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https://en.wikipedia.org/wiki/Zero%20morphism | In category theory, a branch of mathematics, a zero morphism is a special kind of morphism exhibiting properties like the morphisms to and from a zero object.
Definitions
Suppose C is a category, and f : X → Y is a morphism in C. The morphism f is called a constant morphism (or sometimes left zero morphism) if for any... |
https://en.wikipedia.org/wiki/Flory%E2%80%93Huggins%20solution%20theory | Flory–Huggins solution theory is a lattice model of the thermodynamics of polymer solutions which takes account of the great dissimilarity in molecular sizes in adapting the usual expression for the entropy of mixing. The result is an equation for the Gibbs free energy change for mixing a polymer with a solvent. Altho... |
https://en.wikipedia.org/wiki/Degeneracy%20%28graph%20theory%29 | In graph theory, a k-degenerate graph is an undirected graph in which every subgraph has a vertex of degree at most k: that is, some vertex in the subgraph touches k or fewer of the subgraph's edges. The degeneracy of a graph is the smallest value of k for which it is k-degenerate. The degeneracy of a graph is a measur... |
https://en.wikipedia.org/wiki/Sentence%20diagram | A sentence diagram is a pictorial representation of the grammatical structure of a sentence. The term "sentence diagram" is used more when teaching written language, where sentences are diagrammed. The model shows the relations between words and the nature of sentence structure and can be used as a tool to help recogni... |
https://en.wikipedia.org/wiki/Tiger%20eye | Tiger eye or goat eye is a gene causing diluted eye color in horses. There are two variants, Tiger-eye 1 (TE1) and Tiger-eye 2 (TE2), which are both recessive. Horses displaying tiger eye typically have a yellow, orange, or amber iris. Tiger eye has only been found in Puerto Rican Paso Fino horses. Horses of related br... |
https://en.wikipedia.org/wiki/Sorocarp | A sorocarp (from the Greek word soros "a heap" + karpos "fruit") is the fruiting body characteristic of certain cellular slime moulds (e.g., Dictyosteliida). Each sorocarp consists of both a sorophore (stalk) and a sorus. Sorocarps release spores. |
https://en.wikipedia.org/wiki/Apple%2080-Column%20Text%20Card | The Apple 80-Column Text Card is an expansion card for the Apple IIe computer to give it the option of displaying 80 columns of text instead of 40 columns. Two models were available; the cheaper 80-column card has just enough extra RAM to double the video memory capacity, and the Extended 80-Column Text Card has an ad... |
https://en.wikipedia.org/wiki/Mii | A Mii ( ) is a customizable avatar used on several Nintendo video game consoles and mobile apps. The name Mii is a portmanteau of “Wii” and “me”, referring to them typically being avatars of the players. Miis were first introduced on the Wii console in 2006 and later appeared on the DS, 3DS, the Wii U, the Switch, and ... |
https://en.wikipedia.org/wiki/Fierz%20identity | In theoretical physics, a Fierz identity is an identity that allows one to rewrite bilinears of the product of two spinors as a linear combination of products of the bilinears of the individual spinors. It is named after Swiss physicist Markus Fierz. The Fierz identities are also sometimes called the Fierz–Pauli–Kofink... |
https://en.wikipedia.org/wiki/Notarikon | Notarikon ( Noṭriqōn) is a Talmudic and Kabbalistic method of deriving a word, by using each of its initial (Hebrew: ) or final letters () to stand for another, to form a sentence or idea out of the words. Another variation uses the first and last letters, or the two middle letters of a word, in order to form another... |
https://en.wikipedia.org/wiki/Spur%20%28architecture%29 | In architecture, a spur (French , German ) is the ornament carved on the angles of the base of early columns.
Ornament
A spur consists of a projecting claw, which, emerging from the lower torus of the base, rests on the projecting angle of the square plinth.
Ancient Roman architecture
It is possibly to these that Pli... |
https://en.wikipedia.org/wiki/Interacting%20boson%20model | The interacting boson model (IBM) is a model in nuclear physics in which
nucleons (protons or neutrons) pair up, essentially
acting as a single particle with boson properties, with
integral spin of either 2 (d-boson) or 0 (s-boson). They correspond to a quintuplet and singlet, i.e. 6 states.
It is sometimes known as t... |
https://en.wikipedia.org/wiki/GYF%20domain | In molecular biology, the GYF domain (glycine-tyrosine-phenylalanine domain) is an approximately 60-amino acid protein domain which contains a conserved GP[YF]xxxx[MV]xxWxxx[GN]YF motif. It was identified in the human intracellular protein termed CD2 binding protein 2 (CD2BP2), which binds to a site containing two tand... |
https://en.wikipedia.org/wiki/Dopant | A dopant (also called a doping agent) is a small amount of a substance added to a material to alter its physical properties, such as electrical or optical properties. The amount of dopant is typically very low compared to the material being doped.
When doped into crystalline substances, the dopant's atoms get incorpor... |
https://en.wikipedia.org/wiki/Charles%20Royal%20Johnson | Charles Royal Johnson (born January 28, 1948) is an American mathematician specializing in linear algebra. He is a Class of 1961 professor of mathematics at College of William and Mary. The books Matrix Analysis and Topics in Matrix Analysis, co-written by him with Roger Horn, are standard texts in advanced linear alge... |
https://en.wikipedia.org/wiki/International%20Association%20for%20Sports%20Surface%20Sciences | The International Association for Sports Surface Sciences (ISSS) is the union of labs and experts in the field of sports surfaces. It was founded in 1985 in Switzerland. Its aims are the exchange of information and ideas regarding testing sports surfaces such as sports hall floors, synthetic surfaces of athletic tracks... |
https://en.wikipedia.org/wiki/Cirac%E2%80%93Zoller%20controlled-NOT%20gate | The Cirac–Zoller controlled-NOT gate is an implementation of the controlled-NOT (CNOT) quantum logic gate using cold trapped ions that was proposed by Ignacio Cirac and Peter Zoller in 1995 and represents the central ingredient of the Cirac–Zoller proposal for a trapped-ion quantum computer. The key idea of the Cirac–Z... |
https://en.wikipedia.org/wiki/Lagrange%2C%20Euler%2C%20and%20Kovalevskaya%20tops | In classical mechanics, the rotation of a rigid body such as a spinning top under the influence of gravity is not, in general, an integrable problem. There are however three famous cases that are integrable, the Euler, the Lagrange, and the Kovalevskaya top, which are in fact the only integrable cases when the system i... |
https://en.wikipedia.org/wiki/Outer%20sphere%20electron%20transfer | Outer sphere refers to an electron transfer (ET) event that occurs between chemical species that remain separate and intact before, during, and after the ET event. In contrast, for inner sphere electron transfer the participating redox sites undergoing ET become connected by a chemical bridge. Because the ET in outer ... |
https://en.wikipedia.org/wiki/Machine%20shop | A machine shop or engineering workshop is a room, building, or company where machining, a form of subtractive manufacturing, is done. In a machine shop, machinists use machine tools and cutting tools to make parts, usually of metal or plastic (but sometimes of other materials such as glass or wood). A machine shop can ... |
https://en.wikipedia.org/wiki/97th%20meridian%20west | The 97th meridian west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Gulf of Mexico, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole.
The 97th meridian west forms a great circle with the 83rd meridian east.
From Pole to Pole
St... |
https://en.wikipedia.org/wiki/Ultra-wideband | Ultra-wideband (UWB, ultra wideband, ultra-wide band and ultraband) is a radio technology that can use a very low energy level for short-range, high-bandwidth communications over a large portion of the radio spectrum. UWB has traditional applications in non-cooperative radar imaging. Most recent applications target sen... |
https://en.wikipedia.org/wiki/Resistance%20mutation%20%28virology%29 | A resistance mutation is a mutation in a virus gene that allows the virus to become resistant to treatment with a particular antiviral drug. The term was first used in the management of HIV, the first virus in which genome sequencing was routinely used to look for drug resistance. At the time of infection, a virus wil... |
https://en.wikipedia.org/wiki/%28%E2%88%921%29F | {{DISPLAYTITLE:(−1)F}}
In a quantum field theory with fermions, (−1)F is a unitary, Hermitian, involutive operator where F is the fermion number operator. For the example of particles in the Standard Model, it is equal to the sum of the lepton number plus the baryon number, . The action of this operator is to multipl... |
https://en.wikipedia.org/wiki/Link%20quality%20analysis | In adaptive high-frequency (HF) radio, link quality analysis (LQA) is the overall process by which measurements of signal quality are made, assessed, and analyzed.
In LQA, signal quality is determined by measuring, assessing, and analyzing link parameters, such as bit error ratio (BER), and the levels of the ratio of ... |
https://en.wikipedia.org/wiki/Ergodicity%20economics | Ergodicity economics is a research programme aimed at reworking the theoretical foundations of economics in the context of ergodic theory. The project's main goal is to understand how traditional economic theory, framed in terms of the expectation values of ensembles, changes when replacing expectation value averages w... |
https://en.wikipedia.org/wiki/M1%20protein | The M1 protein is a matrix protein of the influenza virus. It forms a coat inside the viral envelope. This is a bifunctional membrane/RNA-binding protein that mediates the encapsidation of nucleoprotein cores into the membrane envelope. It is therefore required that M1 binds both membrane and RNA simultaneously.
The M... |
https://en.wikipedia.org/wiki/Augmented%20truncated%20cube | In geometry, the augmented truncated cube is one of the Johnson solids (). As its name suggests, it is created by attaching a square cupola () onto one octagonal face of a truncated cube. |
https://en.wikipedia.org/wiki/Baum%C3%A9%20%28restaurant%29 | Baumé was a French restaurant in Palo Alto, California, opened in 2010 by chef Bruno Chemel Until 2021, it had two Michelin stars. Originally seating 28, the restaurant was reduced to eight tables in the mid-2010s, and staffed only by Chemel, his son Antoine and his wife Christie. The restaurant closed in August 2023... |
https://en.wikipedia.org/wiki/Visible%20Light%20Photon%20Counter | A Visible Light Photon Counter (VLPC) is a photon counting photodetector based on impurity-band conduction in arsenic-doped silicon. They have high quantum efficiency and are able to detect single photons in the visible range of the electromagnetic spectrum. The ability to count the exact number of photons detected is ... |
https://en.wikipedia.org/wiki/Food%20history | Food history is an interdisciplinary field that examines the history and the cultural, economic, environmental, and sociological impacts of food and human nutrition. It is considered distinct from the more traditional field of culinary history, which focuses on the origin and recreation of specific recipes.
The first ... |
https://en.wikipedia.org/wiki/Integer%20sequence | In mathematics, an integer sequence is a sequence (i.e., an ordered list) of integers.
An integer sequence may be specified explicitly by giving a formula for its nth term, or implicitly by giving a relationship between its terms. For example, the sequence 0, 1, 1, 2, 3, 5, 8, 13, ... (the Fibonacci sequence) is forme... |
https://en.wikipedia.org/wiki/An%20Abundance%20of%20Katherines | An Abundance of Katherines is a young adult novel by John Green. Released in 2006, it was a finalist for the Michael L. Printz Award.
The novel includes an appendix by Daniel Biss, a close friend of Green, that explains some of the more complex equations used by the main character, Colin Singleton.
Plot summary
Colin... |
https://en.wikipedia.org/wiki/University%20of%20Chicago%20School%20Mathematics%20Project | The University of Chicago School Mathematics Project (UCSMP) is a multi-faceted project of the University of Chicago in the United States, intended to improve competency in mathematics in the United States by elevating educational standards for children in elementary and secondary schools.
Overview
The UCSMP supports ... |
https://en.wikipedia.org/wiki/Erd%C5%91s%20cardinal | In mathematics, an Erdős cardinal, also called a partition cardinal is a certain kind of large cardinal number introduced by .
A cardinal κ is called α-Erdős if for every function there is a set of order type that is homogeneous for . In the notation of the partition calculus, κ is α-Erdős if
.
The existence of ze... |
https://en.wikipedia.org/wiki/Henry%20Underhill | Henry Michael John Underhill (1855–1920) was an amateur scientist, artist, photographer and grocer from Oxford, England.
Underhill is best known for his hand-painted and photographic lantern slides which illustrate a variety of subjects including entomology, natural history, prehistoric British archaeology and folk ta... |
https://en.wikipedia.org/wiki/Bigben%20%28computer%29 | The Bigben supercomputer was a Cray XT3 MPP system with 2068 nodes located at Pittsburgh Supercomputing Center. It was decommissioned on March 31, 2010. Bigben was a part of the TeraGrid.
System architecture
BigBen was a Cray XT3 MPP system with 2068 compute nodes linked by a custom-designed interconnect. Twenty-... |
https://en.wikipedia.org/wiki/Incidence%20geometry | In mathematics, incidence geometry is the study of incidence structures. A geometric structure such as the Euclidean plane is a complicated object that involves concepts such as length, angles, continuity, betweenness, and incidence. An incidence structure is what is obtained when all other concepts are removed and all... |
https://en.wikipedia.org/wiki/Frequency%20extender | In broadcast engineering, a frequency extender is an electronic device that allows high-fidelity analog audio to be sent over regular POTS telephone lines, without the loss of higher audio frequencies (treble). It is an extended concept of a telephone hybrid.
The concept uses frequency shifting to overcome the narrow... |
https://en.wikipedia.org/wiki/Graft-versus-tumor%20effect | Graft-versus-tumor effect (GvT) appears after allogeneic hematopoietic stem cell transplantation (HSCT). The graft contains donor T cells (T lymphocytes) that can be beneficial for the recipient by eliminating residual malignant cells. GvT might develop after recognizing tumor-specific or recipient-specific alloantigen... |
https://en.wikipedia.org/wiki/Geomagic | Geomagic is the professional engineering software brand of 3D Systems. The brand began when Geomagic Inc., a software company based in Morrisville, North Carolina, was acquired by 3D Systems in February 2013 and combined with that company's other software businesses (namely Rapidform acquired by 3D Systems in October ... |
https://en.wikipedia.org/wiki/List%20of%20flags%20of%20Luxembourg | This is a list of flags used in the Grand Duchy of Luxembourg, a country in western Europe. For more information about the national flag, visit the article Flag of Luxembourg.
National flag
Ensign
Standard of the Grand Duke
Cities
Historical Flags
Historical Royal Flags |
https://en.wikipedia.org/wiki/Cochlear%20aqueduct | Medial to the opening for the carotid canal and close to its posterior border, in front of the jugular fossa, is a triangular depression; at the apex of this is a small opening, the aquaeductus cochleae (or cochlear aqueduct, or aqueduct of cochlea), which lodges a tubular prolongation of the dura mater establishing a ... |
https://en.wikipedia.org/wiki/Leonardo%20number | The Leonardo numbers are a sequence of numbers given by the recurrence:
Edsger W. Dijkstra used them as an integral part of his smoothsort algorithm, and also analyzed them in some detail.
A Leonardo prime is a Leonardo number that's also prime.
Values
The first few Leonardo numbers are
1, 1, 3, 5, 9, 15, 25, 41, ... |
https://en.wikipedia.org/wiki/Unimate | Unimate was the first industrial robot,
which worked on a General Motors assembly line at the Inland Fisher Guide Plant in Ewing Township, New Jersey, in 1961.
It was invented by George Devol in the 1950s using his original patent filed in 1954 and granted in 1961 (). The patent begins:
The present invention relates t... |
https://en.wikipedia.org/wiki/Medical%20certifications%20for%20pilots | Medical certifications for aircraft pilots are specified by the International Civil Aviation Organization (ICAO). ICAO sets standards and recommended practices (SARPS), which are specified in Annex 1 to the Convention on International Civil Aviation.
There are several classes of medical certificate. Class 1 is the mos... |
https://en.wikipedia.org/wiki/List%20of%20convolutions%20of%20probability%20distributions | In probability theory, the probability distribution of the sum of two or more independent random variables is the convolution of their individual distributions. The term is motivated by the fact that the probability mass function or probability density function of a sum of independent random variables is the convolutio... |
https://en.wikipedia.org/wiki/Microsoft%20Defender%20Antivirus | Microsoft Defender Antivirus (formerly Windows Defender) is an antivirus software component of Microsoft Windows. It was first released as a downloadable free anti-spyware program for Windows XP and was shipped with Windows Vista and Windows 7. It has evolved into a full antivirus program, replacing Microsoft Security ... |
https://en.wikipedia.org/wiki/Ohm%27s%20law | Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points. Introducing the constant of proportionality, the resistance, one arrives at the three mathematical equations used to describe this relationship:
where is the current through the cond... |
https://en.wikipedia.org/wiki/Bell%E2%80%93Magendie%20law | In anatomy and neurophysiology, this is the finding that the anterior spinal nerve roots contain only motor fibers and posterior roots only sensory fibers and that nerve impulses are conducted in only one direction in each case. The nature and the physiology of the phenomena were described independently by the British ... |
https://en.wikipedia.org/wiki/Serum%20B-cell%20maturation%20antigen | Serum B-cell maturation antigen (sBCMA) is the cleaved form of B-cell maturation antigen (BCMA), found at low levels in the serum of normal patients and generally elevated in patients with multiple myeloma (MM). Changes in sBCMA levels have been found to correlate with a MM patient’s clinical status in response to trea... |
https://en.wikipedia.org/wiki/AIM%20%28software%29 | AIM (AOL Instant Messenger) was an instant messaging and presence computer program created by AOL, which used the proprietary OSCAR instant messaging protocol and the TOC protocol to allow registered users to communicate in real time.
AIM was popular by the late 1990s, in United States and other countries, and was the... |
https://en.wikipedia.org/wiki/Biological%20basis%20of%20personality | The biological basis of personality it is the collection of brain systems and mechanisms that underlie human personality. Human neurobiology, especially as it relates to complex traits and behaviors, is not well understood, but research into the neuroanatomical and functional underpinnings of personality are an active ... |
https://en.wikipedia.org/wiki/Animal%20spirits%20%28Keynes%29 | Animal spirits is a term used by John Maynard Keynes in his 1936 book The General Theory of Employment, Interest and Money to describe the instincts, proclivities and emotions that seemingly influence human behavior, which can be measured in terms of consumer confidence.
Use by Keynes
The original passage by Keynes r... |
https://en.wikipedia.org/wiki/Portable%20soup | Portable soup was a kind of dehydrated food of English origin used in the 18th and 19th centuries. It was a precursor of meat extract and bouillon cubes, and of industrially dehydrated and instant food. It is also known as pocket soup or veal glue. It is essentially a partially dehydrated broth and a solid counterpart ... |
https://en.wikipedia.org/wiki/Heine%E2%80%93Borel%20theorem | In real analysis the Heine–Borel theorem, named after Eduard Heine and Émile Borel, states:
For a subset S of Euclidean space Rn, the following two statements are equivalent:
S is closed and bounded
S is compact, that is, every open cover of S has a finite subcover.
History and motivation
The history of what today i... |
https://en.wikipedia.org/wiki/Louis%20Vialleton | Louis Marius Vialleton (December 22, 1859 - December 18, 1929) was a French zoologist and writer, best known for his advocation of non-Darwinian evolution.
Career
Vialleton was born in Vienne, Isère. He was the first professor of histology in the faculty of medicine at the University of Montpellier. Vialleton rejecte... |
https://en.wikipedia.org/wiki/Solarization%20%28physics%29 | Solarization refers to a phenomenon in physics where a material undergoes a temporary change in color after being subjected to high-energy electromagnetic radiation, such as ultraviolet light or X-rays. Clear glass and many plastics will turn amber, green or other colors when subjected to X-radiation, and glass may tur... |
https://en.wikipedia.org/wiki/Belt%20problem | The belt problem is a mathematics problem which requires finding the length of a crossed belt that connects two circular pulleys with radius r1 and r2 whose centers are separated by a distance P. The solution of the belt problem requires trigonometry and the concepts of the bitangent line, the vertical angle, and congr... |
https://en.wikipedia.org/wiki/Reverse%20architecture | Reverse architecture is a process of deducing the underlying architecture and design of a system by observing its behaviour. It has its roots in the field of reverse engineering.
Practicing reverse architecture is used to decipher the logistics of building. There are a variety of techniques available, the most notable... |
https://en.wikipedia.org/wiki/Neural%20control%20of%20limb%20stiffness | As humans move through their environment, they must change the stiffness of their joints in order to effectively interact with their surroundings. Stiffness is the degree to a which an object resists deformation when subjected to a known force. This idea is also referred to as impedance, however, sometimes the idea of ... |
https://en.wikipedia.org/wiki/Biodefense | Biodefense refers to measures to restore biosecurity to a group of organisms who are, or may be, subject to biological threats or infectious diseases. Biodefense is frequently discussed in the context of biowar or bioterrorism, and is generally considered a military or emergency response term.
Biodefense applies to tw... |
https://en.wikipedia.org/wiki/Booth%27s%20multiplication%20algorithm | Booth's multiplication algorithm is a multiplication algorithm that multiplies two signed binary numbers in two's complement notation. The algorithm was invented by Andrew Donald Booth in 1950 while doing research on crystallography at Birkbeck College in Bloomsbury, London. Booth's algorithm is of interest in the stud... |
https://en.wikipedia.org/wiki/Quasi-ultrabarrelled%20space | In functional analysis and related areas of mathematics, a quasi-ultrabarrelled space is a topological vector spaces (TVS) for which every bornivorous ultrabarrel is a neighbourhood of the origin.
Definition
A subset B0 of a TVS X is called a bornivorous ultrabarrel if it is a closed, balanced, and bornivorous subs... |
https://en.wikipedia.org/wiki/Project%20112 | Project 112 was a biological and chemical weapon experimentation project conducted by the United States Department of Defense from 1962 to 1973.
The project started under John F. Kennedy's administration, and was authorized by his Secretary of Defense Robert McNamara, as part of a total review of the US military. The ... |
https://en.wikipedia.org/wiki/Robot%20software | Robot software is the set of coded commands or instructions that tell a mechanical device and electronic system, known together as a robot, what tasks to perform. Robot software is used to perform autonomous tasks. Many software systems and frameworks have been proposed to make programming robots easier.
Some robot so... |
https://en.wikipedia.org/wiki/Testis-enhanced%20gene%20transfer%20family | The testis-enhanced gene transcript (TEGT) family includes the testis-enhanced gene transcript proteins of mammals, which are expressed at high levels in the testis, the putative glutamate/aspartate binding proteins of plants and animals, the YccA protein of Escherichia coli and the YetJ protein of Bacillus subtilis. T... |
https://en.wikipedia.org/wiki/Viacheslav%20Belavkin | Viacheslav Pavlovich Belavkin (; 20 May 1946 – 27 November 2012) was a Russian-British professor in applied mathematics at the University of Nottingham. An active researcher, he was one of the pioneers of quantum probability. His research spanned areas such as quantum filtering, quantum information and quantum chaos.
... |
https://en.wikipedia.org/wiki/Digital%20Automated%20Identification%20System | Digital automated identification system (DAISY) is an automated species identification system optimised for the rapid screening of invertebrates (e.g. insects) by non-experts (e.g. parataxonomists).
It was developed by Dr. Mark O'Neill during the mid-1990s. Development was supported by funding from the Darwin Initiati... |
https://en.wikipedia.org/wiki/Hungarian%20algorithm | The Hungarian method is a combinatorial optimization algorithm that solves the assignment problem in polynomial time and which anticipated later primal–dual methods. It was developed and published in 1955 by Harold Kuhn, who gave the name "Hungarian method" because the algorithm was largely based on the earlier works o... |
https://en.wikipedia.org/wiki/British%20Society%20for%20Neuroendocrinology | The British Society for Neuroendocrinology (BSN) was formally established in 2001 to promote learning and research into neuroendocrinology. Publications of the Society include the Journal of Neuroendocrinology and Neuroendorcrine Briefings. Since 1989 the society has awarded annually the Mortyn Jones Lectureship to a r... |
https://en.wikipedia.org/wiki/Correspondence%20problem | The correspondence problem refers to the problem of ascertaining which parts of one image correspond to which parts of another image, where differences are due to movement of the camera, the elapse of time, and/or movement of objects in the photos.
Correspondence is a fundamental problem in computer vision — influent... |
https://en.wikipedia.org/wiki/Charge%20transfer%20switch | A charge transfer switch OR CTS charge pump is a charge pump that offers better low-voltage performance and "a better voltage pumping gain and a higher output voltage" than previous charge pumps such as the Dickson charge pump.
See also
Charge pump |
https://en.wikipedia.org/wiki/Absorbing%20set | In functional analysis and related areas of mathematics an absorbing set in a vector space is a set which can be "inflated" or "scaled up" to eventually always include any given point of the vector space.
Alternative terms are radial or absorbent set.
Every neighborhood of the origin in every topological vector spac... |
https://en.wikipedia.org/wiki/European%20Cultivated%20Potato%20Database | The European Cultivated Potato Database (ECPD) is an online collaborative database of potato variety descriptions. The information that it contains can be searched by variety name, or by selecting one or more required characteristics.
159,848 observations
29 contributors
91 characters
4,119 cultivated varieties
... |
https://en.wikipedia.org/wiki/Dentin%20phosphoprotein | Dentin phosphoprotein, or phosphophoryn, is one of three proteins formed from dentin sialophosphoprotein and is important in the regulation of mineralization of dentin.
Phosphophoryn is the most acidic protein ever discovered and has an isoelectric point of 1. This extreme acidity is achieved by its amino acid sequenc... |
https://en.wikipedia.org/wiki/Multilevel%20security | Multilevel security or multiple levels of security (MLS) is the application of a computer system to process information with incompatible classifications (i.e., at different security levels), permit access by users with different security clearances and needs-to-know, and prevent users from obtaining access to informat... |
https://en.wikipedia.org/wiki/Tuned%20amplifier | A tuned amplifier is an electronic amplifier which includes bandpass filtering components within the amplifier circuitry. They are widely used in a variety of wireless applications.
Schemes
There are several tuning schemes in use,
Staggered tuning where each amplifier stage is tuned to a slightly different frequenc... |
https://en.wikipedia.org/wiki/Polytomy | An internal node of a phylogenetic tree is described as a polytomy or multifurcation if (i) it is in a rooted tree and is linked to three or more child subtrees or (ii) it is in an unrooted tree and is attached to four or more branches. A tree that contains any multifurcations can be described as a multifurcating tr... |
https://en.wikipedia.org/wiki/Food%20Standards%20Scotland | Food Standards Scotland () is a non-ministerial government department of the Scottish Government. It is responsible for food safety, food standards, nutrition, food labelling and meat inspection in Scotland. Established by the Food (Scotland) Act 2015, Food Standards Scotland has taken over the responsibilities of the ... |
https://en.wikipedia.org/wiki/Rima%20vestibuli | The rima vestibuli is a space in the laryngeal cavity.
It is to the vestibular ligaments (vestibular folds once covered with mucous membrane) what the rima glottidis is to the vocal ligaments (vocal folds once covered with mucous membrane) the space formed when the folds are separated. It can be defined as the space i... |
https://en.wikipedia.org/wiki/Xonotic | Xonotic () is a free and open-source first-person shooter video game. It was developed as a fork of Nexuiz, following controversy surrounding the game's development. The game runs on a heavily modified version of the Quake engine known as the DarkPlaces engine. Its gameplay is inspired by Unreal Tournament and Quake, b... |
https://en.wikipedia.org/wiki/Federigo%20Enriques | Abramo Giulio Umberto Federigo Enriques (5 January 1871 – 14 June 1946) was an Italian mathematician, now known principally as the first to give a classification of algebraic surfaces in birational geometry, and other contributions in algebraic geometry.
Biography
Enriques was born in Livorno, and brought up in Pisa, ... |
https://en.wikipedia.org/wiki/Mysms | mysms is a cross-platform text messaging service, based on Short Message Service (SMS), for smartphones, tablet computers, and laptop and desktop personal computers.
History
mysms is a brand of sms.at, which is a company of Up to Eleven Digital Solutions GmbH, and based in Graz, Austria. Up to Eleven was founded by M... |
https://en.wikipedia.org/wiki/Irrelevant%20ideal | In mathematics, the irrelevant ideal is the ideal of a graded ring generated by the homogeneous elements of degree greater than zero. It corresponds to the origin in the affine space which cannot be mapped to a point in the projective space. More generally, a homogeneous ideal of a graded ring is called an irrelevant i... |
https://en.wikipedia.org/wiki/Ind-scheme | In algebraic geometry, an ind-scheme is a set-valued functor that can be written (represented) as a direct limit (i.e., inductive limit) of closed embedding of schemes.
Examples
is an ind-scheme.
Perhaps the most famous example of an ind-scheme is an infinite grassmannian (which is a quotient of the loop group of an... |
https://en.wikipedia.org/wiki/Anonymous%20remailer | An anonymous remailer is a server that receives messages with embedded instructions on where to send them next, and that forwards them without revealing where they originally came from. There are cypherpunk anonymous remailers, mixmaster anonymous remailers, and nym servers, among others, which differ in how they work,... |
https://en.wikipedia.org/wiki/Isolation%20pod | An isolation pod is a capsule which is used to provide medical isolation for a patient. Examples include the Norwegian EpiShuttle and the USAF's Transport Isolation System (TIS) or Portable Bio-Containment Module (PBCM), which are used to provide isolation when transporting patients by air.
Isolation devices were dev... |
https://en.wikipedia.org/wiki/NODE%20%28wireless%20sensor%29 | NODE+ (wireless sensor platform) is a first-generation handheld sensor measuring 1 inch in diameter and 3.75 inches wide that communicates wirelessly through low-energy Bluetooth 4.0 with Apple iOS devices.
NODE+ has been attributed in the media as a “Swiss Army knife of sensors,” similar in appearance to the “tricord... |
https://en.wikipedia.org/wiki/Cutaway%20drawing | A cutaway drawing, also called a cutaway diagram is a 3D graphics, drawing, diagram and or illustration, in which surface elements of a three-dimensional model are selectively removed, to make internal features visible, but without sacrificing the outer context entirely.
Overview
According to Diepstraten et al. (2003... |
https://en.wikipedia.org/wiki/Joule%20expansion | The Joule expansion (also called free expansion) is an irreversible process in thermodynamics in which a volume of gas is kept in one side of a thermally isolated container (via a small partition), with the other side of the container being evacuated. The partition between the two parts of the container is then opened,... |
https://en.wikipedia.org/wiki/Infraorbital%20canal | The infraorbital canal is a canal found at the base of the orbit that opens on to the maxilla. It is continuous with the infraorbital groove and opens onto the maxilla at the infraorbital foramen. The infraorbital nerve and infraorbital artery travel through the canal.
Structure
One of the canals of the orbital surfac... |
https://en.wikipedia.org/wiki/Mosquito%20bite%20allergy | Mosquito bite allergies, also termed hypersensitivity to mosquito bites, are excessive reactions of varying severity to mosquito bites. They are allergic hypersensitivity reactions caused by the non-toxic allergenic proteins contained in the saliva injected by a female mosquito (male mosquitos do not take blood-meals) ... |
https://en.wikipedia.org/wiki/Numbers%20in%20Germanic%20paganism | The numbers three, nine, and other multiples of three are significant numbers in Germanic paganism. Both numbers (and multiples thereof) appear throughout surviving attestations of ancient Germanic folklore, in both mythology and Germanic paganism. Along with the number 27, both numbers also figure into the lunar Germ... |
https://en.wikipedia.org/wiki/Sparse%20graph%20code | A Sparse graph code is a code which is represented by a sparse graph.
Any linear code can be represented as a graph, where there are two sets of nodes - a set representing the transmitted bits and another set representing the constraints that the transmitted bits have to satisfy. The state of the art classical error-c... |
https://en.wikipedia.org/wiki/Locotrol | Locotrol is a product of Wabtec Corporation that permits railway locomotives to be distributed throughout the length of a train (distributed power). It is installed on more than 17,000 locomotives around the world, sending signals from the lead locomotive and via radio to the remote control locomotives.
History
Locotr... |
https://en.wikipedia.org/wiki/Comparison%20of%203D%20printers | This article contains a list of 3D printers.
Metrics
Some important 3D printer metrics include:
Print technology: 3D printing processes encompasses a variety of methods which each have their own unique challenges.
Length of production run and support: 3D printers often require adjustments and parts replacement. A l... |
https://en.wikipedia.org/wiki/List%20of%20hyperaccumulators | This article covers known hyperaccumulators, accumulators or species tolerant to the following: Aluminium (Al), Silver (Ag), Arsenic (As), Beryllium (Be), Chromium (Cr), Copper (Cu), Manganese (Mn), Mercury (Hg), Molybdenum (Mo), Naphthalene, Lead (Pb), Selenium (Se) and Zinc (Zn).
See also:
Hyperaccumulators table – ... |
https://en.wikipedia.org/wiki/Rhind%20Mathematical%20Papyrus | The Rhind Mathematical Papyrus (RMP; also designated as papyrus British Museum 10057 and pBM 10058) is one of the best known examples of ancient Egyptian mathematics. It is named after Alexander Henry Rhind, a Scottish antiquarian, who purchased the papyrus in 1858 in Luxor, Egypt; it was apparently found during illega... |
https://en.wikipedia.org/wiki/Lightweight%20methodology | A lightweight methodology is a software development method that has only a few rules and practices, or only ones that are easy to follow. In contrast, a complex method with many rules is considered a "heavyweight methodology".
Examples of lightweight methodologies include:
Adaptive Software Development by Jim Highsm... |
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