source stringlengths 31 227 | text stringlengths 9 2k |
|---|---|
https://en.wikipedia.org/wiki/Lsh | lsh is a free software implementation of the Secure Shell (SSH) protocol version 2, by the GNU Project including both server and client programs. Featuring Secure Remote Password protocol (SRP) as specified in secsh-srp besides, public-key authentication. Kerberos is somewhat supported as well. Currently however for pa... |
https://en.wikipedia.org/wiki/Emojli | Emojli was a social application for iOS and Android, created by YouTuber and web developer Tom Scott, and YouTuber and broadcast engineer Matt Gray. Usernames could contain only emoji and users could only communicate using emoji within the app.
History
Tom Scott and Matt Gray were inspired to create the app after see... |
https://en.wikipedia.org/wiki/Fragment%20molecular%20orbital | The fragment molecular orbital method (FMO) is a computational method that can be used to calculate very large molecular systems with thousands of atoms using ab initio quantum-chemical wave functions.
History of FMO and related methods
The fragment molecular orbital method (FMO) was developed by Kazuo Kitaura and c... |
https://en.wikipedia.org/wiki/Static%20induction%20thyristor | The static induction thyristor (SIT, SITh) is a thyristor with a buried gate structure in which the gate electrodes are placed in n-base region. Since they are normally on-state, gate electrodes must be negatively or anode biased to hold off-state. It has low noise, low distortion, high audio frequency power capability... |
https://en.wikipedia.org/wiki/Extended%20Unix%20Code | Extended Unix Code (EUC) is a multibyte character encoding system used primarily for Japanese, Korean, and simplified Chinese.
The most commonly used EUC codes are variable-length encodings with a character belonging to an compliant coded character set (such as ASCII) taking one byte, and a character belonging to a 9... |
https://en.wikipedia.org/wiki/CD4%20immunoadhesin | CD4 immunoadhesin is a recombinant fusion protein consisting of a combination of CD4 and the fragment crystallizable region, similarly known as immunoglobulin. It belongs to the antibody (Ig) gene family. CD4 is a surface receptor for human immunodeficiency virus (HIV). The CD4 immunoadhesin molecular fusion allow the ... |
https://en.wikipedia.org/wiki/Pseudomonas%20phage%20F116%20holin | The Pseudomonas phage F116 holin is a non-characterized holin homologous to one in Neisseria gonorrheae that has been characterized. This protein is the prototype of the Pseudomonas phage F116 holin (F116 Holin) family (TC# 1.E.25), which is a member of the Holin Superfamily II. Bioinformatic analysis of the genome seq... |
https://en.wikipedia.org/wiki/Pursuit%20curve | In geometry, a curve of pursuit is a curve constructed by analogy to having a point or points representing pursuers and pursuees; the curve of pursuit is the curve traced by the pursuers.
With the paths of the pursuer and pursuee parameterized in time, the pursuee is always on the pursuer's tangent. That is, given , t... |
https://en.wikipedia.org/wiki/C15orf39 | C15orf39 is a protein that in humans is encoded by the Chromosome 15 open reading frame 15 (C15orf39) gene.
Gene
Location
C15orf39 is located on chromosome 15 (15q24.2), spanning 16.53kb from 75487985 to 75504515 on the plus DNA strand. C15orf39 has three exons, and seven introns.
mRNA
Isoforms
The coding sequence... |
https://en.wikipedia.org/wiki/Lightning%20Network | The Lightning Network (LN) is a "layer 2" payment protocol built on the Bitcoin blockchain and those of other cryptocurrencies. It is intended to enable fast transactions among participating nodes (independently run members of the network) and has been proposed as a solution to the bitcoin scalability problem. It is a... |
https://en.wikipedia.org/wiki/TL431 | The TL431 integrated circuit (IC) is a three-terminal adjustable precise shunt voltage regulator. With the use of an external voltage divider, a TL431 can regulate voltages ranging from 2.495 to 36 V, at currents up 100 mA. The typical initial deviation of reference voltage from the nominal 2.495 V level is measured in... |
https://en.wikipedia.org/wiki/SmartQ%205 | The SmartQ 5 is a budget mobile Internet device manufactured by the Chinese company Smart Devices. It was officially announced 11 February 2009.
Overview
The SmartQ 5 comes with a custom version of Ubuntu Linux installed which is adapted for use with a touchscreen. It uses the LXDE desktop environment.
Ubuntu's main ... |
https://en.wikipedia.org/wiki/ODE/IM%20correspondence | In mathematical physics, the ODE/IM correspondence is a link between ordinary differential equations (ODEs) and integrable models. It was first found in 1998 by Patrick Dorey and Roberto Tateo. In this original setting it relates the spectrum of a certain integrable model of magnetism known as the XXZ-model to solution... |
https://en.wikipedia.org/wiki/Isofuran | Isofurans are nonclassic eicosanoids formed nonenzymatically by free radical mediated peroxidation of arachidonic acid. The isofurans are similar to the isoprostanes and are formed under similar conditions, but contain a substituted tetrahydrofuran ring. The concentration of oxygen affects this process; at elevated o... |
https://en.wikipedia.org/wiki/Mother%20Croatia | Mother Croatia () is the female personification of Croatia and a national emblem of the nation.
Background
The nation of Croatia has historically been portrayed as a motherland, and is often personified as a female figure evoking the traditional woman's role as a mother and nurturer. During the Illyrian movement in th... |
https://en.wikipedia.org/wiki/Tamatebako%20%28origami%29 | The is an origami model named after the tamatebako of Japanese folk tale. It is a modular cube design that can be opened from any side. If more than one face of the model is opened, the cube falls apart and cannot easily be reconstructed. The model, and the directions for creating it, had been lost for centuries and ... |
https://en.wikipedia.org/wiki/Deep%20content%20inspection | Deep content inspection (DCI) is a form of network filtering that examines an entire file or MIME object as it passes an inspection point, searching for viruses, spam, data loss, key words or other content level criteria. Deep Content Inspection is considered the evolution of Deep Packet Inspection with the ability to ... |
https://en.wikipedia.org/wiki/Joint%20constraints | Joint constraints are rotational constraints on the joints of an artificial system. They are used in an inverse kinematics chain, in fields including 3D animation or robotics. Joint constraints can be implemented in a number of ways, but the most common method is to limit rotation about the X, Y and Z axis independent... |
https://en.wikipedia.org/wiki/Iland | iland Internet Solutions was a provider of hosted cloud infrastructure as a service for production business applications, disaster recovery and business continuity, testing and development, and software as a service enablement for independent software vendors. 11:11 Systems agreed to buy iland in December 2021. When th... |
https://en.wikipedia.org/wiki/Wall.fm | Wall.fm is an online service for people to build and host social networking services, powered by Oxwall software. Wall.fm allows users over 18 years old to register a free account and create custom social networking websites. The site creation process does not involve any coding, and consists of only two steps.
The dis... |
https://en.wikipedia.org/wiki/In%20Mortal%20Hands | In Mortal Hands: A Cautionary History of the Nuclear Age is a 2009 book by Stephanie Cooke. The book explains why nuclear energy failed to develop in the way its planners hoped, and explores the relationship between the military and civilian sides of nuclear energy. In the book, Cooke argues that we are not close to ... |
https://en.wikipedia.org/wiki/Rough%20set | In computer science, a rough set, first described by Polish computer scientist Zdzisław I. Pawlak, is a formal approximation of a crisp set (i.e., conventional set) in terms of a pair of sets which give the lower and the upper approximation of the original set. In the standard version of rough set theory (Pawlak 1991),... |
https://en.wikipedia.org/wiki/Benign%20fasciculation%20syndrome | Benign fasciculation syndrome (BFS) is characterized by fasciculation (twitching) of voluntary muscles in the body. The twitching can occur in any voluntary muscle group but is most common in the eyelids, arms, hands, fingers, legs, and feet. The tongue can also be affected. The twitching may be occasional to continuo... |
https://en.wikipedia.org/wiki/Texas%20Instruments%20AR7 | The Texas Instruments AR7 or TI-AR7 is a fully integrated single-chip ADSL CPE access router solution. The AR7 combines a MIPS32 processor, a DSP-based digital transceiver, and an ADSL analog front end.
Ownership history
In 2007, TI sold its DSL business to Infineon.
In 2009, Infineon Technologies spins off its wire... |
https://en.wikipedia.org/wiki/Global%20coordination%20level | Global coordination level (GCL) is a computational method that evaluates the system-wide dependency in multivariate data, by calculating the distance correlation between random subsets of the variables. Originally applied to gene expression data, GCL assesses the level of coordination between genes, which are fundament... |
https://en.wikipedia.org/wiki/Newt%20Heisley | Newton Foust Heisley (November 9, 1920 – May 14, 2009) was an American commercial artist who was responsible for the design of the POW/MIA flag adopted by the National League of Families, and officially recognized by the United States Congress in relation to the Vietnam War POW/MIA issue "as the symbol of our Nation's ... |
https://en.wikipedia.org/wiki/Partial%20equilibrium | In economics, partial equilibrium is a condition of economic equilibrium which analyzes only a single market, ceteris paribus (everything else remaining constant) except for the one change at a time being analyzed. In general equilibrium analysis, on the other hand, the prices and quantities of all markets in the econo... |
https://en.wikipedia.org/wiki/Cornus%20mas | Cornus mas, commonly known as cornel (also the Cornelian cherry, European cornel or Cornelian cherry dogwood), is a species of shrub or small tree in the dogwood family Cornaceae native to Western Europe, Southern Europe, and Southwestern Asia.
Description
It is a medium to large deciduous shrub or small tree growing ... |
https://en.wikipedia.org/wiki/Circle%20of%20competence | A circle of competence is the subject area which matches a person's skills or expertise. The concept was developed by Warren Buffett and Charlie Munger as what they call a mental model, a codified form of business acumen, concerning the investment strategy of limiting one's financial investments in areas where an indiv... |
https://en.wikipedia.org/wiki/Matrix%20polynomial | In mathematics, a matrix polynomial is a polynomial with square matrices as variables. Given an ordinary, scalar-valued polynomial
this polynomial evaluated at a matrix A is
where I is the identity matrix.
A matrix polynomial equation is an equality between two matrix polynomials, which holds for the specific matri... |
https://en.wikipedia.org/wiki/Transverse%20occipital%20sulcus | The transverse occipital sulcus is a structure in the occipital lobe.
The transverse occipital sulcus is continuous with the posterior end of the occipital ramus of the intraparietal sulcus, and runs across the upper part of the lobe, a short distance behind the parietooccipital fissure. |
https://en.wikipedia.org/wiki/Lymphokine | Lymphokines are a subset of cytokines that are produced by a type of immune cell known as a lymphocyte. They are protein mediators typically produced by T cells to direct the immune system response by signaling between its cells. Lymphokines have many roles, including the attraction of other immune cells, including ma... |
https://en.wikipedia.org/wiki/List%20of%20restriction%20enzyme%20cutting%20sites%3A%20Bsp%E2%80%93Bss | This article contains a list of the most studied restriction enzymes whose names start with Bsp to Bss inclusive. It contains approximately 180 enzymes.
The following information is given:
Whole list navigation
Restriction enzymes
Bsp
Bsr - Bss
Notes
Biotechnology
Restriction enzyme cutting sites
Restriction ... |
https://en.wikipedia.org/wiki/Sarcodon%20imbricatus | Sarcodon imbricatus, commonly known as the shingled hedgehog or scaly hedgehog, is a species of tooth fungus in the order Thelephorales. The mushroom is edible. Many sources report it has a bitter taste, but others have found it delicious and suspect that the bitter specimens may be similar related species. The mushro... |
https://en.wikipedia.org/wiki/Quadric%20%28algebraic%20geometry%29 | In mathematics, a quadric or quadric hypersurface is the subspace of N-dimensional space defined by a polynomial equation of degree 2 over a field. Quadrics are fundamental examples in algebraic geometry. The theory is simplified by working in projective space rather than affine space. An example is the quadric surface... |
https://en.wikipedia.org/wiki/Transient%20photocurrent | Transient photocurrent (TPC) is a measurement technique, typically employed in the physics of thin film semiconductors. TPC allows to study the time-dependent (on a microsecond time scale) extraction of charges generated by photovoltaic effect in semiconductor devices, such as solar cells.
A semiconductor is sandwich... |
https://en.wikipedia.org/wiki/Terminal%20bar%20%28histology%29 | Terminal bar is a histological term given to the unresolved group of junctional complexes that attach adjacent epithelial cells on their lateral surfaces: the zonula occludens, zonula adherens, macula adherens and macula communicans.
Using light microscopy, the terminal bar appears as a bar or spot at the apical surfa... |
https://en.wikipedia.org/wiki/Branchiostegal%20lung | A branchiostegal lung is a respiration organ used by some air-breathing arthropods. It is one of the most significant adaptations of some crabs and hermit crabs such as the coconut crab to their terrestrial habitats.
The branchiostegal (gill) tissue is supported by folds or other mechanisms to increase surface area an... |
https://en.wikipedia.org/wiki/Michael%20R.%20Hayden | Michael R. Hayden, (born 1951) is a Killam Professor of Medical Genetics at the University of British Columbia, the highest honour UBC can confer on any faculty member. Only four such awards have ever been conferred in the Faculty of Medicine. Dr. Hayden is also Canada Research Chair in Human Genetics and Molecular Me... |
https://en.wikipedia.org/wiki/Immunodominance | Immunodominance is the immunological phenomenon in which immune responses are mounted against only a few of the antigenic peptides out of the many produced. That is, despite multiple allelic variations of MHC molecules and multiple peptides presented on antigen presenting cells, the immune response is skewed to only s... |
https://en.wikipedia.org/wiki/Krawtchouk%20matrices | In mathematics, Krawtchouk matrices are matrices whose entries are values of Krawtchouk polynomials at nonnegative integer points. The Krawtchouk matrix K(N) is an matrix. The first few Krawtchouk matrices are:
Definition
In general, for positive integer , the entries are given by the generating function:
where t... |
https://en.wikipedia.org/wiki/Manava | Manava (c. 750 BC – 690 BC) is an author of the Hindu geometric text of Sulba Sutras.
The Manava Sulbasutra is not the oldest (the one by Baudhayana is older), nor is it one of the most important, there being at least three Sulbasutras which are considered more important. Historians place his lifetime at around 750 BC... |
https://en.wikipedia.org/wiki/Abstract%20factory%20pattern | The abstract factory pattern in software engineering is a design pattern that provides a way to create families of related objects without imposing their concrete classes, by encapsulating a group of individual factories that have a common theme without specifying their concrete classes. According to this pattern, a cl... |
https://en.wikipedia.org/wiki/Homojunction | A homojunction is a semiconductor interface that occurs between layers of similar semiconductor material; these materials have equal band gaps but typically have different doping. In most practical cases a homojunction occurs at the interface between an n-type (donor doped) and p-type (acceptor doped) semiconductor suc... |
https://en.wikipedia.org/wiki/Basidiomycota | Basidiomycota () is one of two large divisions that, together with the Ascomycota, constitute the subkingdom Dikarya (often referred to as the "higher fungi") within the kingdom Fungi. Members are known as basidiomycetes. More specifically, Basidiomycota includes these groups: agarics, puffballs, stinkhorns, bracket fu... |
https://en.wikipedia.org/wiki/Timeline%20of%20information%20theory | A timeline of events related to information theory, quantum information theory and statistical physics, data compression, error correcting codes and related subjects.
1872 – Ludwig Boltzmann presents his H-theorem, and with it the formula Σpi log pi for the entropy of a single gas particle
1878 – J. Willard Gi... |
https://en.wikipedia.org/wiki/Lempel%E2%80%93Ziv%E2%80%93Oberhumer | Lempel–Ziv–Oberhumer (LZO) is a lossless data compression algorithm that is focused on decompression speed.
Design
The original "lzop" implementation, released in 1996, was developed by Markus Franz Xaver Johannes Oberhumer, based on earlier algorithms by Abraham Lempel and Jacob Ziv. The LZO library implements a num... |
https://en.wikipedia.org/wiki/Science%20On%20a%20Sphere | Science On a Sphere (SOS) is a spherical projection system created by the United States National Oceanic and Atmospheric Administration (NOAA). It presents high-resolution video on a suspended globe rather than a flat screen, with the aim of better representing global phenomena. Animated images of atmospheric storms, c... |
https://en.wikipedia.org/wiki/The%20Michael%20J.%20Fox%20Foundation | The Michael J. Fox Foundation for Parkinson's Research aims to find a cure for Parkinson's disease (PD) founded in 2000 by Michael J. Fox. It concentrates on funding research and ensuring the development of improved therapies for people with Parkinson's.
History
Established in 2000 by Canadian actor Michael J. Fox, t... |
https://en.wikipedia.org/wiki/Paraphrasing%20%28computational%20linguistics%29 | Paraphrase or paraphrasing in computational linguistics is the natural language processing task of detecting and generating paraphrases. Applications of paraphrasing are varied including information retrieval, question answering, text summarization, and plagiarism detection. Paraphrasing is also useful in the evaluatio... |
https://en.wikipedia.org/wiki/Marine%20optical%20buoy | The marine optical buoy (MOBY) measures light at and very near the sea surface in a specific location over a long period of time, serving as part of an ocean color observation system. Satellites are another component of the system, providing global coverage through remote sensing; however, satellites measure light abov... |
https://en.wikipedia.org/wiki/PLOS%20Genetics | PLOS Genetics is a peer-reviewed open access scientific journal established in 2005 and published by the Public Library of Science. The founding editor-in-chief was Wayne N. Frankel (Columbia University Medical Center). The current editors-in-chief are Gregory S. Barsh (HudsonAlpha Institute of Biotechnology and Stanfo... |
https://en.wikipedia.org/wiki/Swarm%20Development%20Group | The Swarm Development Group (SDG) is an American non-profit organization to advance the development of complex adaptive system-oriented agent-based modeling (ABM) tools initiated at the Santa Fe Institute (SFI) in Santa Fe, New Mexico, US.
History
Swarm Development Group was formed in 1999 by a group of multidisciplin... |
https://en.wikipedia.org/wiki/%C3%96mer%20Cerraho%C4%9Flu | Ömer Cerrahoğlu (born 3 May 1995) is a Romanian child prodigy in mathematics. At the age of , he won a gold medal at the 2009 International Mathematical Olympiad, making him the third-youngest gold medalist in IMO history, behind Terence Tao and Raúl Chávez Sarmiento.
Early life and education
He was born in Istanbul,... |
https://en.wikipedia.org/wiki/Routing%20Information%20Protocol | The Routing Information Protocol (RIP) is one of the oldest distance-vector routing protocols which employs the hop count as a routing metric. RIP prevents routing loops by implementing a limit on the number of hops allowed in a path from source to destination. The largest number of hops allowed for RIP is 15, which li... |
https://en.wikipedia.org/wiki/Cole%E2%80%93Hopf%20transformation | The Cole–Hopf transformation is a method of solving parabolic partial differential equations (PDEs) with a quadratic nonlinearity of the form:where , are constants, is the Laplace operator, is the gradient, and is the -norm. By assuming that , where is an unknown smooth function, we may calculate:Which implies tha... |
https://en.wikipedia.org/wiki/Degree-preserving%20randomization | Degree Preserving Randomization is a technique used in Network Science that aims to assess whether or not variations observed in a given graph could simply be an artifact of the graph's inherent structural properties rather than properties unique to the nodes, in an observed network.
Background
Cataloged as early as 1... |
https://en.wikipedia.org/wiki/Tera%20100 | Tera 100 is a supercomputer built by Bull SA for the French Commissariat à l'Énergie Atomique.
On May 26, 2010, Tera 100 was turned on. The computer, which is located in Essonne is able to sustain around 1 petaFLOPs maximum performance and a peak at 1.25 petaFLOPs. It has 4300 Bullx Series S servers ('Mesca'), 140,000... |
https://en.wikipedia.org/wiki/Willmore%20conjecture | In differential geometry, the Willmore conjecture is a lower bound on the Willmore energy of a torus. It is named after the English mathematician Tom Willmore, who conjectured it in 1965. A proof by Fernando Codá Marques and André Neves was announced in 2012 and published in 2014.
Willmore energy
Let v : M → R3 be a ... |
https://en.wikipedia.org/wiki/73%20%28number%29 | 73 (seventy-three) is the natural number following 72 and preceding 74. In English, it is the smallest natural number with twelve letters in its spelled out name.
In mathematics
73 is the 21st prime number, and emirp with 37, the 12th prime number. It is also the eighth twin prime, with 71. It is the largest minimal ... |
https://en.wikipedia.org/wiki/Help%20%28command%29 | In computing, help is a command in various command line shells such as COMMAND.COM, cmd.exe, Bash, qshell, 4DOS/4NT, Windows PowerShell, Singularity shell, Python, MATLAB and GNU Octave. It provides online information about available commands and the shell environment.
Implementations
The command is available in oper... |
https://en.wikipedia.org/wiki/Sander%20P.%20Zwegers | Sander Pieter Zwegers (born April 16, 1975) is a Dutch mathematician who made a connection between Maass forms and Srinivasa Ramanujan's mock theta functions in 2002. He was born in Oosterhout. After a period at the Max-Planck Institute in Bonn, he became an assistant professor at the University College Dublin in 2008.... |
https://en.wikipedia.org/wiki/Space-time%20adaptive%20processing | Space-time adaptive processing (STAP) is a signal processing technique most commonly used in radar systems. It involves adaptive array processing algorithms to aid in target detection. Radar signal processing benefits from STAP in areas where interference is a problem (i.e. ground clutter, jamming, etc.). Through ca... |
https://en.wikipedia.org/wiki/Geographic%20routing | Geographic routing (also called georouting or position-based routing) is a routing principle that relies on geographic position information. It is mainly proposed for wireless networks and based on the idea that the source sends a message to the geographic location of the destination instead of using the network addres... |
https://en.wikipedia.org/wiki/Ramification%20group | In number theory, more specifically in local class field theory, the ramification groups are a filtration of the Galois group of a local field extension, which gives detailed information on the ramification phenomena of the extension.
Ramification theory of valuations
In mathematics, the ramification theory of valuati... |
https://en.wikipedia.org/wiki/List%20of%20sovereign%20states%20by%20date%20of%20current%20flag%20adoption | This is a list of sovereign states by the date in which they adopted their current national flag.
For most of these states, the date of flag adoption is clear, but for others the exact date of flag adoption is unknown or disputed because of design changes. This list defines the year of flag adoption as the year since ... |
https://en.wikipedia.org/wiki/Timeworks%20Publisher | Timeworks Publisher was a desktop publishing (DTP) program produced by GST Software in the United Kingdom.
It is notable as the first affordable DTP program for the IBM PC. In appearance and operation, it was a Ventura Publisher clone, but it was possible to run it on a computer without a hard disk.
Versions
Timewor... |
https://en.wikipedia.org/wiki/Bee%20learning%20and%20communication | Bee learning and communication includes cognitive and sensory processes in all kinds of bees, that is the insects in the seven families making up the clade Anthophila. Some species have been studied more extensively than others, in particular Apis mellifera, or European honey bee. Color learning has also been studied i... |
https://en.wikipedia.org/wiki/Fundamental%20theorem%20of%20algebra | The fundamental theorem of algebra, also known as d'Alembert's theorem, or the d'Alembert–Gauss theorem, states that every non-constant single-variable polynomial with complex coefficients has at least one complex root. This includes polynomials with real coefficients, since every real number is a complex number with i... |
https://en.wikipedia.org/wiki/Hsiang%E2%80%93Lawson%27s%20conjecture | In mathematics, Lawson's conjecture states that the Clifford torus is the only minimally embedded torus in the 3-sphere S3. The conjecture was featured by the Australian Mathematical Society Gazette as part of the Millennium Problems series.
In March 2012, Simon Brendle gave a proof of this conjecture, based on maximu... |
https://en.wikipedia.org/wiki/Monorepo | In version-control systems, a monorepo ("mono" meaning 'single' and "repo" being short for 'repository') is a software-development strategy in which the code for a number of projects is stored in the same repository. This practice dates back to at least the early 2000s, when it was commonly called a shared codebase. Go... |
https://en.wikipedia.org/wiki/Gelfand%20pair | In mathematics, a Gelfand pair is a pair (G,K) consisting of a group G and a subgroup K (called an Euler subgroup of G) that satisfies a certain property on restricted representations. The theory of Gelfand pairs is closely related to the topic of spherical functions in the classical theory of special functions, and to... |
https://en.wikipedia.org/wiki/VM%20%28operating%20system%29 | VM (often: VM/CMS) is a family of IBM virtual machine operating systems used on IBM mainframes System/370, System/390, zSeries, System z and compatible systems, including the Hercules emulator for personal computers.
The following versions are known:
Virtual Machine Facility/370
VM/370, released in 1972, is a System/... |
https://en.wikipedia.org/wiki/Hartree%20equation | In 1927, a year after the publication of the Schrödinger equation, Hartree formulated what are now known as
the Hartree equations for atoms, using the concept of self-consistency that Lindsay had introduced in his study of many electron systems in the context of Bohr theory. Hartree assumed that the nucleus together... |
https://en.wikipedia.org/wiki/Manot%20Cave | Manot Cave ( Me'arat Manot) is a cave in Western Galilee, Israel, discovered in 2008. It is notable for the discovery of a skull that belongs to a modern human, called Manot 1, which is estimated to be 54,700 years old (U–Th dating of the calcitic crust on the Manot 1 calvaria and of speleothems in the cave). The parti... |
https://en.wikipedia.org/wiki/David%20Richardson%20Medal | The David Richardson Medal is awarded by the Optical Society (formerly the Optical Society of America) to recognize contributions to optical engineering, primarily in the commercial and industrial sector. The award was first made in 1966 to its namesake David J. Richardson. He received it for distinctive contributions ... |
https://en.wikipedia.org/wiki/Dirichlet%20character | In analytic number theory and related branches of mathematics, a complex-valued arithmetic function is a Dirichlet character of modulus (where is a positive integer) if for all integers and :
that is, is completely multiplicative.
(gcd is the greatest common divisor)
; that is, is periodic with period .
Th... |
https://en.wikipedia.org/wiki/Titan2d-mod | Titan2d-mod (titan 3.1.1, 2016) is a free open source code to simulate dry granular avalanche flows over natural terrain, modified from an early version (titan 3.0.0, 2011) of TITAN2D code. It is available in the contributor's home page http://lsec.cc.ac.cn/~lyuan/code.html, or searchable in the Sourceforge website.
... |
https://en.wikipedia.org/wiki/Comparison%20of%20open-source%20and%20closed-source%20software | Free/open-source software – the source availability model used by free and open-source software (FOSS) – and closed source are two approaches to the distribution of software.
Background
Under the closed-source model source code is not released to the public. Closed-source software is maintained by a team who produce... |
https://en.wikipedia.org/wiki/Arithmetico-geometric%20sequence | In mathematics, arithmetico-geometric sequence is the result of term-by-term multiplication of a geometric progression with the corresponding terms of an arithmetic progression. Put plainly, the nth term of an arithmetico-geometric sequence is the product of the nth term of an arithmetic sequence
and the nth term of a ... |
https://en.wikipedia.org/wiki/RadioVIS | RadioVIS is a protocol for sideband signalling of images and text messages for a broadcast audio service to provide a richer visual experience.
It is an application and sub-project of RadioDNS, which allows radio consumption devices to look up an IP-based service based on the parameters of the currently tuned broadcas... |
https://en.wikipedia.org/wiki/Glial%20cell%20line-derived%20neurotrophic%20factor | Glial cell line-derived neurotrophic factor (GDNF) is a protein that, in humans, is encoded by the GDNF gene. GDNF is a small protein that potently promotes the survival of many types of neurons. It signals through GFRα receptors, particularly GFRα1.
It is also responsible for the determination of spermatogonia into pr... |
https://en.wikipedia.org/wiki/Zermelo%27s%20theorem%20%28game%20theory%29 | In game theory, Zermelo's theorem is a theorem about finite two-person games of perfect information in which the players move alternately and in which chance does not affect the decision making process. It says that if the game cannot end in a draw, then one of the two players must have a winning strategy (i.e. can for... |
https://en.wikipedia.org/wiki/Robot%20control | Robotic control is the system that contributes to the movement of robots. This involves the mechanical aspects and programmable systems that makes it possible to control robots. Robotics can be controlled by various means including manual, wireless, semi-autonomous (a mix of fully automatic and wireless control), and f... |
https://en.wikipedia.org/wiki/Data%20URI%20scheme | The data URI scheme is a uniform resource identifier (URI) scheme that provides a way to include data in-line in Web pages as if they were external resources. It is a form of file literal or here document. This technique allows normally separate elements such as images and style sheets to be fetched in a single Hypert... |
https://en.wikipedia.org/wiki/Carlos%20Sainz%3A%20World%20Rally%20Championship | Carlos Sainz: World Rally Championship is a 1990 racing video game co-developed by the Spanish companies Zigurat Software (previously known as Made in Spain) and Arcadia Software, and published by Zigurat for Amstrad CPC, MS-DOS, MSX and ZX Spectrum. Featuring Spanish rally driver Carlos Sainz and themed around rallyin... |
https://en.wikipedia.org/wiki/Acoustic%20interferometer | An acoustic interferometer is an instrument that uses interferometry to measure the physical characteristics of sound waves in a gas or liquid. It may be used to measure velocity, wavelength, absorption, or impedance of the sound waves. The principle of operation is that a vibrating crystal creates ultrasonic waves tha... |
https://en.wikipedia.org/wiki/Fairchild%20660 | The Fairchild 660 is a tube-based single-channel audio compressor invented by Rein Narma and manufactured by the Fairchild Recording Equipment Corporation beginning in 1959. The 660 was the first intelligent automatic volume control limiter. The Fairchild 670, introduced shortly after the 660, is a dual-channel version... |
https://en.wikipedia.org/wiki/Armstrong%20Audio | Armstrong Audio, originally called Armstrong Wireless and Television Ltd. was a British manufacturer of radios and other audio equipment based in London, England. Founded by Claude Charles Jackson in 1932.
History
Initially created to manufacture portable radios, during World War II their factory was used to manufac... |
https://en.wikipedia.org/wiki/IBM%20WebSphere | IBM WebSphere refers to a brand of proprietary computer software products in the genre of enterprise software known as "application and integration middleware". These software products are used by end-users to create and integrate applications with other applications. IBM WebSphere has been available to the general mar... |
https://en.wikipedia.org/wiki/Qingjiang%20biota | The Qingjiang biota are a major discovery of fossilized remains dating from the early Cambrian period approximately 518 million years ago. The remains consist at least 20,000 individual specimens, and were discovered near the Danshui River in the Hubei province of China in 2019. The site is particularly notable due to ... |
https://en.wikipedia.org/wiki/Distcc | In software development, distcc is a tool for speeding up compilation of source code by using distributed computing over a computer network. With the right configuration, distcc can dramatically reduce a project's compilation time.
It is designed to work with the C programming language (and its derivatives like C++ an... |
https://en.wikipedia.org/wiki/Hermitian%20symmetric%20space | In mathematics, a Hermitian symmetric space is a Hermitian manifold which at every point has an inversion symmetry preserving the Hermitian structure. First studied by Élie Cartan, they form a natural generalization of the notion of Riemannian symmetric space from real manifolds to complex manifolds.
Every Hermitian s... |
https://en.wikipedia.org/wiki/UMANG | Unified Mobile Application for New-age Governance (UMANG) is a mobile app, a Digital India initiative of Ministry of Electronics and Information Technology (in short form MeitY), by the Government of India for access to central and state government services. The app supports 13 Indian languages and is available for And... |
https://en.wikipedia.org/wiki/Valve%20audio%20amplifier%20technical%20specification | Technical specifications and detailed information on the valve audio amplifier, including its development history.
Circuitry and performance
Characteristics of valves
Valves (also known as vacuum tubes) are very high input impedance (near infinite in most circuits) and high-output impedance devices. They are also hi... |
https://en.wikipedia.org/wiki/Motorola%2056000 | The Motorola DSP56000 (also known as 56K) is a family of digital signal processor (DSP) chips produced by Motorola Semiconductor (later Freescale Semiconductor then NXP) starting in 1986 with later models are still being produced in the 2020s. The 56k series was quite popular for a time in a number of computers, includ... |
https://en.wikipedia.org/wiki/EHD3 | Eps15 homology domain-containing protein 3, abbreviated as EHD3 and also known as PAST3, is a protein encoded by the EHD3 gene. It has been observed in humans, mice and rats. It belongs to the EHD protein family, a group of four membrane remodeling proteins related to the Dynamin superfamily of large GTPases. Although ... |
https://en.wikipedia.org/wiki/Continuous%20mapping%20theorem | In probability theory, the continuous mapping theorem states that continuous functions preserve limits even if their arguments are sequences of random variables. A continuous function, in Heine’s definition, is such a function that maps convergent sequences into convergent sequences: if xn → x then g(xn) → g(x). The co... |
https://en.wikipedia.org/wiki/Experimental%20language | An experimental language is a constructed language designed for linguistics research, often on the relationship between language and thought.
One particular assumption having received much attention in fiction is popularly known as the Sapir–Whorf hypothesis. The claim is that the structure of a language somehow affe... |
https://en.wikipedia.org/wiki/17th%20meridian%20west | The meridian 17° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Greenland, Iceland, the Atlantic Ocean, Africa, the Southern Ocean, and Antarctica to the South Pole.
The 17th meridian west forms a great circle with the 163rd meridian east.
From Pole to Pole
Starting... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.