id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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|---|---|---|---|---|---|
983,787 | https://en.wikipedia.org/wiki/Foreword | A foreword is a (usually short) piece of writing, sometimes placed at the beginning of a book or other piece of literature. Typically written by someone other than the primary author of the work, it often tells of some interaction between the writer of the foreword and the book's primary author or the story the book t... | Foreword | Engineering | 368 |
24,328,041 | https://en.wikipedia.org/wiki/Response%20reactions | The theory of response reactions (RERs) was elaborated for systems in which several physico-chemical processes run simultaneously in mutual interaction, with local thermodynamic equilibrium, and in which state variables called extents of reaction are allowed, but thermodynamic equilibrium proper is not required. It is ... | Response reactions | Physics,Chemistry,Mathematics | 235 |
7,816,625 | https://en.wikipedia.org/wiki/Package-merge%20algorithm | The package-merge algorithm is an O(nL)-time algorithm for finding an optimal length-limited Huffman code for a given distribution on a given alphabet of size n, where no code word is longer than L. It is a greedy algorithm, and a generalization of Huffman's original algorithm. Package-merge works by reducing the cod... | Package-merge algorithm | Mathematics | 863 |
14,925,389 | https://en.wikipedia.org/wiki/Ras%20superfamily | The Ras superfamily, derived from "Rat sarcoma virus", is a protein superfamily of small GTPases. Members of the superfamily are divided into families and subfamilies based on their structure, sequence and function. The five main families are Ras, Rho, Ran, Rab and Arf GTPases. The Ras family itself is further divided ... | Ras superfamily | Chemistry,Biology | 259 |
1,254,336 | https://en.wikipedia.org/wiki/Applied%20ecology | Applied ecology is a sub-field within ecology that considers the application of the science of ecology to real-world (usually management) questions. It is also described as a scientific field that focuses on the application of concepts, theories, models, or methods of fundamental ecology to environmental problems.
Con... | Applied ecology | Chemistry,Engineering,Biology,Environmental_science | 726 |
56,896,664 | https://en.wikipedia.org/wiki/List%20of%20Fujitsu%20image%20scanners | Fujitsu manufactures two series of image scanners: ScanSnap for consumers/SOHO, and fi for business (fi includes SP brand). Popular ScanSnap models include the S1300, a feature-rich scanner that can scan double-sided color originals, and the S1100, one of the world's smallest scanners. By September 2018, ScanSnap had s... | List of Fujitsu image scanners | Technology | 259 |
49,996,732 | https://en.wikipedia.org/wiki/Uztelecom | Uzbektelecom is a telecommunications company that provides services throughout Uzbekistan, with its headquarters situated in the capital city of Tashkent.
Uzbektelecom is a company that offers a range of data transmission services, including internet access, virtual private network (VPN) services, video conferencing, ... | Uztelecom | Technology | 829 |
51,121,181 | https://en.wikipedia.org/wiki/Topological%20Galois%20theory | In mathematics, topological Galois theory is a mathematical theory which originated from a topological proof of Abel's impossibility theorem found by Vladimir Arnold and concerns the applications of some topological concepts to some problems in the field of Galois theory. It connects many ideas from algebra to ideas in... | Topological Galois theory | Physics,Mathematics | 140 |
39,563,465 | https://en.wikipedia.org/wiki/List%20of%20open-source%20software%20for%20mathematics | This is a list of open-source software to be used for high-order mathematical calculations. This software has played an important role in the field of mathematics. Open-source software in mathematics has become pivotal in education because of the high cost of textbooks.
Computer algebra systems
A computer algebra s... | List of open-source software for mathematics | Mathematics,Technology | 1,910 |
49,253,215 | https://en.wikipedia.org/wiki/Zinc%20finger%20protein%20613 | Zinc finger protein 613 is a protein that in humans is encoded by the ZNF613 gene.
References
Further reading
Proteins | Zinc finger protein 613 | Chemistry | 28 |
73,169,871 | https://en.wikipedia.org/wiki/NOMe-seq | Nucleosome Occupancy and Methylome Sequencing (NOMe-seq) is a genomics technique used to simultaneously detect nucleosome positioning and DNA methylation... This method is an extension of bisulfite sequencing, which is the gold standard for determining DNA methylation. NOMe-seq relies on the methyltransferase M.CviPl, ... | NOMe-seq | Chemistry,Biology | 1,613 |
15,364,270 | https://en.wikipedia.org/wiki/Cunningham%20number | In mathematics, specifically in number theory, a Cunningham number is a certain kind of integer named after English mathematician A. J. C. Cunningham.
Definition
Cunningham numbers are a simple type of binomial number – they are of the form
where b and n are integers and b is not a perfect power. They are denoted C... | Cunningham number | Mathematics | 334 |
34,367,319 | https://en.wikipedia.org/wiki/NGC%203259 | NGC 3259 is a barred spiral galaxy located approximately 90 million light-years from Earth, in the Ursa Major constellation. It has the morphological classification SAB(rs)bc, which indicates that it is a spiral galaxy with a weak bar across the nucleus (SAB), an incomplete inner ring structure circling the bar (rs), a... | NGC 3259 | Astronomy | 125 |
3,722 | https://en.wikipedia.org/wiki/Berlin%20Wall | The Berlin Wall (, ) was a guarded concrete barrier that encircled West Berlin from 1961 to 1989, separating it from East Berlin and the German Democratic Republic (GDR; East Germany). Construction of the Berlin Wall was commenced by the government of the GDR on 13 August 1961. It included guard towers placed along lar... | Berlin Wall | Engineering | 14,390 |
3,982,609 | https://en.wikipedia.org/wiki/Shoulder%20surfing%20%28computer%20security%29 | In computer security, shoulder surfing is a type of social engineering technique used to obtain information such as personal identification numbers (PINs), passwords and other confidential data by looking over the victim's shoulder. Unauthorized users watch the keystrokes inputted on a device or listen to sensitive inf... | Shoulder surfing (computer security) | Technology | 1,781 |
30,307,851 | https://en.wikipedia.org/wiki/Distortion%20problem | In functional analysis, a branch of mathematics, the distortion problem is to determine by how much one can distort the unit sphere in a given Banach space using an equivalent norm. Specifically, a Banach space X is called λ-distortable if there exists an equivalent norm |x| on X such that, for all infinite-dimensiona... | Distortion problem | Mathematics | 552 |
3,727,811 | https://en.wikipedia.org/wiki/NGC%202683 | NGC 2683 is a field spiral galaxy in the northern constellation of Lynx. It was nicknamed the "UFO Galaxy" by the Astronaut Memorial Planetarium and Observatory. It was discovered by the astronomer William Herschel on February 5, 1788.
It is viewed nearly edge-on from Earth's location in space and is located about 30 ... | NGC 2683 | Astronomy | 500 |
51,406,533 | https://en.wikipedia.org/wiki/Racah%20seniority%20number | The Racah seniority number (seniority quantum number) was introduced by Giulio Racah for the classification of electrons in an atomic configuration. The "seniority number", in a loosing statement, is quantum number additional to the total angular momentum and total spin , which gives the degree of unpaired particles... | Racah seniority number | Physics | 144 |
16,108,852 | https://en.wikipedia.org/wiki/Immersion%20silver%20plating | Immersion silver plating (or IAg plating) is a surface plating process that creates a thin layer of silver over copper objects. It consists in dipping the object briefly into a solution containing silver ions.
Immersion silver plating is used by the electronics industry in manufacture of printed circuit boards (PCBs... | Immersion silver plating | Engineering | 252 |
393,810 | https://en.wikipedia.org/wiki/Richardson%20number | The Richardson number (Ri) is named after Lewis Fry Richardson (1881–1953). It is the dimensionless number that expresses the ratio of the buoyancy term to the flow shear term:
where is gravity, is density, is a representative flow speed, and is depth.
The Richardson number, or one of several variants, is of pra... | Richardson number | Chemistry,Engineering,Environmental_science | 935 |
15,668,437 | https://en.wikipedia.org/wiki/Gartons%20Limited | Dr John Garton, of the firm of Garton Brothers of Newton-le-Willows in the United Kingdom was the Originator of Scientific Farm Plant Breeding. He is credited as the first scientist to show that the common grain crops and many other plants are self-fertilizing. He also invented the process of multiple cross-fertilizat... | Gartons Limited | Chemistry,Biology | 6,812 |
34,985,593 | https://en.wikipedia.org/wiki/Fractal%20catalytic%20model | A fractal catalytic model is a mathematical representation of chemical catalysis in an environment with fractal characteristics.
References
Fractals
Catalysis | Fractal catalytic model | Chemistry,Mathematics | 33 |
181,568 | https://en.wikipedia.org/wiki/NMEA%200183 | NMEA 0183 is a combined electrical and data specification for communication between marine electronics such as echo sounder, sonars, anemometer, gyrocompass, autopilot, GPS receivers and many other types of instruments. It has been defined and is controlled by the National Marine Electronics Association (NMEA). It repl... | NMEA 0183 | Technology,Engineering | 1,808 |
11,586,432 | https://en.wikipedia.org/wiki/Henry%20P.%20H.%20Bromwell | Henry Pelham Holmes Bromwell (August 26, 1823 – January 9, 1903) was an American lawyer, politician from Illinois, and prominent Freemason. He was a lawyer and judge who served as a U.S. representative from Illinois from 1865–1869 and continued to practice law when he moved to Colorado in 1870 where he was appointed to... | Henry P. H. Bromwell | Engineering | 2,095 |
15,224,513 | https://en.wikipedia.org/wiki/PTPRCAP | Protein tyrosine phosphatase receptor type C-associated protein is an enzyme that in humans is encoded by the PTPRCAP gene.
The protein encoded by this gene was identified as a transmembrane phosphoprotein specifically associated with tyrosine phosphatase PTPRC/CD45, a key regulator of T- and B-lymphocyte activation. ... | PTPRCAP | Chemistry | 104 |
35,190,669 | https://en.wikipedia.org/wiki/Visceral%20pain | Visceral pain is pain that results from the activation of nociceptors of the thoracic, pelvic, or abdominal viscera (organs). Visceral structures are highly sensitive to distension (stretch), ischemia and inflammation, but relatively insensitive to other stimuli that normally evoke pain such as cutting or burning.
Vi... | Visceral pain | Biology | 1,968 |
27,124,959 | https://en.wikipedia.org/wiki/Sakuma%E2%80%93Hattori%20equation | In physics, the Sakuma–Hattori equation is a mathematical model for predicting the amount of thermal radiation, radiometric flux or radiometric power emitted from a perfect blackbody or received by a thermal radiation detector.
History
The Sakuma–Hattori equation was first proposed by Fumihiro Sakuma, Akira Ono and S... | Sakuma–Hattori equation | Physics,Mathematics | 677 |
23,951,452 | https://en.wikipedia.org/wiki/Enestebol | Enestebol (), also known as 4-hydroxy-17α-methyl-δ1-testosterone, as well as 4,17β-dihydroxy-17α-methylandrosta-1,4-dien-3-one, is a synthetic and orally active anabolic–androgenic steroid (AAS) and a 17α-alkylated derivative of testosterone which was never marketed. It is closely related to oxymesterone (4-hydroxy-17α... | Enestebol | Chemistry | 214 |
6,847,430 | https://en.wikipedia.org/wiki/Sec-Butyllithium | sec-Butyllithium is an organometallic compound with the formula CH3CHLiCH2CH3, abbreviated sec-BuLi or s-BuLi. This chiral organolithium reagent is used as a source of sec-butyl carbanion in organic synthesis.
Synthesis
sec-BuLi can be prepared by the reaction of sec-butyl halides with lithium metal:
Properties
Phys... | Sec-Butyllithium | Chemistry | 472 |
28,916,168 | https://en.wikipedia.org/wiki/Hong%20Kong%20International%20Convention%20for%20the%20safe%20and%20environmentally%20sound%20recycling%20of%20ships | The Hong Kong International Convention for the safe and environmentally sound recycling of ships, or Hong Kong Convention, is a multilateral convention adopted in 2009, which has not entered into force. The conference that created the convention was attended by 63 countries, and overseen by the International Maritime O... | Hong Kong International Convention for the safe and environmentally sound recycling of ships | Physics,Chemistry,Technology | 1,901 |
14,212,068 | https://en.wikipedia.org/wiki/Mercury%28IV%29%20fluoride | Mercury(IV) fluoride, HgF4, is a purported compound, the first to be reported with mercury in the +4 oxidation state. Mercury, like the other group 12 elements (cadmium and zinc), has an s2d10 electron configuration and generally only forms bonds involving its 6s orbital. This means that the highest oxidation state mer... | Mercury(IV) fluoride | Chemistry | 734 |
37,217,735 | https://en.wikipedia.org/wiki/Women%27s%20oversized%20fashion%20in%20the%20United%20States%20since%20the%201920s | Oversized fashion, distinct from plus-sized fashion, consists of clothing and other accessories that are larger than normal and reflect some sort of attitude, message, or trend of the period at hand. While oversized fashion trends from the 1920s to the turn of the century vary from decade to decade, there are many over... | Women's oversized fashion in the United States since the 1920s | Physics,Mathematics | 3,962 |
2,612,812 | https://en.wikipedia.org/wiki/CNDO/2 | Complete Neglect of Differential Overlap (CNDO) is one of the first semi empirical methods in quantum chemistry. It uses the core approximation, in which only the outer valence electrons are explicitly included, and the approximation of zero-differential overlap.
CNDO/2 is the main version of CNDO. The method was firs... | CNDO/2 | Chemistry | 373 |
23,922,168 | https://en.wikipedia.org/wiki/Telepresence%20technology | Telepresence technology is a term used by the National Oceanic and Atmospheric Administration (NOAA) to refer to the combination of satellite technology with the Internet to broadcast information, including video in real-time from cameras used on its remotely operated vehicle (ROV) on Okeanos Explorer. Its ROV will... | Telepresence technology | Physics,Environmental_science | 183 |
27,005,434 | https://en.wikipedia.org/wiki/Stochastic%20roadmap%20simulation | For robot control, Stochastic roadmap simulation is inspired by probabilistic roadmap methods (PRM) developed for robot motion planning.
The main idea of these methods is to capture the connectivity of a geometrically complex high-dimensional space by constructing a graph of local paths connecting points randomly sam... | Stochastic roadmap simulation | Engineering | 271 |
20,842,572 | https://en.wikipedia.org/wiki/Acrylic%20rubber | Acrylic rubber, known by the chemical name alkyl acrylate copolymer (ACM) or the tradename HyTemp, is a type of rubber that has outstanding resistance to hot oil and oxidation. It belongs to specialty rubbers. It has a continuous working temperature of and an intermittent limit of . ACM is polar and lacks unsaturation... | Acrylic rubber | Physics,Chemistry | 177 |
60,758,754 | https://en.wikipedia.org/wiki/Coral%20Reef%20Conservation%20Program | Coral Reef Conservation Program (CRCP) is a partnership between National Oceanic and Atmospheric Administration (NOAA) agencies, established in 2000. The program is a multidisciplinary approach, initiated by the NOAA, to managing and understanding coral reef ecosystems through research and the publication of data to su... | Coral Reef Conservation Program | Environmental_science | 2,549 |
6,716,887 | https://en.wikipedia.org/wiki/Matti%20Jutila | Matti Ilmari Jutila (born 1943) is a mathematician and a professor emeritus at the University of Turku. He researches in the field of analytic number theory.
Education and career
Jutila completed a doctorate at the University of Turku in 1970, with a dissertation related to Linnik's constant supervised by .
Jutila's ... | Matti Jutila | Mathematics | 145 |
32,264,875 | https://en.wikipedia.org/wiki/Raspberry%20Pi%20Foundation | The Raspberry Pi Foundation is a registered charity in England and Wales, as well as an England and Wales company limited by guarantee. It was founded in 2009 to promote the study of computer science. It is part of a group that comprises legal entities in India, Ireland, and the United States, which carry out educatio... | Raspberry Pi Foundation | Technology | 1,048 |
36,830,673 | https://en.wikipedia.org/wiki/Hurwitz%20problem | In mathematics, the Hurwitz problem (named after Adolf Hurwitz) is the problem of finding multiplicative relations between quadratic forms which generalise those known to exist between sums of squares in certain numbers of variables.
Description
There are well-known multiplicative relationships between sums of squares... | Hurwitz problem | Mathematics | 387 |
72,080,374 | https://en.wikipedia.org/wiki/Leucocoprinus%20viridiflavoides | Leucocoprinus viridiflavoides is a species of mushroom producing fungus in the family Agaricaceae. It may still be known as Leucoagaricus viridiflavoides.
Taxonomy
It was first described in 2000 by Brian P. Akers and Sherri A. Angels who classified it as Leucoagaricus viridiflavoides.
In 2012 it was reclassified as ... | Leucocoprinus viridiflavoides | Biology | 762 |
56,240,950 | https://en.wikipedia.org/wiki/PyCBC | PyCBC is an open source software package primarily written in the Python programming language which is designed for use in gravitational-wave astronomy and gravitational-wave data analysis. PyCBC contains modules for signal processing, FFT, matched filtering, gravitational waveform generation, among other tasks common ... | PyCBC | Physics,Astronomy | 235 |
30,953,521 | https://en.wikipedia.org/wiki/Neutron%20moisture%20gauge | A neutron moisture meter is a moisture meter utilizing neutron scattering. The meters are most frequently used to measure the water content in soil or rock. The technique is non-destructive, and is sensitive to moisture in the bulk of the target material, not just at the surface.
Water, due to its hydrogen content, is... | Neutron moisture gauge | Physics,Chemistry,Materials_science | 201 |
21,215,692 | https://en.wikipedia.org/wiki/Difetarsone | Difetarsone is an antiprotozoal agent. Various studies have shown it to be particularly effective against Trichuris trichiura, commonly known as the whipworm. Prior to the drugs use in the early 1970s, there were few effective treatments for this infection. It has also been used to treat Entamoeba histolytica infection... | Difetarsone | Biology | 122 |
14,207 | https://en.wikipedia.org/wiki/Hematite | Hematite (), also spelled as haematite, is a common iron oxide compound with the formula, Fe2O3 and is widely found in rocks and soils. Hematite crystals belong to the rhombohedral lattice system which is designated the alpha polymorph of . It has the same crystal structure as corundum () and ilmenite (). With this it ... | Hematite | Technology | 2,066 |
36,448,733 | https://en.wikipedia.org/wiki/Wison%20Group | Wison Group () is an engineering, procurement, and construction company, or EPC firm which focuses on the industries of energy and high-technology. The company attracted significant international coverage in the first half of 2012 by winning a contract to “engineer, procure, construct, install, and commission” (EPCIC) ... | Wison Group | Engineering | 1,313 |
637,228 | https://en.wikipedia.org/wiki/Hulett | The Hulett was an ore unloader that was widely used on the Great Lakes of North America. It was unsuited to tidewater ports because it could not adjust for rising and falling tides, although one was used in New York City.
History
The Hulett was invented by George Hulett of Conneaut, Ohio, in the late 19th century; he ... | Hulett | Chemistry,Engineering | 1,041 |
49,295,086 | https://en.wikipedia.org/wiki/Mirvetuximab%20soravtansine | Mirvetuximab soravtansine, sold under the brand name Elahere, is a medication used as a treatment for epithelial ovarian cancer, fallopian tube cancer, or primary peritoneal cancer. Mirvetuximab soravtansine is a folate receptor alpha directed antibody and microtubule inhibitor conjugate.
The most common adverse react... | Mirvetuximab soravtansine | Biology | 871 |
71,459,264 | https://en.wikipedia.org/wiki/Black%20hole%20stability%20conjecture | The black hole stability conjecture is the conjecture that a perturbed Kerr black hole in Minkowski space will settle back down to a stable state. The question developed out of work in 1952 by the French mathematician Yvonne Choquet-Bruhat.
The stability of empty Minkowski space is a result of Klainerman and Christodo... | Black hole stability conjecture | Physics,Astronomy,Mathematics | 213 |
70,426,705 | https://en.wikipedia.org/wiki/Tyra%20Wolfsberg | Tyra Gwendolen Wolfsberg is an American bioinformatician. She is the associate director of the bioinformatics and scientific programming core at the National Human Genome Research Institute.
Life
Wolfsberg received a A.B. in molecular biology from Princeton University. She earned a Ph.D. in biochemistry and biophysic... | Tyra Wolfsberg | Chemistry,Biology | 352 |
2,407,650 | https://en.wikipedia.org/wiki/Kaczmarz%20method | The Kaczmarz method or Kaczmarz's algorithm is an iterative algorithm for solving linear equation systems . It was first discovered by the Polish mathematician Stefan Kaczmarz, and was rediscovered in the field of image reconstruction from projections by Richard Gordon, Robert Bender, and Gabor Herman in 1970, where it... | Kaczmarz method | Technology,Engineering | 2,930 |
2,789,245 | https://en.wikipedia.org/wiki/Surface%20web | The Surface Web (also called the Visible Web, Indexed Web, Indexable Web or Lightnet) is the portion of the World Wide Web that is readily available to the general public and searchable with standard web search engines. It is the opposite of the deep web, the part of the web not indexed by a web search engine. The Surf... | Surface web | Technology | 144 |
65,362,635 | https://en.wikipedia.org/wiki/Kathrin%20Jansen | Kathrin U. Jansen (born 1958) is the former Head of Vaccine Research and Development at Pfizer. She previously led the development of the HPV vaccine (Gardasil) and newer versions of the pneumococcal conjugate vaccine (Prevnar), and is working with BioNTech to create a COVID-19 vaccine using mRNA (Pfizer–BioNTech COVID... | Kathrin Jansen | Biology | 997 |
32,313,371 | https://en.wikipedia.org/wiki/Oldstone%20Conference | The Oldstone Conference of 11 to 14 April 1949 was the third of three postwar conferences held to discuss quantum physics; arranged for the National Academy of Sciences by J. Robert Oppenheimer, who was again chairman. It followed the Shelter Island Conference of 1947 and the Pocono Conference of 1948. There were 24 pa... | Oldstone Conference | Physics | 202 |
23,524,651 | https://en.wikipedia.org/wiki/C9H6O2 | {{DISPLAYTITLE:C9H6O2}}
The molecular formula C9H6O2 (molar mass: 146.14 g/mol, exact mass: 146.036779 u) may refer to:
Chromone
Coumarin
1,3-Indandione
Isocoumarin
Phenylpropiolic acid
Molecular formulas | C9H6O2 | Physics,Chemistry | 81 |
2,230,954 | https://en.wikipedia.org/wiki/Shark%20repellent | A shark repellent is any method of driving sharks away from an area. Shark repellents are a category of animal repellents. Shark repellent technologies include magnetic shark repellent, electropositive shark repellents, electrical repellents, and semiochemicals. Shark repellents can be used to protect people from shark... | Shark repellent | Biology,Environmental_science | 1,389 |
16,552,524 | https://en.wikipedia.org/wiki/EDSAC%202 | EDSAC 2 was an early vacuum tube computer (operational in 1958), the successor to the Electronic Delay Storage Automatic Calculator (EDSAC). It was the first computer to have a microprogrammed control unit and a bit-slice hardware architecture.
First calculations were performed on the incomplete machine in 1957. Calcu... | EDSAC 2 | Technology | 228 |
6,489,336 | https://en.wikipedia.org/wiki/Louis%20Berger%20Group | Louis Berger (formerly known as Berger Group Holdings) is a full-service engineering, architecture, planning, environmental, program and construction management and economic development firm based in Morristown, New Jersey. Founded in 1953 in Harrisburg, Pennsylvania by Dr. Louis Berger, the firm employed nearly 6,000 ... | Louis Berger Group | Engineering | 1,420 |
2,148,212 | https://en.wikipedia.org/wiki/Sanctum%20sanctorum | The Latin phrase sanctum sanctorum is a translation of the Hebrew term קֹדֶשׁ הַקֳּדָשִׁים (Qṓḏeš HaQŏḏāšîm), literally meaning Holy of Holies, which generally refers in Latin texts to the holiest place of the Ancient Israelites, inside the Tabernacle and later inside the Temple in Jerusalem, but the term also has some... | Sanctum sanctorum | Engineering | 756 |
57,441,697 | https://en.wikipedia.org/wiki/Mechanically%20gradient%20polymers | Polymer gradient materials (PGM) are a class of polymers with gradually changing mechanical properties along a defined direction creating an anisotropic material. These materials can be defined based upon the direction and the steepness of the gradient used and can display gradient or graded transitions. A wide range o... | Mechanically gradient polymers | Chemistry,Materials_science | 879 |
25,161,898 | https://en.wikipedia.org/wiki/Sony%20TV8-301 | The TV8-301 was a small black-and-white television made by Sony. It is notable for being the world's first non-projection type all-transistor television. It had an eight-inch screen. It was also portable, having a bay in the back for two 6-volt lead–acid batteries. It was priced high, as it was innovative in many ways,... | Sony TV8-301 | Technology | 190 |
1,857,696 | https://en.wikipedia.org/wiki/JDOM | JDOM is an open-source Java-based document object model for XML that was designed specifically for the Java platform so that it can take advantage of its language features. JDOM integrates with Document Object Model (DOM) and Simple API for XML (SAX), supports XPath and XSLT. It uses external parsers to build documen... | JDOM | Technology | 625 |
47,596,170 | https://en.wikipedia.org/wiki/Trelagliptin | Trelagliptin (trade name Zafatek) is a pharmaceutical drug used for the treatment of type 2 diabetes (diabetes mellitus).
Indications
It is a highly selective dipeptidyl peptidase-4 inhibitor that is typically used as an add on treatment when the first line treatment of metformin is not achieving the expected glycem... | Trelagliptin | Chemistry | 614 |
11,955,434 | https://en.wikipedia.org/wiki/International%20Maritime%20Hall%20of%20Fame | The International Maritime Hall of Fame is a museum honouring people who have made a large contribution in the maritime field. The hall of fame inducted its first set of honorees in or about 1994. The hall is sponsored by the Maritime Association of the Port of New York and New Jersey.
Inductees
For 1994-2008 inductee... | International Maritime Hall of Fame | Technology | 796 |
33,151,276 | https://en.wikipedia.org/wiki/4-Vinylphenol | 4-Vinylphenol is an organic compound with the formula C2H3C6H4OH. It is the most studied of the three isomeric vinylphenols. It is a white volatile solid.
Production
Upon contact with iron oxide at 500 °C, 4-ethylphenol undergoes dehydrogenation to give 4-vinyllphenol:
C2H5C6H4OH → C2H3C6H4OH + H2
Natural occur... | 4-Vinylphenol | Chemistry | 383 |
28,357,829 | https://en.wikipedia.org/wiki/Time%20evolution%20of%20integrals | Within differential calculus, in many applications, one needs to calculate the rate of change of a volume or surface integral whose domain of integration, as well as the integrand, are functions of a particular parameter. In physical applications, that parameter is frequently time t.
Introduction
The rate of change of... | Time evolution of integrals | Mathematics | 508 |
73,825,961 | https://en.wikipedia.org/wiki/Network%20Coordinate%20System | A Network Coordinate System (NC system) is a system for predicting characteristics such as the latency or bandwidth of connections between nodes in a network by assigning coordinates to nodes. More formally, It assigns a coordinate embedding to each node in a network using an optimization algorithm such that a predef... | Network Coordinate System | Technology,Engineering | 1,396 |
11,421,483 | https://en.wikipedia.org/wiki/RyeE%20RNA | The CyaR RNA (formerly known as RyeE RNA) non-coding RNA was identified in a large scale screen of Escherichia coli and was called candidate 14. The exact 5′ and 3′ ends of this RNA are uncertain. This gene lies between yegQ and orgK in E. coli. This small RNA was shown to be bound by the Hfq protein. This RNA has been... | RyeE RNA | Chemistry | 185 |
3,065,512 | https://en.wikipedia.org/wiki/Hyaline | A hyaline substance is one with a glassy appearance. The word is derived from , and .
Histopathology
Hyaline cartilage is named after its glassy appearance on fresh gross pathology. On light microscopy of H&E stained slides, the extracellular matrix of hyaline cartilage looks homogeneously pink, and the term "hyaline"... | Hyaline | Chemistry | 306 |
1,231,204 | https://en.wikipedia.org/wiki/Constructive%20quantum%20field%20theory | In mathematical physics, constructive quantum field theory is the field devoted to showing that quantum field theory can be defined in terms of precise mathematical structures. This demonstration requires new mathematics, in a sense analogous to classical real analysis, putting calculus on a mathematically rigorous fo... | Constructive quantum field theory | Mathematics | 505 |
41,242,602 | https://en.wikipedia.org/wiki/Opon%20If%C3%A1 | An ọpọ́n Ifá is a divination tray used in traditional African and Afro-American religions, notably in the system known as Ifá and in Yoruba tradition more broadly. The etymology of opon, literally meaning "to flatter", explains the artistic and embellished nature of the trays, as they are meant to praise and acknowledg... | Opon Ifá | Physics | 2,997 |
6,137,903 | https://en.wikipedia.org/wiki/Saharan%20air%20layer | The Saharan air layer (SAL) is an extremely hot, dry, and sometimes dust-laden layer of the atmosphere that often overlies the cooler, more humid surface air of the Atlantic Ocean. It carries upwards of 60 million tons of dust annually over the ocean and the Americas. This annual phenomenon sometimes cools the ocean an... | Saharan air layer | Physics | 798 |
20,135,897 | https://en.wikipedia.org/wiki/Use%20of%20costume%20in%20Athenian%20tragedy | Some authors have argued that costume use in Athenian tragedy was standardized for the genre. This is said to have consisted of a full-length or short tunic, a cloak and soft leather boots, and may have been derived from the robes of Dionysian priests or invented by Aeschylus. Brockett, however, disputes this, arguing ... | Use of costume in Athenian tragedy | Engineering | 1,464 |
37,580,917 | https://en.wikipedia.org/wiki/Moving%20load | In structural dynamics, a moving load changes the point at which the load is applied over time. Examples include a vehicle that travels across a bridge and a train moving along a track.
Properties
In computational models, load is usually applied as
a simple massless force,
an oscillator, or
an inertial force (mas... | Moving load | Physics,Engineering | 697 |
232,428 | https://en.wikipedia.org/wiki/Cruelty | Cruelty is the intentional infliction of suffering or the inaction towards another's suffering when a clear remedy is readily available. Sadism can also be related to this form of action or concept. Cruel ways of inflicting suffering may involve violence, but affirmative violence is not necessary for an act to be cruel... | Cruelty | Biology | 1,258 |
1,775,884 | https://en.wikipedia.org/wiki/Betaine | A betaine () in chemistry is any neutral chemical compound with a positively charged cationic functional group that bears no hydrogen atom, such as a quaternary ammonium or phosphonium cation (generally: onium ions), and with a negatively charged functional group, such as a carboxylate group that may not be adjacent to... | Betaine | Physics,Chemistry | 559 |
23,899,486 | https://en.wikipedia.org/wiki/KeepVault | KeepVault is an online backup service to perform online and local backups of Windows-based personal computers and servers. KeepVault uses a storage-based pricing model which allows it to offer unlimited users and devices under one account. The KeepVault technology uses end-to-end encryption and files can be accessed fr... | KeepVault | Engineering | 339 |
7,973,767 | https://en.wikipedia.org/wiki/Vandetanib | Vandetanib, sold under the brand name Caprelsa, is an anti-cancer medication that is used for the treatment of certain tumours of the thyroid gland. It acts as a kinase inhibitor of a number of cell receptors, mainly the vascular endothelial growth factor receptor, the epidermal growth factor receptor, and the RET-tyro... | Vandetanib | Chemistry,Biology | 1,176 |
78,396,381 | https://en.wikipedia.org/wiki/Gennaro%20Maria%20D%27Afflitto | Gennaro Maria D'Afflitto (1618 – 1673) was an Italian Dominican friar and military engineer who worked under Philip IV and Charles II of Spain.
Biography
Gennaro Maria D'Afflitto was born into a noble family in Naples in 1618. On 16 September 1633, he entered the Dominican convent of Santa Maria della Sanità, Naple... | Gennaro Maria D'Afflitto | Engineering | 578 |
546,039 | https://en.wikipedia.org/wiki/Syntax%20%28logic%29 | In logic, syntax is anything having to do with formal languages or formal systems without regard to any interpretation or meaning given to them. Syntax is concerned with the rules used for constructing, or transforming the symbols and words of a language, as contrasted with the semantics of a language which is concerne... | Syntax (logic) | Mathematics | 1,021 |
42,735,438 | https://en.wikipedia.org/wiki/The%20Astounding%2C%20the%20Amazing%2C%20and%20the%20Unknown | The Astounding, the Amazing, and the Unknown is an alternate historical adventure novel written by Paul Malmont, the sequel to The Chinatown Death Cloud Peril (2007). It features real-life pulp magazine authors of the past as the heroes of adventures reminiscent of their favored genres. The book was first published in ... | The Astounding, the Amazing, and the Unknown | Physics | 1,512 |
71,625,153 | https://en.wikipedia.org/wiki/Oath%3A%20Chronicles%20of%20Empire%20and%20Exile | Oath: Chronicles of Empire and Exile is a 2021 board game with asymmetric gameplay and legacy elements designed by Cole Wehrle, illustrated by Kyle Ferrin, and published by Leder Games. In Oath, players compete to become the Chancellor, and the events of each game influence the events of the games that follow. Upon its... | Oath: Chronicles of Empire and Exile | Physics | 941 |
26,618,143 | https://en.wikipedia.org/wiki/HD%20180902%20b | HD 180902 b is an extrasolar planet orbiting the K-type star HD 180902 approximately 342 light years away in the constellation Sagittarius.
Discovery
HD 180902 b, along with other planets, was discovered in 2010 by scientists at the Keck Observatory. These planets were discovered via doppler spectroscopy, which is d... | HD 180902 b | Astronomy | 254 |
26,501,091 | https://en.wikipedia.org/wiki/Arden%27s%20rule | In theoretical computer science, Arden's rule, also known as Arden's lemma, is a mathematical statement about a certain form of language equations.
Background
A (formal) language is simply a set of strings. Such sets can be specified by means of some language equation, which in turn is based on operations on languages... | Arden's rule | Mathematics | 412 |
1,500,520 | https://en.wikipedia.org/wiki/Cross%20sea | A cross sea (also referred to as a squared sea or square waves) is a sea state of wind-generated ocean waves that form nonparallel wave systems. Cross seas have a large amount of directional spreading. This may occur when water waves from one weather system continue despite a shift in wind. Waves generated by the new w... | Cross sea | Physics,Chemistry | 217 |
1,606,195 | https://en.wikipedia.org/wiki/Smith%E2%80%93Waterman%20algorithm | The Smith–Waterman algorithm performs local sequence alignment; that is, for determining similar regions between two strings of nucleic acid sequences or protein sequences. Instead of looking at the entire sequence, the Smith–Waterman algorithm compares segments of all possible lengths and optimizes the similarity meas... | Smith–Waterman algorithm | Biology | 4,190 |
1,416,042 | https://en.wikipedia.org/wiki/Fitting%20subgroup | In mathematics, especially in the area of algebra known as group theory, the Fitting subgroup F of a finite group G, named after Hans Fitting, is the unique largest normal nilpotent subgroup of G. Intuitively, it represents the smallest subgroup which "controls" the structure of G when G is solvable. When G is not sol... | Fitting subgroup | Mathematics | 1,436 |
49,841,592 | https://en.wikipedia.org/wiki/Radiation%20detection | The following Radiological protection instruments can be used to detect and measure ionizing radiation:
Ionization chambers
Gaseous ionization detectors
Geiger counters
Photodetectors
Scintillation counters
Semiconductor detectors
Radioactivity
Radiation protection | Radiation detection | Physics,Chemistry | 45 |
616,775 | https://en.wikipedia.org/wiki/Loop%20I%20Bubble | The Loop I Bubble is a cavity in the interstellar medium (ISM) of the Orion Arm of the Milky Way. From our Sun's point of view, it is situated towards the Galactic Center of the Milky Way galaxy. Two conspicuous tunnels connect the Local Bubble with the Loop I Bubble cavity (the Lupus Tunnel). The Loop I Bubble is a su... | Loop I Bubble | Astronomy | 196 |
1,792,688 | https://en.wikipedia.org/wiki/Combo%20television%20unit | A combo television unit, or a TV/VCR combo, sometimes known as a televideo, is a television with a VCR, DVD player, or sometimes both, built into a single unit.
Types
TV/VCR combos
During the era of their popularity, many of these units displayed product videos in stores or for other commercial displays. The main re... | Combo television unit | Technology,Engineering | 432 |
15,686,634 | https://en.wikipedia.org/wiki/World%27s%20largest%20weather%20vane | According to the Guinness World Records, the world's largest weather vane is located in Jerez, Spain.
According to the explore north website a challenger for the title of world's largest weather vane is located in Whitehorse, Yukon. The weather vane is a retired Douglas DC-3 atop a swiveling support. Located beside t... | World's largest weather vane | Technology,Engineering | 281 |
71,232,931 | https://en.wikipedia.org/wiki/Steven%20M.%20Cron | Steven M. Cron is a retired Michelin product research engineer and co-inventor of the Tweel.
Cron began his engineering education with a BS Mechanical Engineering degree from the University of Missouri-Columbia in 1984. In 1985, he completed an MS degree in aeronautical engineering from the U. S. Air Force Institute... | Steven M. Cron | Chemistry,Materials_science | 419 |
2,439,851 | https://en.wikipedia.org/wiki/Erythranthe%20guttata | Erythranthe guttata, with the common names seep monkeyflower and common yellow monkeyflower, is a yellow bee-pollinated annual or perennial plant. It was formerly known as Mimulus guttatus.
Erythranthe guttata is a model organism for biological studies, and in that context is still referred to as Mimulus guttatus. The... | Erythranthe guttata | Biology | 879 |
26,407,042 | https://en.wikipedia.org/wiki/G.%20D.%20Agrawal | Guru das Agrawal, also known as Sant Swami Sanand and Sant Swami Gyan Swaroop Sanand (20 July, 1932 – 11 October, 2018), was an Indian environmentalist, engineer, religious leader, monk, and professor. He was the Patron of Ganga Mahasabha, founded by Madan Mohan Malviya in 1905.
He is notable for several fasts under... | G. D. Agrawal | Chemistry,Engineering | 1,873 |
1,181,942 | https://en.wikipedia.org/wiki/Arguments%20for%20and%20against%20drug%20prohibition | Commonly-cited arguments for and against the prohibition of drugs include the following:
Efficiency
Arguments that drug laws are effective
Supporters of prohibition claim that drug laws have a successful track record suppressing illicit drug use since they were introduced in the 1910s. The licit drug alcohol has curr... | Arguments for and against drug prohibition | Chemistry | 15,169 |
33,770,704 | https://en.wikipedia.org/wiki/Data%20processing%20unit | A data processing unit (DPU) is a programmable computer processor that tightly integrates a general-purpose CPU with network interface hardware. Sometimes they are called "IPUs" (for "infrastructure processing unit") or "SmartNICs". They can be used in place of traditional NICs to relieve the main CPU of complex networ... | Data processing unit | Technology,Engineering | 514 |
62,410,103 | https://en.wikipedia.org/wiki/Carbonate%20chloride | The carbonate chlorides are double salts containing both carbonate and chloride anions. Quite a few minerals are known. Several artificial compounds have been made. Some complexes have both carbonate and chloride ligands. They are part of the family of . In turn these are a part of mixed anion materials.
The carbonat... | Carbonate chloride | Physics,Chemistry | 571 |
2,951,953 | https://en.wikipedia.org/wiki/Argo%20%28ROV%29 | Argo is an unmanned deep-towed undersea video camera sled developed by Dr. Robert Ballard through Woods Hole Oceanographic Institute's Deep Submergence Laboratory. Argo is most famous for its role in the discovery of the wreck of the RMS Titanic in 1985. Argo would also play the key role in Ballard's discovery of the ... | Argo (ROV) | Technology,Engineering | 216 |
32,257,915 | https://en.wikipedia.org/wiki/ULAS%20J1120%2B0641 | ULAS J1120+0641 was the most distant known quasar when discovered in 2011, surpassed in 2017 by ULAS J1342+0928. ULAS J1120+0641 (at projected comoving distance of 28.85 billion light-years) was the first quasar discovered beyond a redshift of z = 7. Its discovery was reported in June 2011.
Discovery
ULAS J1120+0641 w... | ULAS J1120+0641 | Astronomy | 1,094 |
12,887,799 | https://en.wikipedia.org/wiki/Biological%20pacemaker | A biological pacemaker is one or more types of cellular components that, when "implanted or injected into certain regions of the heart," produce specific electrical stimuli that mimic that of the body's natural pacemaker cells. Biological pacemakers are indicated for issues such as heart block, slow heart rate, and asy... | Biological pacemaker | Technology,Engineering | 687 |
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