id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
values | token_count int64 3 51.8k |
|---|---|---|---|---|---|
14,641,222 | https://en.wikipedia.org/wiki/Longitudinal%20stability | In flight dynamics, longitudinal stability is the stability of an aircraft in the longitudinal, or pitching, plane. This characteristic is important in determining whether an aircraft pilot will be able to control the aircraft in the pitching plane without requiring excessive attention or excessive strength.
The longi... | Longitudinal stability | Engineering | 2,227 |
55,547,754 | https://en.wikipedia.org/wiki/Huawei%20Mate%2010 | The Huawei Mate 10, Huawei Mate 10 Pro and Huawei Mate 10 Lite are Android smartphones designed and marketed by Huawei as part of the Huawei Mate series. There is also a Mate 10 Porsche design, which has 256 GB of storage but is otherwise identical to the Mate 10 Pro. They were first released on 16 October 2017. Versu... | Huawei Mate 10 | Technology | 2,999 |
15,586,403 | https://en.wikipedia.org/wiki/Boreas%20%28journal%29 | Boreas is a peer-reviewed academic journal that has been published on behalf of the Collegium Boreas since 1972. The journal covers all branches of quaternary research, including biological and non-biological aspects of the quaternary environment in both glaciated and non-glaciated areas. Formerly published by Taylor &... | Boreas (journal) | Environmental_science | 135 |
396,028 | https://en.wikipedia.org/wiki/%C3%89tienne%20Geoffroy%20Saint-Hilaire | Étienne Geoffroy Saint-Hilaire (; 15 April 177219 June 1844) was a French naturalist who established the principle of "unity of composition". He was a colleague of Jean-Baptiste Lamarck and expanded and defended Lamarck's evolutionary theories. Geoffroy's scientific views had a transcendental flavor (unlike Lamarck's... | Étienne Geoffroy Saint-Hilaire | Biology | 2,059 |
52,912,473 | https://en.wikipedia.org/wiki/Multiverse%20%28set%20theory%29 | In mathematical set theory, the multiverse view is that there are many models of set theory, but no "absolute", "canonical" or "true" model. The various models are all equally valid or true, though some may be more useful or attractive than others. The opposite view is the "universe" view of set theory in which all set... | Multiverse (set theory) | Mathematics | 244 |
9,476 | https://en.wikipedia.org/wiki/Electron | The electron (, or in nuclear reactions) is a subatomic particle with a negative one elementary electric charge. Electrons belong to the first generation of the lepton particle family, and are generally thought to be elementary particles because they have no known components or substructure. The electron's mass is app... | Electron | Physics,Chemistry,Materials_science | 10,984 |
11,066,871 | https://en.wikipedia.org/wiki/Font%20editor | A font editor is a class of application software specifically designed to create or modify font files. Font editors differ greatly depending on if they are designed to edit bitmap fonts or outline fonts. Most modern font editors deal with the outline fonts. Bitmap fonts uses an older technology and are most commonly us... | Font editor | Technology | 180 |
44,086,763 | https://en.wikipedia.org/wiki/Merton%20Sandler | Merton Sandler (28 March 1926 – 24 August 2014) was a British professor of chemical pathology and a pioneer in biological psychiatry.
Education and career
Sandler grew up in an observant Jewish family in Salford. He studied at the Manchester Grammar School having won a scholarship, before studying medicine at the Univ... | Merton Sandler | Chemistry | 347 |
40,317,384 | https://en.wikipedia.org/wiki/Cyclotruncated%207-simplex%20honeycomb | In seven-dimensional Euclidean geometry, the cyclotruncated 7-simplex honeycomb is a space-filling tessellation (or honeycomb). The tessellation fills space by 7-simplex, truncated 7-simplex, bitruncated 7-simplex, and tritruncated 7-simplex facets. These facet types occur in proportions of 1:1:1:1 respectively in the ... | Cyclotruncated 7-simplex honeycomb | Physics,Chemistry,Materials_science | 348 |
55,763,499 | https://en.wikipedia.org/wiki/Fire%20and%20carbon%20cycling%20in%20boreal%20forests | Terrestrial ecosystems found in the boreal (or taiga) regions of North America and Eurasia cover 17% of the Earth's land surface, and contain more than 30% of all carbon present in the terrestrial biome. In terms of carbon storage, the boreal region consists of three ecosystems: boreal forest, peatland, and tundra. Vas... | Fire and carbon cycling in boreal forests | Chemistry | 1,160 |
11,598,476 | https://en.wikipedia.org/wiki/Biebrich%20scarlet | Biebrich scarlet (C.I. 26905) is a molecule used in Lillie's trichrome. It is an anionic mono-azo dye, which is an important pigmenting agent in the textile and paper industries, used to color wool, silk, cotton, and papers. The dye was created in 1878 by the German chemist Rudolf Nietzki. He was employed by Kalle & Co... | Biebrich scarlet | Chemistry,Biology | 836 |
45,367,190 | https://en.wikipedia.org/wiki/Penicillium%20corynephorum | Penicillium corynephorum is an anamorph species of the genus of Penicillium.
See also
List of Penicillium species
References
Further reading
corynephorum
Fungi described in 1985
Fungus species | Penicillium corynephorum | Biology | 48 |
6,007,184 | https://en.wikipedia.org/wiki/Pro-simplicial%20set | In mathematics, a pro-simplicial set is an inverse system of simplicial sets.
A pro-simplicial set is called pro-finite if each term of the inverse system of simplicial sets has finite homotopy groups.
Pro-simplicial sets show up in shape theory, in the study of localization and completion in homotopy theory, and in ... | Pro-simplicial set | Mathematics | 116 |
6,066,467 | https://en.wikipedia.org/wiki/Itsy%20Pocket%20Computer | The Itsy Pocket Computer is a small, low-power, handheld device with a highly flexible interface. It was designed at Digital Equipment Corporation's Western Research Laboratory in Palo Alto to encourage novel user interface development—for example, it had accelerometers to detect movement and orientation as early as 19... | Itsy Pocket Computer | Technology | 397 |
54,660,742 | https://en.wikipedia.org/wiki/LRRC8B | Leucine-rich repeat-containing protein 8B is a protein that in humans is encoded by the LRRC8B gene. Researchers have found out that this protein, along with the other LRRC8 proteins LRRC8A, LRRC8C, LRRC8D, and LRRC8E, is sometimes a subunit of the heteromer protein volume-regulated anion channel (VRAC). VRACs are cruc... | LRRC8B | Chemistry | 313 |
40,409,788 | https://en.wikipedia.org/wiki/Convolutional%20neural%20network | A convolutional neural network (CNN) is a regularized type of feed-forward neural network that learns features by itself via filter (or kernel) optimization. This type of deep learning network has been applied to process and make predictions from many different types of data including text, images and audio. Convolutio... | Convolutional neural network | Engineering | 12,456 |
41,989,305 | https://en.wikipedia.org/wiki/In%20vivo%20bioreactor | The in vivo bioreactor is a tissue engineering paradigm that uses bioreactor methodology to grow neotissue in vivo that augments or replaces malfunctioning native tissue. Tissue engineering principles are used to construct a confined, artificial bioreactor space in vivo that hosts a tissue scaffold and key biomolecules... | In vivo bioreactor | Chemistry,Engineering,Biology | 2,212 |
18,095,472 | https://en.wikipedia.org/wiki/HD%2082205 | HD 82205 (HR 3770) is a solitary star in the southern constellation Antlia. It is faintly visible to the naked eye with an apparent magnitude of 5.48 and is estimated to be 810 light years distant based on parallax measurements. However, it is receding with a heliocentric radial velocity of .
HD 82205 has a general s... | HD 82205 | Astronomy | 289 |
53,242,630 | https://en.wikipedia.org/wiki/Penny%20graph | In geometric graph theory, a penny graph is a contact graph of unit circles. It is formed from a collection of unit circles that do not cross each other, by creating a vertex for each circle and an edge for every pair of tangent circles. The circles can be represented physically by pennies, arranged without overlapping... | Penny graph | Mathematics | 1,237 |
2,356,196 | https://en.wikipedia.org/wiki/C%20Sharp%20%28programming%20language%29 | C# ( ) is a general-purpose high-level programming language supporting multiple paradigms. C# encompasses static typing, strong typing, lexically scoped, imperative, declarative, functional, generic, object-oriented (class-based), and component-oriented programming disciplines.
The principal inventors of the C# progra... | C Sharp (programming language) | Technology | 7,025 |
567,667 | https://en.wikipedia.org/wiki/Lexicographic%20order | In mathematics, the lexicographic or lexicographical order (also known as lexical order, or dictionary order) is a generalization of the alphabetical order of the dictionaries to sequences of ordered symbols or, more generally, of elements of a totally ordered set.
There are several variants and generalizations of the... | Lexicographic order | Mathematics | 3,342 |
914,901 | https://en.wikipedia.org/wiki/Sard%27s%20theorem | In mathematics, Sard's theorem, also known as Sard's lemma or the Morse–Sard theorem, is a result in mathematical analysis that asserts that the set of critical values (that is, the image of the set of critical points) of a smooth function f from one Euclidean space or manifold to another is a null set, i.e., it has Le... | Sard's theorem | Mathematics | 584 |
14,289,045 | https://en.wikipedia.org/wiki/Sodium%20alum | Sodium aluminium sulfate is the inorganic compound with the chemical formula NaAl(SO4)2·12H2O (sometimes written Na2SO4·Al2(SO4)3·24H2O). Also known as soda alum, sodium alum, or SAS, this white solid is used in the manufacture of baking powder and as a food additive. Its official mineral name is alum-Na (IMA symbol:... | Sodium alum | Chemistry | 492 |
27,839,280 | https://en.wikipedia.org/wiki/General%20Relativity%20and%20Gravitation | General Relativity and Gravitation is a monthly peer-reviewed scientific journal. It was established in 1970, and is published by Springer Science+Business Media under the auspices of the International Society on General Relativity and Gravitation. The two editors-in-chief are Pablo Laguna and Mairi Sakellariadou; form... | General Relativity and Gravitation | Physics | 365 |
78,006,672 | https://en.wikipedia.org/wiki/Dosage%20%28pharmacology%29 | In pharmacology and medicine, dosage refers to the prescribed regimen for administering a medication or substance, encompassing the amount, frequency, and duration of use. It is distinct from dose, which denotes a single, specific quantity of a drug or substance given at one time. Dosage typically includes information ... | Dosage (pharmacology) | Chemistry | 129 |
61,759,328 | https://en.wikipedia.org/wiki/Ascosphaera%20aggregata | Ascosphaera aggregata is a species of fungus.
History and taxonomy
Ascosphaera aggregata, discovered in 1975 by Jens-Peder Skou is a fungus that is related to Ascosphaera apis.
Habitat and ecology
Ascosphaera aggregata is an obligate parasite that causes chalkbrood in bees, symptom manifestations differ depending on ... | Ascosphaera aggregata | Biology | 1,093 |
199,772 | https://en.wikipedia.org/wiki/Concept%20testing | Concept testing (to be distinguished from pre-test markets and test markets which may be used at a later stage of product development research) is the process of using surveys (and sometimes qualitative methods) to evaluate consumer acceptance of a new product idea prior to the introduction of a product to the market. ... | Concept testing | Technology,Engineering | 1,377 |
34,775,279 | https://en.wikipedia.org/wiki/Enriques%E2%80%93Babbage%20theorem | In algebraic geometry, the Enriques–Babbage theorem states that a canonical curve is either a set-theoretic intersection of quadrics, or trigonal, or a plane quintic. It was proved by and .
References
Algebraic curves
Theorems in algebraic geometry | Enriques–Babbage theorem | Mathematics | 58 |
1,058,554 | https://en.wikipedia.org/wiki/CK722 | The CK722 was the first low-cost junction transistor available to the general public. It was a PNP germanium small-signal unit. Developed by Norman Krim, it was introduced by Raytheon in early 1953 for $7.60 each; the price was reduced to $3.50 in late 1954 and to $0.99 in 1956. Norm Krim selected Radio Shack to sell t... | CK722 | Engineering | 846 |
53,502,953 | https://en.wikipedia.org/wiki/Skysite | Skysite, stylized as SKYSITE, is a document management platform designed for construction and facility owners and managers. The cloud-based drawing management and distribution software allows the management of documents related to construction projects. Skysite includes features like RFI, Punch List and photo managemen... | Skysite | Engineering | 585 |
55,197,783 | https://en.wikipedia.org/wiki/Cells%20%28journal%29 | Cells is a monthly peer-reviewed open-access scientific journal that covers all aspects of cell and molecular biology, and biophysics. It was established in 2012 and is published by MDPI. The founding editor-in-chief is Alexander E. Kalyuzhny (University of Minnesota) who was joined by Cord Brakebusch (University of Co... | Cells (journal) | Chemistry | 161 |
32,098,871 | https://en.wikipedia.org/wiki/Ternary%20fission | Ternary fission is a comparatively rare (0.2 to 0.4% of events) type of nuclear fission in which three charged products are produced rather than two. As in other nuclear fission processes, other uncharged particles such as multiple neutrons and gamma rays are produced in ternary fission.
Ternary fission may happen du... | Ternary fission | Physics,Chemistry | 949 |
52,503,905 | https://en.wikipedia.org/wiki/Kalai%20Prize | The Prize in Game Theory and Computer Science in Honour of Ehud Kalai is an award given by the Game Theory Society. The prize is awarded for outstanding articles at the interface of game theory and computer science. Following the eligibility rules of the Gödel Prize, preference is given to authors who are 45 years old ... | Kalai Prize | Technology | 132 |
2,363,262 | https://en.wikipedia.org/wiki/IBM%20805%20Test%20Scoring%20Machine | The IBM 805 Test Scoring Machine was an educational machine sold by IBM beginning in 1937. The device scored answer sheets marked with special "mark sense" pencils. The machine was developed from a prototype developed by Reynold Johnson, a school teacher who later became an IBM engineer. That machine and its descenda... | IBM 805 Test Scoring Machine | Technology | 116 |
29,827,545 | https://en.wikipedia.org/wiki/Tuck-in%20complex | In organometallic chemistry, a tuck-in complex usually refers to derivatives of Cp* ligands wherein a methyl group is deprotonated and the resulting methylene attaches to the metal. The C5–CH2–M angle is acute. The term "tucked in" was coined to describe derivatives of organotungsten complexes. Although most "tucked-i... | Tuck-in complex | Chemistry | 521 |
22,782,409 | https://en.wikipedia.org/wiki/Gary%20Chartrand | Gary Theodore Chartrand (born 1936) is an American-born mathematician who specializes in graph theory. He is known for his textbooks on introductory graph theory and for the concept of a
highly irregular graph.
Biography
Gary Chartrand was born in 1936. He was raised in Sault Ste. Marie, Michigan and attended J. W. S... | Gary Chartrand | Mathematics | 616 |
32,226,257 | https://en.wikipedia.org/wiki/Hidden%20character%20stone | Hidden Character Stone () is a stone located in a scenic area in the town of Zhangbu (), Pingtang County, Qiannan Buyei and Miao Autonomous Prefecture, Guizhou. The stone features several glyph-like patterns on its surface that have been tentatively identified as Simplified Chinese characters or Traditional Chinese ch... | Hidden character stone | Physics | 965 |
25,948 | https://en.wikipedia.org/wiki/Refraction | In physics, refraction is the redirection of a wave as it passes from one medium to another. The redirection can be caused by the wave's change in speed or by a change in the medium. Refraction of light is the most commonly observed phenomenon, but other waves such as sound waves and water waves also experience refract... | Refraction | Physics | 2,442 |
47,843,991 | https://en.wikipedia.org/wiki/Inonotus%20rigidus | Inonotus rigidus is a species of fungus in the family Hymenochaetaceae. It is distinguished by its resupinate and rigid basidiocarps, its yellow pore surface, being microscopically ellipsoid and yellowish brown, its thick-walled basidiospores, and by lacking both setal hyphae and hymenial setae.
References
Further re... | Inonotus rigidus | Biology | 172 |
13,961,210 | https://en.wikipedia.org/wiki/Stack%20resource%20policy | The Stack Resource Policy (SRP) is a resource allocation policy used in real-time computing, used for accessing shared resources when using earliest deadline first scheduling. It was defined by T. P. Baker. SRP is not the same as the Priority ceiling protocol which is for fixed priority tasks (FP).
Function
Each ta... | Stack resource policy | Technology | 388 |
47,423,949 | https://en.wikipedia.org/wiki/Suillus%20abietinus | Suillus abietinus is a species of edible mushroom in the genus Suillus. Found in Greece, it was described as new to science in 1970 by Maria Pantidou and Roy Watling from collections made in Vytina, Arkadia.
References
External links
abietinus
Fungi of Europe
Fungi described in 1970
Fungus species | Suillus abietinus | Biology | 69 |
3,566,788 | https://en.wikipedia.org/wiki/Yips | In sports, the yips are a sudden and unexplained loss of ability to execute certain skills in experienced athletes. Symptoms of the yips are losing fine motor skills and psychological issues that impact the muscle memory and decision-making of athletes, leaving them unable to perform basic skills of their sport.
The e... | Yips | Biology | 2,392 |
507,208 | https://en.wikipedia.org/wiki/Double%20factorial | In mathematics, the double factorial of a number , denoted by , is the product of all the positive integers up to that have the same parity (odd or even) as . That is,
Restated, this says that for even , the double factorial is
while for odd it is
For example, . The zero double factorial as an empty product.
The... | Double factorial | Mathematics | 2,149 |
11,935,111 | https://en.wikipedia.org/wiki/STAT4 | Signal transducer and activator of transcription 4 (STAT4) is a transcription factor belonging to the STAT protein family, composed of STAT1, STAT2, STAT3, STAT4, STAT5A, STAT5B, STAT6. STAT proteins are key activators of gene transcription which bind to DNA in response to cytokine gradient. STAT proteins are a common ... | STAT4 | Chemistry,Biology | 1,276 |
60,139,975 | https://en.wikipedia.org/wiki/Canadian%20Internet%20Handbook | The Canadian Internet Handbook was a series of non-fiction books written by Jim Carroll and Rick Broadhead. It was first published in March 1994 aimed at an audience new to computers, describing the basics of how to use the Internet. Books contained information on what the Internet is, how to get connected, how it work... | Canadian Internet Handbook | Technology | 183 |
9,833,385 | https://en.wikipedia.org/wiki/Butt%20welding | Butt welding is when two pieces of metal are placed end-to-end without overlap and then welded along the joint (as opposed to lap joint weld, where one piece of metal is laid on top of the other, or plug welding, where one piece of metal is inserted into the other). Importantly, in a butt joint, the surfaces of the wor... | Butt welding | Engineering | 1,081 |
25,887,632 | https://en.wikipedia.org/wiki/Psilocybe%20rostrata | Psilocybe rostrata is a species of mushroom in the family Hymenogastraceae.
See also
List of Psilocybin mushrooms
Psilocybin mushrooms
Psilocybe
References
Entheogens
Psychoactive fungi
rostrata
Psychedelic tryptamine carriers
Fungi of North America
Fungus species | Psilocybe rostrata | Biology | 64 |
23,652,872 | https://en.wikipedia.org/wiki/C8H8O2 | {{DISPLAYTITLE:C8H8O2}}
The molecular formula C8H8O2 may refer to:
Anisaldehyde (p-anisaldehyde)
Benzodioxan
3,4-Dihydroxystyrene
3-Hydroxyacetophenone
2-Hydroxy-4-methylbenzaldehyde
4-Hydroxyphenylacetaldehyde
2-Methoxybenzaldehyde (o-anisaldehyde)
Methyl benzoate
Phenyl acetate
Phenylacetic acid
Piceol an... | C8H8O2 | Chemistry | 156 |
38,413,368 | https://en.wikipedia.org/wiki/WELMEC | WELMEC is a body set up to promote European cooperation in the field of legal metrology. WELMEC members are drawn from the national authorities responsible for legal metrology in European Union (EU) and European Free Trade Association (EFTA) member states.
WELMEC state their mission as being "to develop and maintain m... | WELMEC | Physics,Mathematics | 393 |
47,894,032 | https://en.wikipedia.org/wiki/Blasting%20mat | A blasting mat is a mat usually made of sliced-up rubber tires bound together with ropes, cables or chains. They are used during rock blasting to contain the blast, prevent flying rocks and suppress dust.
Use
Blasting mats are used when explosives are detonated in places such as quarries or construction sites. The ma... | Blasting mat | Chemistry,Engineering | 924 |
5,381,695 | https://en.wikipedia.org/wiki/Ethylammonium%20nitrate | Ethylammonium nitrate or ethylamine nitrate (EAN) is a salt with formula . It is an odorless and colorless to slightly yellowish liquid with a melting point of 12 °C. This compound was described by Paul Walden in 1914, and is believed to be the earliest reported example of a room-temperature ionic liquid.
Synthesis a... | Ethylammonium nitrate | Chemistry | 393 |
11,851,243 | https://en.wikipedia.org/wiki/L%C3%A9o-Pariseau%20Prize | The Léo-Pariseau Prize is a Québécois prize which is awarded annually to a distinguished individual working in the field of biological or health sciences. The prize is awarded by the Association francophone pour le savoir (Acfas), and is named after Léo Pariseau, the first president of Acfas.
The award was inaugurate... | Léo-Pariseau Prize | Technology | 1,176 |
4,035,228 | https://en.wikipedia.org/wiki/Dikka | A dikka or dakka (), also known in Turkish as a müezzin mahfili, is a raised platform or tribune in a mosque from which the Quran is recited and where the muezzin chants or repeats in response to the imam's prayers. It is also used by the muezzin to chant the second call to prayer (iqama), which indicates to worshipper... | Dikka | Technology,Engineering | 235 |
64,449,141 | https://en.wikipedia.org/wiki/Carbon%20dioxide%20angiography | Carbon dioxide angiography is a diagnostic radiographic technique in which a carbon dioxide (CO2) based contrast medium is used - unlike traditional angiography where the contrast medium normally used is iodine based – to see and study the body vessels. Since CO2 is a non-radio-opaque contrast medium, angiographic proc... | Carbon dioxide angiography | Chemistry | 1,350 |
1,522,583 | https://en.wikipedia.org/wiki/Alpha%20Ceti | Alpha Ceti (α Ceti, abbreviated Alpha Cet, α Cet), officially named Menkar , is the second-brightest star in the constellation of Cetus. It is a cool luminous red giant estimated to be about 250 light years away based on parallax.
Nomenclature
Alpha Ceti is the star's Bayer designation. It has the traditional name ... | Alpha Ceti | Astronomy | 633 |
36,291,080 | https://en.wikipedia.org/wiki/Melodichthys%20hadrocephalus | Melodichthys hadrocephalus is a rare species of viviparous brotula found in the northeastern Atlantic Ocean off the coast of France. It is found at depths from . This is the only known species in its genus. It is known from a single specimen.
References
Bythitidae
Monotypic fish genera
Fish described in 1986 | Melodichthys hadrocephalus | Biology | 71 |
23,582,507 | https://en.wikipedia.org/wiki/C16H10N2O2 | {{DISPLAYTITLE:C16H10N2O2}}
The molecular formula C16H10N2O2 (molar mass: 262.27 g/mol, exact mass: 262.0742 u) may refer to:
Indigo dye
Indirubin
Molecular formulas | C16H10N2O2 | Physics,Chemistry | 63 |
31,304,687 | https://en.wikipedia.org/wiki/Defense%20in%20insects | Insects have a wide variety of predators, including birds, reptiles, amphibians, mammals, carnivorous plants, and other arthropods. The great majority (80–99.99%) of individuals born do not survive to reproductive age, with perhaps 50% of this mortality rate attributed to predation. In order to deal with this ongoing e... | Defense in insects | Chemistry,Biology | 4,454 |
2,426,547 | https://en.wikipedia.org/wiki/Affective%20forecasting | Affective forecasting, also known as hedonic forecasting or the hedonic forecasting mechanism, is the prediction of one's affect (emotional state) in the future. As a process that influences preferences, decisions, and behavior, affective forecasting is studied by both psychologists and economists, with broad applicati... | Affective forecasting | Biology | 8,943 |
23,853,763 | https://en.wikipedia.org/wiki/Vacuum%20truck | A vacuum truck, vacuum tanker, vactor truck, vactor, vac-con truck, vac-con is a tank truck that has a pump and a tank. The pump is designed to pneumatically suck liquids, sludges, slurries, or the like from a location (often underground) into the tank of the truck. The objective is to enable transport of the liquid m... | Vacuum truck | Chemistry,Engineering | 1,478 |
35,065,185 | https://en.wikipedia.org/wiki/Johansson%20Mikrokator | A Johansson Mikrokator (also called Abramson's movement) is a mechanical comparator used to obtain mechanical magnification of the difference in length as compared to a standard. It works on the principle of a button spinning on a loop of string. A twisted thin metal strip holds a pointer, which shows the reading on a ... | Johansson Mikrokator | Technology | 380 |
4,371,746 | https://en.wikipedia.org/wiki/Pentane%20%28data%20page%29 | This page provides supplementary chemical data on n-pentane.
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 direction... | Pentane (data page) | Chemistry | 111 |
154,171 | https://en.wikipedia.org/wiki/List%20of%20heritage%20railways | This list of heritage railways includes heritage railways sorted by country, state, or region. A heritage railway is a preserved or tourist railroad which is run as a tourist attraction, is usually but not always run by volunteers, and often seeks to re-create railway scenes of the past.
Europe
Austria
Ampflwanger B... | List of heritage railways | Engineering | 2,868 |
12,488,904 | https://en.wikipedia.org/wiki/Capua%20Leg | The Capua leg was an artificial leg, found in a grave in Capua, Italy in about 1884. Dating from 300 BC, the leg is one of the earliest known prosthetic limbs. There was no sign of an artificial foot which may have been made from a valuable metal. The limb was kept at the Royal College of Surgeons in London, but was de... | Capua Leg | Engineering,Biology | 277 |
6,224,278 | https://en.wikipedia.org/wiki/National%20Institute%20of%20Aeronautics%20and%20Space | The National Institute of Aeronautics and Space (, LAPAN) was the Indonesian government's space agency. It was established on 27 November 1963, by former Indonesian president Sukarno, after one year's existence of a previous, informal space agency organization. LAPAN is responsible for long-term civilian and military ... | National Institute of Aeronautics and Space | Physics | 4,889 |
1,084,420 | https://en.wikipedia.org/wiki/Singulation | Singulation is a method by which an RFID reader identifies a tag with a specific serial number from a number of tags in its field. This is necessary because if multiple tags respond simultaneously to a query, they will jam each other. In a typical commercial application, such as scanning a bag of groceries, potentially... | Singulation | Technology,Engineering | 841 |
15,387,512 | https://en.wikipedia.org/wiki/Fogger | A fogger is any device that creates a fog, typically containing an insecticide for killing insects and other arthropods. Foggers are often used by consumers as a low cost alternative to professional pest control services. The number of foggers needed for pest control depends on the size of the space to be treated, as s... | Fogger | Biology,Environmental_science | 530 |
552,328 | https://en.wikipedia.org/wiki/Thief%20of%20Time | Thief of Time is a fantasy novel by British writer Terry Pratchett, the 26th book in his Discworld series. It was the last Discworld novel with a cover by Josh Kirby.
Plot summary
The Auditors hire young clockmaker Jeremy Clockson to build a perfect glass clock, without telling him that this will stop time and thereby... | Thief of Time | Physics | 710 |
44,635,220 | https://en.wikipedia.org/wiki/Dispersion%20polymerization | In polymer science, dispersion polymerization is a heterogeneous polymerization process carried out in the presence of a polymeric stabilizer in the reaction medium. Dispersion polymerization is a type of precipitation polymerization, meaning the solvent selected as the reaction medium is a good solvent for the monomer... | Dispersion polymerization | Chemistry,Materials_science | 762 |
31,779,955 | https://en.wikipedia.org/wiki/Pan-T%20antigens | Pan-T antigens are antigens found on all T cells.
They include CD2, CD3, CD5 and CD7.
References
Antigen presenting cells | Pan-T antigens | Chemistry,Biology | 34 |
18,576,196 | https://en.wikipedia.org/wiki/Lariat%20chain | A lariat chain is a loop of chain that hangs off, and is spun by a wheel. It is often used as a science exhibit or a toy.
The original lariat chain was created in 1986 by Norman Tuck, as an artist-in-residence project at the Exploratorium in San Francisco.
The lariat chain was developed from an earlier Tuck piece e... | Lariat chain | Physics | 216 |
37,168,115 | https://en.wikipedia.org/wiki/Tools%20Design | Tools Design is a Danish design studio founded by partners Claus Jensen and Henrik Holbæk. The studio was founded in 1989 and do work in the area of consumer products and furniture. The design studio is among the most awarded in Denmark.
Tools Design has worked for Eva Solo, Georg Jensen, Scanglobe, Skybar, Bionaire, ... | Tools Design | Engineering | 95 |
24,145,018 | https://en.wikipedia.org/wiki/C20H30O3 | {{DISPLAYTITLE:C20H30O3}}
The molecular formula C20H30O3 may refer to:
Coicenal A
Coicenal D
Dihydrotestosterone formate
Eoxin A4
Epoxyeicosatetraenoic acid
Galanolactone
Leukotriene A4
9-Nor-9β-hydroxyhexahydrocannabinol
Neotripterifordin
5-oxo-eicosatetraenoic acid
Oxymesterone
Steviol | C20H30O3 | Chemistry | 116 |
1,265,697 | https://en.wikipedia.org/wiki/Lester%20Frank%20Ward | Lester Frank Ward (June 18, 1841 – April 18, 1913) was an American botanist, paleontologist, and sociologist. The first president of the American Sociological Association, James Q. Dealey characterized Ward as a "great pioneer" in the development of American sociology, with contemporaries referring to him as "the Nesto... | Lester Frank Ward | Biology | 5,526 |
4,243,440 | https://en.wikipedia.org/wiki/Russula%20virescens | Russula virescens is a basidiomycete mushroom of the genus Russula, and is commonly known as the green-cracking russula, the quilted green russula, or the green brittlegill. It can be recognized by its distinctive pale green cap that measures up to in diameter, the surface of which is covered with darker green angular... | Russula virescens | Biology | 3,107 |
19,981,882 | https://en.wikipedia.org/wiki/CA%2027-29 | CA 27.29 is a tumor marker for breast cancer.
It is a form of glycoprotein MUC1.
References
Tumor markers | CA 27-29 | Chemistry,Biology | 31 |
68,571,110 | https://en.wikipedia.org/wiki/Psychoplastogen | Psychoplastogens are a group of small molecule drugs that produce rapid and sustained effects on neuronal structure and function, intended to manifest therapeutic benefit after a single administration. Several existing psychoplastogens have been identified and their therapeutic effects demonstrated; several are present... | Psychoplastogen | Chemistry | 1,402 |
9,624,797 | https://en.wikipedia.org/wiki/Translational%20Genomics%20Research%20Institute | The Translational Genomics Research Institute (TGen) is a non-profit genomics research institute based in Phoenix, Arizona, United States.
History and activities
TGen was established in July 2002 by Jeffrey Trent in Phoenix, Arizona, with an initial investment of US$100 million from Arizona public- and private-sector... | Translational Genomics Research Institute | Biology | 217 |
22,424 | https://en.wikipedia.org/wiki/Recapitulation%20theory | The theory of recapitulation, also called the biogenetic law or embryological parallelism—often expressed using Ernst Haeckel's phrase "ontogeny recapitulates phylogeny"—is a historical hypothesis that the development of the embryo of an animal, from fertilization to gestation or hatching (ontogeny), goes through stag... | Recapitulation theory | Biology | 2,250 |
60,132,831 | https://en.wikipedia.org/wiki/Qiddiya | Qiddiya (, ) is a planned entertainment and tourism megaproject in Riyadh, Saudi Arabia. Construction started at the beginning of 2019. It was planned to open in 2023, though as of 2024, major projects including Six Flags Qiddiya City, the Aquarabia waterpark, and the Formula One racetrack are incomplete (with the race... | Qiddiya | Engineering | 618 |
74,936,187 | https://en.wikipedia.org/wiki/Deuremidevir | Deuremidevir, also known as VV116, is a nucleoside analogue antiviral drug. It is administrated through oral tablets, which contain the hydrobromide salt of this drug.
The drug is a deuterated tri-isobutyrate of GS-441524, the active metabolite of remdesivir. It was first described in a November 2020 preprint by a te... | Deuremidevir | Chemistry,Biology | 307 |
2,099,359 | https://en.wikipedia.org/wiki/Orbiting%20Astronomical%20Observatory | The Orbiting Astronomical Observatory (OAO) satellites were a series of four American space observatories launched by NASA between 1966 and 1972, managed by NASA Chief of Astronomy Nancy Grace Roman. These observatories, including the first successful space telescope, provided the first high-quality observations of man... | Orbiting Astronomical Observatory | Astronomy | 865 |
92,310 | https://en.wikipedia.org/wiki/Illuminated%20manuscript | An illuminated manuscript is a formally prepared document where the text is decorated with flourishes such as borders and miniature illustrations. Often used in the Roman Catholic Church for prayers and liturgical books such as psalters and courtly literature, the practice continued into secular texts from the 13th cen... | Illuminated manuscript | Engineering | 4,639 |
5,926 | https://en.wikipedia.org/wiki/Computation | A computation is any type of arithmetic or non-arithmetic calculation that is well-defined. Common examples of computation are mathematical equation solving and the execution of computer algorithms.
Mechanical or electronic devices (or, historically, people) that perform computations are known as computers.
Computer... | Computation | Mathematics | 1,171 |
38,164,153 | https://en.wikipedia.org/wiki/Missouri%20v.%20McNeely | Missouri v. McNeely, 569 U.S. 141 (2013), was a case decided by United States Supreme Court, on appeal from the Supreme Court of Missouri, regarding exceptions to the Fourth Amendment to the United States Constitution under exigent circumstances. The United States Supreme Court ruled that police must generally obtain a... | Missouri v. McNeely | Chemistry | 916 |
21,514 | https://en.wikipedia.org/wiki/Nanomedicine | Nanomedicine is the medical application of nanotechnology. Nanomedicine ranges from the medical applications of nanomaterials and biological devices, to nanoelectronic biosensors, and even possible future applications of molecular nanotechnology such as biological machines. Current problems for nanomedicine involve und... | Nanomedicine | Materials_science,Engineering,Biology | 4,748 |
20,246,683 | https://en.wikipedia.org/wiki/Pneumococcal%20infection | Pneumococcal infection is an infection caused by the bacterium Streptococcus pneumoniae.
S. pneumoniae is a common member of the bacterial flora colonizing the nose and throat of 5–10% of healthy adults and 20–40% of healthy children. However, it is also a cause of significant disease, being a leading cause of pneumo... | Pneumococcal infection | Biology | 2,365 |
25,222,830 | https://en.wikipedia.org/wiki/Productivity%20%28ecology%29 | In ecology, the term productivity refers to the rate of generation of biomass in an ecosystem, usually expressed in units of mass per volume (unit surface) per unit of time, such as grams per square metre per day (g m−2 d−1). The unit of mass can relate to dry matter or to the mass of generated carbon. The productivity... | Productivity (ecology) | Chemistry,Biology | 1,366 |
32,280,107 | https://en.wikipedia.org/wiki/Otidea%20bufonia | Otidea bufonia is a species of apothecial fungus belonging to the family Pyronemataceae. The fruit body appears from late summer to early autumn as a dark brown, deep cup, split down one side, up to high and the same across.
A rare European species, it occurs singly or in small groups on soil in woodland.
While simi... | Otidea bufonia | Biology | 196 |
28,789,704 | https://en.wikipedia.org/wiki/Dicopper%20chloride%20trihydroxide | Dicopper chloride trihydroxide is the compound with chemical formula . It is often referred to as tribasic copper chloride (TBCC), copper trihydroxyl chloride or copper hydroxychloride. This greenish substance is encountered as the minerals atacamite, paratacamite, and botallackite. Similar materials are assigned to ... | Dicopper chloride trihydroxide | Chemistry | 2,878 |
15,533,451 | https://en.wikipedia.org/wiki/Flettner%20airplane | A Flettner airplane is a type of rotor airplane which uses a Flettner rotor to provide lift. The rotor comprises a spinning cylinder with circular end plates and, in an aircraft, spins about a spanwise horizontal axis. When the aircraft moves forward, the Magnus effect creates lift.
Anton Flettner, after whom the roto... | Flettner airplane | Engineering | 215 |
17,423,266 | https://en.wikipedia.org/wiki/PaNie | PaNie is a 25 kDa protein produced by the root rot disease-causing pathogen Pythium aphanidermatum. It stands for Pythium aphanidermatum Necrosis inducing elicitor. PaNie (aka NLPPya) belongs to a family of elicitors named the Nep1-like proteins (NLPs), which cause necrosis when injected into the leaves of dicotyledono... | PaNie | Chemistry,Biology | 103 |
23,474,670 | https://en.wikipedia.org/wiki/Geometric%20progression | A geometric progression, also known as a geometric sequence, is a mathematical sequence of non-zero numbers where each term after the first is found by multiplying the previous one by a fixed number called the common ratio. For example, the sequence 2, 6, 18, 54, ... is a geometric progression with a common ratio of 3.... | Geometric progression | Mathematics | 979 |
26,334,770 | https://en.wikipedia.org/wiki/International%20Moss%20Stock%20Center | The International Moss Stock Center (IMSC) is a biorepository which is specialized in collecting, preserving and distributing moss plants of a high value of scientific research. The IMSC is located at the Faculty of Biology, Department of Plant Biotechnology, at the Albert-Ludwigs-University of Freiburg, Germany.
Moss... | International Moss Stock Center | Chemistry,Biology | 307 |
56,840,282 | https://en.wikipedia.org/wiki/Martin%20Johnson%20House | The Martin Johnson House, at 45 W. 400 South in Glenwood, Utah, was built in c.1880. It was listed on the National Register of Historic Places in 1982.
Martin Johnson was born in Denmark in 1861, came to Utah with his parents in 1866, and probably built this house in preparation for his marriage; he was married in 1... | Martin Johnson House | Engineering | 164 |
16,402,793 | https://en.wikipedia.org/wiki/Idempotent%20measure | In mathematics, an idempotent measure on a metric group is a probability measure that equals its convolution with itself; in other words, an idempotent measure is an idempotent element in the topological semigroup of probability measures on the given metric group.
Explicitly, given a metric group X and two probabilit... | Idempotent measure | Physics,Mathematics | 225 |
38,033,909 | https://en.wikipedia.org/wiki/L%C3%A9n%C3%A1rt%20sphere | A Lénárt sphere is an educational manipulative and writing surface for exploring spherical geometry, invented by Hungarian István Lénárt as a modern replacement for a spherical blackboard. It can be used for visualizing the geometry of points, great and small circles, triangles, polygons, conics, and other objects on a... | Lénárt sphere | Mathematics | 546 |
5,951,576 | https://en.wikipedia.org/wiki/History%20of%20electromagnetic%20theory | The history of electromagnetic theory begins with ancient measures to understand atmospheric electricity, in particular lightning. People then had little understanding of electricity, and were unable to explain the phenomena. Scientific understanding and research into the nature of electricity grew throughout the eight... | History of electromagnetic theory | Technology,Engineering | 20,241 |
61,209,349 | https://en.wikipedia.org/wiki/Multi-level%20converter | A multi-level converter (MLC) or (multi-level inverter) is a method of generating high-voltage wave-forms from lower-voltage components. MLC origins go back over a hundred years, when in the 1880s, the advantages of DC long-distance transmission became evident.
Modular multi-level converters (MMC) were investigated by... | Multi-level converter | Physics,Mathematics,Technology,Engineering | 1,316 |
11,027,904 | https://en.wikipedia.org/wiki/Epsilon%20calculus | In logic, Hilbert's epsilon calculus is an extension of a formal language by the epsilon operator, where the epsilon operator substitutes for quantifiers in that language as a method leading to a proof of consistency for the extended formal language. The epsilon operator and epsilon substitution method are typically a... | Epsilon calculus | Mathematics | 643 |
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