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 |
|---|---|---|---|---|---|
42,480,494 | https://en.wikipedia.org/wiki/En-ring | In mathematics, an -algebra in a symmetric monoidal infinity category C consists of the following data:
An object for any open subset U of Rn homeomorphic to an n-disk.
A multiplication map:
for any disjoint open disks contained in some open disk V
subject to the requirements that the multiplication maps are compati... | En-ring | Mathematics | 279 |
51,165,385 | https://en.wikipedia.org/wiki/TCP-seq | Translation complex profile sequencing (TCP-seq) is a molecular biology method for obtaining snapshots of momentary distribution of protein synthesis complexes along messenger RNA (mRNA) chains.
Application
Expression of genetic code in all life forms consists of two major processes, synthesis of copies of the geneti... | TCP-seq | Chemistry,Biology | 1,313 |
6,988,866 | https://en.wikipedia.org/wiki/Directed%20percolation | In statistical physics, directed percolation (DP) refers to a class of models that mimic filtering of fluids through porous materials along a given direction, due to the effect of gravity. Varying the microscopic connectivity of the pores, these models display a phase transition from a macroscopically permeable (percol... | Directed percolation | Physics,Chemistry,Materials_science,Mathematics | 1,024 |
6,432,722 | https://en.wikipedia.org/wiki/Photon%20polarization | Photon polarization is the quantum mechanical description of the classical polarized sinusoidal plane electromagnetic wave. An individual photon can be described as having right or left circular polarization, or a superposition of the two. Equivalently, a photon can be described as having horizontal or vertical linear ... | Photon polarization | Physics | 3,652 |
36,180,950 | https://en.wikipedia.org/wiki/Flat%20convergence | In mathematics, flat convergence is a notion for convergence of submanifolds of Euclidean space. It was first introduced by Hassler Whitney in 1957, and then extended to integral currents by Federer and Fleming in 1960. It forms a fundamental part of the field of geometric measure theory. The notion was applied to ... | Flat convergence | Mathematics | 444 |
62,485,831 | https://en.wikipedia.org/wiki/Ted%20Janssen | Theo Willem Jan Marie Janssen (13 August 1936 – 29 September 2017), better known as Ted Janssen, was a Dutch physicist and Full Professor of Theoretical Physics at the Radboud University Nijmegen. Together with Pim de Wolff and Aloysio Janner, he was one of the founding fathers of N-dimensional superspace approach in c... | Ted Janssen | Physics,Chemistry,Materials_science,Mathematics | 1,701 |
3,084,771 | https://en.wikipedia.org/wiki/Electric%20bicycle%20laws | Many countries have enacted electric vehicle laws to regulate the use of electric bicycles, also termed e-bikes. Some jurisdictions have regulations governing safety requirements and standards of manufacture. The members of the European Union and other regions have wider-ranging legislation covering use and safety.
La... | Electric bicycle laws | Engineering | 16,669 |
54,214,587 | https://en.wikipedia.org/wiki/HESS%20J1857%2B026 | HESS J1857+026 is a pulsar wind nebula located approximately from Earth in the constellation of Aquila.
HESS J1857+026 releases γ-rays in the range of 0.8−45 TeV. It is most likely powered by PSR J1856+0245, a pulsar located nearby.
References
Pulsar wind nebulae
Aquila (constellation) | HESS J1857+026 | Astronomy | 86 |
5,589,857 | https://en.wikipedia.org/wiki/Trust%20%28company%29 | Trust International B.V. is a Dutch company producing value digital lifestyle accessories including PC peripherals and accessories for video gaming. Based in Dordrecht, it was originally founded in 1983 as Aashima Technology B.V. before gaining its current name in 2003.
Products
The company's product lines are divide... | Trust (company) | Technology | 384 |
60,035,244 | https://en.wikipedia.org/wiki/Wildlife%20of%20Sweden | Located in the Scandinavian Peninsula, Sweden is a mountainous country dominated by lakes and forests. Its habitats include mountain heath, montane forests, tundra, taiga, beech forests, rivers, lakes, bogs, brackish, marine coasts, and cultivated land. The climate of Sweden is mild for a country at this latitude, larg... | Wildlife of Sweden | Biology | 3,040 |
23,157,224 | https://en.wikipedia.org/wiki/Spacefiller | In Conway's Game of Life and related cellular automata, a spacefiller is a pattern that spreads out indefinitely, eventually filling the entire space with a still life pattern. It typically consists of three components: stretchers that resemble spaceships at the four corners of the pattern, a growing boundary region al... | Spacefiller | Technology | 197 |
33,855,225 | https://en.wikipedia.org/wiki/Biological%20specimen | A biological specimen (also called a biospecimen) is a biological laboratory specimen held by a biorepository for research. Such a specimen would be taken by sampling so as to be representative of any other specimen taken from the source of the specimen. When biological specimens are stored, ideally they remain equival... | Biological specimen | Biology | 637 |
1,817,986 | https://en.wikipedia.org/wiki/Advertising%20campaign | An advertising campaign or marketing campaign is a series of advertisement messages that share a single idea and theme which make up an integrated marketing communication (IMC). An IMC is a platform in which a group of people can group their ideas, beliefs, and concepts into one large media base. Advertising campaigns ... | Advertising campaign | Engineering | 5,403 |
19,947,051 | https://en.wikipedia.org/wiki/Streetcorner | A streetcorner or street corner is the location which lies adjacent to an intersection of two roads. Such locations are important in terms of local planning and commerce, usually being the locations of street signs and lamp posts, as well as being a prime spot to locate a business due to visibility and accessibility fr... | Streetcorner | Engineering | 218 |
58,917,570 | https://en.wikipedia.org/wiki/Peter%20Rona%20%28physician%29 | Peter Rona, born as Peter Rosenfeld (* 13. May 1871 in Budapest; † February or March 1945) was a Hungarian German Jewish physician and physiologist.
References
Biochemists
1871 births
1945 deaths
Academic staff of the Humboldt University of Berlin
20th-century Hungarian physicians
Physicians from Budapest
Jews execut... | Peter Rona (physician) | Chemistry,Biology | 74 |
2,363,287 | https://en.wikipedia.org/wiki/Visual%20learning | Visual learning is a learning style among the learning styles of Neil Fleming's VARK model in which information is presented to a learner in a visual format. Visual learners can utilize graphs, charts, maps, diagrams, and other forms of visual stimulation to effectively interpret information. The Fleming VARK model als... | Visual learning | Technology | 2,430 |
5,509,325 | https://en.wikipedia.org/wiki/Agouti-signaling%20protein | Agouti-signaling protein is a protein that in humans is encoded by the ASIP gene. It is responsible for the distribution of melanin pigment in mammals. Agouti interacts with the melanocortin 1 receptor to determine whether the melanocyte (pigment cell) produces phaeomelanin (a red to yellow pigment), or eumelanin (a br... | Agouti-signaling protein | Chemistry | 2,662 |
52,202,598 | https://en.wikipedia.org/wiki/LS%20IV-14%20116 | LS IV-14 116 is a hot subdwarf located approximately 2,000 light years away on the border between the constellations Capricornus and Aquarius. It has a surface temperature of approximately 34,000 ± 500 kelvins. Along with stars HE 2359-2844 and HE 1256-2738, LS IV-14 116 forms a new group of star called heavy metal sub... | LS IV-14 116 | Astronomy | 308 |
16,259,862 | https://en.wikipedia.org/wiki/Polynomial%20code | In coding theory, a polynomial code is a type of linear code whose set of valid code words consists of those polynomials (usually of some fixed length) that are divisible by a given fixed polynomial (of shorter length, called the generator polynomial).
Definition
Fix a finite field , whose elements we call symbols. ... | Polynomial code | Mathematics | 1,068 |
19,923,045 | https://en.wikipedia.org/wiki/Panelh%C3%A1z | Panelház (, often shortened to panel) is a Hungarian term for a type of concrete block of flats (panel buildings), built in the People's Republic of Hungary and other Eastern Bloc countries. They are also known as Plattenbau in German, Panelák in Czech and Slovak, Blok in Polish.
It was the main urban housing type in ... | Panelház | Engineering | 1,472 |
19,381,888 | https://en.wikipedia.org/wiki/Coprophilia | Coprophilia (from Greek κόπρος, kópros 'excrement' and φιλία, philía 'liking, fondness'), also called scatophilia or scat (Greek: σκατά, skatá 'feces'), is the paraphilia involving sexual arousal and pleasure from feces.
Research
In the Diagnostic and Statistical Manual of Mental Disorders (DSM), published by the Am... | Coprophilia | Biology | 1,048 |
809,979 | https://en.wikipedia.org/wiki/Blink%20comparator | A blink comparator is a viewing apparatus formerly used by astronomers to find differences between two photographs of the night sky. It permits rapid switching from viewing one photograph to viewing the other, "blinking" back and forth between the two images taken of the same area of the sky at different times. This al... | Blink comparator | Materials_science,Astronomy,Engineering | 481 |
33,535,504 | https://en.wikipedia.org/wiki/Pilot%20direction%20indicator | A pilot direction indicator or pilot's directional indicator (PDI) is an aircraft instrument used by bombardiers to indicate heading changes to the pilot in order to direct them to the proper location to drop bombs. The PDI is used in aircraft where the pilot and bombardier are physically separated and cannot easily se... | Pilot direction indicator | Technology,Engineering | 178 |
28,345,524 | https://en.wikipedia.org/wiki/Realized%20variance | Realized variance or realised variance (RV, see spelling differences) is the sum of squared returns. For instance the RV can be the sum of squared daily returns for a particular month, which would yield a measure of price variation over this month. More commonly, the realized variance is computed as the sum of squared ... | Realized variance | Mathematics | 413 |
67,572,697 | https://en.wikipedia.org/wiki/Anke%20Weidenkaff | Anke Weidenkaff (December 27, 1966 in Hanover, Germany) is a German-Swiss chemist and materials scientist. Since 2018, she has been head of the Materials & Resources Group at the Faculty of Materials Science at Technical University Darmstadt and director of the Fraunhofer Research Institution for Materials Recycling an... | Anke Weidenkaff | Materials_science,Engineering | 800 |
2,507,954 | https://en.wikipedia.org/wiki/Cumulina | Cumulina (October 3, 1997 - May 5, 2000), a mouse, was the first animal cloned from adult cells that survived to adulthood. She was cloned using the Honolulu technique developed by "Team Yana", the Ryuzo Yanagimachi research group at the former campus of the John A. Burns School of Medicine located at the University o... | Cumulina | Biology | 305 |
1,211,612 | https://en.wikipedia.org/wiki/Idleness | Idleness is a lack of motion or energy. In describing a person, idle suggests having no labor: "idly passing the day".
In physics, an idle machine exerts no transfer of energy. When a vehicle is not in motion, an idling engine does no useful thermodynamic work. In computing, an idle processor or network circuit is no... | Idleness | Biology | 559 |
13,510,193 | https://en.wikipedia.org/wiki/Densely%20defined%20operator | In mathematics – specifically, in operator theory – a densely defined operator or partially defined operator is a type of partially defined function. In a topological sense, it is a linear operator that is defined "almost everywhere". Densely defined operators often arise in functional analysis as operations that one ... | Densely defined operator | Physics,Mathematics | 372 |
55,828,680 | https://en.wikipedia.org/wiki/Black%20Hole%20Initiative | The Black Hole Initiative (BHI) is an interdisciplinary center at Harvard University that includes the fields of astronomy, physics, and philosophy, and is claimed to be the first center in the world to focus on the study of black holes. Principal participants include Sheperd S. Doeleman, Peter Galison, Avi Loeb, Andre... | Black Hole Initiative | Physics,Astronomy | 250 |
62,293,966 | https://en.wikipedia.org/wiki/Prorenin | Prorenin () is a protein that constitutes a precursor for renin, the hormone that activates the renin–angiotensin system, which serves to raise blood pressure. Prorenin is converted into renin by the juxtaglomerular cells, which are specialised smooth muscle cells present mainly in the afferent, but also the efferent, ... | Prorenin | Chemistry | 382 |
29,970,787 | https://en.wikipedia.org/wiki/Kauri%20Museum | The Kauri Museum is in the west coast village of Matakohe, Northland, New Zealand.
The museum, to the south of the Waipoua Forest, contains many exhibits that tell the story of the pioneering days when early European settlers in the area extracted kauri timber and kauri gum.
The museum has over 4000 sq metres of under... | Kauri Museum | Physics | 312 |
17,330,825 | https://en.wikipedia.org/wiki/Perveance | Perveance is a notion used in the description of charged particle beams. The value of perveance indicates how significant the space charge effect is on the beam's motion. The term is used primarily for electron beams, in which motion is often dominated by the space charge.
Origin of the word
The word was probably cre... | Perveance | Physics | 400 |
13,289,657 | https://en.wikipedia.org/wiki/XHTML%2BMathML%2BSVG | XHTML+MathML+SVG is a W3C standard that describes an integration of MathML and Scalable Vector Graphics semantics with XHTML and Cascading Style Sheets. It is categorized as "obsolete" on the W3C's HTML Current Status page.
References
External links
W3C Working Draft
World Wide Web Consortium standards | XHTML+MathML+SVG | Technology | 73 |
22,866,377 | https://en.wikipedia.org/wiki/Biohappiness | Biohappiness, or bio-happiness, is the elevation of well-being in humans and other animals through biological methods, including germline engineering through screening embryos with genes associated with a high level of happiness, or the use of drugs intended to raise baseline levels of happiness. The object is to facil... | Biohappiness | Chemistry,Technology,Engineering,Biology | 705 |
399,115 | https://en.wikipedia.org/wiki/49%20%28number%29 | 49 (forty-nine) is the natural number following 48 and preceding 50.
In mathematics
Forty-nine is the square of the prime number seven and hence the fourth non-unitary square prime of the form p2.
It appears in the Padovan sequence, preceded by the terms 21, 28, 37 (it is the sum of the first two of these).
Along wi... | 49 (number) | Mathematics | 842 |
5,075,391 | https://en.wikipedia.org/wiki/Volterra%20space | In mathematics, in the field of topology, a topological space is said to be a Volterra space if any finite intersection of dense Gδ subsets is dense. Every Baire space is Volterra, but the converse is not true. In fact, any metrizable Volterra space is Baire.
The name refers to a paper of Vito Volterra in which he use... | Volterra space | Mathematics | 320 |
3,430,211 | https://en.wikipedia.org/wiki/Calculus%20of%20voting | Calculus of voting refers to any mathematical model which predicts voting behaviour by an electorate, including such features as participation rate. A calculus of voting represents a hypothesized decision-making process.
These models are used in political science in an attempt to capture the relative importance of va... | Calculus of voting | Mathematics | 352 |
77,954,525 | https://en.wikipedia.org/wiki/3-Chlorostyrylcaffeine | 3-Chlorostyrylcaffeine (CSC), or 8-(3-chlorostyryl)caffeine (8-CSC), is a potent and selective adenosine A2A receptor antagonist which is used in scientific research.
It has 520-fold selectivity for the adenosine A2A receptor over the adenosine A1 receptor (Ki = 54nM and 28,000nM for the rat receptors, respectively). ... | 3-Chlorostyrylcaffeine | Chemistry | 315 |
26,488,448 | https://en.wikipedia.org/wiki/Biosorption | Biosorption is a physiochemical process that occurs naturally in certain biomass which allows it to passively concentrate and bind contaminants onto its cellular structure. Biosorption can be defined as the ability of biological materials to accumulate heavy
metals from wastewater through metabolically mediated or phys... | Biosorption | Biology | 1,200 |
34,641,290 | https://en.wikipedia.org/wiki/Emotional%20geography | Emotional geography is a subtopic within human geography, more specifically cultural geography, which applies psychological theories of emotion. It is an interdisciplinary field relating emotions, geographic places and their contextual environments. These subjective feelings can be applied to individual and social cont... | Emotional geography | Environmental_science | 1,238 |
10,540,671 | https://en.wikipedia.org/wiki/CD135 | Cluster of differentiation antigen 135 (CD135) also known as fms like tyrosine kinase 3 (FLT-3 with fms standing for "feline McDonough sarcoma"), receptor-type tyrosine-protein kinase FLT3, or fetal liver kinase-2 (Flk2) is a protein that in humans is encoded by the FLT3 gene. FLT3 is a cytokine receptor which belongs ... | CD135 | Chemistry | 1,252 |
2,379,569 | https://en.wikipedia.org/wiki/Submersible%20bridge | A submersible bridge is a type of movable bridge that lowers the bridge deck below the water level to permit waterborne traffic to use the waterway. This differs from a lift bridge or table bridge, which operate by raising the roadway. Two submersible bridges exist across the Corinth Canal in Greece, one at each end, i... | Submersible bridge | Engineering | 348 |
17,106 | https://en.wikipedia.org/wiki/KA9Q | KA9Q, also called KA9Q NOS or simply NOS, was a popular early implementation of TCP/IP and associated protocols for amateur packet radio systems and smaller personal computers connected via serial lines. It was named after the amateur radio callsign of Phil Karn, who first wrote the software for a CP/M system and then ... | KA9Q | Technology | 290 |
11,553,100 | https://en.wikipedia.org/wiki/Melampsora%20medusae | Melampsora medusae is a fungal pathogen, causing a disease of woody plants. The infected trees' leaves turn yellowish-orange. The disease affects mostly conifers, e.g. the Douglas-fir, western larch, tamarack, ponderosa, and lodgepole pine trees, but also some broadleaves, e.g. trembling aspen and poplars. Coniferous h... | Melampsora medusae | Biology | 1,436 |
1,799,268 | https://en.wikipedia.org/wiki/Architecture%20description%20language | Architecture description languages (ADLs) are used in several disciplines: system engineering, software engineering, and enterprise modelling and engineering.
The system engineering community uses an architecture description language as a language and/or a conceptual model to describe and represent system architecture... | Architecture description language | Technology,Engineering | 2,398 |
31,324,140 | https://en.wikipedia.org/wiki/JAUS%20Tool%20Set | The JAUS Tool Set (JTS) is a software engineering tool for the design of software services used in a distributed computing environment. JTS provides a graphical user interface (GUI) and supporting tools for the rapid design, documentation, and implementation of service interfaces that adhere to the Society of Automoti... | JAUS Tool Set | Engineering | 1,596 |
36,115,409 | https://en.wikipedia.org/wiki/Weyl%E2%80%93von%20Neumann%20theorem | In mathematics, the Weyl–von Neumann theorem is a result in operator theory due to Hermann Weyl and John von Neumann. It states that, after the addition of a compact operator () or Hilbert–Schmidt operator () of arbitrarily small norm, a bounded self-adjoint operator or unitary operator on a Hilbert space is conjugate ... | Weyl–von Neumann theorem | Mathematics | 324 |
28,222,069 | https://en.wikipedia.org/wiki/Garden%20square | A garden square is a type of communal garden in an urban area wholly or substantially surrounded by buildings; commonly, it continues to be applied to public and private parks formed after such a garden becomes accessible to the public at large.
The archetypal garden square is surrounded by tall terraced houses and o... | Garden square | Engineering | 1,342 |
33,902,732 | https://en.wikipedia.org/wiki/Greenwood%20statistic | The Greenwood statistic is a spacing statistic and can be used to evaluate clustering of events in time or locations in space.
Definition
In general, for a given sequence of events in time or space the statistic is given by:.
where represents the interval between events or points in space and is a number between 0 a... | Greenwood statistic | Physics | 386 |
21,424,701 | https://en.wikipedia.org/wiki/Defaunation | Defaunation is the global, local, or functional extinction of animal populations or species from ecological communities. The growth of the human population, combined with advances in harvesting technologies, has led to more intense and efficient exploitation of the environment. This has resulted in the depletion of lar... | Defaunation | Biology | 2,764 |
40,292,886 | https://en.wikipedia.org/wiki/Bruceanol | Bruceanols are quassinoids isolated from Brucea antidysenterica.
Bruceanols
Bruceanol A
Bruceanol B
Bruceanol C
Bruceanol D
Bruceanol E
Bruceanol F
Bruceanol G
Bruceanol H
References
Quassinoids | Bruceanol | Chemistry | 60 |
9,737,431 | https://en.wikipedia.org/wiki/Hexamilion%20wall | The Hexamilion wall (, "six-mile wall") was a defensive wall constructed across the Isthmus of Corinth, guarding the only land route onto the Peloponnese peninsula from mainland Greece. It was constructed between AD 408 and 450, under the reign of Theodosius II.
History
Early fortifications
The Hexamilion stands at ... | Hexamilion wall | Engineering | 4,137 |
24,958,693 | https://en.wikipedia.org/wiki/Simon%20Phipps%20%28programmer%29 | Simon Phipps is a computer scientist and web and open source advocate.
Phipps was instrumental in IBM's involvement in the Java programming language, founding IBM's Java Technology Center. He left IBM for Sun Microsystems in 2000, taking leadership of Sun's open source programme from Danese Cooper. Under Phipps, most ... | Simon Phipps (programmer) | Technology | 354 |
30,677 | https://en.wikipedia.org/wiki/Tool | A tool is an object that can extend an individual's ability to modify features of the surrounding environment or help them accomplish a particular task. Although many animals use simple tools, only human beings, whose use of stone tools dates back hundreds of millennia, have been observed using tools to make other tool... | Tool | Engineering | 3,913 |
19,675,057 | https://en.wikipedia.org/wiki/Upper%20tropospheric%20cyclonic%20vortex | An upper tropospheric cyclonic vortex is a vortex, or a circulation with a definable center, that usually moves slowly from east-northeast to west-southwest and is prevalent across Northern Hemisphere's warm season. Its circulations generally do not extend below in altitude, as it is an example of a cold-core low. ... | Upper tropospheric cyclonic vortex | Chemistry,Mathematics | 1,608 |
12,060,085 | https://en.wikipedia.org/wiki/Digital%20signal%20controller | A digital signal controller (DSC) is a hybrid of microcontrollers and digital signal processors (DSPs). Like microcontrollers, DSCs have fast interrupt responses, offer control-oriented peripherals like PWMs and watchdog timers, and are usually programmed using the C programming language, although they can be programme... | Digital signal controller | Technology,Engineering | 433 |
68,607,146 | https://en.wikipedia.org/wiki/Miriani%20Griselda%20Pastoriza | Miriani Griselda Pastoriza (born 1939) is an Argentine-born Brazilian astronomer, tenured professor in the Department of Astronomy of the Institute of Physics, at the Federal University of Rio Grande do Sul, and is a member of the Brazilian Academy of Sciences.
Biography
Miriani Griselda Pastoriza was born in 1939, in... | Miriani Griselda Pastoriza | Astronomy | 666 |
1,885,672 | https://en.wikipedia.org/wiki/Keystroke-level%20model | In human–computer interaction, the keystroke-level model (KLM) predicts how long it will take an expert user to accomplish a routine task without errors using an interactive computer system. It was proposed by Stuart K. Card, Thomas P. Moran and Allen Newell in 1980 in the Communications of the ACM and published in the... | Keystroke-level model | Engineering | 2,041 |
657,187 | https://en.wikipedia.org/wiki/Mobile%20computing | Mobile computing is human–computer interaction in which a computer is expected to be transported during normal usage and allow for transmission of data, which can include voice and video transmissions. Mobile computing involves mobile communication, mobile hardware, and mobile software. Communication issues include ad ... | Mobile computing | Technology | 2,693 |
7,407,236 | https://en.wikipedia.org/wiki/TIM/TOM%20complex | The TIM/TOM complex is a protein complex in cellular biochemistry which translocates proteins produced from nuclear DNA through the mitochondrial membrane for use in oxidative phosphorylation. In enzymology, the complex is described as an mitochondrial protein-transporting ATPase (), or more systematically ATP phosphoh... | TIM/TOM complex | Chemistry | 524 |
6,959,617 | https://en.wikipedia.org/wiki/Nominal%20level | Nominal level is the operating level at which an electronic signal processing device is designed to operate. The electronic circuits that make up such equipment are limited in the maximum signal they can handle and the low-level internally generated electronic noise they add to the signal. The difference between the in... | Nominal level | Technology,Engineering | 495 |
45,260,029 | https://en.wikipedia.org/wiki/Penicillium%20coalescens | Penicillium coalescens is a fungus species of the genus of Penicillium which was isolated from soil.
See also
List of Penicillium species
References
coalescens
Fungi described in 1984
Fungus species | Penicillium coalescens | Biology | 46 |
2,309,327 | https://en.wikipedia.org/wiki/Calabi%20flow | In the mathematical fields of differential geometry and geometric analysis, the Calabi flow is a geometric flow which deforms a Kähler metric on a complex manifold. Precisely, given a Kähler manifold , the Calabi flow is given by:
,
where is a mapping from an open interval into the collection of all Kähler metrics on ... | Calabi flow | Astronomy | 430 |
78,581,512 | https://en.wikipedia.org/wiki/Starship%20Propellant%20Transfer%20Demonstration | The Starship Propellant Transfer Demo is expected to occur in 2025. A similar test occurred during Starship's third test flight, though the transfer during that test was between two tanks on the same vehicle. The ability to refuel a Starship in low orbit is critical for the Artemis program, as Starship HLS requires app... | Starship Propellant Transfer Demonstration | Astronomy | 257 |
461,410 | https://en.wikipedia.org/wiki/Arbovirus | Arbovirus is an informal name for any virus that is transmitted by arthropod vectors. The term arbovirus is a portmanteau word (arthropod-borne virus). Tibovirus (tick-borne virus) is sometimes used to more specifically describe viruses transmitted by ticks, a superorder within the arthropods. Arboviruses can affect bo... | Arbovirus | Biology | 2,799 |
75,356,654 | https://en.wikipedia.org/wiki/Navafenterol | Navafenterol is an investigational drug that had been evaluated for chronic obstructive pulmonary disease. It is a Beta2 agonist and a muscarinic antagonist. Further development has been discontinued for strategic reasons.
References
Beta2-adrenergic agonists
Muscarinic antagonists
Benzotriazoles
Quinolinols
Thiophe... | Navafenterol | Chemistry | 98 |
37,388,708 | https://en.wikipedia.org/wiki/Cadmium%20chromate | Cadmium chromate is the inorganic compound with the formula CdCrO4. It is relevant to chromate conversion coating, which is used to passivate common metal alloys such as aluminium, zinc, cadmium, copper, silver, magnesium, and tin. In conversion coating chromate reacts with these metals to prevent corrosion, retain e... | Cadmium chromate | Chemistry | 118 |
26,062,564 | https://en.wikipedia.org/wiki/Cancer%20genome%20sequencing | Cancer genome sequencing is the whole genome sequencing of a single, homogeneous or heterogeneous group of cancer cells. It is a biochemical laboratory method for the characterization and identification of the DNA or RNA sequences of cancer cell(s).
Unlike whole genome (WG) sequencing which is typically from blood cel... | Cancer genome sequencing | Chemistry,Biology | 2,368 |
7,485,092 | https://en.wikipedia.org/wiki/Montipora | Montipora is a genus of Scleractinian corals in the phylum Cnidaria. Members of the genus Montipora may exhibit many different growth morphologies. With eighty five known species, Montipora is the second most species rich coral genus after Acropora.
Description
Growth morphologies for the genus Montipora include subm... | Montipora | Biology | 1,480 |
43,972,057 | https://en.wikipedia.org/wiki/Semantic%20heterogeneity | Semantic heterogeneity is when database schema or datasets for the same domain are developed by independent parties, resulting in differences in meaning and interpretation of data values. Beyond structured data, the problem of semantic heterogeneity is compounded due to the flexibility of semi-structured data and vario... | Semantic heterogeneity | Technology,Engineering | 900 |
62,529 | https://en.wikipedia.org/wiki/Sea%20level | Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical datuma standardised geodetic datumthat is used, for example, as a chart datum in cartography and ... | Sea level | Physics,Mathematics | 2,204 |
60,203,108 | https://en.wikipedia.org/wiki/Maneuvering%20Characteristics%20Augmentation%20System | The Maneuvering Characteristics Augmentation System (MCAS) is a flight stabilizing feature developed by Boeing that became notorious for its role in two fatal accidents of the 737 MAX in 2018 and 2019, which killed all 346 passengers and crew among both flights.
Because the CFM International LEAP engine used on the 7... | Maneuvering Characteristics Augmentation System | Technology,Engineering | 7,969 |
68,349,528 | https://en.wikipedia.org/wiki/Zeta%20Octantis | Zeta Octantis, Latinized from ζ Octantis, is a solitary, yellowish-white hued star located in the southern circumpolar constellation Octans. It has an apparent magnitude of 5.42, making it faintly visible to the naked eye under ideal conditions. The star is located relatively close at a distance of only 156 light-years... | Zeta Octantis | Astronomy | 335 |
14,567,369 | https://en.wikipedia.org/wiki/Born-digital | The term born-digital refers to materials that originate in a digital form. This is in contrast to digital reformatting, through which analog materials become digital, as in the case of files created by scanning physical paper records. It is most often used in relation to digital libraries and the issues that go along... | Born-digital | Technology | 2,759 |
12,767,009 | https://en.wikipedia.org/wiki/Plate%20count%20agar | Plate count agar (PCA), also called standard methods agar (SMA), is a microbiological growth medium commonly used to assess or to monitor "total" or viable bacterial growth of a sample. PCA is not a selective medium.
The total number of living aerobic bacteria can be determined using a plate count agar which is a subs... | Plate count agar | Biology | 784 |
60,035,737 | https://en.wikipedia.org/wiki/Over-the-top%20media%20services%20in%20India | There are currently about 57 providers of over-the-top media services (OTT) in India, which distribute streaming media or video on demand over the Internet.
History and growth
The first dependent Indian OTT platform was BIGFlix, launched by Reliance Entertainment in 2008.
In 2010 Digivive launched India's first OTT mo... | Over-the-top media services in India | Technology,Engineering | 1,903 |
4,142,564 | https://en.wikipedia.org/wiki/HTML%20email | HTML email is the use of a subset of HTML to provide formatting and semantic markup capabilities in email that are not available with plain text: Text can be linked without displaying a URL, or breaking long URLs into multiple pieces. Text is wrapped to fit the width of the viewing window, rather than uniformly breakin... | HTML email | Technology | 1,725 |
73,597,668 | https://en.wikipedia.org/wiki/State%20of%20Happiness | State of Happiness () is a Norwegian period drama television series about the discovery of oil in the North Sea, and subsequent growth of the petroleum industry in Stavanger, beginning in 1969. It is directed by Petter Næss and Pål Jackman, written by Mette Marit Bølstad and coproduced by NRK and Maipo Film. Its first ... | State of Happiness | Chemistry | 659 |
12,079,977 | https://en.wikipedia.org/wiki/Flood%20insurance%20rate%20map | A flood insurance rate map (FIRM) is an official map of a community within the United States that displays the floodplains, more explicitly special hazard areas and risk premium zones, as delineated by the Federal Emergency Management Agency (FEMA). The term is used mainly in the United States but similar maps exist i... | Flood insurance rate map | Environmental_science | 507 |
2,584,445 | https://en.wikipedia.org/wiki/Ferrovanadium | Ferrovanadium (FeV) is an alloy formed by combining iron and vanadium with a vanadium content range of 35–85%. The production of this alloy results in a grayish silver crystalline solid that can be crushed into a powder called "ferrovanadium dust".
Ferrovanadium is a universal hardener, strengthener and anti-corrosive ... | Ferrovanadium | Chemistry | 1,235 |
51,223,451 | https://en.wikipedia.org/wiki/NGC%207582 | NGC 7582 is a spiral galaxy of the Hubble type SB(s)ab in the constellation Grus. It has an angular size of 5.0' × 2.1' and an apparent magnitude of 11.37. It is about 70 million light years away from Earth and has a diameter of about 100,000 light years. The galaxy is classified as a Seyfert 2 galaxy, a type of active... | NGC 7582 | Astronomy | 140 |
5,170,782 | https://en.wikipedia.org/wiki/Cation%E2%80%93%CF%80%20interaction | Cation–π interaction is a noncovalent molecular interaction between the face of an electron-rich π system (e.g. benzene, ethylene, acetylene) and an adjacent cation (e.g. Li+, Na+). This interaction is an example of noncovalent bonding between a monopole (cation) and a quadrupole (π system). Bonding energies are signi... | Cation–π interaction | Physics,Chemistry,Materials_science | 3,980 |
42,146,937 | https://en.wikipedia.org/wiki/Lang%27s%20theorem | In algebraic geometry, Lang's theorem, introduced by Serge Lang, states: if G is a connected smooth algebraic group over a finite field , then, writing for the Frobenius, the morphism of varieties
is surjective. Note that the kernel of this map (i.e., ) is precisely .
The theorem implies that
vanishes, and, con... | Lang's theorem | Mathematics | 518 |
4,613,509 | https://en.wikipedia.org/wiki/Root%20cellar | A root cellar (American and Canadian English), fruit cellar (Mid-Western American English) or earth cellar (British English) is a structure, usually underground or partially underground, used for storage of vegetables, fruits, nuts, or other foods. Its name reflects the traditional focus on root crops stored in an unde... | Root cellar | Engineering | 1,472 |
5,654,862 | https://en.wikipedia.org/wiki/Fire%20lookout%20tower | A fire lookout tower, fire tower, or lookout tower is a tower that provides housing and protection for a person known as a "fire lookout", whose duty it is to search for wildfires in the wilderness. It is a small building, usually on the summit of a mountain or other high vantage point to maximize viewing distance and ... | Fire lookout tower | Engineering | 2,874 |
14,484,306 | https://en.wikipedia.org/wiki/Proof%20mining | In proof theory, a branch of mathematical logic, proof mining (or proof unwinding) is a research program that studies or analyzes formalized proofs, especially in analysis, to obtain explicit bounds, ranges or rates of convergence from proofs that, when expressed in natural language, appear to be nonconstructive.
This ... | Proof mining | Mathematics | 156 |
42,689,830 | https://en.wikipedia.org/wiki/Kamaz%20Typhoon | KamAZ Typhoon () is a family of Russian multi-functional, modular, armored mine-resistant ambush protected vehicles manufactured by the Russian truck builder KAMAZ. The Typhoon family is part of Russia's Typhoon program. As of 2021, the number of Typhoons in the Russian Armed Forces fleet was about 330 units of Typhoo... | Kamaz Typhoon | Engineering | 1,121 |
64,814 | https://en.wikipedia.org/wiki/Andr%C3%A9-Louis%20Danjon | André-Louis Danjon (; 6 April 1890 – 21 April 1967) was a French astronomer who served as director of the Observatory of Strasbourg from 1930 to 1945 and of the Paris Observatory from 1945 to 1963. He developed several astronomical instruments to examine the regularity of the rotation of the earth and among his discove... | André-Louis Danjon | Astronomy | 1,011 |
69,867,676 | https://en.wikipedia.org/wiki/Lewandowski-Kurowicka-Joe%20distribution | In probability theory and Bayesian statistics, the Lewandowski-Kurowicka-Joe distribution, often referred to as the LKJ distribution, is a probability distribution over positive definite symmetric matrices with unit diagonals.
Introduction
The LKJ distribution was first introduced in 2009 in a more general context b... | Lewandowski-Kurowicka-Joe distribution | Physics,Mathematics | 303 |
69,860,650 | https://en.wikipedia.org/wiki/Atlas%20of%20AI | Atlas of AI: Power, Politics, and the Planetary Costs of Artificial Intelligence is a book by Australian academic Kate Crawford. It is based on Crawford's research into the development and labor behind artificial intelligence, as well as AI's impact on the world.
Overview
The book is mainly concerned with the ethics ... | Atlas of AI | Technology | 636 |
25,505,540 | https://en.wikipedia.org/wiki/Woodhead%20Dam | Woodhead Dam is a dam on Table Mountain, Western Cape, South Africa. It was built in 1897 and supplies water to Cape Town. The dam, which was the first large masonry dam in South Africa, was designated as an International Historic Civil Engineering Landmark by the American Society of Civil Engineers in 2008.
History
... | Woodhead Dam | Engineering | 363 |
6,033,433 | https://en.wikipedia.org/wiki/Cutan%20%28polymer%29 | Cutan is one of two waxy biopolymers which occur in the cuticle of some plants. The other and better-known polymer is cutin. Cutan is believed to be a hydrocarbon polymer, whereas cutin is a polyester, but the structure and synthesis of cutan are not yet fully understood. Cutan is not present in as many plants as once ... | Cutan (polymer) | Chemistry,Biology | 273 |
5,412,385 | https://en.wikipedia.org/wiki/Tom%20Liston | Tom Liston is the founder and owner of the Johnsburg,_Illinois-based network security consulting firm, Bad Wolf Security.
He is the author of the first network tarpit, the open source LaBrea. He was a finalist for eWeek and PC Magazine’s "Innovations In Infrastructure" (i3) award in 2002 for LaBrea. He is one of the ... | Tom Liston | Technology | 169 |
1,509,289 | https://en.wikipedia.org/wiki/Magnetostatics | Magnetostatics is the study of magnetic fields in systems where the currents are steady (not changing with time). It is the magnetic analogue of electrostatics, where the charges are stationary. The magnetization need not be static; the equations of magnetostatics can be used to predict fast magnetic switching events t... | Magnetostatics | Physics,Chemistry,Materials_science,Engineering | 873 |
4,196,082 | https://en.wikipedia.org/wiki/Arc%20converter | The arc converter, sometimes called the arc transmitter, or Poulsen arc after Danish engineer Valdemar Poulsen who invented it in 1903, was a variety of spark transmitter used in early wireless telegraphy. The arc converter used an electric arc to convert direct current electricity into radio frequency alternating curr... | Arc converter | Physics,Engineering | 2,343 |
15,184,596 | https://en.wikipedia.org/wiki/IEC%2061970 | The IEC 61970 series of standards by the International Electrotechnical Commission (IEC) deals with the application program interfaces for energy management systems (EMS). The series provides a set of guidelines and standards to facilitate:
The integration of applications developed by different suppliers in the contro... | IEC 61970 | Technology | 189 |
48,719,972 | https://en.wikipedia.org/wiki/Diversification%20rates | Diversification rates are the rates at which new species form (the Speciation rate, λ) and living species go extinct (the extinction rate, μ). Diversification rates can be estimated from fossils, data on the species diversity of clades and their ages, or phylogenetic trees. Diversification rates are typically reported ... | Diversification rates | Biology | 607 |
1,411,074 | https://en.wikipedia.org/wiki/Strontium%20chloride | Strontium chloride (SrCl2) is a salt of strontium and chloride. It is a 'typical' salt, forming neutral aqueous solutions. As with all compounds of strontium, this salt emits a bright red colour in flame, and is commonly used in fireworks to that effect. Its properties are intermediate between those for barium chloride... | Strontium chloride | Chemistry | 801 |
14,457,671 | https://en.wikipedia.org/wiki/Sedoheptulose-bisphosphatase | Sedoheptulose-bisphosphatase (also sedoheptulose-1,7-bisphosphatase or SBPase, EC number 3.1.3.37; systematic name sedoheptulose-1,7-bisphosphate 1-phosphohydrolase) is an enzyme that catalyzes the removal of a phosphate group from sedoheptulose 1,7-bisphosphate to produce sedoheptulose 7-phosphate. SBPase is an exampl... | Sedoheptulose-bisphosphatase | Chemistry,Biology | 1,433 |
18,756,845 | https://en.wikipedia.org/wiki/History%20of%20attachment%20theory | Attachment theory, originating in the work of John Bowlby, is a psychological, evolutionary and ethological theory that provides a descriptive and explanatory framework for understanding interpersonal relationships between human beings.
In order to formulate a comprehensive theory of the nature of early attachments, B... | History of attachment theory | Biology | 6,178 |
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