id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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3,079,231 | https://en.wikipedia.org/wiki/Carothers%20equation | In step-growth polymerization, the Carothers equation (or Carothers' equation) gives the degree of polymerization, , for a given fractional monomer conversion, .
There are several versions of this equation, proposed by Wallace Carothers, who invented nylon in 1935.
Linear polymers: two monomers in equimolar quantiti... | Carothers equation | Chemistry,Materials_science,Mathematics,Engineering | 783 |
9,978,334 | https://en.wikipedia.org/wiki/AIDSVAX | AIDSVAX is an experimental HIV vaccine that was developed originally at Genentech in San Francisco, California, and later tested by the VaxGen company, a Genentech offshoot. The development and trials of the vaccine received significant coverage in the international media, but American trials proved inconclusive. The v... | AIDSVAX | Chemistry | 819 |
5,068,993 | https://en.wikipedia.org/wiki/HD%2081101 | HD 81101 is a single star in the southern constellation of Carina. It has the Bayer designation k Carinae, while HD 81101 is the star's designation in the Henry Draper catalogue. The star has a yellow hue and is faintly visible to the naked eye with an apparent visual magnitude of 4.79. It is located at a distance of a... | HD 81101 | Astronomy | 265 |
3,340,052 | https://en.wikipedia.org/wiki/Noise%20measurement | In acoustics, noise measurement can be for the purpose of measuring environmental noise or measuring noise in the workplace. Applications include monitoring of construction sites, aircraft noise, road traffic noise, entertainment venues and neighborhood noise. One of the definitions of noise covers all "unwanted sound... | Noise measurement | Physics,Mathematics | 771 |
76,592,348 | https://en.wikipedia.org/wiki/StackBlitz | StackBlitz is a collaborative online integrated development environment (IDE). The platform allows server-side software such as Node.js to be run entirely in the web browser, enabling fully online full-stack development. A number of web frameworks such as React, Next.js and Angular are supported.
History
StackBlitz wa... | StackBlitz | Technology | 284 |
1,151,454 | https://en.wikipedia.org/wiki/Pregnancy%20over%20age%2050 | Pregnancy over the age of 50 has become possible for more women because of advances in assisted reproductive technology, in particular egg donation. Typically, a woman's fecundity ends with menopause, which, by definition, is 12 consecutive months without any menstrual flow at all. During perimenopause, the menstrual c... | Pregnancy over age 50 | Biology | 1,013 |
2,239,651 | https://en.wikipedia.org/wiki/Betaretrovirus | Betaretrovirus is a genus of the Retroviridae family. It has type B or type D morphology. The type B is common for a few exogenous, vertically transmitted and endogenous viruses of mice; some primate and sheep viruses are the type D.
Examples are Mouse mammary tumor virus, enzootic nasal tumor virus (ENTV-1, ENTV-2), ... | Betaretrovirus | Biology | 128 |
52,372,684 | https://en.wikipedia.org/wiki/Fusarium%20acutatum | Fusarium acutatum is a fungus species of the genus Fusarium. Fusarium acutatum can cause gangrenous necrosis on the feet from diabetic patients. Fusarium acutatum produces fumonisin B1, fumonisin B2, fumonisin B3 and 8-O-Methyl-fusarubin.
References
Further reading
acaciae-mearnsii
Fungi described in 1998
Fungus... | Fusarium acutatum | Biology | 94 |
73,404,749 | https://en.wikipedia.org/wiki/Sea%20ice%20brine%20pocket | A sea ice brine pocket is an area of fluid sea water with a high salt concentration trapped in sea ice as it freezes. Due to the nature of their formation, brine pockets are most commonly found in areas below , where it is sufficiently cold for seawater to freeze and form sea ice. Though the high salinity and low light... | Sea ice brine pocket | Physics | 3,873 |
35,215,882 | https://en.wikipedia.org/wiki/Isothermal%20microcalorimetry | Isothermal microcalorimetry (IMC) is a laboratory method for real-time monitoring and dynamic analysis of chemical, physical and biological processes. Over a period of hours or days, IMC determines the onset, rate, extent and energetics of such processes for specimens in small ampoules (e.g. 3–20 ml) at a constant set ... | Isothermal microcalorimetry | Physics,Chemistry,Materials_science,Engineering,Biology | 10,866 |
489,971 | https://en.wikipedia.org/wiki/Bionicle | Bionicle (stylized all caps) was a line of Lego construction toys marketed primarily towards 8-to-16-year-olds. The line was launched in 2001, originally as a subsidiary of Lego's Technic series. Over the following decade, it became one of the company's biggest-selling properties, turning into a franchise and subsequen... | Bionicle | Biology | 3,217 |
56,209,584 | https://en.wikipedia.org/wiki/Trametes%20africana | Trametes africana is a poroid bracket fungus in the family Polyporaceae. It was described as new to science in 2004 by Norwegian mycologist Leif Ryvarden. It is found in Africa, where it has been recorded from Cameroon, Ethiopia, Kenya, Rwanda and Uganda. The fungus is characterized by its perennial habit and hard wood... | Trametes africana | Biology | 164 |
4,009,928 | https://en.wikipedia.org/wiki/Edinburgh%20Parallel%20Computing%20Centre | EPCC, formerly the Edinburgh Parallel Computing Centre, is a supercomputing centre based at the University of Edinburgh. Since its foundation in 1990, its stated mission has been to accelerate the effective exploitation of novel computing throughout industry, academia and commerce.
The University has supported high pe... | Edinburgh Parallel Computing Centre | Mathematics | 1,426 |
24,170,999 | https://en.wikipedia.org/wiki/S-phase-promoting%20factor | Introduction:
S-phase-promoting factor(SPF) is varying Cdk/cyclin complexes in eukaryotes that initiates the S-phase in the cell cycle. SPF is at its peak when the cell cycle is transiting from G1 phase to the S-phase. The SPF is at its lowest during the cell cycle once the cyclin subunits are used up, and broken down.... | S-phase-promoting factor | Biology | 670 |
24,917,556 | https://en.wikipedia.org/wiki/Agrocybe%20pediades | Agrocybe pediades, commonly known as the common fieldcap or common agrocybe, is a typically lawn and other types of grassland mushroom, but can also grow on mulch containing horse manure. It was first described as Agaricus pediades by Swedish mycologist Elias Magnus Fries in 1821, and moved to its current genus Agrocyb... | Agrocybe pediades | Biology | 387 |
23,602,618 | https://en.wikipedia.org/wiki/Pull%20off%20test | A pull-off test, also called stud pull test, is a type of test in which an adhesive connection is made between a stud and a carrier (or object to be tested) by using a glue, possibly an epoxy or polyester resin, that is stronger than the bond that needs to be tested. The force required to pull the stud from the surface... | Pull off test | Engineering | 230 |
66,199,369 | https://en.wikipedia.org/wiki/SR8278 | SR-8278 is an experimental drug that was developed as an antagonist of Rev-ErbAα. It has been used to demonstrate potential applications of Rev-ErbAα antagonists in the treatment of conditions such as Duchenne muscular dystrophy and Alzheimer's disease.
See also
GSK4112
SR9009
SR9011
References
Isoquinolines | SR8278 | Chemistry | 79 |
1,157,828 | https://en.wikipedia.org/wiki/ROSAT | ROSAT (short for Röntgensatellit; in German X-rays are called Röntgenstrahlen, in honour of Wilhelm Röntgen) was a German Aerospace Center-led satellite X-ray telescope, with instruments built by West Germany, the United Kingdom and the United States. It was launched on 1 June 1990, on a Delta II rocket from Cape Canav... | ROSAT | Astronomy | 2,152 |
59,101,213 | https://en.wikipedia.org/wiki/Loch%20Maree%20Hotel%20botulism%20poisoning | The Loch Maree Hotel botulism poisoning of 1922 was the first recorded outbreak of botulism in the United Kingdom. Eight people died, with the resulting public inquiry linking all the deaths to the hotel's potted duck paste.
Loch Maree was a popular location for holiday makers, sports fishermen and romantic breaks, an... | Loch Maree Hotel botulism poisoning | Environmental_science | 1,258 |
19,447 | https://en.wikipedia.org/wiki/Group%20%28mathematics%29 | In mathematics, a group is a set with an operation that associates an element of the set to every pair of elements of the set (as does every binary operation) and satisfies the following constraints: the operation is associative, it has an identity element, and every element of the set has an inverse element.
Many ma... | Group (mathematics) | Physics,Mathematics | 9,314 |
10,948,785 | https://en.wikipedia.org/wiki/Wildlife%20of%20Guinea | The wildlife of Guinea is very diverse due to its wide variety of habitats. The southern part of the country lies within the Guinean Forests of West Africa biodiversity hotspot, while the north-east is characterized by dry savanna woodlands. Ecoregions of Guinea are the Western Guinean lowland forests, Guinean montane ... | Wildlife of Guinea | Biology | 201 |
2,576,676 | https://en.wikipedia.org/wiki/Steelcase | Steelcase Inc. is an international manufacturer of furniture, casegoods, seating, and storage and partitioning systems for offices, hospitals, classrooms, and residential interiors. It is headquartered in Grand Rapids, Michigan, United States.
History
Originally known as The Metal Office Furniture Company, Steelcase ... | Steelcase | Engineering | 1,732 |
66,016,004 | https://en.wikipedia.org/wiki/HL-2M | HL-2M is a research tokamak at the Southwestern Institute of Physics in Chengdu, China. It was completed on November 26, 2019 and commissioned on December 4, 2020. HL-2M is now used for nuclear fusion research, in particular to study heat extraction from the plasma. With a major radius of , the tokamak is a medium-scal... | HL-2M | Physics,Chemistry | 106 |
76,245,774 | https://en.wikipedia.org/wiki/Russula%20cremoricolor | Russula cremoricolor, also known as the winter russula, is a species of gilled mushroom. This mushroom has red, cream-yellow, and pink color variants, which complicates attempts at field identification, although finding "red and creamy capped fruitbodies in close proximity is a good clue indicating this species". The w... | Russula cremoricolor | Biology | 217 |
49,178,304 | https://en.wikipedia.org/wiki/Sarcodon%20quercinofibulatus | Sarcodon quercinofibulatus is a species of tooth fungus in the family Bankeraceae. Found in Spain, where it grows under Quercus petraea, it was described as new to science in 2011. The thick, fleshy caps of its fruit bodies are up to in diameter. The cap cuticle breaks up in age into concentric brown scales, revealing... | Sarcodon quercinofibulatus | Biology | 188 |
38,025,273 | https://en.wikipedia.org/wiki/Role-taking%20theory | Role-taking theory (or social perspective taking) is the social-psychological concept that one of the most important factors in facilitating social cognition in children is the growing ability to understand others’ feelings and perspectives, an ability that emerges as a result of general cognitive growth. Part of this ... | Role-taking theory | Biology | 4,870 |
18,643,788 | https://en.wikipedia.org/wiki/Cyanopindolol | Cyanopindolol is a drug related to pindolol which acts as both a β1 adrenoceptor antagonist and a 5-HT1A receptor antagonist. Its radiolabelled derivative iodocyanopindolol has been widely used in mapping the distribution of beta adrenoreceptors in the body.
References
5-HT1A antagonists
Beta blockers
Indoles
Nitril... | Cyanopindolol | Chemistry | 107 |
1,659,281 | https://en.wikipedia.org/wiki/Asbestos%20cement | Asbestos cement, genericized as fibro, fibrolite (short for "fibrous (or fibre) cement sheet"; but different from the natural mineral fibrolite), or AC sheet, is a composite building material consisting of cement and asbestos fibres pressed into thin rigid sheets and other shapes.
Invented at the end of the 19th cent... | Asbestos cement | Physics,Engineering,Environmental_science | 782 |
53,264,410 | https://en.wikipedia.org/wiki/Multipole%20density%20formalism | The Multipole Density Formalism (also referred to as Hansen-Coppens Formalism) is an X-ray crystallography method of electron density modelling proposed by Niels K. Hansen and Philip Coppens in 1978. Unlike the commonly used Independent Atom Model, the Hansen-Coppens Formalism presents an aspherical approach, allowing ... | Multipole density formalism | Physics,Chemistry,Materials_science,Engineering | 1,774 |
27,662,186 | https://en.wikipedia.org/wiki/Opioid%20food%20peptides | Opioid food peptides include:
Casomorphin (from milk)
Gluten exorphin (from gluten)
Gliadorphin/gluteomorphin (from gluten)
Rubiscolin (from spinach)
Soymorphin-5 (from soy)
Oryzatensin (from rice)
Peptides
Opioids | Opioid food peptides | Chemistry,Biology | 82 |
3,525,088 | https://en.wikipedia.org/wiki/Crisis%20of%20the%20late%20Middle%20Ages | The crisis of the Middle Ages was a series of events in the 14th and 15th centuries that ended centuries of European stability during the late Middle Ages. Three major crises led to radical changes in all areas of society: demographic collapse, political instability, and religious upheavals.
The Great Famine of 1315–1... | Crisis of the late Middle Ages | Environmental_science | 2,434 |
2,876,898 | https://en.wikipedia.org/wiki/Chromium%28III%29%20picolinate | Chromium(III) picolinate (also trivalent chromium) is a chemical compound with the formula , commonly abbreviated as CrPic3. It is a bright-red coordination compound derived from chromium(III) and picolinic acid.
Trivalent chromium occurs naturally in many foods and is one of several forms of chromium sold as a dietar... | Chromium(III) picolinate | Chemistry | 3,018 |
17,349,229 | https://en.wikipedia.org/wiki/Catholic%20Earthcare%20Australia | Catholic Earthcare Australia is an agency of the Australian Catholic Bishops Conference and is the environmental arm of the Catholic Church in Australia. This executive agency of the Bishops' Commission for Justice and Development (BCJD) is mandated with the mission of advising, supporting and assisting the BCJD in res... | Catholic Earthcare Australia | Environmental_science | 565 |
30,838,779 | https://en.wikipedia.org/wiki/Dallas%20%282012%20TV%20series%29 | Dallas is an American prime time soap opera developed by Cynthia Cidre and produced by Warner Horizon Television, that aired on TNT from June 13, 2012, to September 22, 2014. The series was a revival of the prime time television soap opera of the same name that was created by David Jacobs and which aired on CBS from 19... | Dallas (2012 TV series) | Chemistry | 3,618 |
61,594,559 | https://en.wikipedia.org/wiki/Panine%20alphaherpesvirus%203 | Panine alphaherpesvirus 3 (PnHV-3) is a species of virus in the genus Simplexvirus, subfamily Alphaherpesvirinae, family Herpesviridae, and order Herpesvirales.
References
External links
Alphaherpesvirinae | Panine alphaherpesvirus 3 | Biology | 56 |
74,465,682 | https://en.wikipedia.org/wiki/Hawking%20Fellowship | The Professor Stephen Hawking Fellowship is a prestigious annual fellowship of the Cambridge Union Society in the University of Cambridge. Awarded to an individual who has made an exceptional contribution to the STEM fields and social discourse, it is unique amongst comparable accolades in that it is conferred by the s... | Hawking Fellowship | Technology | 143 |
68,415,663 | https://en.wikipedia.org/wiki/Plutonium%20selenide | Plutonium selenide is a binary inorganic compound of plutonium and selenium with the chemical formula PuSe. The compound forms black crystals and does not dissolve in water.
Synthesis
Reaction of diplutonium triselenide and plutonium trihydride:
2 {Pu2Se3} + 2 {PuH3} ->[\text{1600 °C}] 4 {PuSe} + 3 {H2}
Fusion of s... | Plutonium selenide | Chemistry | 228 |
44,103,870 | https://en.wikipedia.org/wiki/FeMoco | FeMoco ( cofactor) is the primary cofactor of nitrogenase. Nitrogenase is the enzyme that catalyzes the conversion of atmospheric nitrogen molecules N2 into ammonia (NH3) through the process known as nitrogen fixation. Because it contains iron and molybdenum, the cofactor is called FeMoco. Its stoichiometry is Fe7MoS9C... | FeMoco | Chemistry | 1,456 |
35,328,973 | https://en.wikipedia.org/wiki/Terrorism%20and%20social%20media | Terrorism, fear, and media are interconnected. Terrorists use the media to advertise their attacks and or messages, and the media uses terrorism events to further aid their ratings. Both promote unwarranted propaganda that instills mass amounts of public fear. The leader of Al-Qaeda, Osama bin Laden, discussed weaponiz... | Terrorism and social media | Technology | 4,215 |
45,576,083 | https://en.wikipedia.org/wiki/Boletus%20loyo | Boletus loyo is a species of bolete fungus in the family Boletaceae that is found in South America. It was described as new to science by Carlos Luigi Spegazzini in 1912, who made the first scientifically documented collections in Argentina. The bolete is edible.
See also
List of Boletus species
References
External... | Boletus loyo | Biology | 95 |
65,570,746 | https://en.wikipedia.org/wiki/IPhone%2012%20Pro | The iPhone 12 Pro and iPhone 12 Pro Max are smartphones developed and marketed by Apple Inc. They are the flagship smartphones in the fourteenth generation of the iPhone, succeeding the iPhone 11 Pro and iPhone 11 Pro Max, respectively. They were unveiled alongside the iPhone 12 and iPhone 12 Mini at an Apple Special E... | IPhone 12 Pro | Technology | 3,297 |
39,364,055 | https://en.wikipedia.org/wiki/SACLA | The SPring-8 Angstrom Compact free electron LAser, referred to as SACLA (pronounced さくら (Sa-Ku-Ra)), is an X-ray free-electron laser (XFEL) in Harima Science Garden City, Japan, embedded in the SPring-8 accelerator and synchrotron complex. When it first came into operation 2011, it was the second XFEL in the world and ... | SACLA | Technology,Engineering | 348 |
8,446,001 | https://en.wikipedia.org/wiki/IEEE%20802.1AE | IEEE 802.1AE (also known as MACsec) is a network security standard that operates at the medium access control layer and defines connectionless data confidentiality and integrity for media access independent protocols. It is standardized by the IEEE 802.1 working group.
Details
Key management and the establishment of s... | IEEE 802.1AE | Technology,Engineering | 768 |
6,397,470 | https://en.wikipedia.org/wiki/Runcinated%20120-cells | In four-dimensional geometry, a runcinated 120-cell (or runcinated 600-cell) is a convex uniform 4-polytope, being a runcination (a 3rd order truncation) of the regular 120-cell.
There are 4 degrees of runcinations of the 120-cell including with permutations truncations and cantellations.
The runcinated 120-cell can ... | Runcinated 120-cells | Physics | 1,472 |
51,601,592 | https://en.wikipedia.org/wiki/Floral%20scent | Floral scent, or flower scent, is composed of all the volatile organic compounds (VOCs), or aroma compounds, emitted by floral tissue (e.g. flower petals). Other names for floral scent include, aroma, fragrance, floral odour or perfume. Flower scent of most flowering plant species encompasses a diversity of VOCs, somet... | Floral scent | Chemistry,Biology | 2,440 |
15,868,806 | https://en.wikipedia.org/wiki/Specific%20force | Specific force (SF) is a mass-specific quantity defined as the quotient of force per unit mass.
It is a physical quantity of kind acceleration, with dimension of length per time squared and units of metre per second squared (m·s−2).
It is normally applied to forces other than gravity, to emulate the relationship betw... | Specific force | Physics,Mathematics,Engineering,Environmental_science | 499 |
2,379,141 | https://en.wikipedia.org/wiki/5S%20%28methodology%29 | 5S (Five S) is a workplace organization method that uses a list of five Japanese words: , , , , and . These have been translated as 'sort', 'set in order', 'shine', 'standardize', and 'sustain'. The list describes how to organize a work space for efficiency and effectiveness by identifying and sorting the items used, m... | 5S (methodology) | Engineering | 1,463 |
25,013 | https://en.wikipedia.org/wiki/Pi%20Day | Pi Day is an annual celebration of the mathematical constant (pi). Pi Day is observed on March 14 (the 3rd month) since 3, 1, and 4 are the first three significant figures of , and was first celebrated in the United States. It was founded in 1988 by Larry Shaw, an employee of a science museum in San Francisco, the Exp... | Pi Day | Mathematics | 1,194 |
9,465,910 | https://en.wikipedia.org/wiki/Zero%20one%20infinity%20rule | The Zero one infinity (ZOI) rule is a rule of thumb in software design proposed by early computing pioneer Willem van der Poel. It argues that arbitrary limits on the number of instances of a particular type of data or structure should not be allowed. Instead, an entity should either be forbidden entirely, only one sho... | Zero one infinity rule | Engineering | 354 |
46,947,608 | https://en.wikipedia.org/wiki/Colletotrichum%20axonopodi | Colletotrichum axonopodi is a falcate-spored graminicolous plant pathogenic fungi species, first isolated from warm-season grasses.
References
Further reading
Hyde, K. D., et al. "Colletotrichum—names in current use." Fungal Diversity39.1 (2009): 147–182.
Crouch, J. A., and L. A. Beirn. "Anthracnose of cereals and gr... | Colletotrichum axonopodi | Biology | 128 |
46,772,079 | https://en.wikipedia.org/wiki/Networks%20and%20Heterogeneous%20Media | Networks and Heterogeneous Media is a peer-reviewed academic journal published bimonthly by AIMS Press, an operation of the American Institute of Mathematical Sciences. The journal was established in 2006 and focuses on networks, heterogeneous media, and related fields. The editor-in-chief is Benedetto Piccoli (Rutgers... | Networks and Heterogeneous Media | Mathematics | 161 |
4,814,080 | https://en.wikipedia.org/wiki/Primary%20cyclic%20group | In mathematics, a primary cyclic group is a group that is both a cyclic group and a p-primary group for some prime number p.
That is, it is a cyclic group of order p, C, for some prime number p, and natural number m.
Every finite abelian group G may be written as a finite direct sum of primary cyclic groups, as stated... | Primary cyclic group | Mathematics | 214 |
13,755,028 | https://en.wikipedia.org/wiki/Bioversity%20International | Bioversity International is a global research-for-development organization that delivers scientific evidence, management practices and policy options to use and safeguard agricultural biodiversity to attain global food- and nutrition security, working with partners in low-income countries in different regions where agr... | Bioversity International | Biology | 845 |
26,849,255 | https://en.wikipedia.org/wiki/Turosteride | Turosteride (FCE-26,073) is a selective inhibitor of the enzyme 5α-reductase which was under investigation by GlaxoSmithKline for the treatment of benign prostatic hyperplasia (BPH), but was never marketed. Similarly to finasteride, turosteride is selective for the type II isoform of 5α-redcutase, with about 15-fold se... | Turosteride | Chemistry | 169 |
69,498,203 | https://en.wikipedia.org/wiki/HD%20139319 | HD 139319 is a ternary system composed of the binary Algol variable star known as TW Draconis, and a main-sequence companion star at a separation of 3 arcseconds. The system lies in the constellation of Draco about away.
System
The primary star is an eclipsing, semi-detached binary, the brighter component of which i... | HD 139319 | Astronomy | 230 |
25,733,832 | https://en.wikipedia.org/wiki/Lyman-break%20galaxy | Lyman-break galaxies are star-forming galaxies at high redshift that are selected using the differing appearance of the galaxy in several imaging filters due to the position of the Lyman limit. The technique has primarily been used to select galaxies at redshifts of z = 3–4 using ultraviolet and optical filters, but p... | Lyman-break galaxy | Physics,Astronomy | 740 |
1,544,179 | https://en.wikipedia.org/wiki/Technogaianism | Technogaianism (a portmanteau word combining "techno-" for technology and "gaian" for Gaia philosophy) is a bright green environmentalist stance of active support for the research, development and use of emerging and future technologies to help restore Earth's environment. Technogaianists argue that developing safe, cl... | Technogaianism | Technology,Engineering,Biology | 1,449 |
75,773,862 | https://en.wikipedia.org/wiki/NGC%206622 | NGC 6622 is an interacting spiral galaxy in the constellation Draco. It is located around 313 million light-years away, and it was discovered by Edward D. Swift and Lewis A. Swift on June 2, 1885. NGC 6622 interacts with NGC 6621, with their closest approach having taken place about 100 million years before the moment ... | NGC 6622 | Astronomy | 287 |
20,362,448 | https://en.wikipedia.org/wiki/Demecolcine | Demecolcine (INN; also known as colcemid) is a drug used in chemotherapy. It is closely related to the natural alkaloid colchicine with the replacement of the acetyl group on the amino moiety with methyl, but it is less toxic. It depolymerises microtubules and limits microtubule formation (inactivates spindle fibre for... | Demecolcine | Chemistry | 501 |
75,620,299 | https://en.wikipedia.org/wiki/Caloplaca%20astonii | Caloplaca astonii is a rare species of crustose lichen in the family Teloschistaceae. Described in 2007, is known for its distinct appearance and very limited distribution in Australia. The lichen has a thin thallus measuring 3–8 mm wide, with confluent spots that are thicker and cracked in the centre, showing a dull r... | Caloplaca astonii | Biology | 814 |
275,935 | https://en.wikipedia.org/wiki/Flexible%20AC%20transmission%20system | A Flexible Alternating Current Transmission System (FACTS) is a family of Power-Electronic based devices designed for use on an Alternating Current (AC) Transmission System to improve and control Power Flow and support Voltage. FACTs devices are alternatives to traditional electric grid solutions and improvements, wher... | Flexible AC transmission system | Engineering | 2,603 |
1,303,885 | https://en.wikipedia.org/wiki/C/1961%20R1%20%28Humason%29 | Comet Humason, formally designated C/1961 R1 (a.k.a. 1962 VIII and 1961e), was a non-periodic comet discovered by Milton L. Humason on 1 September 1961. Its perihelion was well beyond the orbit of Mars, at 2.133 AU. The outbound orbital period is about 2,516 years.
Physical properties
It was a "giant" comet, much mor... | C/1961 R1 (Humason) | Astronomy | 240 |
76,916,676 | https://en.wikipedia.org/wiki/West%20African%20Conservation%20Network | West African Conservation Network (WACN) is a non-profit organization established by Patrick Ogbonnia Egwu, with a primary mission of preserving and restoring wilderness areas.
Location
WACN has its headquarters on the 7th Floor of Mulliner Towers, Alfred Rewane Road Lagos, 101233, Nigeria and Kemp House, City Road, ... | West African Conservation Network | Chemistry,Engineering | 340 |
4,991,374 | https://en.wikipedia.org/wiki/Bridging%20ligand | In coordination chemistry, a bridging ligand is a ligand that connects two or more atoms, usually metal ions. The ligand may be atomic or polyatomic. Virtually all complex organic compounds can serve as bridging ligands, so the term is usually restricted to small ligands such as pseudohalides or to ligands that are sp... | Bridging ligand | Chemistry | 664 |
38,549,774 | https://en.wikipedia.org/wiki/Nonlinear%20Dirac%20equation | See Ricci calculus and Van der Waerden notation for the notation.
In quantum field theory, the nonlinear Dirac equation is a model of self-interacting Dirac fermions. This model is widely considered in quantum physics as a toy model of self-interacting electrons.
The nonlinear Dirac equation appears in the Einstein–C... | Nonlinear Dirac equation | Physics | 977 |
44,020,445 | https://en.wikipedia.org/wiki/Howard%20W.%20Bergerson | Howard William Bergerson (July 29, 1922 – February 19, 2011) was an American writer and poet, noted for his mastery of palindromes and other forms of wordplay.
Work
Bergerson's first volume of poetry, The Spirit of Adolescence, was published in 1950, and earned him the state's nomination as Oregon Poet Laureate in 1... | Howard W. Bergerson | Physics | 667 |
25,076,759 | https://en.wikipedia.org/wiki/Digital%20morphogenesis | Digital morphogenesis is a type of generative art in which complex shape development, or morphogenesis, is enabled by computation. This concept is applicable in many areas of design, art, architecture, and modeling. The concept was originally developed in the field of biology, later in geology, geomorphology, and arch... | Digital morphogenesis | Engineering | 1,318 |
39,914,312 | https://en.wikipedia.org/wiki/List%20of%20Triangulum%27s%20suspected%20satellite%20galaxies | The Triangulum subgroup is made up of the Triangulum Galaxy (M33) and its satellites. Although the Triangulum Galaxy does not have any proven satellite galaxies, a number of galaxies are suspected of being in the system.
Andromeda XXII
Andromeda XXII is located much closer in projection to M33 than M31 (42 kiloparsecs... | List of Triangulum's suspected satellite galaxies | Astronomy | 329 |
51,606,548 | https://en.wikipedia.org/wiki/NGC%20212 | NGC 212 is a lenticular galaxy located approximately 369 million light-years from the Solar System in the constellation Phoenix. It was discovered on October 28, 1834 by John Herschel.
See also
Lenticular galaxy
List of NGC objects (1–1000)
Phoenix (constellation)
References
External links
SEDS
0212
2417
L... | NGC 212 | Astronomy | 73 |
17,320,405 | https://en.wikipedia.org/wiki/Harmon%20Craig | Harmon Craig (March 15, 1926 – March 14, 2003) was an American geochemist who worked briefly for the University of Chicago (1951-1955) before spending the majority of his career at Scripps Institution of Oceanography (1955-2003).
Craig was involved in numerous research expeditions, which visited the Great Rift Valley ... | Harmon Craig | Physics,Chemistry | 2,294 |
2,589,204 | https://en.wikipedia.org/wiki/Halogenated%20ether | Halogenated ethers are a subcategory of ethers—organic chemicals that contain an oxygen atom connected to two alkyl groups or similar structures. An example of an ether is the solvent diethyl ether. Halogenated ethers differ from other ethers because there are one or more halogen atoms—fluorine, chlorine, bromine, or i... | Halogenated ether | Chemistry | 1,687 |
20,037,433 | https://en.wikipedia.org/wiki/Temperature-programmed%20reduction | Temperature-programmed reduction is a technique for the characterization of solid materials and is often used in the field of heterogeneous catalysis to find the most efficient reduction conditions, an oxidized catalyst precursor is submitted to a programmed temperature rise while a reducing gas mixture is flowed over ... | Temperature-programmed reduction | Physics,Chemistry,Materials_science,Engineering | 372 |
73,061,584 | https://en.wikipedia.org/wiki/Ulrike%20Meier%20Yang | Ulrike Meier Yang (born 1959) is a German-American applied mathematician and computer scientist specializing in numerical algorithms for scientific computing. She directs the Mathematical Algorithms & Computing group in the Center for Applied Scientific Computing at the Lawrence Livermore National Laboratory, and is on... | Ulrike Meier Yang | Mathematics | 315 |
1,272,800 | https://en.wikipedia.org/wiki/Bencao%20Gangmu | The Bencao gangmu, known in English as the Compendium of Materia Medica or Great Pharmacopoeia, is an encyclopedic gathering of medicine, natural history, and Chinese herbology compiled and edited by Li Shizhen and published in the late 16th century, during the Ming dynasty. Its first draft was completed in 1578 and pr... | Bencao Gangmu | Chemistry | 1,060 |
12,953,358 | https://en.wikipedia.org/wiki/IEEE%20Transactions%20on%20Computer-Aided%20Design%20of%20Integrated%20Circuits%20and%20Systems | IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (sometimes abbreviated IEEE TCAD or IEEE Transactions on CAD) is a monthly peer-reviewed scientific journal covering the design, analysis, and use of computer-aided design of integrated circuits and systems. It is published by the IEEE Circui... | IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems | Engineering | 202 |
28,829,670 | https://en.wikipedia.org/wiki/I-Jet%20Media | i-Jet Media is a Russian distribution network and publisher of social games on web portals and social networks. It was founded in 2005 and published its first game, Maffia News, in 2007. The company has foreign offices in Silicon Valley, United States and Beijing, China.
History
In 2005, i-Jet Media was founded as a d... | I-Jet Media | Technology | 795 |
30,709,676 | https://en.wikipedia.org/wiki/NanoGagliato | NanoGagliato is an invitational gathering of scientists, physicians, business leaders, artists, and researchers to discuss the most current challenges and opportunities in the fields of nanomedicine and the nanosciences, from a multisciplinary perspective. This series of events takes place each year, at the end of July... | NanoGagliato | Materials_science | 777 |
37,855,738 | https://en.wikipedia.org/wiki/Finishing%20oil | A finishing oil is a vegetable oil used for wood finishing.
These finishes are a historical finish for wood, primarily as means of making it weather or moisture resistant. Finishing oils are easily applied, by wiping with a cloth. They are also simply made, by extraction from plant sources with relatively simple proce... | Finishing oil | Chemistry | 464 |
14,160,015 | https://en.wikipedia.org/wiki/Malgrange%E2%80%93Ehrenpreis%20theorem | In mathematics, the Malgrange–Ehrenpreis theorem states that every non-zero linear differential operator with constant coefficients has a Green's function. It was first proved independently by and
.
This means that the differential equation
where is a polynomial in several variables and is the Dirac delta function... | Malgrange–Ehrenpreis theorem | Mathematics | 374 |
1,633,875 | https://en.wikipedia.org/wiki/Feedwater%20heater | A feedwater heater is a power plant component used to pre-heat water delivered to a steam generating boiler. Preheating the feedwater reduces the irreversibilities involved in steam generation and therefore improves the thermodynamic efficiency of the system. This reduces plant operating costs and also helps to avoid ... | Feedwater heater | Physics,Chemistry,Engineering | 847 |
4,205,544 | https://en.wikipedia.org/wiki/World%20Wide%20Molecular%20Matrix | The World Wide Molecular Matrix (WWMM) was a proposed electronic repository for unpublished chemical data. First introduced in 2002 by Peter Murray-Rust and his colleagues in the chemistry department at the University of Cambridge in the United Kingdom, WWMM provided a free, easily searchable database for information a... | World Wide Molecular Matrix | Technology | 458 |
53,261,402 | https://en.wikipedia.org/wiki/NGC%201222 | NGC 1222 is an early-type lenticular galaxy located in the constellation of Eridanus. The galaxy was discovered on 5 December 1883 by the French astronomer Édouard Stephan. John Louis Emil Dreyer, the compiler of the New General Catalogue, described it as a "pretty faint, small, round nebula" and noted the presence of ... | NGC 1222 | Astronomy | 246 |
2,376,842 | https://en.wikipedia.org/wiki/BT%20Monocerotis | BT Monocerotis (Nova Monocerotis 1939) was a nova, which lit up in the constellation Monoceros in 1939. It was discovered on a spectral plate by Fred L. Whipple on December 23, 1939. BT Monocerotis is believed to have reached mag 4.5, which would have made it visible to the naked eye, but that value is an extrapolation... | BT Monocerotis | Astronomy | 436 |
11,382,726 | https://en.wikipedia.org/wiki/Immunofixation | Immunofixation permits the detection and typing of monoclonal antibodies or immunoglobulins in serum or urine. It is of great importance for the diagnosis and monitoring of certain blood related diseases such as myeloma.
Principle
The method detects by precipitation: when a soluble antigen (Ag) is brought in contact... | Immunofixation | Chemistry,Biology | 680 |
15,307,810 | https://en.wikipedia.org/wiki/CIE%201960%20color%20space | The CIE 1960 color space ("CIE 1960 UCS", variously expanded Uniform Color Space, Uniform Color Scale, Uniform Chromaticity Scale, Uniform Chromaticity Space) is another name for the chromaticity space devised by David MacAdam.
The CIE 1960 UCS does not define a luminance or lightness component, but the Y tristimulus... | CIE 1960 color space | Mathematics | 413 |
733,904 | https://en.wikipedia.org/wiki/Chaos%20Communication%20Congress | The Chaos Communication Congress is an annual hacker conference organized by the Chaos Computer Club. The congress features a variety of lectures and workshops on technical and political issues related to security, cryptography, privacy and online freedom of speech. It has taken place regularly at the end of the year s... | Chaos Communication Congress | Mathematics,Engineering | 582 |
10,549,030 | https://en.wikipedia.org/wiki/Mechanical%20arm | A mechanical arm is a machine that usually mimics the action of a human arm. Mechanical arms are composed of multiple beams connected by hinges powered by actuators. One end of the arm is attached to a firm base while the other has a tool. They can be controlled by humans either directly or over a distance. A computer-... | Mechanical arm | Engineering | 2,152 |
1,565,386 | https://en.wikipedia.org/wiki/HD%20108147 | HD 108147, also known as Tupã, is a 7th magnitude star in the constellation of Crux in direct line with and very near to the bright star Acrux or Alpha Crucis. It is either a yellow-white or yellow dwarf (the line is arbitrary and the colour difference is only from classification, not real), slightly brighter and more ... | HD 108147 | Astronomy | 363 |
12,297,789 | https://en.wikipedia.org/wiki/Wildlife%20of%20Mauritius | The wildlife of Mauritius consists of its flora and fauna. Mauritius is located in the Indian Ocean to the east of Madagascar. Due to its isolation, it has a relatively low diversity of wildlife; however, a high proportion of these are endemic species occurring nowhere else in the world. Many of these are now threatene... | Wildlife of Mauritius | Biology | 7,032 |
763,256 | https://en.wikipedia.org/wiki/Pier%20Luigi%20Nervi | Pier Luigi Nervi (21 June 1891 – 9 January 1979) was an Italian engineer and architect. He studied at the University of Bologna graduating in 1913. Nervi taught as a professor of engineering at Rome University from 1946 to 1961 and is known worldwide as a structural engineer and architect and for his innovative use of ... | Pier Luigi Nervi | Engineering | 1,425 |
15,214,974 | https://en.wikipedia.org/wiki/HBAP1 | Hemoglobin, alpha pseudogene 1, also known as HBAP1, is a human gene.
References
Further reading
Pseudogenes | HBAP1 | Chemistry | 32 |
14,656,113 | https://en.wikipedia.org/wiki/Oil%20megaprojects%20%282004%29 | This page summarizes projects that brought more than of new liquid fuel capacity to market with the first production of fuel beginning in 2004. This is part of the Wikipedia summary of Oil Megaprojects—see that page for further details. 2004 saw 24 projects come on stream with an aggregate capacity of when full pro... | Oil megaprojects (2004) | Engineering | 123 |
177,696 | https://en.wikipedia.org/wiki/Energy%20economics | Energy economics is a broad scientific subject area which includes topics related to supply and use of energy in societies. Considering the cost of energy services and associated value gives economic meaning to the efficiency at which energy can be produced. Energy services can be defined as functions that generate and... | Energy economics | Physics,Environmental_science | 1,853 |
531,858 | https://en.wikipedia.org/wiki/Vanuatu%20rain%20forests | The Vanuatu rain forests are tropical and subtropical moist broadleaf forests ecoregion which includes the islands of Vanuatu, as well as the Santa Cruz Islands group of the neighboring Solomon Islands. It is part of the Australasian realm, which includes neighboring New Caledonia and the Solomon Islands, as well as Au... | Vanuatu rain forests | Biology | 2,195 |
2,227,485 | https://en.wikipedia.org/wiki/Recursive%20data%20type | In computer programming languages, a recursive data type (also known as a recursively-defined, inductively-defined or inductive data type) is a data type for values that may contain other values of the same type. Data of recursive types are usually viewed as directed graphs.
An important application of recursion in co... | Recursive data type | Mathematics | 1,488 |
1,812,188 | https://en.wikipedia.org/wiki/Convective%20overshoot | Convective overshoot is a phenomenon of convection carrying material beyond an unstable region of the atmosphere into a stratified, stable region. Overshoot is caused by the momentum of the convecting material, which carries the material beyond the unstable region.
Deep, moist convection in Earth's atmosphere
One ex... | Convective overshoot | Physics | 451 |
43,595,892 | https://en.wikipedia.org/wiki/POlarization%20Emission%20of%20Millimeter%20Activity%20at%20the%20Sun | The POlarization Emission of Millimeter Activity at the Sun (POEMAS) is a solar patrol system composed of two radio telescopes with superheterodyne circular polarization receivers at 45 and 90 GHz. Since their half power beam width is around 1.4°, they observe the full sun. The acquisition system allows to gather 100 v... | POlarization Emission of Millimeter Activity at the Sun | Astronomy | 753 |
1,724,996 | https://en.wikipedia.org/wiki/Undo | Undo is an interaction technique which is implemented in many computer programs. It erases the last change done to the document, reverting it to an older state. In some more advanced programs, such as graphic processing, undo will negate the last command done to the file being edited. With the possibility of undo, user... | Undo | Physics | 2,945 |
7,835,738 | https://en.wikipedia.org/wiki/Combinatorial%20explosion | In mathematics, a combinatorial explosion is the rapid growth of the complexity of a problem due to the way its combinatorics depends on input, constraints and bounds. Combinatorial explosion is sometimes used to justify the intractability of certain problems. Examples of such problems include certain mathematical func... | Combinatorial explosion | Mathematics | 1,336 |
39,668,177 | https://en.wikipedia.org/wiki/Combinatorial%20Chemistry%20%26%20High%20Throughput%20Screening | Combinatorial Chemistry & High Throughput Screening is a peer-reviewed scientific journal that covers combinatorial chemistry. It was established in 1998 and is published by Bentham Science Publishers. The editor-in-chief is Gerald H. Lushington (LiS Consulting, Lawrence, KS, USA). The journal has 5 sections: Combinato... | Combinatorial Chemistry & High Throughput Screening | Chemistry,Materials_science,Mathematics,Engineering | 171 |
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