilateral; its superior surface presents two facets, a large one medially for articulation with the hamate, and a small one laterally for the capitate.
On the radial side are two oval facet... |
https://en.wikipedia.org/wiki/Third%20metacarpal%20bone | The third metacarpal bone (metacarpal bone of the middle finger) is a little smaller than the second.
The dorsal aspect of its base presents on its radial side a pyramidal eminence, the styloid process, which extends upward behind the capitate; immediately distal to this is a rough surface for the attachment of the ex... |
https://en.wikipedia.org/wiki/Second%20metacarpal%20bone | The second metacarpal bone (metacarpal bone of the index finger) is the longest, and its base the largest, of all the metacarpal bones.
Human anatomy
Its base is prolonged upward and medialward, forming a prominent ridge.
It presents four articular facets, three on the upper surface and one on the ulnar side:
Of th... |
https://en.wikipedia.org/wiki/HP%20Xpander | The HP Xpander (F1903A) aka "Endeavour" was to be Hewlett-Packard's newest graphing calculator in 2002, but the project was cancelled in November 2001 months before it was scheduled to go into production. It had both a keyboard and a pen-based interface, measured 162.6 mm by 88.9 mm by 22.9 mm, with a large grayscale s... |
https://en.wikipedia.org/wiki/Chronology%20of%20computation%20of%20%CF%80 | The table below is a brief chronology of computed numerical values of, or bounds on, the mathematical constant pi (). For more detailed explanations for some of these calculations, see Approximations of .
The last 100 decimal digits of the latest 2022 world record computation are:
4658718895 1242883556 4671544483 9... |
https://en.wikipedia.org/wiki/Sun%20SPOT | Sun SPOT (Sun Small Programmable Object Technology) was a sensor node for a wireless sensor network developed by Sun Microsystems announced in 2007. The device used the IEEE 802.15.4 standard for its networking, and unlike other available sensor nodes, used the Squawk Java virtual machine.
After the acquisition of Su... |
https://en.wikipedia.org/wiki/McCumber%20cube | In 1991, John McCumber created a model framework for establishing and evaluating information security (information assurance) programs, now known as The McCumber Cube.
This security model is depicted as a three-dimensional Rubik's Cube-like grid.
The concept of this model is that, in developing information assurance s... |
https://en.wikipedia.org/wiki/Extreme%20Networks | Extreme Networks is an American networking company based in Morrisville, North Carolina. Extreme Networks designs, develops, and manufactures wired and wireless network infrastructure equipment and develops the software for network management, policy, analytics, security and access controls.
History
Extreme Networks w... |
https://en.wikipedia.org/wiki/Arthus%20reaction | In immunology, the Arthus reaction () is a type of local type III hypersensitivity reaction. Type III hypersensitivity reactions are immune complex-mediated, and involve the deposition of antigen/antibody complexes mainly in the vascular walls, serosa (pleura, pericardium, synovium), and glomeruli. This reaction is us... |
https://en.wikipedia.org/wiki/Cross-fostering | Cross-fostering is a technique used in animal husbandry, animal science, genetic and nature versus nurture studies, and conservation, whereby offspring are removed from their biological parents at birth and raised by surrogates, typically of a different species, hence 'cross.' This can also occasionally occur in nature... |
https://en.wikipedia.org/wiki/Optical%20lens%20design | Optical lens design is the process of designing a lens to meet a set of performance requirements and constraints, including cost and manufacturing limitations. Parameters include surface profile types (spherical, aspheric, holographic, diffractive, etc.), as well as radius of curvature, distance to the next surface, ma... |
https://en.wikipedia.org/wiki/FKM | FKM is a family of fluorocarbon-based fluoroelastomer materials defined by ASTM International standard D1418, and ISO standard 1629. It is commonly called fluorine rubber or fluoro-rubber. FKM is an abbreviation of Fluorine Kautschuk Material. All FKMs contain vinylidene fluoride as a monomer. Originally developed by ... |
https://en.wikipedia.org/wiki/Buckets%20of%20Rain | "Buckets of Rain" is a song by Bob Dylan, recorded on September 19, 1974 in New York City and released in 1975 on Dylan's critically acclaimed album Blood on the Tracks.
A September 18, 1974 outtake of the song was released in 2018 on the single-CD and 2-LP versions of The Bootleg Series Vol. 14: More Blood, More Trac... |
https://en.wikipedia.org/wiki/Lavasoft | Adaware, formerly known as Lavasoft, is a software development company that produces spyware and malware detection software, including Adaware. It operates as a subsidiary of Avanquest, a division of Claranova.
The company offers products Adaware Antivirus, Adaware Protect, Adaware Safe Browser, Adaware Privacy, Adawa... |
https://en.wikipedia.org/wiki/Adinkra%20symbols | Adinkra are symbols from Ghana that represent concepts or aphorisms. Adinkra are used extensively in fabrics, logos and pottery. They are incorporated into walls and other architectural features. Adinkra symbols appear on some traditional Akan goldweights. The symbols are also carved on stools for domestic and ritual u... |
https://en.wikipedia.org/wiki/Palais%E2%80%93Smale%20compactness%20condition | The Palais–Smale compactness condition, named after Richard Palais and Stephen Smale, is a hypothesis for some theorems of the calculus of variations. It is useful for guaranteeing the existence of certain kinds of critical points, in particular saddle points. The Palais-Smale condition is a condition on the functiona... |
https://en.wikipedia.org/wiki/Mountain%20pass%20theorem | The mountain pass theorem is an existence theorem from the calculus of variations, originally due to Antonio Ambrosetti and Paul Rabinowitz. Given certain conditions on a function, the theorem demonstrates the existence of a saddle point. The theorem is unusual in that there are many other theorems regarding the exis... |
https://en.wikipedia.org/wiki/Staring | Staring is a prolonged gaze or fixed look. In staring, one subject or person is the continual focus of visual interest, for an amount of time. Staring can be interpreted as being either hostile like disapproval of another's behavior, or the result of intense concentration, interest or affection. Staring behavior can be... |
https://en.wikipedia.org/wiki/Calbindin | Calbindins are three different calcium-binding proteins: calbindin, calretinin and S100G. They were originally described as vitamin D-dependent calcium-binding proteins in the intestine and kidney of chicks and mammals. They are now classified in different subfamilies as they differ in the number of Ca2+ binding EF han... |
https://en.wikipedia.org/wiki/Cardamine%20hirsuta | Cardamine hirsuta, commonly called hairy bittercress, is an annual or biennial species of plant in the family Brassicaceae, and is edible as a salad green. It is common in moist areas around the world.
Description
Depending on the climate C. hirsuta may complete two generations in a year, one in the spring and one in... |
https://en.wikipedia.org/wiki/French%20video%20game%20policy | French video game policy refers to the strategy and set of measures laid out by France since 2002 to maintain and develop a local video game development industry in order to preserve European market diversity.
History
Proposals for government support
The French game developer trade group, known as Association des Pro... |
https://en.wikipedia.org/wiki/SWAR | SIMD within a register (SWAR), also known by the name "packed SIMD" is a technique for performing parallel operations on data contained in a processor register. SIMD stands for single instruction, multiple data. Flynn's 1972 taxonomy categorises SWAR as "pipelined processing".
Many modern general-purpose computer proc... |
https://en.wikipedia.org/wiki/Any-source%20multicast | Any-source multicast (ASM) is the older and more usual form of multicast where multiple senders can be on the same group/channel, as opposed to source-specific multicast where a single particular source is specified.
Any-source multicast allows a host computer to map IPs and then sends IPs to a number of groups via IP... |
https://en.wikipedia.org/wiki/M82%20X-1 | M82 X-1 is an ultra-luminous X-ray source located in the galaxy M82. It is a candidate intermediate-mass black hole, with the exact mass estimate varying from around 100 to 1000. One of the most luminous ULXs ever known, its luminosity exceeds the Eddington limit for a stellar mass object.
See also
M82 X-2 |
https://en.wikipedia.org/wiki/Institute%20Vienna%20Circle%20/%20Vienna%20Circle%20Society | The Institute Vienna Circle (IVC) ("Society for the Advancement of the Scientific World Conception") was founded in October 1991 as an international nonprofit organization dedicated to the work and influence of the Vienna Circle of Logical Empiricism. Since 2011 the IVC was established as a subunit (Department) of the ... |
https://en.wikipedia.org/wiki/Ecological%20stoichiometry | Ecological stoichiometry (more broadly referred to as biological stoichiometry) considers how the balance of energy and elements influences living systems. Similar to chemical stoichiometry, ecological stoichiometry is founded on constraints of mass balance as they apply to organisms and their interactions in ecosystem... |
https://en.wikipedia.org/wiki/SUMO%20protein | In molecular biology, SUMO (Small Ubiquitin-like Modifier) proteins are a family of small proteins that are covalently attached to and detached from other proteins in cells to modify their function. This process is called SUMOylation (sometimes written sumoylation). SUMOylation is a post-translational modification invo... |
https://en.wikipedia.org/wiki/Lemote | Jiangsu Lemote Tech Co., Ltd or Lemote () is a computer company established as a joint venture between the Jiangsu Menglan Group and the Chinese Institute of Computing Technology, involved in computer hardware and software products, services, and projects.
History
In June 2006, shortly after Institute of Computing Te... |
https://en.wikipedia.org/wiki/Boojum%20%28superfluidity%29 | In the physics of superfluidity, a boojum is a geometric pattern on the surface of one of the phases of superfluid helium-3, whose motion can result in the decay of a supercurrent. A boojum can result from a monopole singularity in the bulk of the liquid being drawn to, and then "pinned" on a surface. Although superf... |
https://en.wikipedia.org/wiki/Friability | In materials science, friability ( ), the condition of being friable, describes the tendency of a solid substance to break into smaller pieces under duress or contact, especially by rubbing. The opposite of friable is indurate.
Substances that are designated hazardous, such as asbestos or crystalline silica, are often... |
https://en.wikipedia.org/wiki/Renal%20blood%20flow | In the physiology of the kidney, renal blood flow (RBF) is the volume of blood delivered to the kidneys per unit time. In humans, the kidneys together receive roughly 25% of cardiac output, amounting to 1.2 - 1.3 L/min in a 70-kg adult male.
It passes about 94% to the cortex. RBF is closely related to renal plasma flo... |
https://en.wikipedia.org/wiki/Effective%20renal%20plasma%20flow | Effective renal plasma flow (eRPF) is a measure used in renal physiology to calculate renal plasma flow (RPF) and hence estimate renal function.
Because the extraction ratio of PAH is high, it has become commonplace to estimate the RPF by dividing the amount of PAH in the urine by the plasma PAH level, ignoring the le... |
https://en.wikipedia.org/wiki/Receiver%20%28information%20theory%29 | The receiver in information theory is the receiving end of a communication channel. It receives decoded messages/information from the sender, who first encoded them. Sometimes the receiver is modeled so as to include the decoder. Real-world receivers like radio receivers or telephones can not be expected to receive as ... |
https://en.wikipedia.org/wiki/Conformational%20change | In biochemistry, a conformational change is a change in the shape of a macromolecule, often induced by environmental factors.
A macromolecule is usually flexible and dynamic. Its shape can change in response to changes in its environment or other factors; each possible shape is called a conformation, and a transition ... |
https://en.wikipedia.org/wiki/Gravitational%20energy | Gravitational energy or gravitational potential energy is the potential energy a massive object has in relation to another massive object due to gravity. It is the potential energy associated with the gravitational field, which is released (converted into kinetic energy) when the objects fall towards each other. Gravit... |
https://en.wikipedia.org/wiki/Dynamical%20genetics | Dynamical genetics concerns the study and the interpretation of those phenomena in which physiological enzymatic protein complexes alter the DNA, in a more or less sophisticated way.
The study of such mechanisms is important firstly since they promote useful functions, as for example the immune system recombination (o... |
https://en.wikipedia.org/wiki/Turgor%20pressure | Turgor pressure is the force within the cell that pushes the plasma membrane against the cell wall.
It is also called hydrostatic pressure, and is defined as the pressure in a fluid measured at a certain point within itself when at equilibrium. Generally, turgor pressure is caused by the osmotic flow of water and occu... |
https://en.wikipedia.org/wiki/Overlap%20extension%20polymerase%20chain%20reaction | The overlap extension polymerase chain reaction (or OE-PCR) is a variant of PCR. It is also referred to as Splicing by overlap extension / Splicing by overhang extension (SOE) PCR. It is used assemble multiple smaller double stranded DNA fragments into a larger DNA sequence. OE-PCR is widely used to insert mutations at... |
https://en.wikipedia.org/wiki/Egg-and-dart | Egg-and-dart, also known as egg-and-tongue, egg-and-anchor, or egg-and-star, is an ornamental device adorning the fundamental quarter-round, convex ovolo profile of moulding, consisting of alternating details on the face of the ovolo—typically an egg-shaped object alternating with a V-shaped element (e.g., an arrow, an... |
https://en.wikipedia.org/wiki/YouOS | YouOS was a web desktop and web integrated development environment, developed by Webshaka until June 2008.
From 2006 to 2008 YouOS replicated the desktop environment of a modern operating system on a webpage, using JavaScript to communicate with the remote server. This allowed users to save their current desktop state... |
https://en.wikipedia.org/wiki/Wold%27s%20theorem | In statistics, Wold's decomposition or the Wold representation theorem (not to be confused with the Wold theorem that is the discrete-time analog of the Wiener–Khinchin theorem), named after Herman Wold, says that every covariance-stationary time series can be written as the sum of two time series, one deterministic ... |
https://en.wikipedia.org/wiki/Wold%27s%20decomposition | In mathematics, particularly in operator theory, Wold decomposition or Wold–von Neumann decomposition, named after Herman Wold and John von Neumann, is a classification theorem for isometric linear operators on a given Hilbert space. It states that every isometry is a direct sum of copies of the unilateral shift and a ... |
https://en.wikipedia.org/wiki/Linear%20canonical%20transformation | In Hamiltonian mechanics, the linear canonical transformation (LCT) is a family of integral transforms that generalizes many classical transforms. It has 4 parameters and 1 constraint, so it is a 3-dimensional family, and can be visualized as the action of the special linear group SL2(R) on the time–frequency plane (do... |
https://en.wikipedia.org/wiki/Georges%20Matheron | Georges François Paul Marie Matheron (2 December 1930 – 7 August 2000) was a French mathematician and civil engineer of mines, known as the founder of geostatistics and a co-founder (together with Jean Serra) of mathematical morphology. In 1968, he created the Centre de Géostatistique et de Morphologie Mathématique at ... |
https://en.wikipedia.org/wiki/Relaxation%20%28NMR%29 | In MRI and NMR spectroscopy, an observable nuclear spin polarization (magnetization) is created by a homogeneous magnetic field. This field makes the magnetic dipole moments of the sample precess at the resonance (Larmor) frequency of the nuclei. At thermal equilibrium, nuclear spins precess randomly about the directio... |
https://en.wikipedia.org/wiki/DNA%20origami | DNA origami is the nanoscale folding of DNA to create arbitrary two- and three-dimensional shapes at the nanoscale. The specificity of the interactions between complementary base pairs make DNA a useful construction material, through design of its base sequences. DNA is a well-understood material that is suitable for c... |
https://en.wikipedia.org/wiki/Composite%20application | In computing, a composite application is a software application built by combining multiple existing functions into a new application. The technical concept can be compared to mashups. However, composite applications use business sources (e.g., existing modules or even Web services ) of information, while mashups usual... |
https://en.wikipedia.org/wiki/Approximations%20of%20%CF%80 | Approximations for the mathematical constant pi () in the history of mathematics reached an accuracy within 0.04% of the true value before the beginning of the Common Era. In Chinese mathematics, this was improved to approximations correct to what corresponds to about seven decimal digits by the 5th century.
Further p... |
https://en.wikipedia.org/wiki/Tongan%20music%20notation | The Tuungafasi or Tongan music notation is a subset of the standard music notation, originally developed by the missionary James Egan Moulton in the 19th century for singing church hymns in Tonga.
The notation
Tongan music from the pre-European times was not really music in the current sense but rather a non tonic re... |
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