id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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1,194,130 | https://en.wikipedia.org/wiki/Picrotoxin | Picrotoxin, also known as cocculin, is a poisonous crystalline plant compound. It was first isolated by the French pharmacist and chemist Pierre François Guillaume Boullay (1777–1869) in 1812. The name "picrotoxin" is a combination of the Greek words "picros" (bitter) and "toxicon" (poison). A mixture of two different ... | Picrotoxin | Chemistry | 1,471 |
57,024,626 | https://en.wikipedia.org/wiki/Belgrade%20Design%20Week | Belgrade Design Week is a one-week design festival held once a year in Belgrade, Serbia. First held in 2005, the festival is organized every spring and is the largest design initiative in South-Eastern Europe. The festival covers architecture, design, fashion, publishing, and new media, as well as related fields like c... | Belgrade Design Week | Engineering | 781 |
47,602,799 | https://en.wikipedia.org/wiki/1-Hydroxypyrene | 1-Hydroxypyrene is a human metabolite. It can be found in urine of outdoor workers exposed to air pollution.
Biochemistry
Experiments in pig show that urinary 1-hydroxypyrene is a metabolite of pyrene, when given orally.
A Mycobacterium sp. strain isolated from mangrove sediments produced 1-hydroxypyrene during the ... | 1-Hydroxypyrene | Chemistry | 168 |
7,820,748 | https://en.wikipedia.org/wiki/Jugaad | or (in Hindustani: जुगाड़ / جگاڑ) is a non-conventional, frugal innovation, in Indian subcontinent. It also includes innovative fixes or a simple workarounds, solutions that bend the rules, or resources that can be used in such a way. It is considered creative to make existing things work and create new things with me... | Jugaad | Engineering | 919 |
701,207 | https://en.wikipedia.org/wiki/Radix | In a positional numeral system, the radix (:radices) or base is the number of unique digits, including the digit zero, used to represent numbers. For example, for the decimal system (the most common system in use today) the radix is ten, because it uses the ten digits from 0 through 9.
In any standard positional numer... | Radix | Mathematics | 644 |
4,611,642 | https://en.wikipedia.org/wiki/Nonene | Nonene is an alkene with the molecular formula C9H18. Many structural isomers are possible, depending on the location of the C=C double bond and the branching of the other parts of the molecule. Industrially, the most important nonenes are trimers of propene: Tripropylene. This mixture of branched nonenes is used in th... | Nonene | Chemistry | 115 |
37,302,456 | https://en.wikipedia.org/wiki/Remote%20Skylights | Remote Skylights are optical systems capable of providing natural light to unlit locations. An arrangement of parabolic reflectors and optical fiber cables, transport natural sunlight to areas that would otherwise be dark or be lit artificially.
Remote skylights are composed chiefly of a solar collection dish, a "hel... | Remote Skylights | Engineering | 271 |
24,962,428 | https://en.wikipedia.org/wiki/Rhamnogalacturonan-II | Rhamnogalacturonan-II (RG-II) is a complex polysaccharide component of pectin that is found in the primary cell walls of dicotyledonous and monocotyledonous plants and gymnosperms. It is supposed to be crucial for the plant cell wall integrity. RG-II is also likely to be present in the walls of some lower plants (ferns... | Rhamnogalacturonan-II | Chemistry | 364 |
12,237,604 | https://en.wikipedia.org/wiki/Ufer%20ground | The Ufer ground is an electrical earth grounding method developed during World War II. It uses a concrete-encased electrode to improve grounding in dry areas. The technique is used in construction of concrete foundations.
History
During World War II, the U.S. Army required a grounding system for bomb storage vaults... | Ufer ground | Physics,Engineering | 775 |
36,969,542 | https://en.wikipedia.org/wiki/36%20G.%20Doradus | 36 G. Doradus (HD 40409) is a suspected astrometric binary star system in the southern constellation of Dorado. It is a faint system but visible to the naked eye with an apparent visual magnitude of 4.65. Based upon an annual parallax shift of , it is located 89 light years away from the Sun. It is moving further away ... | 36 G. Doradus | Astronomy | 272 |
1,895,162 | https://en.wikipedia.org/wiki/SARA%20%28computer%29 | SARA (SAABs räkneautomat, SAAB's calculating machine) was developed by SAAB when the capacity of BESK was insufficient for their needs. The project was started the fall of 1955 and became operational in 1956. SARA was built using the drawings of BESK that SAAB had bought for a symbolic sum and with the help of people w... | SARA (computer) | Technology | 140 |
21,042,117 | https://en.wikipedia.org/wiki/Brooks%27%20theorem | In graph theory, Brooks' theorem states a relationship between the maximum degree of a graph and its chromatic number. According to the theorem, in a connected graph in which every vertex has at most Δ neighbors, the vertices can be colored with only Δ colors, except for two cases, complete graphs and cycle graphs of o... | Brooks' theorem | Mathematics | 810 |
7,155,145 | https://en.wikipedia.org/wiki/Dagger%20compact%20category | In category theory, a branch of mathematics, dagger compact categories (or dagger compact closed categories) first appeared in 1989 in the work of Sergio Doplicher and John E. Roberts on the reconstruction of compact topological groups from their category of finite-dimensional continuous unitary representations (that ... | Dagger compact category | Mathematics | 1,639 |
46,521,179 | https://en.wikipedia.org/wiki/Spoofing%20%28finance%29 | Spoofing is a disruptive algorithmic trading activity employed by traders to outpace other market participants and to manipulate markets. Spoofers feign interest in trading futures, stocks, and other products in financial markets creating an illusion of the demand and supply of the traded asset. In an order driven mark... | Spoofing (finance) | Mathematics | 2,202 |
45,383,325 | https://en.wikipedia.org/wiki/Tabersonine | Tabersonine is a terpene indole alkaloid found in the medicinal plant Catharanthus roseus and also in the genus Voacanga (both taxa belonging to the alkaloid-rich family Apocynaceae). Tabersonine is hydroxylated at the 16 position by the enzyme tabersonine 16-hydroxylase (T16H) to form 16-hydroxytabersonine. The enzy... | Tabersonine | Chemistry | 154 |
37,565,754 | https://en.wikipedia.org/wiki/Stream%20metabolism | Stream metabolism, often referred to as aquatic ecosystem metabolism in both freshwater (lakes, rivers, wetlands, streams, reservoirs) and marine ecosystems, includes gross primary productivity (GPP) and ecosystem respiration (ER) and can be expressed as net ecosystem production (NEP = GPP - ER). Analogous to metaboli... | Stream metabolism | Chemistry,Biology | 980 |
26,469,223 | https://en.wikipedia.org/wiki/Ocean%20Traveler | Ocean Traveler was a drilling platform built in the United States and used in the Gulf of Mexico. In 1966, it was transferred to Esso for the first exploration wells on the Norwegian continental shelf in the North Sea, following the Dutch discovery of Groningen gas field in 1959. On 16 July 1966, the platform did a lim... | Ocean Traveler | Chemistry,Engineering | 177 |
38,347,573 | https://en.wikipedia.org/wiki/19%20Puppis | 19 Puppis is a binary star system in the southern constellation of Puppis, near the northern border with Hydra and Monoceros. It is visible to the naked eye as a faint, yellow-hued star with an apparent visual magnitude of 4.72. The system is located approximately 177 light years away from the system based on parallax.... | 19 Puppis | Astronomy | 338 |
48,222,573 | https://en.wikipedia.org/wiki/Chloride%20channel%20blocker | A chloride channel blocker is a type of drug which inhibits the transmission of ions (Cl−) through chloride channels.
Niflumic acid is a chloride channel blocker that has been used in experimental scientific research. Another example is anthracene-9-carboxylic acid, a potent blocker of the CLCN1-type chloride channel ... | Chloride channel blocker | Chemistry | 134 |
9,111,697 | https://en.wikipedia.org/wiki/Missing%20Link%20%28puzzle%29 | Missing Link is a mechanical puzzle invented in 1981 by Steven P. Hanson and Jeffrey D. Breslow.
The puzzle has four sides, each depicting a chain of a different color. Each side contains four tiles, except one which contains three tiles and a gap. The top and bottom rows can be rotated, and tiles can slide up or down... | Missing Link (puzzle) | Mathematics | 313 |
64,287,800 | https://en.wikipedia.org/wiki/Scandium%20perchlorate | Scandium perchlorate is an inorganic compound with the chemical formula Sc(ClO4)3.
Production
Scandium perchlorate can be prepared by dissolving scandium oxide in perchloric acid:
References
Scandium compounds
Perchlorates | Scandium perchlorate | Chemistry | 52 |
3,573,834 | https://en.wikipedia.org/wiki/Branching%20quantifier | In logic a branching quantifier, also called a Henkin quantifier, finite partially ordered quantifier or even nonlinear quantifier, is a partial ordering
of quantifiers for Q ∈ {∀,∃}. It is a special case of generalized quantifier. In classical logic, quantifier prefixes are linearly ordered such that the value of a ... | Branching quantifier | Mathematics | 873 |
25,120,737 | https://en.wikipedia.org/wiki/AXIe | AdvancedTCA Extensions for Instrumentation and Test (AXIe) is a modular instrumentation standard created by
Aeroflex, Keysight Technologies, and Test Evolution Corporation.
(In October 2008, Aeroflex had purchased a 40% shareholding in Test Evolution.)
AXIe was targeted for general-purpose instrumentation and semicon... | AXIe | Technology,Engineering | 283 |
6,869,559 | https://en.wikipedia.org/wiki/Cray%20X1 | The Cray X1 is a non-uniform memory access, vector processor supercomputer manufactured and sold by Cray Inc. since 2003. The X1 is often described as the unification of the Cray T90, Cray SV1, and Cray T3E architectures into a single machine. The X1 shares the multistreaming processors, vector caches, and CMOS design ... | Cray X1 | Technology | 505 |
2,834,500 | https://en.wikipedia.org/wiki/Pentyl%20group | Pentyl is a five-carbon alkyl group or substituent with chemical formula -C5H11. It is the substituent form of the alkane pentane.
In older literature, the common non-systematic name amyl was often used for the pentyl group. Conversely, the name pentyl was used for several five-carbon branched alkyl groups, distingui... | Pentyl group | Chemistry | 352 |
35,704,471 | https://en.wikipedia.org/wiki/List%20of%20red%20seaweeds%20of%20the%20Cape%20Peninsula%20and%20False%20Bay | This is a list of red seaweeds recorded from the oceans bordering The Cape Peninsula in South Africa from Melkbosstrand on the West Coast to Cape Hangklip on the South Coast.
This list comprises locally used common names, scientific names with author citation and recorded ranges. Ranges specified may not be the entire ... | List of red seaweeds of the Cape Peninsula and False Bay | Biology | 15,347 |
22,058,786 | https://en.wikipedia.org/wiki/Drug-induced%20aseptic%20meningitis | Drug-Induced Aseptic Meningitis (DIAM) is a type of aseptic meningitis related to the use of medications such as nonsteroidal anti-inflammatory drugs (NSAIDs) or biologic drugs such as intravenous immunoglobulin (IVIG). Additionally, this condition generally shows clinical improvement after cessation of the medication,... | Drug-induced aseptic meningitis | Chemistry | 1,032 |
62,017,767 | https://en.wikipedia.org/wiki/Superplan | Superplan was a high-level programming language developed between 1949 and 1951 by Heinz Rutishauser, the name being a reference to "" (i.e. computation plan), in Konrad Zuse's terminology designating a single program.
The language was described in Rutishauser's 1951 publication (i.e. Automatically created Computati... | Superplan | Technology | 162 |
537,026 | https://en.wikipedia.org/wiki/List%20of%20mathematical%20topics%20in%20quantum%20theory | This is a list of mathematical topics in quantum theory, by Wikipedia page. See also list of functional analysis topics, list of Lie group topics, list of quantum-mechanical systems with analytical solutions.
Mathematical formulation of quantum mechanics
bra–ket notation
canonical commutation relation
complete set... | List of mathematical topics in quantum theory | Physics | 578 |
6,443,993 | https://en.wikipedia.org/wiki/Thorpe%E2%80%93Ingold%20effect | The Thorpe–Ingold effect, gem-dimethyl effect, or angle compression is an effect observed in chemistry where increasing steric hindrance favours ring closure and intramolecular reactions. The effect was first reported by Beesley, Thorpe, and Ingold in 1915 as part of a study of cyclization reactions. It has since been... | Thorpe–Ingold effect | Physics,Chemistry | 480 |
8,371,384 | https://en.wikipedia.org/wiki/3-j%20symbol | In quantum mechanics, the Wigner's 3-j symbols, also called 3-jm symbols, are an alternative to Clebsch–Gordan coefficients for the purpose of adding angular momenta. While the two approaches address exactly the same physical problem, the 3-j symbols do so more symmetrically.
Mathematical relation to Clebsch–Gordan co... | 3-j symbol | Physics | 2,159 |
22,190,240 | https://en.wikipedia.org/wiki/Conocybe%20rickenii | Conocybe rickenii is a mushroom from the genus Conocybe. Its edibility is disputed, and it has the appearance of a typical little brown mushroom with a small, conical cap, and long, thin stem. In colour, it is generally a cream-brown, lighter on the stem, and it has a thin layer of flesh with no distinct smell or taste... | Conocybe rickenii | Biology | 509 |
13,941,848 | https://en.wikipedia.org/wiki/Comparison%20of%20programming%20languages%20%28associative%20array%29 | This comparison of programming languages (associative arrays) compares the features of associative array data structures or array-lookup processing for over 40 computer programming languages.
Language support
The following is a comparison of associative arrays (also "mapping", "hash", and "dictionary") in various pro... | Comparison of programming languages (associative array) | Technology | 20,000 |
5,676,819 | https://en.wikipedia.org/wiki/Lotus%20Dev.%20Corp.%20v.%20Borland%20Int%27l%2C%20Inc. | Lotus Dev. Corp. v. Borland Int'l, Inc., 516 U.S. 233 (1996), is a United States Supreme Court case that tested the extent of software copyright. The lower court had held that copyright does not extend to the user interface of a computer program, such as the text and layout of menus. Due to the recusal of one justice, ... | Lotus Dev. Corp. v. Borland Int'l, Inc. | Mathematics | 1,550 |
1,536,701 | https://en.wikipedia.org/wiki/Evacuation%20simulation | Evacuation simulation is a method to determine evacuation times for areas, buildings, or vessels. It is based on the simulation of crowd dynamics and pedestrian motion. The number of evacuation software have been increased dramatically in the last 25 years. A similar trend has been observed in term of the number of sc... | Evacuation simulation | Physics | 1,221 |
40,975,991 | https://en.wikipedia.org/wiki/Pupil%20function | The pupil function or aperture function describes how a light wave is affected upon transmission through an optical imaging system such as a camera, microscope, or the human eye. More specifically, it is a complex function of the position in the pupil or aperture (often an iris) that indicates the relative change in am... | Pupil function | Physics,Chemistry | 630 |
1,069,856 | https://en.wikipedia.org/wiki/Pistia | Pistia is a genus of aquatic plants in the arum family, Araceae. It is the sole genus in the tribe Pistieae which reflects its systematic isolation within the family. The single species it comprises, Pistia stratiotes, is often called water cabbage, water lettuce, Nile cabbage, or shellflower. Its native distribution i... | Pistia | Biology | 2,641 |
77,538,830 | https://en.wikipedia.org/wiki/NanoTritium%20batteries | NanoTritium batteries are ultra-low-power, long-life betavoltaic devices developed by City Labs, Inc. These nanowatt-to-microwatt batteries utilize the natural decay of tritium, a radioactive isotope of hydrogen, to generate continuous power for over 20 years.
History
The first NanoTritium battery prototypes were de... | NanoTritium batteries | Physics | 531 |
46,206,971 | https://en.wikipedia.org/wiki/BAT99-98 | BAT99-98 is a Wolf–Rayet star located in the Large Magellanic Cloud, in NGC 2070 near the R136 cluster in the Tarantula Nebula (30 Doradus). At and it is the most massive known star, and close to one of the most luminous stars currently known.
Observations
A 1978 survey carried out by Jorge Melnick covered the 30 Do... | BAT99-98 | Astronomy | 671 |
31,319,138 | https://en.wikipedia.org/wiki/Severinghaus%20electrode | The Severinghaus electrode is an electrode that measures carbon dioxide (CO2). It was developed by Dr. John W. Severinghaus and his technician A. Freeman Bradley in 1958.
It utilizes a CO2-sensitive glass electrode in a surrounding film of bicarbonate solution covered by a thin plastic carbon dioxide permeable membran... | Severinghaus electrode | Chemistry | 156 |
1,745,546 | https://en.wikipedia.org/wiki/Monfrag%C3%BCe | Monfragüe (Spanish: Parque Nacional de Monfragüe, or simply Monfragüe ) is a Spanish national park noted for its bird-life. It is situated in the center of a triangle formed by Plasencia, Trujillo and the city of Cáceres within the province of Cáceres. Monfragüe is also a comarca (county, with no administrative role) o... | Monfragüe | Astronomy | 1,778 |
125,293 | https://en.wikipedia.org/wiki/Copper | Copper is a chemical element. It has the symbol Cu (), and the atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkish-orange color. Copper is used as a conductor of heat and electricity, as a building materi... | Copper | Physics,Chemistry | 9,787 |
17,066 | https://en.wikipedia.org/wiki/Kirlian%20photography | Kirlian photography is a collection of photographic techniques used to capture the phenomenon of electrical coronal discharges. It is named after Soviet scientist Semyon Kirlian, who, in 1939, accidentally discovered that if an object on a photographic plate is connected to a high-voltage source, an image is produced o... | Kirlian photography | Physics | 2,595 |
60,786,023 | https://en.wikipedia.org/wiki/Chrysanthemum%20stone | Chrysanthemum stone, sometimes called "flower stone," is a stone "flower" produced millions of years ago due to geological movement and natural formation in the rock. The stone's pattern resembles the chrysanthemum flower. The flower is milky white and grain is clear.
Chrysanthemum stone is generally dark-gray or blac... | Chrysanthemum stone | Physics | 2,025 |
2,690,240 | https://en.wikipedia.org/wiki/David%20G.%20Cory | David G. Cory is a Professor of Chemistry at the University of Waterloo where he holds the Canada Excellence Research Chair in Quantum Information Processing. He works at the Institute for Quantum Computing, and is also associated with the Waterloo Institute for Nanotechnology.
Education and career
Cory was educated ... | David G. Cory | Physics,Chemistry | 356 |
55,538,688 | https://en.wikipedia.org/wiki/MRI%20pulse%20sequence | An MRI pulse sequence in magnetic resonance imaging (MRI) is a particular setting of pulse sequences and pulsed field gradients, resulting in a particular image appearance.
A multiparametric MRI is a combination of two or more sequences, and/or including other specialized MRI configurations such as spectroscopy.
Spin... | MRI pulse sequence | Physics,Chemistry | 3,160 |
12,049,745 | https://en.wikipedia.org/wiki/Mater%20Dei%20Hospital | Mater Dei Hospital (MDH; ), also known simply as Mater Dei, is an acute general and teaching hospital in Msida, Malta. It was opened in 2007, replacing St. Luke's Hospital. It is a public hospital affiliated to the University of Malta, offering general and specialist services.
History
The hospital opened on 29 June 20... | Mater Dei Hospital | Engineering | 637 |
30,001 | https://en.wikipedia.org/wiki/Theory%20of%20relativity | The theory of relativity usually encompasses two interrelated physics theories by Albert Einstein: special relativity and general relativity, proposed and published in 1905 and 1915, respectively. Special relativity applies to all physical phenomena in the absence of gravity. General relativity explains the law of grav... | Theory of relativity | Physics | 2,515 |
16,957,984 | https://en.wikipedia.org/wiki/Navini%20Networks | Navini Networks was a company that developed an Internet access system based on WiMAX wireless communication standards. This access system was subsequently acquired by Cisco Systems in October, 2007.
Company
In January 2000, Wu-Fu Chen and Guanghan Xu formed Navini Networks and developed a wireless Internet access sys... | Navini Networks | Technology,Engineering | 1,282 |
77,421,630 | https://en.wikipedia.org/wiki/International%20Drug%20Users%20Remembrance%20Day | International Drug Users Remembrance Day is a health awareness day observed on 21 July each year. It is a day where friends and family can meet together to memorialise and remember loved ones whose lives were cut short due to drug use and the criminalisation and stigmatisation of people who use drugs.
It is also a da... | International Drug Users Remembrance Day | Chemistry | 217 |
63,467,615 | https://en.wikipedia.org/wiki/Iron%28tetraphenylporphyrinato%29%20chloride | Iron(tetraporphyrinato) chloride is the coordination complex with the formula Fe(TPP)Cl where TPP is the dianion [C44H28N4]2-. The compound forms blue microcrystals that dissolve in chlorinated solvent to give brown solutions. In terms of structure, the complex is five-coordinate with idealized C4v point group symmet... | Iron(tetraphenylporphyrinato) chloride | Chemistry | 304 |
64,244,683 | https://en.wikipedia.org/wiki/Leibniz%20Institute%20of%20Plant%20Biochemistry | The Leibniz Institute of Plant Biochemistry (German: Leibniz-Institut für Pflanzenbiochemie, abbreviated: IPB) is a non-university, public research institute located in Halle (Saale), Germany. It carries out basic and applied plant research on model, cultivated and wild plants. Research activities at the institute inc... | Leibniz Institute of Plant Biochemistry | Chemistry | 587 |
64,252,681 | https://en.wikipedia.org/wiki/Samsung%20Galaxy%20Z%20Fold%202 | The Samsung Galaxy Z Fold 2 (stylized as Samsung Galaxy Z Fold2, sold as Samsung Galaxy Fold 2 in certain territories) is an Android-based foldable smartphone developed by Samsung Electronics for its Samsung Galaxy Z series, succeeding the Samsung Galaxy Fold. It was announced on 5 August 2020 alongside the Samsung Gal... | Samsung Galaxy Z Fold 2 | Technology | 882 |
35,892,084 | https://en.wikipedia.org/wiki/C16H18N2O2 | The molecular formula C16H18N2O2 (molar mass: 270.33 g/mol, exact mass: 270.1368 u) may refer to:
Ciproxifan
Domoxin
Ethonam
Penniclavine
Molecular formulas | C16H18N2O2 | Physics,Chemistry | 55 |
326,182 | https://en.wikipedia.org/wiki/Isoperimetric%20inequality | In mathematics, the isoperimetric inequality is a geometric inequality involving the square of the circumference of a closed curve in the plane and the area of a plane region it encloses, as well as its various generalizations. Isoperimetric literally means "having the same perimeter". Specifically, the isoperimetric i... | Isoperimetric inequality | Mathematics | 2,804 |
72,460,383 | https://en.wikipedia.org/wiki/Turkey%20illusion | Turkey illusion is a cognitive bias describing the surprise resulting from a break in a trend, if one does not know the causes or the framework conditions for this trend. The concept was first introduced by Bertrand Russell to illustrate a problem with inductive reasoning.
Relevant disciplines for uncovering such bias... | Turkey illusion | Biology | 315 |
513,815 | https://en.wikipedia.org/wiki/Shroud | Shroud usually refers to an item, such as a cloth, that covers or protects some other object. The term is most often used in reference to burial sheets, mound shroud, grave clothes, winding-cloths or winding-sheets, such as the Jewish tachrichim or Muslim kaffan, that the body is wrapped in for burial. A famous example... | Shroud | Biology | 716 |
3,091,815 | https://en.wikipedia.org/wiki/Strecker%20amino%20acid%20synthesis | The Strecker amino acid synthesis, also known simply as the Strecker synthesis, is a method for the synthesis of amino acids by the reaction of an aldehyde with cyanide in the presence of ammonia. The condensation reaction yields an α-aminonitrile, which is subsequently hydrolyzed to give the desired amino acid. The m... | Strecker amino acid synthesis | Chemistry | 833 |
1,288,948 | https://en.wikipedia.org/wiki/Capability%20Maturity%20Model%20Integration | Capability Maturity Model Integration (CMMI) is a process level improvement training and appraisal program. Administered by the CMMI Institute, a subsidiary of ISACA, it was developed at Carnegie Mellon University (CMU). It is required by many U.S. Government contracts, especially in software development. CMU claims CM... | Capability Maturity Model Integration | Engineering | 2,889 |
1,930,923 | https://en.wikipedia.org/wiki/Arsenide | In chemistry, an arsenide is a compound of arsenic with a less electronegative element or elements. Many metals form binary compounds containing arsenic, and these are called arsenides. They exist with many stoichiometries, and in this respect arsenides are similar to phosphides.
Alkali metal and alkaline earth arsen... | Arsenide | Physics,Chemistry | 678 |
306,543 | https://en.wikipedia.org/wiki/Structural%20analysis | Structural analysis is a branch of solid mechanics which uses simplified models for solids like bars, beams and shells for engineering decision making. Its main objective is to determine the effect of loads on physical structures and their components. In contrast to theory of elasticity, the models used in structural ... | Structural analysis | Engineering | 2,804 |
1,216,060 | https://en.wikipedia.org/wiki/Nitride | In chemistry, a nitride is a chemical compound of nitrogen. Nitrides can be inorganic or organic, ionic or covalent. The nitride anion, N3- ion, is very elusive but compounds of nitride are numerous, although rarely naturally occurring. Some nitrides have a found applications, such as wear-resistant coatings (e.g., tit... | Nitride | Physics,Chemistry | 1,411 |
12,349,156 | https://en.wikipedia.org/wiki/Jitterlyzer | The FS5000 Jitterlyzer performs physical layer serial bus jitter evaluation. It can inject controlled jitter and measure the characteristics of incoming jitter. When teamed with a logic analyzer or protocol analyzer, it can correlate these measurements with protocol analysis. Physical-layer tests can be performed while... | Jitterlyzer | Technology,Engineering | 692 |
59,409,767 | https://en.wikipedia.org/wiki/Suchi%20Saria | Suchi Saria is an Associate Professor of Machine Learning and Healthcare at Johns Hopkins University, where she uses big data to improve patient outcomes. She is a World Economic Forum Young Global Leader. From 2022 to 2023, she was an investment partner at AIX Ventures. AIX Ventures is a venture capital fund that inve... | Suchi Saria | Biology | 679 |
50,879,654 | https://en.wikipedia.org/wiki/Sunway%20TaihuLight | The Sunway TaihuLight ( Shénwēi·tàihú zhī guāng) is a Chinese supercomputer which, , is ranked 11th in the TOP500 list, with a LINPACK benchmark rating of 93 petaflops. The name is translated as divine power, the light of Taihu Lake. This is nearly three times as fast as the previous Tianhe-2, which ran at 34 petaflops... | Sunway TaihuLight | Technology | 601 |
2,710,462 | https://en.wikipedia.org/wiki/Theta%20Ursae%20Majoris | Theta Ursae Majoris (Theta UMa, θ Ursae Majoris, θ UMa) is a suspected spectroscopic binary star system in the northern circumpolar constellation of Ursa Major. It has an apparent visual magnitude of 3.17, placing it among the brighter members of this constellation. The distance to this star has been measured directly ... | Theta Ursae Majoris | Astronomy | 710 |
23,092,516 | https://en.wikipedia.org/wiki/Atmospheric%20methane | Atmospheric methane is the methane present in Earth's atmosphere. The concentration of atmospheric methane is increasing due to methane emissions, and is causing climate change. Methane is one of the most potent greenhouse gases. Methane's radiative forcing (RF) of climate is direct, and it is the second largest contri... | Atmospheric methane | Chemistry,Environmental_science | 3,475 |
70,196,516 | https://en.wikipedia.org/wiki/Fertility%20fraud | Fertility fraud is the failure on the part of a fertility doctor to obtain consent from a patient before inseminating her with his own sperm. This normally occurs in the context of people using assisted reproductive technology (ART) to address fertility issues.
The term is also used in cases where donor eggs are used ... | Fertility fraud | Chemistry,Technology,Engineering,Biology | 2,157 |
37,280,130 | https://en.wikipedia.org/wiki/Triamiphos | Triamiphos (chemical formula: C12H19N6OP) is an organophosphate used as a pesticide and fungicide. It is used to control powdery mildews on apples and ornamentals. It was discontinued by the US manufacturer in 1998.
History
The phosphoramide Triamiphos is thought to be the first commercially available systemic fungic... | Triamiphos | Biology | 1,104 |
54,698,311 | https://en.wikipedia.org/wiki/Video%20line%20selector | A video line selector is an electronic circuit or device for picking a line from an analog video signal. The input of the circuit is connected to an analog video source, the output triggers an oscilloscope, so display the selected line on the oscilloscope or similar device.
Properties
Video line selectors are circuit... | Video line selector | Technology,Engineering | 906 |
1,394,307 | https://en.wikipedia.org/wiki/Photophosphorylation | In the process of photosynthesis, the phosphorylation of ADP to form ATP using the energy of sunlight is called photophosphorylation. Cyclic photophosphorylation occurs in both aerobic and anaerobic conditions, driven by the main primary source of energy available to living organisms, which is sunlight. All organisms p... | Photophosphorylation | Chemistry,Biology | 1,849 |
3,633,535 | https://en.wikipedia.org/wiki/Magnitizdat | Magnitizdat () was the process of copying and distributing audio tape recordings that were not commercially available in the Soviet Union. It is analogous to samizdat, the method of disseminating written works that could not be officially published under Soviet political censorship. It is technically similar to bootleg... | Magnitizdat | Technology | 824 |
24,370,288 | https://en.wikipedia.org/wiki/Pop-up%20satellite%20archival%20tag | Pop-up satellite archival tags (PSATs) are used to track movements of (usually large, migratory) marine animals. A PSAT (also commonly referred to as a PAT tag) is an archival tag (or data logger) that is equipped with a means to transmit the collected data via the Argos satellite system. Though the data are physicall... | Pop-up satellite archival tag | Technology,Biology | 1,331 |
29,823 | https://en.wikipedia.org/wiki/Thomas%20Hobbes | Thomas Hobbes ( ; 5 April 1588 – 4 December 1679) was an English philosopher, best known for his 1651 book Leviathan, in which he expounds an influential formulation of social contract theory. He is considered to be one of the founders of modern political philosophy.
In his early life, overshadowed by his father's dep... | Thomas Hobbes | Physics,Mathematics | 8,251 |
25,029,425 | https://en.wikipedia.org/wiki/Concolic%20testing | Concolic testing (a portmanteau of concrete and symbolic, also known as dynamic symbolic execution) is a hybrid software verification technique that performs symbolic execution, a classical technique that treats program variables as symbolic variables, along a concrete execution (testing on particular inputs) path. Sym... | Concolic testing | Mathematics,Engineering | 2,021 |
1,839,724 | https://en.wikipedia.org/wiki/Irresistible%20force%20paradox | The irresistible force paradox (also unstoppable force paradox or shield and spear paradox), is a classic paradox formulated as "What happens when an unstoppable force meets an immovable object?" The immovable object and the unstoppable force are both implicitly assumed to be indestructible, or else the question would ... | Irresistible force paradox | Physics,Mathematics | 997 |
53,179,717 | https://en.wikipedia.org/wiki/Capitanian%20mass%20extinction%20event | The Capitanian mass extinction event, also known as the end-Guadalupian extinction event, the Guadalupian-Lopingian boundary mass extinction, the pre-Lopingian crisis, or the Middle Permian extinction, was an extinction event that predated the infamous end-Permian extinction. The mass extinction occurred during a perio... | Capitanian mass extinction event | Biology | 4,230 |
535,581 | https://en.wikipedia.org/wiki/Pearlite | Pearlite is a two-phased, lamellar (or layered) structure composed of alternating layers of ferrite (87.5 wt%) and cementite (12.5 wt%) that occurs in some steels and cast irons. During slow cooling of an iron-carbon alloy, pearlite forms by a eutectoid reaction as austenite cools below (the eutectoid temperature). Pe... | Pearlite | Chemistry,Materials_science,Engineering | 1,024 |
46,968,203 | https://en.wikipedia.org/wiki/Patrick%20Michael%20Grundy | Patrick Michael Grundy (16 November 1917, Yarmouth, Isle of Wight – 4 November 1959) was an English mathematician and statistician. He was one of the eponymous co-discoverers of the Sprague–Grundy function and its application to the analysis of a wide class of combinatorial games.
Biography
Grundy received his secon... | Patrick Michael Grundy | Mathematics | 1,007 |
33,675,095 | https://en.wikipedia.org/wiki/Qsort | qsort is a C standard library function that implements a sorting algorithm for arrays of arbitrary objects according to a user-provided comparison function. It is named after the "quicker sort" algorithm (a quicksort variant due to R. S. Scowen), which was originally used to implement it in the Unix C library, although... | Qsort | Mathematics | 882 |
36,479,925 | https://en.wikipedia.org/wiki/NGC%206304 | NGC 6304 is a globular cluster in the constellation Ophiuchus. William Herschel discovered this star cluster using an f/13 speculum reflector telescope in 1786. It is about 19,000 light-years away, near the Milky Way's central bulge.
See also
NGC object
List of NGC objects
List of NGC objects (6001–7000)
Referen... | NGC 6304 | Astronomy | 114 |
18,348,855 | https://en.wikipedia.org/wiki/Harmful%20algal%20bloom | A harmful algal bloom (HAB), or excessive algae growth, is an algal bloom that causes negative impacts to other organisms by production of natural algae-produced toxins, water deoxygenation, mechanical damage to other organisms, or by other means. HABs are sometimes defined as only those algal blooms that produce toxin... | Harmful algal bloom | Chemistry,Biology,Environmental_science | 14,449 |
1,585,274 | https://en.wikipedia.org/wiki/Heawood%20conjecture | In graph theory, the Heawood conjecture or Ringel–Youngs theorem gives a lower bound for the number of colors that are necessary for graph coloring on a surface of a given genus. For surfaces of genus 0, 1, 2, 3, 4, 5, 6, 7, ..., the required number of colors is 4, 7, 8, 9, 10, 11, 12, 12, .... , the chromatic number o... | Heawood conjecture | Mathematics | 884 |
9,258,361 | https://en.wikipedia.org/wiki/Ruppeiner%20geometry | Ruppeiner geometry is thermodynamic geometry (a type of information geometry) using the language of Riemannian geometry to study thermodynamics. George Ruppeiner proposed it in 1979. He claimed that thermodynamic systems can be represented by Riemannian geometry, and that statistical properties can be derived from the ... | Ruppeiner geometry | Physics,Chemistry,Mathematics | 795 |
76,152,796 | https://en.wikipedia.org/wiki/Connorstictic%20acid | Connorstictic acid is an organic compound in the structural class of chemicals known as depsidones. It occurs as a secondary metabolite in many lichen species in several genera.
History
Connorstictic acid was first identified and named in 1971 by Chicita Culberson and William Culberson, from chemical analysis of Diplo... | Connorstictic acid | Chemistry | 624 |
3,095,831 | https://en.wikipedia.org/wiki/Axiality%20and%20rhombicity | In physics and mathematics, axiality and rhombicity are two characteristics of a symmetric second-rank tensor in three-dimensional Euclidean space, describing its directional asymmetry.
Let A denote a second-rank tensor in R3, which can be represented by a 3-by-3 matrix. We assume that A is symmetric. This implies tha... | Axiality and rhombicity | Engineering | 454 |
72,249,115 | https://en.wikipedia.org/wiki/Data%20decolonization | Data decolonization is the process of divesting from colonial, hegemonic models and epistemological frameworks that guide the collection, usage, and dissemination of data related to Indigenous peoples and nations, instead prioritising and centering Indigenous paradigms, frameworks, values, and data practices. Data deco... | Data decolonization | Technology | 907 |
38,648,693 | https://en.wikipedia.org/wiki/Nanoscale%20%28journal%29 | Nanoscale is a peer-reviewed scientific journal covering experimental and theoretical research in all areas of nanotechnology and nanoscience. It is published by the Royal Society of Chemistry. According to the Journal Citation Reports, the journal has a 2021 impact factor of 8.307.
References
External links
Royal... | Nanoscale (journal) | Materials_science | 84 |
39,058,868 | https://en.wikipedia.org/wiki/Bioresorbable%20metal | Bioresorbable (also called biodegradable or bioabsorbable) metals are metals or their alloys that degrade safely within the body. The primary metals in this category are magnesium-based and iron-based alloys, although recently zinc has also been investigated. Currently, the primary uses of bioresorbable metals are as s... | Bioresorbable metal | Physics,Biology | 1,268 |
1,658,979 | https://en.wikipedia.org/wiki/FreeS/WAN | FreeS/WAN, for Free Secure Wide-Area Networking, was a free software project which implemented a reference version of the IPsec network security layer for Linux. The project goal of ubiquitous opportunistic encryption of Internet traffic was not realized, although it did contribute to general Internet encryption.
The ... | FreeS/WAN | Technology | 245 |
77,881,388 | https://en.wikipedia.org/wiki/Upsweep | Upsweep is an unidentified sound detected by the U.S. National Oceanic and Atmospheric Administration's (NOAA) equatorial autonomous hydrophone arrays. The sound was recorded in August, 1991, using the Pacific Marine Environmental Laboratory's underwater sound surveillance system, SOSUS. Loud enough to be detected thro... | Upsweep | Physics,Environmental_science | 589 |
24,009,160 | https://en.wikipedia.org/wiki/C4H8S | {{DISPLAYTITLE:C4H8S}}
The molecular formula C4H8S (molar mass: 88.17 g/mol, exact mass: 88.0347 u) may refer to:
Allyl methyl sulfide
Tetrahydrothiophene, also known as thiophane, thiolane, or THT
Molecular formulas | C4H8S | Physics,Chemistry | 80 |
145,380 | https://en.wikipedia.org/wiki/Pilaster | In architecture, a pilaster is both a load-bearing section of thickened wall or column integrated into a wall, and a purely decorative element in classical architecture which gives the appearance of a supporting column and articulates an extent of wall. As an ornament it consists of a flat surface raised from the main ... | Pilaster | Technology,Engineering | 622 |
33,876,162 | https://en.wikipedia.org/wiki/Kick%20the%20Fossil%20Fuel%20Habit | Kick The Fossil Fuel Habit: 10 Clean Technologies to Save Our World is a 2010 book by Tom Rand (venture capitalist). The book is about making an energy transition from fossil fuels to clean technologies, by changing to 100% renewable energy. It includes detailed descriptions of the technologies required – solar energy,... | Kick the Fossil Fuel Habit | Environmental_science | 273 |
19,372,852 | https://en.wikipedia.org/wiki/MecA | mecA is a gene found in bacterial cells which allows them to be resistant to antibiotics such as methicillin, penicillin and other penicillin-like antibiotics.
The bacteria strain most commonly known to carry mecA is methicillin-resistant Staphylococcus aureus (MRSA). In Staphylococcus species, mecA is spread through... | MecA | Biology | 1,818 |
74,274,754 | https://en.wikipedia.org/wiki/AI-assisted%20reverse%20engineering | AI-assisted reverse engineering (AIARE) is a branch of computer science that leverages artificial intelligence (AI), notably machine learning (ML) strategies, to augment and automate the process of reverse engineering. The latter involves breaking down a product, system, or process to comprehend its structure, design, ... | AI-assisted reverse engineering | Engineering | 428 |
73,627,447 | https://en.wikipedia.org/wiki/Introduction%20to%20Elementary%20Particles%20%28book%29 | Introduction to Elementary Particles, by David Griffiths, is an introductory textbook that describes an accessible "coherent and unified theoretical structure" of particle physics, appropriate for advanced undergraduate physics students. It was originally published in 1987, and the second revised and enlarged edition w... | Introduction to Elementary Particles (book) | Physics | 575 |
25,275,248 | https://en.wikipedia.org/wiki/Barbertonite | Barbertonite is a magnesium chromium carbonate mineral with formula of . It is polymorphous with the mineral stichtite and, along with stichtite, is an alteration product of chromite in serpentinite. Barbertonite has a close association with stichtite, chromite, and antigorite (Taylor, 1973). Mills et al. (2011) presen... | Barbertonite | Materials_science,Engineering | 599 |
67,346,535 | https://en.wikipedia.org/wiki/Batelapine | Batelapine (developmental code name CGS-13429) is a structural analogue of clozapine which was investigated as a potential antipsychotic.
References
External links
Batelapine - AdisInsight
Abandoned drugs
Antipsychotics
4-Methylpiperazin-1-yl compounds
Triazolobenzodiazepines
Tricyclic compounds | Batelapine | Chemistry | 76 |
13,413,355 | https://en.wikipedia.org/wiki/Neutral%20fat | Neutral fats, also known as true fats, are simple lipids that are produced by the dehydration synthesis of one or more fatty acids with an alcohol like glycerol. Neutral fats are also known as triacylglycerols, these lipids are dense as well as hydrophobic due to their long carbon chain and are there main function is t... | Neutral fat | Chemistry | 350 |
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