id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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|---|---|---|---|---|---|
1,110,600 | https://en.wikipedia.org/wiki/Oxaloacetic%20acid | Oxaloacetic acid (also known as oxalacetic acid or OAA) is a crystalline organic compound with the chemical formula HO2CC(O)CH2CO2H. Oxaloacetic acid, in the form of its conjugate base oxaloacetate, is a metabolic intermediate in many processes that occur in animals. It takes part in gluconeogenesis, the urea cycle, t... | Oxaloacetic acid | Chemistry,Biology | 1,744 |
17,291,837 | https://en.wikipedia.org/wiki/Arsenic%20trifluoride | Arsenic trifluoride is a chemical compound of arsenic and fluorine with the chemical formula AsF3. It is a colorless liquid which reacts readily with water. Like other inorganic arsenic compounds, it is highly toxic.
Preparation and properties
It can be prepared by reacting hydrogen fluoride, HF, with arsenic trioxide... | Arsenic trifluoride | Chemistry | 334 |
46,564,590 | https://en.wikipedia.org/wiki/Dicyanamide | Dicyanamide, also known as dicyanamine, is an anion having the formula . It contains two cyanide groups bound to a central nitrogen anion. The chemical is formed by decomposition of 2-cyanoguanidine. It is used extensively as a counterion of organic and inorganic salts, and also as a reactant for the synthesis of vari... | Dicyanamide | Physics,Chemistry | 177 |
11,471,843 | https://en.wikipedia.org/wiki/Phaeosphaerella%20mangiferae | Phaeosphaerella mangiferae is a plant pathogen affecting mangoes.
See also
List of mango diseases
References
Fungal plant pathogens and diseases
Mango tree diseases
Pleosporales
Fungus species | Phaeosphaerella mangiferae | Biology | 43 |
45,508,157 | https://en.wikipedia.org/wiki/80P/Peters%E2%80%93Hartley | 80P/Peters–Hartley is a periodic comet in the Solar System with an orbital period of 8.12 years.
It was originally discovered by Christian Heinrich Friedrich Peters of Capodimonte Observatory, Naples, Italy. There was insufficient data to accurately compute the orbit, and the comet was lost for well over a hundred yea... | 80P/Peters–Hartley | Astronomy | 234 |
709,308 | https://en.wikipedia.org/wiki/Montague%20grammar | Montague grammar is an approach to natural language semantics, named after American logician Richard Montague. The Montague grammar is based on mathematical logic, especially higher-order predicate logic and lambda calculus, and makes use of the notions of intensional logic, via Kripke models. Montague pioneered this a... | Montague grammar | Mathematics | 1,098 |
86,092 | https://en.wikipedia.org/wiki/Bile | Bile (from Latin bilis), or gall, is a yellow-green/misty green fluid produced by the liver of most vertebrates that aids the digestion of lipids in the small intestine. In humans, bile is primarily composed of water, is produced continuously by the liver, and is stored and concentrated in the gallbladder. After a huma... | Bile | Chemistry,Biology | 1,784 |
56,842,208 | https://en.wikipedia.org/wiki/Fredrick%20Christian%20Sorensen%20House | The Fredrick Christian Sorensen House, on E. Center St. in Ephraim, Utah, was built in c.1870. It was listed on the National Register of Historic Places in 1980.
It is an adobe one-and-a-half-story pair-house with its front facade including one window into each of its side rooms, and window-door-window into its cente... | Fredrick Christian Sorensen House | Engineering | 113 |
41,346,435 | https://en.wikipedia.org/wiki/C9H6O6 | {{DISPLAYTITLE:C9H6O6}}
The molecular formula C9H6O6 may refer to:
Hemimellitic acid (benzene-1,2,3-tricarboxylic acid)
Trimellitic acid (benzene-1,2,4-tricarboxylic acid)
Trimesic acid (benzene-1,3,5-tricarboxylic acid)
Molecular formulas | C9H6O6 | Physics,Chemistry | 95 |
11,569,301 | https://en.wikipedia.org/wiki/Septobasidium%20bogoriense | Septobasidium bogoriense is a plant pathogen, one of a number of fungi in the genus Septobasidium responsible for the disease of tea plants known commonly as "velvet blight".
References
External links
Index Fungorum
USDA ARS Fungal Database
Fungal plant pathogens and diseases
Tea diseases
Pucciniomycotina
Taxa na... | Septobasidium bogoriense | Biology | 87 |
14,892,880 | https://en.wikipedia.org/wiki/Equinalysis | Equinalysis is a computer software program designed to capture and analyse equine locomotion by visually tracking and quantifying biomechanical data. The system was developed in 2004 by consultant farrier, Haydn Price with the intent of allowing veterinarians, farriers, horse trainers and physiotherapists to highlight ... | Equinalysis | Biology | 345 |
51,486,243 | https://en.wikipedia.org/wiki/Stone%20Village%20Historic%20District | The Stone Village Historic District encompasses a distinctive collection of stone buildings on Vermont Route 103 in Chester, Vermont, United States. Dating to the first half of the 19th century are a remarkable concentration of buildings constructed in a regionally distinctive snecked ashlar technique brought to the a... | Stone Village Historic District | Engineering | 443 |
63,755,186 | https://en.wikipedia.org/wiki/Bicycle%20counter | Bicycle counters are electronic devices that detect the number of bicycles passing by a location for a certain period of time. Some advanced counters can also detect the speed, direction, and type of bicycles. These systems are sometimes referred to as bicycle barometers, but the term is misleading because it indicates... | Bicycle counter | Mathematics,Technology,Engineering | 719 |
27,161,748 | https://en.wikipedia.org/wiki/Ground%20field | In mathematics, a ground field is a field K fixed at the beginning of the discussion.
Use
It is used in various areas of algebra:
In linear algebra
In linear algebra, the concept of a vector space may be developed over any field.
In algebraic geometry
In algebraic geometry, in the foundational developments of André ... | Ground field | Mathematics | 315 |
620,529 | https://en.wikipedia.org/wiki/Grader | A grader, also commonly referred to as a road grader, motor grader, or simply blade, is a form of heavy equipment with a long blade used to create a flat surface during grading. Although the earliest models were towed behind horses, and later tractors, most modern graders are self-propelled and thus technically "moto... | Grader | Engineering | 1,136 |
71,918,023 | https://en.wikipedia.org/wiki/Futibatinib | Futibatinib, sold under the brand name Lytgobi, is an anti-cancer medication used for the treatment of cholangiocarcinoma (bile duct cancer). It is a kinase inhibitor. It is taken by mouth.
Futibatinib was approved for medical use in the United States in September 2022, in Japan in June 2023 and in the European Union ... | Futibatinib | Chemistry | 326 |
35,306,944 | https://en.wikipedia.org/wiki/Explosive%20gas%20leak%20detector | An explosive gas leak detector is a device used to detect explosive gas leaks in enclosed spaces. Typically, a local alarm will be triggered, and optionally a remote alarm may also be connected.
Application
Carbon monoxide detectors will not detect explosive mixtures; thus the device is often recommended to complement... | Explosive gas leak detector | Chemistry | 151 |
9,028,799 | https://en.wikipedia.org/wiki/Bacteria | Bacteria (; : bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among the first life forms to appear on Earth, and are present in most of its habitats. Bacter... | Bacteria | Biology | 10,431 |
2,560,565 | https://en.wikipedia.org/wiki/Mobile%20music | Mobile music is music which can be transported, or in other words, mobile. The term itself is a quite ambiguous.
An outdated definition is as follows; 'mobile music is music which is downloaded or streamed to mobile phones and played by mobile phones. Although many phones play music as ringtones, true "music phones" g... | Mobile music | Technology | 1,277 |
3,182,990 | https://en.wikipedia.org/wiki/David%20Chilton%20Phillips | David Chilton Phillips, Baron Phillips of Ellesmere (7 March 1924 – 23 February 1999) was a pioneering, British structural biologist and an influential figure in science and government.
Education and early life
David was the son of Charles Harry Phillips, a master tailor and Methodist preacher, and his wife, Edith Ha... | David Chilton Phillips | Chemistry | 701 |
1,873,093 | https://en.wikipedia.org/wiki/Maternal%20impression | The conception of a maternal impression rests on the belief that a powerful mental (or sometimes physical) influence working on the mother's mind may produce an impression, either general or definite, on the child she is carrying. The child might be said to be "marked" as a result.
Medicine
Maternal impression, accor... | Maternal impression | Biology | 1,096 |
7,944,450 | https://en.wikipedia.org/wiki/Polyphenylsulfone | Polyphenylsulfone (PPSF or PPSU) is a high performance polymer made of aromatic rings linked by sulfone (SO2) groups.
Production
Commercially important polysulfones are prepared by condensation of 4,4'-bis(chlorophenyl)sulfone with various bisphenols. Two bisphenols for this application are bisphenol A (the polymer be... | Polyphenylsulfone | Physics,Chemistry | 260 |
342,520 | https://en.wikipedia.org/wiki/Fuel%20efficiency | Fuel efficiency (or fuel economy) is a form of thermal efficiency, meaning the ratio of effort to result of a process that converts chemical potential energy contained in a carrier (fuel) into kinetic energy or work. Overall fuel efficiency may vary per device, which in turn may vary per application, and this spectrum ... | Fuel efficiency | Physics,Mathematics,Environmental_science | 2,084 |
25,008,653 | https://en.wikipedia.org/wiki/27%20Hydrae | 27 Hydrae is a triple star system system in the equatorial constellation of Hydra, located 222 light years away from the Sun. It is visible to the naked eye as a faint, orange-hued star with a combined apparent visual magnitude of 4.82. The system is moving further from the Earth with a heliocentric radial velocity of ... | 27 Hydrae | Astronomy | 418 |
58,473,010 | https://en.wikipedia.org/wiki/Alternaria%20brassicicola | Alternaria brassicicola is a fungal necrotrophic plant pathogen that causes black spot disease on a wide range of hosts, particularly in the genus of Brassica, including a number of economically important crops such as cabbage, Chinese cabbage, cauliflower, oilseeds, broccoli and canola. Although mainly known as a sign... | Alternaria brassicicola | Biology | 2,045 |
74,532,850 | https://en.wikipedia.org/wiki/Russula%20amoenolens | Russula amoenolens, also known by its common name camembert brittlegill, is a member of the genus Russula. The species has a greyish-brown cap, with clear scoring along the edge. While inedible, the mushroom is known for its distinctive smell like camembert cheese. The mushroom often appears under oak trees from summer... | Russula amoenolens | Biology | 138 |
3,014,568 | https://en.wikipedia.org/wiki/Winter%20Hexagon | The Winter Hexagon or Winter Circle/Oval is an asterism appearing to be in the form of a hexagon with vertices at Rigel, Aldebaran, Capella, Pollux, Procyon, and Sirius. It is mostly upon the Northern Hemisphere's celestial sphere. On most locations on Earth (except the South Island of New Zealand and the south of Chil... | Winter Hexagon | Astronomy | 438 |
73,643,281 | https://en.wikipedia.org/wiki/Validation%20and%20verification%20%28medical%20devices%29 | Validation and verification are procedures that ensure that medical devices fulfil their intended purpose. Validation or verification is generally needed when a health facility acquires a new device to perform medical tests.
Validation or verification
The main difference between the two is that validation is focused o... | Validation and verification (medical devices) | Engineering | 338 |
50,104,345 | https://en.wikipedia.org/wiki/Emanuel%20Kaspar | Emanuel Kaspar (born 25 July 1915 in Berlin, died 6 February 1971 in Kamen) was a German organic chemist. He is known for inventing and patenting the synthesis of clocortolone with Rainer Philippson in 1973. The original assignee of the patent was Schering AG. Kaspar held a PhD (Dr.rer.nat.) and worked as a researcher ... | Emanuel Kaspar | Chemistry | 149 |
33,551,213 | https://en.wikipedia.org/wiki/V14%20engine | A V14 engine is a V engine with 14 cylinders mounted on the crankcase in two banks of seven cylinders. It is a very rare layout, used almost exclusively on large medium-speed diesel engines used for power generation and marine propulsion.
Marine use
MAN B&W offers V14 layout for its 32/40, 32/44CR, 48/60CR, 49/60DF, ... | V14 engine | Engineering | 301 |
18,184 | https://en.wikipedia.org/wiki/Lizard | Lizard is the common name used for all squamate reptiles other than snakes (and to a lesser extent amphisbaenians), encompassing over 7,000 species, ranging across all continents except Antarctica, as well as most oceanic island chains. The grouping is paraphyletic as some lizards are more closely related to snakes tha... | Lizard | Biology | 5,963 |
39,361,626 | https://en.wikipedia.org/wiki/George%20S.%20Whitby | George Stafford Whitby (1887–1972) was the head of the University of Akron rubber laboratory and for many years was the only person in the United States who taught rubber chemistry. Whitby received the Charles Goodyear Medal in 1954 and in 1972, he was inducted into the International Rubber Science Hall of Fame. In ... | George S. Whitby | Chemistry,Materials_science | 340 |
744,949 | https://en.wikipedia.org/wiki/C21H23NO5 | {{DISPLAYTITLE:C21H23NO5}}
The molecular formula C21H23NO5 (molar mass: 369.41 g/mol, exact mass: 369.1576 u) may refer to:
Allocryptopine
Cryptopine
Heroin, or diacetylmorphine
Molecular formulas | C21H23NO5 | Physics,Chemistry | 73 |
1,057,064 | https://en.wikipedia.org/wiki/Novo%20Nordisk | Novo Nordisk A/S is a Danish multinational pharmaceutical company headquartered in Bagsværd, Denmark with production facilities in nine countries and affiliates or offices in five countries. Novo Nordisk is controlled by majority shareholder Novo Holdings A/S which holds approximately 28% of its shares and a majority (... | Novo Nordisk | Biology | 3,672 |
4,292 | https://en.wikipedia.org/wiki/Base%20pair | A base pair (bp) is a fundamental unit of double-stranded nucleic acids consisting of two nucleobases bound to each other by hydrogen bonds. They form the building blocks of the DNA double helix and contribute to the folded structure of both DNA and RNA. Dictated by specific hydrogen bonding patterns, "Watson–Crick" (... | Base pair | Chemistry,Biology | 3,207 |
190,933 | https://en.wikipedia.org/wiki/Sunset | Sunset (or sundown) is the disappearance of the Sun at the end of the Sun path, below the horizon of the Earth (or any other astronomical object in the Solar System) due to its rotation. As viewed from everywhere on Earth, it is a phenomenon that happens approximately once every 24 hours, except in areas close to the p... | Sunset | Physics,Technology | 2,532 |
29,041,848 | https://en.wikipedia.org/wiki/Interlocking%20interval%20topology | In mathematics, and especially general topology, the interlocking interval topology is an example of a topology on the set , i.e. the set of all positive real numbers that are not positive whole numbers.
Construction
The open sets in this topology are taken to be the whole set S, the empty set ∅, and the sets genera... | Interlocking interval topology | Mathematics | 102 |
7,645,483 | https://en.wikipedia.org/wiki/Perisinusoidal%20space | The perisinusoidal space (or space of Disse) is a space between a hepatocyte, and a sinusoid in the liver. It contains the blood plasma. Microvilli of hepatocytes extend into this space, allowing proteins and other plasma components from the sinusoids to be absorbed by the hepatocytes. Fenestration and discontinuity... | Perisinusoidal space | Chemistry | 361 |
26,976,028 | https://en.wikipedia.org/wiki/ReDoS | A regular expression denial of service (ReDoS)
is an algorithmic complexity attack that produces a denial-of-service by providing a regular expression and/or an input that takes a long time to evaluate. The attack exploits the fact that many regular expression implementations have super-linear worst-case complexity; on... | ReDoS | Technology | 1,799 |
17,219,062 | https://en.wikipedia.org/wiki/NGC%201058 | NGC 1058 is a Seyfert Type 2 galaxy in the NGC 1023 Group, located in the Perseus constellation. It is approximately 27.4 million light years from Earth and has an apparent magnitude of 11.82. It is receding from Earth at , and at relative to the Milky Way.
Supernovae
Three supernovae have been observed in NGC 1058... | NGC 1058 | Astronomy | 204 |
1,117,992 | https://en.wikipedia.org/wiki/Dental%20porcelain | Dental porcelain (also known as dental ceramic) is a dental material used by dental technicians to create biocompatible lifelike dental restorations, such as crowns, bridges, and veneers. Evidence suggests they are an effective material as they are biocompatible, aesthetic, insoluble and have a hardness of 7 on the Moh... | Dental porcelain | Physics | 1,744 |
34,709,142 | https://en.wikipedia.org/wiki/Intze%20principle | The Intze Principle () is a name given to two engineering principles, both named after the hydraulic engineer, Otto Intze, (1843–1904). In the one case, the Intze Principle relates to a type of water tower; in the other, a type of dam.
Intze Principle for water towers
A water tower built in accordance with the Intze... | Intze principle | Physics,Engineering,Environmental_science | 408 |
298,408 | https://en.wikipedia.org/wiki/Brownian%20tree | In probability theory, the Brownian tree, or Aldous tree, or Continuum Random Tree (CRT) is a random real tree that can be defined from a Brownian excursion. The Brownian tree was defined and studied by David Aldous in three articles published in 1991 and 1993. This tree has since then been generalized.
This random tr... | Brownian tree | Mathematics | 755 |
5,671,511 | https://en.wikipedia.org/wiki/MS%200735.6%2B7421 | MS 0735.6+7421 is a galaxy cluster located in the constellation Camelopardalis, approximately 2.6 billion light-years away. It is notable as the location of one of the largest central galactic black holes in the known universe, which has also apparently produced one of the most powerful active galactic nucleus eruption... | MS 0735.6+7421 | Astronomy | 907 |
2,543,904 | https://en.wikipedia.org/wiki/Mixed%20threat%20attack | Regarding computer security, a mixed threat attack is an attack that uses several different tactics to infiltrate a computer user's environment. A mixed threat attack might include an infected file that comes in by way of spam or can be received by an Internet download. Mixed threat attacks try to exploit multiple vul... | Mixed threat attack | Technology | 232 |
9,759,038 | https://en.wikipedia.org/wiki/Banach%27s%20matchbox%20problem | Banach's match problem is a classic problem in probability attributed to Stefan Banach. Feller says that the problem was inspired by a humorous reference to Banach's smoking habit in a speech honouring him by Hugo Steinhaus, but that it was not Banach who set the problem or provided an answer.
Suppose a mathematicia... | Banach's matchbox problem | Mathematics | 344 |
11,570,273 | https://en.wikipedia.org/wiki/Inonotus%20dryophilus | Inonotus dryophilus is a plant pathogen.
References
External links
Index Fungorum
USDA ARS Fungal Database
Fungal plant pathogens and diseases
dryophilus
Fungi described in 1904
Fungus species | Inonotus dryophilus | Biology | 42 |
1,529,072 | https://en.wikipedia.org/wiki/European%20Space%20Astronomy%20Centre | The European Space Astronomy Centre (ESAC) near Madrid in Spain is a research centre of the European Space Agency (ESA). ESAC is the lead institution for space science (astronomy, Solar System exploration and fundamental physics) using ESA missions. It hosts the science operation centres for all ESA astronomy and plane... | European Space Astronomy Centre | Astronomy | 545 |
954,234 | https://en.wikipedia.org/wiki/Dwarf%20galaxy%20problem | The dwarf galaxy problem, also known as the missing satellites problem, arises from a mismatch between observed dwarf galaxy numbers and collisionless numerical cosmological simulations that predict the evolution of the distribution of matter in the universe. In simulations, dark matter clusters hierarchically, in ever... | Dwarf galaxy problem | Physics,Astronomy | 492 |
7,752,786 | https://en.wikipedia.org/wiki/APNPP | The APNPP, an acronym of "l’association des pays non producteurs de pétrole" (in English: the "Pan-African Non-Petroleum Producers Association"), is an association of 15 African nations that signed a treaty in July 2006.
Their stated aim is to work together to promote biofuel production and reduce the effects of high ... | APNPP | Engineering | 373 |
465,156 | https://en.wikipedia.org/wiki/Dipole%20antenna | In radio and telecommunications a dipole antenna or doublet
is one of the two simplest and most widely-used types of antenna; the other is the monopole. The dipole is any one of a class of antennas producing a radiation pattern approximating that of an elementary electric dipole with a radiating structure supporting a ... | Dipole antenna | Technology,Engineering | 10,759 |
14,273,036 | https://en.wikipedia.org/wiki/Lobster%20clasp | A lobster clasp, also known as a lobster hook, lobster claw, trigger clasp, or bocklebee clasp, is a fastener that is held closed by a spring. The lobster clasp is opened or closed by actuating a small lever, after which it is attached to (or removed from) a short link-chain or a ring-like structure. Lobster clasps are... | Lobster clasp | Technology,Engineering | 133 |
5,066,836 | https://en.wikipedia.org/wiki/Coordinated%20flight | In aviation, coordinated flight of an aircraft is flight without sideslip.
When an aircraft is flying with zero sideslip a turn and bank indicator installed on the aircraft's instrument panel usually shows the ball in the center of the spirit level. The occupants perceive no lateral acceleration of the aircraft and ... | Coordinated flight | Chemistry,Engineering | 509 |
40,467,176 | https://en.wikipedia.org/wiki/Optimus%20UI | Optimus UI is a front-end touch interface developed by LG Electronics with partners, featuring a full touch user interface. It is sometimes incorrectly identified as an operating system. Optimus UI is used internally by LG for sophisticated feature phones and tablet computers, and is not available for licensing by exte... | Optimus UI | Technology | 468 |
773,292 | https://en.wikipedia.org/wiki/Measurement%20problem | In quantum mechanics, the measurement problem is the problem of definite outcomes: quantum systems have superpositions but quantum measurements only give one definite result.
The wave function in quantum mechanics evolves deterministically according to the Schrödinger equation as a linear superposition of different s... | Measurement problem | Physics | 1,696 |
76,589,675 | https://en.wikipedia.org/wiki/Materialism%20controversy | The materialism controversy (German: ) was a debate in the mid-19th century regarding the implications for current worldviews of the natural sciences. In the 1840s, a new type of materialism was developed, influenced by the methodological advancements in biology and the decline of idealistic philosophy. This form of ma... | Materialism controversy | Physics,Technology | 6,399 |
77,231,892 | https://en.wikipedia.org/wiki/Carel%20Industries | Carel Industries is an Italian multinational company that designs, manufactures, and markets hardware and software for managing air conditioning, refrigeration, humidification, and evaporative cooling systems. Founded in 1973 in Brugine, Padua, Italy, as of 2023 it operates 15 production sites and employs over 2,500 pe... | Carel Industries | Engineering | 910 |
1,246,675 | https://en.wikipedia.org/wiki/Dead%20time | For detection systems that record discrete events, such as particle and nuclear detectors, the dead time is the time after each event during which the system is not able to record another event.
An everyday life example of this is what happens when someone takes a photo using a flash – another picture cannot be taken i... | Dead time | Physics | 1,300 |
51,518,781 | https://en.wikipedia.org/wiki/Directory-based%20cache%20coherence | In computer engineering, directory-based cache coherence is a type of cache coherence mechanism, where directories are used to manage caches in place of bus snooping. Bus snooping methods scale poorly due to the use of broadcasting. These methods can be used to target both performance and scalability of directory syste... | Directory-based cache coherence | Technology,Engineering | 1,109 |
187,801 | https://en.wikipedia.org/wiki/Shopping%20cart | A shopping cart (American English), trolley (British English, Australian English), or buggy (Southern American English, Appalachian English), also known by a variety of other names, is a wheeled cart supplied by a shop or store, especially supermarkets, for use by customers inside the premises for transport of merchand... | Shopping cart | Technology | 4,428 |
29,269,447 | https://en.wikipedia.org/wiki/Somatotropin%20family | The Somatotropin family is a protein family whose titular representative is somatotropin, also known as growth hormone, a hormone that plays an important role in growth control. Other members include choriomammotropin (lactogen), its placental analogue; prolactin, which promotes lactation in the mammary gland, and plac... | Somatotropin family | Biology | 183 |
29,728,586 | https://en.wikipedia.org/wiki/Spatial%20Archive%20and%20Interchange%20Format | The Spatial Archive and Interchange Format (SAIF, pronounced safe) was defined in the early 1990s as a self-describing, extensible format designed to support interoperability and storage of geospatial data.
SAIF dataset
SAIF has two major components that together define SAIFtalk. The first is the Class Syntax Notation... | Spatial Archive and Interchange Format | Engineering | 1,477 |
2,915,421 | https://en.wikipedia.org/wiki/John%20Adams%20Whipple | John Adams Whipple (September 10, 1822 – April 10, 1891) was an American inventor and early photographer. He was the first in the United States to manufacture the chemicals used for daguerreotypes. He pioneered astronomical and night photography. He was a prize-winner for his extraordinary early photographs of the moo... | John Adams Whipple | Astronomy | 661 |
1,697,186 | https://en.wikipedia.org/wiki/DVB-H | DVB-H (digital video broadcasting - handheld) is one of three prevalent mobile TV formats. It is a technical specification for bringing broadcast services to mobile handsets. DVB-H was formally adopted as ETSI standard EN 302 304 in November 2004. The DVB-H specification (EN 302 304) can be downloaded from the official... | DVB-H | Technology,Engineering | 3,229 |
2,150,535 | https://en.wikipedia.org/wiki/PGPfone | PGPfone was a secure voice telephony system developed by Philip Zimmermann in 1995. The PGPfone protocol had little in common with Zimmermann's popular PGP email encryption package, except for the use of the name. It used ephemeral Diffie-Hellman protocol to establish a session key, which was then used to encrypt the... | PGPfone | Mathematics | 317 |
70,573,417 | https://en.wikipedia.org/wiki/Leray%E2%80%93Schauder%20degree | In mathematics, the Leray–Schauder degree is an extension of the degree of a base point preserving continuous map between spheres or equivalently to boundary-sphere-preserving continuous maps between balls to boundary-sphere-preserving maps between balls in a Banach space , assuming that the map is of the form where... | Leray–Schauder degree | Physics,Mathematics | 115 |
58,071,400 | https://en.wikipedia.org/wiki/Marlin%20%28firmware%29 | Marlin is open source firmware originally designed for RepRap project FDM (fused deposition modeling) 3D printers using the Arduino platform.
Marlin supports many different types of 3D printing robot platforms, including basic Cartesian, Core XY, Delta, and SCARA printers, as well as some other less conventional desig... | Marlin (firmware) | Engineering,Biology | 1,183 |
27,942,602 | https://en.wikipedia.org/wiki/Camelopardalis%20in%20Chinese%20astronomy | According to traditional Chinese uranography, the modern constellation Camelopardalis is located in Three Enclosures (三垣, Sān Yuán)
The name of the western constellation in modern Chinese is 鹿豹座 (lù bào zuò), meaning "the leopard-deer constellation".
Stars
The map of Chinese constellation in constellation Cameloparda... | Camelopardalis in Chinese astronomy | Astronomy | 157 |
49,338,480 | https://en.wikipedia.org/wiki/Apache%20SystemDS | Apache SystemDS (Previously, Apache SystemML) is an open source ML system for the end-to-end data science lifecycle.
SystemDS's distinguishing characteristics are:
Algorithm customizability via R-like and Python-like languages.
Multiple execution modes, including Standalone, Spark Batch, Spark MLContext, Hadoop Ba... | Apache SystemDS | Technology | 1,458 |
54,632,469 | https://en.wikipedia.org/wiki/Halorubrum%20lacusprofundi | Halorubrum lacusprofundi is a rod-shaped, halophilic Archaeon in the family of Halorubraceae. It was first isolated from Deep Lake in Antarctica in the 1980s.
Genome
Several strains of H. lacusprofundi have been discovered. The genome sequencing of the strain ACAM 32 was completed in 2008. The organism's genome consis... | Halorubrum lacusprofundi | Biology | 230 |
3,285,287 | https://en.wikipedia.org/wiki/Bushy-tailed%20opossum | The bushy-tailed opossum (Glironia venusta) is an opossum from South America. It was first described by English zoologist Oldfield Thomas in 1912. It is a medium-sized opossum characterized by a large, oval, dark ears, fawn to cinnamon coat with a buff to gray underside, grayish limbs, and a furry tail. Little is known... | Bushy-tailed opossum | Biology | 1,039 |
74,284,664 | https://en.wikipedia.org/wiki/9855 | 9855 (nine thousand eight hundred fifty-five) is an odd, composite, four-digit number. The number 9855 is the magic constant of an n × n normal magic square as well as n-Queens Problem for n = 27. It can be expressed as the product of its prime factors:
9855 is also the Magic constant of a Magic square of order 27. I... | 9855 | Mathematics | 256 |
52,279,775 | https://en.wikipedia.org/wiki/Dependent%20component%20analysis | Dependent component analysis (DCA) is a blind signal separation (BSS) method and an extension of Independent component analysis (ICA). ICA is the separating of mixed signals to individual signals without knowing anything about source signals. DCA is used to separate mixed signals into individual sets of signals that a... | Dependent component analysis | Technology,Engineering | 459 |
28,066,214 | https://en.wikipedia.org/wiki/Licensed%20behavior%20analyst | A licensed behavior analyst is a type of behavioral health professional in the United States. They have at least a master's degree, and sometimes a doctorate, in behavior analysis or a related field. Behavior analysts apply radical behaviorism, or applied behavior analysis, to people.
Defining the scope of practice
T... | Licensed behavior analyst | Biology | 1,539 |
23,205,672 | https://en.wikipedia.org/wiki/Maslach%20Burnout%20Inventory | The Maslach Burnout Inventory (MBI) is a psychological assessment instrument comprising 22 symptom items pertaining to occupational burnout. The original form of the MBI was developed by Christina Maslach and Susan E. Jackson with the goal of assessing an individual's experience of burnout. As underlined by Schaufeli (... | Maslach Burnout Inventory | Biology | 1,737 |
32,751,590 | https://en.wikipedia.org/wiki/Flavocytochrome%20c%20sulfide%20dehydrogenase | Flavocytochrome c sulfide dehydrogenase, also known as Sulfide-cytochrome-c reductase (flavocytochrome c) (), is an enzyme with systematic name hydrogen-sulfide:flavocytochrome c oxidoreductase. It is found in sulfur-oxidising bacteria such as the purple phototrophic bacteria Allochromatium vinosum. This enzyme catalys... | Flavocytochrome c sulfide dehydrogenase | Biology | 362 |
3,877,767 | https://en.wikipedia.org/wiki/Describing%20function | In control systems theory, the describing function (DF) method, developed by Nikolay Mitrofanovich Krylov and Nikolay Bogoliubov in the 1930s, and extended by Ralph Kochenburger is an approximate procedure for analyzing certain nonlinear control problems. It is based on quasi-linearization, which is the approximatio... | Describing function | Mathematics | 1,312 |
17,800,165 | https://en.wikipedia.org/wiki/Dendronized%20polymer | In polymer chemistry and materials science, dendronized polymers (British English: dendronised polymers; ) are linear polymers to every repeat unit of which dendrons are attached. Dendrons are regularly-branched, tree-like fragments and for larger ones the polymer backbone is wrapped to give sausage-like, cylindrical m... | Dendronized polymer | Physics,Chemistry,Materials_science | 801 |
415,691 | https://en.wikipedia.org/wiki/Pith | Pith, or medulla, is a tissue in the stems of vascular plants. Pith is composed of soft, spongy parenchyma cells, which in some cases can store starch. In eudicotyledons, pith is located in the center of the stem. In monocotyledons, it extends only into roots. The pith is encircled by a ring of xylem; the xylem, in tur... | Pith | Biology | 707 |
33,700,606 | https://en.wikipedia.org/wiki/Schrat | The Schrat () or Schratt, also Schraz or Waldschrat (forest Schrat), is a rather diverse German and Slavic legendary creature with aspects of either a wood sprite, domestic sprite and a nightmare demon. In other languages it is further known as Skrat.
Etymology
The word Schrat originates in the same word root as Old... | Schrat | Biology | 5,826 |
51,779,301 | https://en.wikipedia.org/wiki/Jetset%20Magazine | Jetset Magazine is an American lifestyle magazine founded in 2006, aimed at those with an affluent lifestyle. It is available as a quarterly print magazine and is distributed in private jets, private yachts, private jet terminals, yacht charters, exclusive resorts and events around the world. It is also available onlin... | Jetset Magazine | Engineering | 509 |
24,469,423 | https://en.wikipedia.org/wiki/Beaver%20pipe | Beaver pipes are a non-destructive flow devices, a way of controlling beaver activity in an ecosystem. The process of building beaver pipes is quite simple, and often serves as a permanent way to prevent beavers from damming water.
Enzo Creek Nature Sanctuary
Managers of the watershed of the Enzo Creek Nature Sanctuar... | Beaver pipe | Biology | 269 |
1,528,827 | https://en.wikipedia.org/wiki/330%20Adalberta | 330 Adalberta (prov. designation: ) is a stony asteroid from the inner regions of the asteroid belt, approximately 9.5 kilometers in diameter. It is likely named for either Adalbert Merx or Adalbert Krüger. It was discovered by Max Wolf in 1910. In the 1980s, the asteroid's permanent designation was reassigned from the... | 330 Adalberta | Astronomy | 624 |
51,529,881 | https://en.wikipedia.org/wiki/Nuclear%20calcium | The concentration of calcium in the cell nucleus can increase in response to signals from the environment. Nuclear calcium is an evolutionary conserved potent regulator of gene expression that allows cells to undergo long-lasting adaptive responses. The 'Nuclear Calcium Hypothesis’ by Hilmar Bading describes nuclear ca... | Nuclear calcium | Chemistry,Biology | 166 |
9,211,582 | https://en.wikipedia.org/wiki/Cochliobolus%20miyabeanus | Cochliobolus miyabeanus (teleomorph, formerly known as Helminthosporium oryzae, anamorph Bipolaris oryzae) is a fungus that causes brown spot disease in rice.
It was considered for use by the US as a biological weapon against Japan during World War II.
Hosts and symptoms
Brown spot of rice is a plant fungal disease ... | Cochliobolus miyabeanus | Biology | 1,173 |
71,409,538 | https://en.wikipedia.org/wiki/Necrobotics | Necrobotics is the practice of using biotic materials (or dead organisms) as robotic components. In July 2022, researchers in the Preston Innovation Lab at Rice University in Houston, Texas published a paper in Advanced Science introducing the concept and demonstrating its capability by repurposing dead spiders as robo... | Necrobotics | Engineering | 1,336 |
75,453,455 | https://en.wikipedia.org/wiki/Cyclin%20E/Cdk2 | The Cyclin E/Cdk2 complex is a structure composed of two proteins, cyclin E and cyclin-dependent kinase 2 (Cdk2). Similar to other cyclin/Cdk complexes, the cyclin E/Cdk2 dimer plays a crucial role in regulating the cell cycle, with this specific complex peaking in activity during the G1/S transition. Once the cyclin a... | Cyclin E/Cdk2 | Chemistry | 1,792 |
1,508,678 | https://en.wikipedia.org/wiki/Kansei%20engineering | Kansei engineering (Japanese: 感性工学 kansei kougaku, emotional or affective engineering) aims at the development or improvement of products and services by translating the customer's psychological feelings and needs into the domain of product design (i.e. parameters). It was founded by Mitsuo Nagamachi, professor emeritu... | Kansei engineering | Engineering | 2,192 |
61,198,269 | https://en.wikipedia.org/wiki/OpenPsych | OpenPsych is an online collection of three pseudoscientific open access journals covering behavioral genetics, psychology, and quantitative research in sociology. Many articles on OpenPsych promote scientific racism, and the site has been described as a "pseudoscience factory-farm". The journals were started in 2014 by... | OpenPsych | Biology | 994 |
59,511,062 | https://en.wikipedia.org/wiki/Aitken%20interpolation | Aitken interpolation is an algorithm used for polynomial interpolation that was derived by the mathematician Alexander Aitken. It is similar to Neville's algorithm.
See also Aitken's delta-squared process or Aitken extrapolation.
External links
Polynomials
Interpolation | Aitken interpolation | Mathematics | 62 |
1,493,763 | https://en.wikipedia.org/wiki/Nike-Iroquois | Nike Iroquois is the designation of a two-stage American sounding rocket. The Nike Iroquois was launched 213 times between 1964 and 1978. The maximum flight height of the Nike Iroquois amounts to 290 km (950,000 ft), the takeoff thrust 48,800 lbf (217 kN), the takeoff weight 700 kg and the length 8.00 m.
References
... | Nike-Iroquois | Astronomy | 86 |
226,096 | https://en.wikipedia.org/wiki/List%20of%20aircraft%20by%20date%20and%20usage%20category | This is a list of aircraft by date and usage. The date shown is the introduction of the first model of a line but not the current model. For instance, while "the most popular" aircraft, such as Boeing 737 and 747 were introduced in 1960x, their recent models were revealed in the 21st century.
Civil aircraft
Civil ai... | List of aircraft by date and usage category | Physics | 119 |
64,555,856 | https://en.wikipedia.org/wiki/Melotte%20186 | Melotte 186 (also known as Collinder 359) is a large, loosely bound open cluster located in the constellation Ophiuchus. It has an apparent magnitude of 3.0 and an approximate size of 240 arc-minutes.
History
Due to its enormous size, this cluster was never recognized as such before the 20th century. The British astro... | Melotte 186 | Astronomy | 597 |
13,906,212 | https://en.wikipedia.org/wiki/Methylketobemidone | Methylketobemidone is an opioid analgesic that is an analogue of ketobemidone. It was developed in the 1950s during research into analogues of pethidine and was assessed by the United Nations Office on Drugs and Crime but was not included on the list of drugs under international control, probably because it was not use... | Methylketobemidone | Chemistry | 244 |
47,255,513 | https://en.wikipedia.org/wiki/Benzyltriethylammonium%20hydroxide | Benzyltriethylammonium hydroxide is a quaternary ammonium salt that functions as an organic base.
Uses
Together with benzyltrimethylammonium hydroxide, salts of benzyltriethylammonium are common phase-transfer catalysts.
References
Hydroxides
Quaternary ammonium compounds
Reagents for organic chemistry
Benzyl compo... | Benzyltriethylammonium hydroxide | Chemistry | 75 |
37,644,682 | https://en.wikipedia.org/wiki/Advances%20and%20Applications%20in%20Bioinformatics%20and%20Chemistry | Advances and Applications in Bioinformatics and Chemistry is a peer-reviewed scientific journal covering research in bioinformatics, especially as applied to chemistry, including computational biomodeling, molecular modeling, and systems biology. It was established in 2008 and is published by Dove Medical Press.
Exter... | Advances and Applications in Bioinformatics and Chemistry | Biology | 82 |
31,495,595 | https://en.wikipedia.org/wiki/Apollonicon | The Apollonicon was a self-acting barrel organ, built by the English Organ builders Flight & Robson in London and presented to the public the first time in 1817. Said to have been the biggest barrel and finger organ ever built, it was an automatic playing machine with about 1,900 pipes and 45 organ stops. It was inspir... | Apollonicon | Physics,Technology | 463 |
12,506,327 | https://en.wikipedia.org/wiki/Saint%20Croix%20racer | The Saint Croix racer (Borikenophis sanctaecrucis) is a possibly extinct species of snake in the family Colubridae that is endemic to the island of Saint Croix in the United States Virgin Islands.
Etymology
The specific name, sanctaecrucis, refers to the island of Saint Croix, on which the holotype was collected.
Des... | Saint Croix racer | Biology | 690 |
20,306,367 | https://en.wikipedia.org/wiki/George%20W.%20Housner | George W. Housner (December 9, 1910 in Saginaw, Michigan – November 10, 2008 in Pasadena, California) was a professor of earthquake engineering at the California Institute of Technology and National Medal of Science laureate.
Biography
Housner received his bachelor's degree in civil engineering from the University of ... | George W. Housner | Engineering | 492 |
40,790,542 | https://en.wikipedia.org/wiki/Heteroscorpine | Heteroscopine (HS-1) is the main component of the venom of Heterometrus laoticus. It belongs to the Scorpine toxin family. It is a polypeptide consisting of a defensin-like component on its N-terminal end and a putative potassium channel blocking component on its C-terminal end. It has antimicrobial effect on some bact... | Heteroscorpine | Chemistry | 576 |
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