id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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12,163,566 | https://en.wikipedia.org/wiki/Environmental%20emergency | An environmental emergency is defined as a "sudden-onset disaster or accident resulting from natural, technological or human-induced factors, or a combination of these, that causes or threatens to cause severe environmental damage as well as loss of human lives and property." (UNEP/GC.22/INF/5, 13 November 2002.)
Foll... | Environmental emergency | Physics | 783 |
25,884,081 | https://en.wikipedia.org/wiki/Qubit%20fluorometer | The Qubit fluorometer is a laboratory instrument developed and distributed by Invitrogen, which is now a part of Thermo Fisher. It is used for the quantification of DNA, RNA, and protein.
Method
The Qubit fluorometer method is to use fluorescent dyes to determine the concentration of either nucleic acids or proteins ... | Qubit fluorometer | Physics,Chemistry | 471 |
8,688,979 | https://en.wikipedia.org/wiki/Percy%20Nicholls%20Award | The Percy Nicholls Award is an American engineering prize.
It has been given annually since 1942 for "notable scientific or industrial achievement in the field of solid fuels". The prize is given jointly by the American Institute of Mining, Metallurgical, and Petroleum Engineers and American Society of Mechanical Engi... | Percy Nicholls Award | Chemistry,Technology | 657 |
27,540,696 | https://en.wikipedia.org/wiki/Global%20Storage%20Architecture | GSA (Global Storage Architecture) is a distributed file system created by IBM to replace the Andrew File System and the DCE Distributed File System.
External links
GSA Presentation by Stanley Wood
Distributed file systems
Network file systems
Internet Protocol based network software | Global Storage Architecture | Technology | 50 |
1,843,913 | https://en.wikipedia.org/wiki/Desert%20ecology | Desert ecology is the study of interactions between both biotic and abiotic components of desert environments. A desert ecosystem is defined by interactions between organisms, the climate in which they live, and any other non-living influences on the habitat. Deserts are arid regions that are generally associated with ... | Desert ecology | Biology | 1,913 |
5,053,014 | https://en.wikipedia.org/wiki/Tetramethylethylenediamine | Tetramethylethylenediamine (TMEDA or TEMED) is a chemical compound with the formula (CH3)2NCH2CH2N(CH3)2. This species is derived from ethylenediamine by replacement of the four amine hydrogens with four methyl groups. It is a colorless liquid, although old samples often appear yellow. Its odor is similar to that of ... | Tetramethylethylenediamine | Chemistry | 497 |
14,445,588 | https://en.wikipedia.org/wiki/Prokineticin%20receptor%202 | Prokineticin receptor 2 (PKR2), is a dimeric G protein-coupled receptor encoded by the PROKR2 gene in humans.
Function
Prokineticins are secreted proteins that can promote angiogenesis and induce strong gastrointestinal smooth muscle contraction. The protein encoded by this gene is an integral membrane protein and G... | Prokineticin receptor 2 | Chemistry | 369 |
4,185,946 | https://en.wikipedia.org/wiki/Air%20Quality%20Modeling%20Group | The Air Quality Modeling Group (AQMG) is in the U.S. EPA's Office of Air and Radiation (OAR) and provides leadership and direction on the full range of air quality models, air pollution dispersion models and other mathematical simulation techniques used in assessing pollution control strategies and the impacts of air p... | Air Quality Modeling Group | Chemistry,Engineering,Environmental_science | 462 |
31,016 | https://en.wikipedia.org/wiki/Terrestrial%20Time | Terrestrial Time (TT) is a modern astronomical time standard defined by the International Astronomical Union, primarily for time-measurements of astronomical observations made from the surface of Earth.
For example, the Astronomical Almanac uses TT for its tables of positions (ephemerides) of the Sun, Moon and planets ... | Terrestrial Time | Physics,Astronomy | 2,014 |
510,581 | https://en.wikipedia.org/wiki/R-parity | R-parity is a concept in particle physics. In the Minimal Supersymmetric Standard Model, baryon number and lepton number are no longer conserved by all of the renormalizable couplings in the theory. Since baryon number and lepton number conservation have been tested very precisely, these couplings need to be very small... | R-parity | Physics | 1,128 |
15,419,237 | https://en.wikipedia.org/wiki/Transformation%20design | In broad terms, transformation design is a human-centered, interdisciplinary process that seeks to create desirable and sustainable changes in behavior and form – of individuals, systems and organizations. It is a multi-stage, iterative process of applying design principles to large and complex systems.
Its practitio... | Transformation design | Engineering | 1,076 |
54,603,848 | https://en.wikipedia.org/wiki/Brazilian%20Controlled%20Drugs%20and%20Substances%20Act | The Brazilian Controlled Drugs and Substances Act (), officially Portaria nº 344/1998, is Brazil's federal drug control statute, issued by the Ministry of Health through its National Health Surveillance Agency (Anvisa). The act also serves as the implementing legislation for the Single Convention on Narcotic Drugs, the... | Brazilian Controlled Drugs and Substances Act | Chemistry | 4,362 |
7,579,113 | https://en.wikipedia.org/wiki/Wax%20carving | Wax carving is the shaping of wax using tools usually associated with machining: rotary tools, saws, files and burins or gravers. Actual knives can be used and most certainly are, but the hardness of the material is such that they are not the ideal tool, generally.
To carve wax, the proper size and shape of block or ... | Wax carving | Physics | 573 |
40,777,156 | https://en.wikipedia.org/wiki/Commutative%20ring%20spectrum | In algebraic topology, a commutative ring spectrum, roughly equivalent to a -ring spectrum, is a commutative monoid in a good category of spectra.
The category of commutative ring spectra over the field of rational numbers is Quillen equivalent to the category of differential graded algebras over .
Example: The Witt... | Commutative ring spectrum | Mathematics | 172 |
39,924,732 | https://en.wikipedia.org/wiki/Sphingosine-1-phosphate%20receptor | The sphingosine-1-phosphate receptors are a class of G protein-coupled receptors that are targets of the lipid signalling molecule Sphingosine-1-phosphate (S1P). They are divided into five subtypes: S1PR1, S1PR2, S1PR3, S1PR4 and S1PR5.
Discovery
In 1990, S1PR1 was the first member of the S1P receptor family to be cl... | Sphingosine-1-phosphate receptor | Chemistry | 437 |
37,255,377 | https://en.wikipedia.org/wiki/Chi%20Leonis | Chi Leonis, Latinized from χ Leonis, is a double star in the constellation Leo. It is visible to the naked eye with an apparent visual magnitude of 4.63. The distance to this star, as determined using parallax measurements, is around 95 light years. It has an annual proper motion of 346 mas.
This is most likely a bina... | Chi Leonis | Astronomy | 189 |
6,469,973 | https://en.wikipedia.org/wiki/De%20Gua%27s%20theorem | In mathematics, De Gua's theorem is a three-dimensional analog of the Pythagorean theorem named after Jean Paul de Gua de Malves. It states that if a tetrahedron has a right-angle corner (like the corner of a cube), then the square of the area of the face opposite the right-angle corner is the sum of the squares of the... | De Gua's theorem | Mathematics | 642 |
3,811,707 | https://en.wikipedia.org/wiki/Influenza%20Genome%20Sequencing%20Project | The Influenza Genome Sequencing Project (IGSP), initiated in early 2004, seeks to investigate influenza evolution by providing a public data set of complete influenza genome sequences from collections of isolates representing diverse species distributions.
The project is funded by the National Institute of Allergy and... | Influenza Genome Sequencing Project | Biology | 813 |
276,390 | https://en.wikipedia.org/wiki/Chloral%20hydrate | Chloral hydrate is a geminal diol with the formula . It was first used as a sedative and hypnotic in Germany in the 1870s. Over time it was replaced by safer and more effective alternatives but it remained in usage in the United States until at least the 1970s. It sometimes finds usage as a laboratory chemical reagent ... | Chloral hydrate | Chemistry,Biology | 4,002 |
804,939 | https://en.wikipedia.org/wiki/Kitbashing | Kitbashing or model bashing is the practice of making a new scale model by taking pieces out of kits. These pieces may be added to a custom project or to another kit. For professional modelmakers, kitbashing is used to create concept models for detailing movie special effects. Commercial model kits are a ready source o... | Kitbashing | Physics | 748 |
992,412 | https://en.wikipedia.org/wiki/Wireless%20distribution%20system | A wireless distribution system (WDS) is a system enabling the wireless interconnection of access points in an IEEE 802.11 network. It allows a wireless network to be expanded using multiple access points without the traditional requirement for a wired backbone to link them. The notable advantage of WDS over other solut... | Wireless distribution system | Technology,Engineering | 1,664 |
1,866,743 | https://en.wikipedia.org/wiki/Linear%20code | In coding theory, a linear code is an error-correcting code for which any linear combination of codewords is also a codeword. Linear codes are traditionally partitioned into block codes and convolutional codes, although turbo codes can be seen as a hybrid of these two types. Linear codes allow for more efficient encodi... | Linear code | Mathematics | 2,118 |
23,473,696 | https://en.wikipedia.org/wiki/Differential%20privacy | Differential privacy (DP) is a mathematically rigorous framework for releasing statistical information about datasets while protecting the privacy of individual data subjects. It enables a data holder to share aggregate patterns of the group while limiting information that is leaked about specific individuals. This is ... | Differential privacy | Engineering | 4,349 |
20,961,273 | https://en.wikipedia.org/wiki/M134%20bomblet | The M134 bomblet was a U.S. chemical cluster munition designed for use in the MGR-1 Honest John rocket during the 1950s. The weapon was never mass-produced and was supplanted in 1964 by an improved design, the M139.
History
The M134 bomblet, developed as the E130, or E130R1 bomblet, began development in the early 1950... | M134 bomblet | Chemistry | 497 |
73,912,077 | https://en.wikipedia.org/wiki/Schei%C3%9Ftag | Scheißtage (literally "shitting days") referred to the additional one to three unpaid working days in Southern Germany and Austria for peasants and servants to compensate for the time they needed to defecate during their agreed employment.
This practice existed in the 18th and 19th centuries, and occasionally even unt... | Scheißtag | Biology | 270 |
888,711 | https://en.wikipedia.org/wiki/Mathematical%20statistics | Mathematical statistics is the application of probability theory and other mathematical concepts to statistics, as opposed to techniques for collecting statistical data. Specific mathematical techniques that are commonly used in statistics include mathematical analysis, linear algebra, stochastic analysis, differential... | Mathematical statistics | Mathematics | 2,056 |
27,157,933 | https://en.wikipedia.org/wiki/Nucleic%20acid%20secondary%20structure | Nucleic acid secondary structure is the basepairing interactions within a single nucleic acid polymer or between two polymers. It can be represented as a list of bases which are paired in a nucleic acid molecule.
The secondary structures of biological DNAs and RNAs tend to be different: biological DNA mostly exists as ... | Nucleic acid secondary structure | Physics,Chemistry,Biology | 2,188 |
1,028,589 | https://en.wikipedia.org/wiki/Normal%20basis | In mathematics, specifically the algebraic theory of fields, a normal basis is a special kind of basis for Galois extensions of finite degree, characterised as forming a single orbit for the Galois group. The normal basis theorem states that any finite Galois extension of fields has a normal basis. In algebraic number... | Normal basis | Mathematics,Engineering | 1,705 |
36,900,213 | https://en.wikipedia.org/wiki/Tablet%20hardness%20testing | Tablet hardness testing is a laboratory technique used by the pharmaceutical industry to determine the breaking point and structural integrity of a tablet and find out how it changes "under conditions of storage, transportation, packaging and handling before usage"
The breaking point of a tablet is based on its shape. ... | Tablet hardness testing | Chemistry,Materials_science,Technology,Engineering | 995 |
21,786,078 | https://en.wikipedia.org/wiki/Chlorine-37 | Chlorine-37 (), is one of the stable isotopes of chlorine, the other being chlorine-35 (). Its nucleus contains 17 protons and 20 neutrons for a total of 37 nucleons. Chlorine-37 accounts for 24.23% of natural chlorine, chlorine-35 accounting for 75.77%, giving chlorine atoms in bulk an apparent atomic weight of .
Rem... | Chlorine-37 | Chemistry | 486 |
10,222,264 | https://en.wikipedia.org/wiki/Aircraft%20cabin | An aircraft cabin is the section of an aircraft in which passengers travel. Most modern commercial aircraft are pressurized, as cruising altitudes are high enough such that the surrounding atmosphere is too thin for passengers and crew to breathe.
In commercial air travel, particularly in airliners, cabins may be divi... | Aircraft cabin | Engineering | 1,247 |
25,777,451 | https://en.wikipedia.org/wiki/Chloroplast%20DNA | Chloroplast DNA (cpDNA), also known as plastid DNA (ptDNA) is the DNA located in chloroplasts, which are photosynthetic organelles located within the cells of some eukaryotic organisms. Chloroplasts, like other types of plastid, contain a genome separate from that in the cell nucleus. The existence of chloroplast DNA w... | Chloroplast DNA | Chemistry,Biology | 5,898 |
12,461,912 | https://en.wikipedia.org/wiki/C4H2O4 | {{DISPLAYTITLE:C4H2O4}}
The molecular formula C4H2O4 (molar mass: 114.06 g/mol, exact mass: 113.9953 u) may refer to:
Acetylenedicarboxylic acid, or butynedioic acid
Squaric acid, or quadratic acid
Molecular formulas | C4H2O4 | Physics,Chemistry | 78 |
691,626 | https://en.wikipedia.org/wiki/Irrationality | Irrationality is cognition, thinking, talking, or acting without rationality.
Irrationality often has a negative connotation, as thinking and actions that are less useful or more illogical than other more rational alternatives. The concept of irrationality is especially important in Albert Ellis's rational emotive be... | Irrationality | Biology | 331 |
67,179,878 | https://en.wikipedia.org/wiki/Karen%20Hao | Karen Hao is an American journalist and data scientist. Currently a contributing writer for The Atlantic and previously a foreign correspondent based in Hong Kong for The Wall Street Journal and senior artificial intelligence editor at the MIT Technology Review, she is best known for her coverage on AI research, techno... | Karen Hao | Technology | 676 |
48,779,942 | https://en.wikipedia.org/wiki/Security%20visualisation | Security visualisation is a subject that broadly covers aspects of big data, visualisation, human perception and security. Each day, we are collecting more and more data in the form of log files and it is often meaningless if the data is not analyzed thoroughly. Big data mining techniques like Map Reduce help narrow do... | Security visualisation | Technology | 582 |
42,427,166 | https://en.wikipedia.org/wiki/Tomahawk%20%28software%29 | Tomahawk was a free, open-source cross-platform music player for Windows, macOS and Linux. An Android beta client version was launched in June 2016. It focuses on the conglomeration of the user's music library across local and network collections as well as streaming services. The project was marked as abandoned by the... | Tomahawk (software) | Engineering | 354 |
62,624,523 | https://en.wikipedia.org/wiki/Epichlo%C3%AB%20hordelymi | Epichloë hordelymi is a hybrid asexual species in the fungal genus Epichloë.
A systemic and seed-transmissible grass symbiont first described in 2013, Epichloë hordelymi is a natural allopolyploid of Epichloë bromicola and a strain in the Epichloë typhina complex.
Epichloë hordelymi is found in Europe, where it has... | Epichloë hordelymi | Biology | 113 |
9,865,334 | https://en.wikipedia.org/wiki/Astron%20%28wristwatch%29 | The Astron wristwatch, formally known as the Seiko Quartz-Astron 35SQ, was the world's first "quartz clock" wristwatch. It is now registered on the List of IEEE Milestones as a key advance in electrical engineering.
History
The Astron was unveiled in Tokyo on December 25, 1969, after ten years of research and develop... | Astron (wristwatch) | Engineering | 455 |
57,512,705 | https://en.wikipedia.org/wiki/Aissa%20Wade | Aissa Wade is a Professor of Mathematics at the Pennsylvania State University. She was the President of the African Institute for Mathematical Sciences centre in Senegal (from 2016 to 2018).
Early life and education
Wade was born in Dakar, Senegal. She studied mathematics at Cheikh Anta Diop University and graduated... | Aissa Wade | Mathematics | 419 |
30,278,857 | https://en.wikipedia.org/wiki/Vitexin%20%28data%20page%29 | This page provides supplementary chemical data on vitexin.
Material Safety Data Sheet
The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source such as eChemPortal, and follow its directions.
... | Vitexin (data page) | Chemistry | 86 |
15,281,113 | https://en.wikipedia.org/wiki/Shield%20budding | Shield budding, also known as T-budding, is a technique of grafting to change varieties of fruit trees. Typically used in fruit tree propagation, it can also be used for many other kinds of nursery stock. An extremely sharp knife is necessary; specialty budding knives are on the market. A budding knife is a small knife... | Shield budding | Biology | 482 |
2,113,111 | https://en.wikipedia.org/wiki/PerkinElmer | PerkinElmer, Inc., previously styled Perkin-Elmer, is an American global corporation that was founded in 1937 and originally focused on precision optics. Over the years it went into and out of several different businesses via acquisitions and divestitures; these included defense products, semiconductors, computer syst... | PerkinElmer | Biology | 3,679 |
194,085 | https://en.wikipedia.org/wiki/Sleeping%20Beauty | Sleeping Beauty (, or The Beauty Sleeping in the Wood; , or Little Briar Rose), also titled in English as The Sleeping Beauty in the Woods, is a fairy tale about a princess cursed by an evil fairy to sleep for a hundred years before being awakened by a handsome prince. A good fairy, knowing the princess would be fright... | Sleeping Beauty | Biology | 7,033 |
44,459,690 | https://en.wikipedia.org/wiki/3-Hydroxyphenazepam | 3-Hydroxyphenazepam is a benzodiazepine with hypnotic, sedative, anxiolytic, and anticonvulsant properties. It is an active metabolite of phenazepam, as well as the active metabolite of the benzodiazepine prodrug cinazepam. Relative to phenazepam, 3-hydroxyphenazepam has diminished myorelaxant properties, but is about ... | 3-Hydroxyphenazepam | Chemistry,Biology | 237 |
20,198,736 | https://en.wikipedia.org/wiki/HR%208799 | HR 8799 is a roughly 30 million-year-old main-sequence star located away from Earth in the constellation of Pegasus. It has roughly 1.5 times the Sun's mass and 4.9 times its luminosity. It is part of a system that also contains a debris disk and at least four massive planets. These planets were the first exoplanets w... | HR 8799 | Astronomy | 3,052 |
43,507,282 | https://en.wikipedia.org/wiki/Quantification%20%28science%29 | In mathematics and empirical science, quantification (or quantitation) is the act of counting and measuring that maps human sense observations and experiences into quantities. Quantification in this sense is fundamental to the scientific method.
Natural science
Some measure of the undisputed general importance of quan... | Quantification (science) | Chemistry,Mathematics | 782 |
42,842,335 | https://en.wikipedia.org/wiki/Norwegian%20Institute%20for%20Water%20Research | The Norwegian Institute for Water Research (NIVA) is an environmental research organisation which researches, monitors, assesses and studies freshwater, coastal and marine environments and environmental technology.
Services and research
NIVA's areas of work include environmental contaminants, biodiversity and climate... | Norwegian Institute for Water Research | Environmental_science | 689 |
71,710,152 | https://en.wikipedia.org/wiki/TESS%20Hunt%20for%20Young%20and%20Maturing%20Exoplanets | TESS Hunt for Young and Maturing Exoplanets (THYME) is an exoplanet search project. The researchers of the THYME collaboration are mainly from the United States and search for young exoplanets using data from the Transiting Exoplanet Survey Satellite (TESS). The new discoveries should help to understand the early evolu... | TESS Hunt for Young and Maturing Exoplanets | Astronomy | 141 |
1,432,429 | https://en.wikipedia.org/wiki/JP%20Aerospace | JP Aerospace is an American company that aims to achieve affordable access to space. Their main activities include high-atmospheric lighter-than-air flights carrying cameras or miniature experiments called PongSats and minicubes. They are also engaged in an Airship to Orbit project.
JP Aerospace was founded by John Ma... | JP Aerospace | Astronomy | 1,380 |
11,849,133 | https://en.wikipedia.org/wiki/Berkovich%20tip | A Berkovich tip is a type of nanoindenter tip used for testing the indentation hardness of a material. It is a three-sided pyramid which is geometrically self-similar. The popular Berkovich now has a very flat profile, with a total included angle of 142.3° and a half angle of 65.27°, measured from the axis to one of th... | Berkovich tip | Materials_science | 189 |
28,299,952 | https://en.wikipedia.org/wiki/H%20topology | In algebraic geometry, the h topology is a Grothendieck topology introduced by Vladimir Voevodsky to study the homology of schemes. It combines several good properties possessed by its related "sub"topologies, such as the qfh and cdh topologies. It has subsequently been used by Beilinson to study p-adic Hodge theory, ... | H topology | Mathematics | 1,514 |
60,290,317 | https://en.wikipedia.org/wiki/Neural%20dust | Neural dust is a hypothetical class of nanometer-sized devices operated as wirelessly powered nerve sensors; it is a type of brain–computer interface. The sensors may be used to study, monitor, or control the nerves and muscles and to remotely monitor neural activity. In practice, a medical treatment could introduce th... | Neural dust | Engineering | 1,443 |
740,817 | https://en.wikipedia.org/wiki/Mathematical%20coincidence | A mathematical coincidence is said to occur when two expressions with no direct relationship show a near-equality which has no apparent theoretical explanation.
For example, there is a near-equality close to the round number 1000 between powers of 2 and powers of 10:
Some mathematical coincidences are used in engin... | Mathematical coincidence | Mathematics | 3,139 |
660,941 | https://en.wikipedia.org/wiki/XSL%20attack | In cryptography, the eXtended Sparse Linearization (XSL) attack is a method of cryptanalysis for block ciphers. The attack was first published in 2002 by researchers Nicolas Courtois and Josef Pieprzyk. It has caused some controversy as it was claimed to have the potential to break the Advanced Encryption Standard (AES... | XSL attack | Technology | 1,567 |
275,126 | https://en.wikipedia.org/wiki/Carl%20N%C3%A4geli | Carl Wilhelm von Nägeli (26 or 27 March 1817 – 10 May 1891) was a Swiss botanist. He studied cell division and pollination but became known as the man who discouraged Gregor Mendel from further work on genetics. He rejected natural selection as a mechanism of evolution, favouring orthogenesis driven by a supposed "inne... | Carl Nägeli | Biology | 1,151 |
7,173,874 | https://en.wikipedia.org/wiki/Ecophysiology | Ecophysiology (from Greek , oikos, "house(hold)"; , physis, "nature, origin"; and , -logia), environmental physiology or physiological ecology is a biological discipline that studies the response of an organism's physiology to environmental conditions. It is closely related to comparative physiology and evolutionary p... | Ecophysiology | Biology | 3,590 |
12,799,573 | https://en.wikipedia.org/wiki/Cambridge%20Structural%20Database | The Cambridge Structural Database (CSD) is both a repository and a validated and curated resource for the three-dimensional structural data of molecules generally containing at least carbon and hydrogen, comprising a wide range of organic, metal-organic and organometallic molecules. The specific entries are complementa... | Cambridge Structural Database | Chemistry,Materials_science,Biology | 2,069 |
74,046,482 | https://en.wikipedia.org/wiki/List%20of%20Oceanian%20countries%20by%20life%20expectancy | This is a list of Oceanian countries by life expectancy at birth.
United Nations (2023)
Estimation of the analytical agency of the UN.
UN: Estimate of life expectancy for various ages in 2023
UN: Change of life expectancy from 2019 to 2023
World Bank Group (2022)
Estimation of the World Bank Group for 2022. The dat... | List of Oceanian countries by life expectancy | Biology | 192 |
60,529,141 | https://en.wikipedia.org/wiki/Richard%20Yost | Richard A Yost (born 31 May 1953 in Martins Ferry) is an American scientist and University Professor Emeritus at the University of Florida. He is best known for his work inventing the triple quadrupole mass spectrometer. Yost received his BS degree in chemistry in 1974 from the University of Arizona, having performed u... | Richard Yost | Physics,Chemistry | 537 |
22,529,331 | https://en.wikipedia.org/wiki/Lonely%20hearts%20killer | A lonely hearts killer (also called want-ad killer) is a criminal who commits murder by contacting a victim who has either posted advertisements to or answered advertisements via newspaper classified ads and personal or lonely hearts ads.
Varied motives
The actual motivations of these criminals are varied. By definiti... | Lonely hearts killer | Biology | 599 |
3,744,312 | https://en.wikipedia.org/wiki/Electro-pneumatic%20action | The electro-pneumatic action is a control system by the mean of air pressure for pipe organs, whereby air pressure, controlled by an electric current and operated by the keys of an organ console, opens and closes valves within wind chests, allowing the pipes to speak. This system also allows the console to be physicall... | Electro-pneumatic action | Technology | 1,129 |
2,727,977 | https://en.wikipedia.org/wiki/22%20Tauri | 22 Tauri is a component of the Asterope double star in the Pleiades open cluster. 22 Tauri is the stars' Flamsteed designation. It is situated near the ecliptic and thus is subject to lunar occultation. The star has an apparent visual magnitude of 6.43, which is near the lower threshold of visibility to the naked eye. ... | 22 Tauri | Astronomy | 275 |
28,960,689 | https://en.wikipedia.org/wiki/Commercial%20Product%20Assurance | Commercial Product Assurance (CPA) is a CESG approach to gaining confidence in the security of commercial products.
It is intended to supplant other approaches such as Common Criteria (CC) and CCT Mark for UK government use.
Organisation
CPA is being developed under the auspices of the UK Government's CESG as the ... | Commercial Product Assurance | Technology,Engineering | 250 |
11,512,309 | https://en.wikipedia.org/wiki/Microsphaera%20verruculosa | Microsphaera verruculosa is a plant pathogen.
References
External links
Index Fungorum
USDA ARS Fungal Database
Fungal plant pathogens and diseases
Microsphaera
Fungi described in 1981
Fungus species | Microsphaera verruculosa | Biology | 44 |
1,887,912 | https://en.wikipedia.org/wiki/Letter-quality%20printer | A letter-quality printer was a form of computer impact printer that was able to print with the quality typically expected from a business typewriter such as an IBM Selectric.
A letter-quality printer operates in much the same fashion as a typewriter. A metal or plastic printwheel embossed with letters, numbers, or sym... | Letter-quality printer | Technology | 766 |
12,953,285 | https://en.wikipedia.org/wiki/IEEE%20Internet%20Award | IEEE Internet Award is a Technical Field Award established by the IEEE in June 1999. The award is sponsored by Nokia Corporation. It may be presented annually to an individual or up to three recipients, for exceptional contributions to the advancement of Internet technology for network architecture, mobility and/or en... | IEEE Internet Award | Technology | 569 |
56,162,314 | https://en.wikipedia.org/wiki/Iran%20International%20Neuroscience%20Institute | The Iran International Neuroscience Institute (Persian: بنیاد علمی بینالمللی علوم مغز و اعصاب ایران) or Iran INI (Persian: آیانآی ایران) is an International research centre and hospital located in Tehran, Iran. It is the largest centre of Neuroscience researches in the world and third version of its own kind that wa... | Iran International Neuroscience Institute | Engineering | 155 |
307,882 | https://en.wikipedia.org/wiki/Wireline%20%28cabling%29 | In the oil and gas industry, the term wireline usually refers to the use of multi-conductor, single conductor or slickline cable, or "wireline", as a conveyance for the acquisition of subsurface petrophysical and geophysical data and the delivery of well construction services such as pipe recovery, perforating, plug se... | Wireline (cabling) | Chemistry,Engineering | 5,450 |
1,441,461 | https://en.wikipedia.org/wiki/Span%20%28unit%29 | A span is the distance measured by a human hand, from the tip of the thumb to the tip of the little finger. In ancient times, a span was considered to be half a cubit. Sometimes the distinction is made between the great span or full span (thumb to little finger) and little span or short span (thumb to index finger, or ... | Span (unit) | Mathematics | 953 |
1,424,864 | https://en.wikipedia.org/wiki/Plate%20electrode | A plate, usually called anode in Britain, is a type of electrode that forms part of a vacuum tube. It is usually made of sheet metal, connected to a wire which passes through the glass envelope of the tube to a terminal in the base of the tube, where it is connected to the external circuit. The plate is given a posit... | Plate electrode | Physics,Chemistry | 559 |
10,833,408 | https://en.wikipedia.org/wiki/Helium%20hydride%20ion | The helium hydride ion, hydridohelium(1+) ion, or helonium is a cation (positively charged ion) with chemical formula HeH+. It consists of a helium atom bonded to a hydrogen atom, with one electron removed. It can also be viewed as protonated helium. It is the lightest heteronuclear ion, and is believed to be the first... | Helium hydride ion | Physics,Chemistry | 2,281 |
15,032,118 | https://en.wikipedia.org/wiki/Crystal%20Island%20%28building%20project%29 | Crystal Island () is a future building project in Moscow, Russia that is planned to have around 2,500,000 square meters (27,000,000 square ft) of floor space and a height of 450 meters (1,476 ft) designed by Norman Foster. At these dimensions upon completion it would be the largest structure (in floor space) in the wor... | Crystal Island (building project) | Technology | 322 |
65,195,585 | https://en.wikipedia.org/wiki/Uthapuram%20caste%20wall | The Uthapuram caste wall, called by various names as the wall of shame, the wall of untouchability is a 12 ft high and 600 meter long wall built by dominant caste villagers reportedly to segregate the Dalit population in the Village of Uthapuram in Tamil Nadu. The village witnessed violence between Dalits and the domin... | Uthapuram caste wall | Engineering | 1,366 |
1,754,604 | https://en.wikipedia.org/wiki/SAR201 | Saudi Aramco Rig 201 is offshore rig owned and managed by Saudi Aramco. This jackup type rig is located in the Persian Gulf.
This rig was built in 1982 in Singapore and has a max drill depth of 20,000 Feet.
References
Oil platforms
Saudi Aramco | SAR201 | Chemistry,Engineering | 59 |
22,134,387 | https://en.wikipedia.org/wiki/Copper%20Salmon%20Wilderness | The Copper Salmon Wilderness is a protected wilderness area in the Southern Oregon Coast Range and is part of the Rogue River–Siskiyou National Forest. The wilderness area was created by the Omnibus Public Land Management Act of 2009, which was signed into law by President Barack Obama on March 30, 2009.
The Copper Sa... | Copper Salmon Wilderness | Biology | 235 |
77,396,603 | https://en.wikipedia.org/wiki/Mini-puberty | Mini-puberty is a transient hormonal activation of the hypothalamic-pituitary-gonadal (HPG) axis that occurs in infants shortly after birth. This period is characterized by a surge in the secretion of gonadotropins (LH and FSH) and sex steroids (testosterone in males and estradiol in females), similar to but less inten... | Mini-puberty | Biology | 1,015 |
2,775,257 | https://en.wikipedia.org/wiki/AS-Interface | Actuator Sensor Interface (AS-Interface or ASi) is an industrial networking solution (Physical Layer, Data access Method and Protocol) used in PLC, DCS and PC-based automation systems. It is designed for connecting simple field I/O devices (e.g. binary ON/OFF devices such as actuators, sensors, rotary encoders, analog ... | AS-Interface | Technology,Engineering | 2,113 |
167,001 | https://en.wikipedia.org/wiki/Concrete%20category | In mathematics, a concrete category is a category that is equipped with a faithful functor to the category of sets (or sometimes to another category). This functor makes it possible to think of the objects of the category as sets with additional structure, and of its morphisms as structure-preserving functions. Many im... | Concrete category | Mathematics | 2,127 |
67,731,438 | https://en.wikipedia.org/wiki/Odevixibat | Odevixibat, sold under the brand name Bylvay among others, is a medication for the treatment of progressive familial intrahepatic cholestasis. It is taken by mouth. Odevixibat is a reversible, potent, selective inhibitor of the ileal bile acid transporter (IBAT). It was developed by Albireo Pharma.
The most common sid... | Odevixibat | Chemistry | 1,317 |
11,718,624 | https://en.wikipedia.org/wiki/Trend%20surface%20analysis | Trend surface analysis is a mathematical technique used in environmental sciences (archeology, geology, soil science, etc.). Trend surface analysis (also called trend surface mapping) is a method based on low-order polynomials of spatial coordinates for estimating a regular grid of points from scattered observations. F... | Trend surface analysis | Mathematics | 82 |
40,138,324 | https://en.wikipedia.org/wiki/Humanities%20Indicators | The Humanities Indicators is a project of the American Academy of Arts and Sciences that provides statistical tools for answering questions about humanities education in the United States. Researchers use the Indicators to analyze primary and secondary humanities education, undergraduate and graduate education in the h... | Humanities Indicators | Technology | 271 |
15,062,704 | https://en.wikipedia.org/wiki/MNT%20%28gene%29 | MNT (Max-binding protein MNT) is a Max-binding protein that is encoded by the MNT gene
Function
The Myc/Max/Mad network comprises a group of transcription factors that co-interact to regulate gene-specific transcriptional activation or repression. This gene encodes a protein member of the Myc/Max/Mad network. This p... | MNT (gene) | Chemistry,Biology | 207 |
5,481,296 | https://en.wikipedia.org/wiki/Iterated%20binary%20operation | In mathematics, an iterated binary operation is an extension of a binary operation on a set S to a function on finite sequences of elements of S through repeated application. Common examples include the extension of the addition operation to the summation operation, and the extension of the multiplication operation to ... | Iterated binary operation | Mathematics | 867 |
2,794,117 | https://en.wikipedia.org/wiki/History%20of%20the%20Big%20Bang%20theory | The history of the Big Bang theory began with the Big Bang's development from observations and theoretical considerations. Much of the theoretical work in cosmology now involves extensions and refinements to the basic Big Bang model. The theory itself was originally formalised by Father Georges Lemaître in 1927. Hubble... | History of the Big Bang theory | Physics,Astronomy | 2,935 |
61,532 | https://en.wikipedia.org/wiki/Absolute%20convergence | In mathematics, an infinite series of numbers is said to converge absolutely (or to be absolutely convergent) if the sum of the absolute values of the summands is finite. More precisely, a real or complex series is said to converge absolutely if for some real number Similarly, an improper integral of a function, i... | Absolute convergence | Mathematics | 2,888 |
38,911,785 | https://en.wikipedia.org/wiki/Wilton%20International | Wilton International is a multi-occupancy industrial area between Eston and Redcar, North Yorkshire, England. Originally a chemical plant, it has businesses in a variety of fields including energy generation, plastic recycling and process research. It is named after a village to the south of the area.
History and occu... | Wilton International | Chemistry | 577 |
25,517,382 | https://en.wikipedia.org/wiki/Solar%20eclipse%20of%20February%2016%2C%202083 | A partial solar eclipse will occur at the Moon's ascending node of orbit on Tuesday, February 16, 2083, with a magnitude of 0.9433. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. A partial solar eclipse occurs in the... | Solar eclipse of February 16, 2083 | Astronomy | 507 |
40,646,055 | https://en.wikipedia.org/wiki/Alignment-free%20sequence%20analysis | In bioinformatics, alignment-free sequence analysis approaches to molecular sequence and structure data provide alternatives over alignment-based approaches.
The emergence and need for the analysis of different types of data generated through biological research has given rise to the field of bioinformatics. Molecular... | Alignment-free sequence analysis | Engineering,Biology | 3,828 |
75,333,139 | https://en.wikipedia.org/wiki/C17H18N6 | {{DISPLAYTITLE:C17H18N6}}
The molecular formula C17H18N6 may refer to:
Deuruxolitinib
Ruxolitinib | C17H18N6 | Chemistry | 40 |
14,346,669 | https://en.wikipedia.org/wiki/Relativistic%20speed | Relativistic speed refers to speed at which relativistic effects become significant to the desired accuracy of measurement of the phenomenon being observed. Relativistic effects are those discrepancies between values calculated by models considering and not considering relativity. Related words are velocity, rapidity, ... | Relativistic speed | Physics | 288 |
5,311,525 | https://en.wikipedia.org/wiki/Phonovision | Phonovision was a patented concept to create pre-recorded mechanically scanned television recordings on gramophone records. Attempts at developing Phonovision were undertaken in the late 1920s in London by its inventor, Scottish television pioneer John Logie Baird. The objective was not simply to record video, but to ... | Phonovision | Technology | 796 |
34,149,964 | https://en.wikipedia.org/wiki/Genic%20capture | Genic capture is a hypothesis explaining the maintenance of genetic variance in traits under sexual selection. A classic problem in sexual selection is the fixation of alleles that are beneficial under strong selection, thereby eliminating the benefits of mate choice. Genic capture resolves this paradox by suggesting t... | Genic capture | Biology | 548 |
4,664,852 | https://en.wikipedia.org/wiki/Salt%20and%20light | Salt and light are images used by Jesus in the Sermon on the Mount, one of the main teachings of Jesus on morality and discipleship. These images are in Matthew 5:13, 14, 15 and 16
The general theme of Matthew 5:13–16 is promises and expectations, and these expectations follow the promises of the first part.
The fir... | Salt and light | Chemistry | 182 |
26,712,298 | https://en.wikipedia.org/wiki/Undefined%20value | In computing (particularly, in programming), undefined value is a condition where an expression does not have a correct value, although it is syntactically correct. An undefined value must not be confused with empty string, Boolean "false" or other "empty" (but defined) values. Depending on circumstances, evaluation to... | Undefined value | Technology | 1,597 |
1,164,286 | https://en.wikipedia.org/wiki/Sea%20lettuce | The sea lettuces comprise the genus Ulva, a group of edible green algae that is widely distributed along the coasts of the world's oceans. The type species within the genus Ulva is Ulva lactuca, lactuca being Latin for "lettuce". The genus also includes the species previously classified under the genus Enteromorpha, th... | Sea lettuce | Biology | 2,300 |
496,315 | https://en.wikipedia.org/wiki/Operator%20topologies | In the mathematical field of functional analysis there are several standard topologies which are given to the algebra of bounded linear operators on a Banach space .
Introduction
Let be a sequence of linear operators on the Banach space . Consider the statement that converges to some operator on .
This could ha... | Operator topologies | Mathematics | 1,618 |
5,075,716 | https://en.wikipedia.org/wiki/Realcompact%20space | In mathematics, in the field of topology, a topological space is said to be realcompact if it is completely regular Hausdorff and it contains every point of its Stone–Čech compactification which is real (meaning that the quotient field at that point of the ring of real functions is the reals). Realcompact spaces have a... | Realcompact space | Mathematics | 500 |
17,509,366 | https://en.wikipedia.org/wiki/Alexander%20van%20Oudenaarden | Alexander van Oudenaarden (19 March 1970) is a Dutch biophysicist and systems biologist. He is a researcher in stem cell biology, specialising in single cell techniques. In 2012 he started as director of the Hubrecht Institute and was awarded three times an ERC Advanced Grant, in 2012, 2017, and 2022. He was awarded th... | Alexander van Oudenaarden | Biology | 652 |
38,669,991 | https://en.wikipedia.org/wiki/The%20Berlin%20Key | "The Berlin key or how to do words with things" is an essay by sociologist Bruno Latour that originally appeared as , , in 1993. It was later published as the first chapter in P.M. Graves-Brown's Matter, Materiality and Modern Culture.
In the 15-page chapter, written informally in third-person narrative, Latour de... | The Berlin Key | Technology | 395 |
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