id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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36,401,358 | https://en.wikipedia.org/wiki/OPS%205111 | OPS 5111, also known as Navstar 1, NDS-1, GPS I-1 and GPS SVN-1, was an American navigation satellite launched in 1978 as part of the Global Positioning System development program. It was the first GPS satellite to be launched, and one of eleven Block I demonstration satellites.
Background
Global Positioning System (... | OPS 5111 | Technology | 497 |
52,319,534 | https://en.wikipedia.org/wiki/Tesevatinib | Tesevatinib (KD019, XL647) is an experimental drug proposed for use in kidney cancer and polycystic kidney disease. The drug was first developed by Exelixis, Inc. and was later acquired by Kadmon Corporation. Tesevatinib binds to and inhibits several tyrosine receptor kinases that play major roles in tumor cell prolife... | Tesevatinib | Biology | 264 |
1,983,541 | https://en.wikipedia.org/wiki/Air%20interface | The air interface, or access mode, is the communication link between the two stations in mobile or wireless communication. The air interface involves both the physical and data link layers (layer 1 and 2) of the OSI model for a connection.
Physical Layer
The physical connection of an air interface is generally radio-b... | Air interface | Technology,Engineering | 755 |
1,014,906 | https://en.wikipedia.org/wiki/Cyclomatic%20complexity | Cyclomatic complexity is a software metric used to indicate the complexity of a program. It is a quantitative measure of the number of linearly independent paths through a program's source code. It was developed by Thomas J. McCabe, Sr. in 1976.
Cyclomatic complexity is computed using the control-flow graph of the pro... | Cyclomatic complexity | Mathematics,Engineering | 3,060 |
12,274,852 | https://en.wikipedia.org/wiki/Transistor%20array | Transistor arrays consist of two or more transistors on a common substrate. Unlike more highly integrated circuits, the transistors can be used individually like discrete transistors. That is, the transistors in the array are not connected to each other to implement a specific function. Transistor arrays can consist of... | Transistor array | Technology,Engineering | 381 |
2,341,744 | https://en.wikipedia.org/wiki/Polystyrene%20sulfonate | Polystyrene sulfonates are a group of medications used to treat high blood potassium. Effects generally take hours to days. They are also used to remove potassium, calcium, and sodium from solutions in technical applications.
Common side effects include loss of appetite, gastrointestinal upset, constipation, and low b... | Polystyrene sulfonate | Physics,Chemistry | 1,174 |
28,327,642 | https://en.wikipedia.org/wiki/VTD-XML | Virtual Token Descriptor for eXtensible Markup Language (VTD-XML) refers to a collection of cross-platform XML processing technologies centered on a non-extractive XML, "document-centric" parsing technique called Virtual Token Descriptor (VTD). Depending on the perspective, VTD-XML can be viewed as one of the following... | VTD-XML | Technology | 2,869 |
52,649,487 | https://en.wikipedia.org/wiki/CloudSight | CloudSight, Inc. is a Los Angeles, California–based technology company that specializes in captioning and understanding images using AI.
History
CloudSight was founded in 2012 by Dominik Mazur and Bradford Folkens. It was previously known as Image Searcher, Inc. and then CamFind, Inc., respectively. In 2016, the comp... | CloudSight | Technology | 471 |
49,441,428 | https://en.wikipedia.org/wiki/Mesentoblast | Mesentoblasts, also called 4d cells, are the cells from which the mesoderm originates. Mesentoblasts are found in the blastopore area between the endoderm and the ectoderm. In protostomes the embryos are mosaic, so mesentoblast removal will result in failure of formation of the mesoderm and other structures related to ... | Mesentoblast | Biology | 134 |
816,070 | https://en.wikipedia.org/wiki/Length%20of%20a%20module | In algebra, the length of a module over a ring is a generalization of the dimension of a vector space which measures its size. page 153 It is defined to be the length of the longest chain of submodules. For vector spaces (modules over a field), the length equals the dimension. If is an algebra over a field , the leng... | Length of a module | Mathematics | 1,447 |
39,016,464 | https://en.wikipedia.org/wiki/Desktop%20Developers%27%20Conference | The Desktop Developers' Conference was a Linux conference where developers discussed and worked on X11, Linux desktops like GNOME and KDE, FreeDesktop.org projects, and desktop software such as web browsers, office suites, and groupware. The conference took place in Ottawa, Ontario, Canada each year — just before the L... | Desktop Developers' Conference | Technology | 102 |
22,157,068 | https://en.wikipedia.org/wiki/Multislice | The multislice algorithm is a method for the simulation of the elastic scattering of an electron beam with matter, including all multiple scattering effects. The method is reviewed in the book by John M. Cowley, and also the work by Ishizuka. The algorithm is used in the simulation of high resolution transmission elect... | Multislice | Chemistry,Mathematics | 2,941 |
27,159,329 | https://en.wikipedia.org/wiki/Siegel%20G-function | In mathematics, the Siegel G-functions are a class of functions in transcendental number theory introduced by C. L. Siegel. They satisfy a linear differential equation with polynomial coefficients, and the coefficients of their power series expansion lie in a fixed algebraic number field and have heights of at most ex... | Siegel G-function | Mathematics | 244 |
8,318,412 | https://en.wikipedia.org/wiki/Articulatory%20phonology | Articulatory phonology is a linguistic theory originally proposed in 1986 by Catherine Browman of Haskins Laboratories and Louis Goldstein of University of Southern California and Haskins. The theory identifies theoretical discrepancies between phonetics and phonology and aims to unify the two by treating them as low- ... | Articulatory phonology | Technology | 744 |
53,507,375 | https://en.wikipedia.org/wiki/Stears%20%28company%29 | Stears is a market intelligence company for investing in Africa, with headquarters in Lagos, Abuja, and London. Initially established as a media publication called Stears Business, the company was founded in 2017 by Preston Ideh, Abdul Abdulrahim, Foluso Ogunlana, and Michael Famoroti, who met at the London School of E... | Stears (company) | Technology | 225 |
21,538,523 | https://en.wikipedia.org/wiki/EN%201063 | EN 1063, or CEN 1063, is a security glazing standard created by the European Committee for Standardization for measuring the protective strength of bullet-resistant glass. It is commonly used in conjunction with EN 1522 (Euronorm standard for Bullet Resistance in Windows, Doors, Shutters and Blinds) to form a ballistic... | EN 1063 | Materials_science,Engineering | 407 |
55,835,384 | https://en.wikipedia.org/wiki/Porhalaan | The Porhalaan is the traditional calendar of the Batak people of North Sumatra, Indonesia. The Batak Calendar is a lunisolar calendar consisting of 12 months divided to 30 days with an occasional leap month. The Batak calendar is derived from Hindu calendar. The Batak people do not use the porhalaan as a mean to tell t... | Porhalaan | Physics | 973 |
62,588,724 | https://en.wikipedia.org/wiki/Cui%20Tiejun | Cui Tiejun (; born September 1965) is a Chinese electrical engineer specializing in electromagnetic field and microwave technology. He is the deputy director of Southeast University's State Key Laboratory of Millimeter Waves and the Synergetic Innovation Center of Wireless Communication Technology and deputy dean of Sc... | Cui Tiejun | Materials_science | 348 |
10,117,909 | https://en.wikipedia.org/wiki/The%20Pesticide%20Question | The Pesticide Question: Environment, Economics and Ethics is a 1993 book edited by David Pimentel and Hugh Lehman. Use of pesticides has improved agricultural productivity, but there are also concerns about safety, health and the environment.
This book is the result of research by leading scientists and policy expert... | The Pesticide Question | Biology,Environmental_science | 393 |
43,376,012 | https://en.wikipedia.org/wiki/Social%20uterus | Social uterus is a developmental concept in family therapy for psychosomatic disorders.
Social uterus as an integrative model of family development was invented by Vladislav Chvála and Ludmila Trapková in 1990's.
The metaphor of a social uterus was formed by comparing the biological function of the uterus and the mat... | Social uterus | Biology | 321 |
57,375,630 | https://en.wikipedia.org/wiki/Maclear%27s%20Beacon | Maclear's Beacon is a triangulation station used in Maclear's arc measurement for Earth's circumference determination.
The beacon is situated on top of Table Mountain in Cape Town, South Africa. It is situated on the Eastern end on the plateau of the mountain, roughly 3km from the Cable Car Station.
The beacon is ab... | Maclear's Beacon | Mathematics | 305 |
30,553,860 | https://en.wikipedia.org/wiki/Prix%20Jules%20Janssen | The Prix Jules Janssen is the highest award of the Société astronomique de France (SAF), the French astronomical society.
This annual prize is given to a professional French astronomer or to an astronomer of another nationality in recognition of astronomical work in general, or for services rendered to Astronomy. The ... | Prix Jules Janssen | Astronomy,Technology | 322 |
25,495,841 | https://en.wikipedia.org/wiki/Solar%20eclipse%20of%20March%2031%2C%202071 | An annular solar eclipse will occur at the Moon's descending node of orbit on Tuesday, March 31, 2071, with a magnitude of 0.9919. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. An annular solar eclipse occurs when t... | Solar eclipse of March 31, 2071 | Astronomy | 649 |
70,161,885 | https://en.wikipedia.org/wiki/2%2C4%2C6-Tri-tert-butylpyrimidine | 2,4,6-Tri-tert-butylpyrimidine is the organic compound with the formula HC(ButC)2N2CtBu where tBu = (CH3)3C. It is a substituted derivative of the heterocycle pyrimidine. Known also as TTBP, this compound is of interest as a base that is sufficiently bulky to not bind boron trifluoride but still able to bind protons.... | 2,4,6-Tri-tert-butylpyrimidine | Chemistry | 192 |
39,698,430 | https://en.wikipedia.org/wiki/Wildlife%20farming | Wildlife farming refers to the raising of traditionally undomesticated animals in an agricultural setting to produce: living animals for canned hunting and to be kept as pets; commodities such as food and traditional medicine; and materials like leather, fur and fiber.
Purported benefits
Some conservationists argue, w... | Wildlife farming | Biology | 382 |
19,325,934 | https://en.wikipedia.org/wiki/Inyoite | Inyoite, named after Inyo County, California, where it was discovered in 1914, is a colourless monoclinic mineral. It turns white on dehydration. Its chemical formula is Ca(HBO)(OH)·4HO or CaB3O3(OH)5·4H2O. Associated minerals include priceite, meyerhofferite, colemanite, hydroboracite, ulexite and gypsum.
References
... | Inyoite | Chemistry | 130 |
391,251 | https://en.wikipedia.org/wiki/Stark%E2%80%93Heegner%20theorem | In number theory, the Heegner theorem establishes the complete list of the quadratic imaginary number fields whose rings of integers are principal ideal domains. It solves a special case of Gauss's class number problem of determining the number of imaginary quadratic fields that have a given fixed class number.
Let ... | Stark–Heegner theorem | Mathematics | 698 |
28,325,493 | https://en.wikipedia.org/wiki/Balbis | In geometry, a balbis is a geometric shape that can be colloquially defined as a single (primary) line that is terminated by a (secondary) line at one endpoint and by a (secondary) line at the other endpoint. The terminating secondary lines are at right angles to the primary line. Its parallel sides are of indefinite ... | Balbis | Mathematics | 339 |
44,893,163 | https://en.wikipedia.org/wiki/New%20Formalism%20%28architecture%29 | New Formalism is an architectural style that emerged in the United States during the mid-1950s and flowered in the 1960s. Buildings designed in that style exhibited many Classical elements including "strict symmetrical elevations" building proportion and scale, Classical columns, highly stylized entablatures and colonn... | New Formalism (architecture) | Engineering | 526 |
48,599,028 | https://en.wikipedia.org/wiki/Evert%20Jan%20Baerends | Evert Jan Baerends (born 17 September 1945) is a Dutch theoretical chemist. He is an emeritus professor of the Vrije Universiteit Amsterdam. Baerends is known for his development and application of electronic structure calculations, which over time led to the development of the Amsterdam Density Functional. He worked e... | Evert Jan Baerends | Chemistry | 346 |
4,917,048 | https://en.wikipedia.org/wiki/Sterol%20regulatory%20element-binding%20protein | Sterol regulatory element-binding proteins (SREBPs) are transcription factors that bind to the sterol regulatory element DNA sequence TCACNCCAC. Mammalian SREBPs are encoded by the genes SREBF1 and SREBF2. SREBPs belong to the basic-helix-loop-helix leucine zipper class of transcription factors. Unactivated SREBPs are... | Sterol regulatory element-binding protein | Chemistry,Biology | 1,995 |
19,568,001 | https://en.wikipedia.org/wiki/Cauchy%20elastic%20material | In physics, a Cauchy-elastic material is one in which the stress at each point is determined only by the current state of deformation with respect to an arbitrary reference configuration. A Cauchy-elastic material is also called a simple elastic material.
It follows from this definition that the stress in a Cauchy-ela... | Cauchy elastic material | Physics,Materials_science | 674 |
5,847,675 | https://en.wikipedia.org/wiki/Buffalo%20network-attached%20storage%20series | The Buffalo TeraStation network-attached storage series are network-attached storage (NAS) devices.
The current lineup includes the LinkStation and TeraStation series. These devices have undergone various improvements since they were first produced, and have expanded to include a Windows Storage Server-based operating... | Buffalo network-attached storage series | Technology,Engineering | 905 |
20,885,991 | https://en.wikipedia.org/wiki/Oxacephem | An oxacephem is a β-lactam molecule similar to a cephem, but with an oxygen substituted for the sulfur. They are synthetic compounds not seen in nature, generally used as β-lactam antibiotics. Examples include Latamoxef and Flomoxef.
References
Antibiotics | Oxacephem | Biology | 62 |
38,433,629 | https://en.wikipedia.org/wiki/Neurochemistry%20International | Neurochemistry International is a peer-reviewed scientific journal covering research in neurochemistry, including molecular and cellular neurochemistry, neuropharmacology and genetic aspects of central nervous system function, neuroimmunology, metabolism as well as the neurochemistry of neurological and psychiatric dis... | Neurochemistry International | Chemistry,Biology | 136 |
286,550 | https://en.wikipedia.org/wiki/Safety-critical%20system | A safety-critical system or life-critical system is a system whose failure or malfunction may result in one (or more) of the following outcomes:
death or serious injury to people
loss or severe damage to equipment/property
environmental harm
A safety-related system (or sometimes safety-involved system) comprises e... | Safety-critical system | Chemistry,Technology,Engineering | 1,730 |
14,777,746 | https://en.wikipedia.org/wiki/60S%20ribosomal%20protein%20L3 | 60S ribosomal protein L3 is a protein that in humans is encoded by the RPL3 gene.
Function
Ribosomes, the complexes that catalyze protein synthesis, consist of a small 40S subunit and a large 60S subunit. Together these subunits are composed of 4 RNA species and approximately 80 structurally distinct proteins. The R... | 60S ribosomal protein L3 | Chemistry | 216 |
75,986,282 | https://en.wikipedia.org/wiki/Wrights%20tunnel | The Wrights Tunnel (also known as the Summit Tunnel, Tunnel 2, or Tunnel 1 after the daylighting of the Cats Canyon tunnel) is a railroad tunnel located in the Santa Cruz Mountains in Santa Clara and Santa Cruz Counties, California. Opened in 1880 after almost two years of construction involving numerous fatalities, th... | Wrights tunnel | Engineering | 1,586 |
6,815,165 | https://en.wikipedia.org/wiki/Belweder%20%28TV%20set%29 | Belweder was the brand name of the OT1471 television set, manufactured in People's Republic of Poland (PRL) from 1957 to 1960 at the Warszawskie Zakłady Telewizyjne (WZT). It was the second (after the Wisła) TV set made in Poland and the first one designed entirely domestically.
The communist authorities of the PRL sa... | Belweder (TV set) | Technology | 635 |
45,248,042 | https://en.wikipedia.org/wiki/EL/M-2084 | The ELM-2084 is an Israeli ground-based mobile 3D AESA multi-mission radar (MMR) family produced by ELTA, a subsidiary of Israel Aerospace Industries.
The radar is capable of detecting and tracking both aircraft and ballistic targets and providing fire control guidance for missile interception or artillery air defense... | EL/M-2084 | Technology | 1,364 |
41,717,027 | https://en.wikipedia.org/wiki/Assisted%20feeding | Assisted feeding, also called hand feeding or oral feeding, is the action of a person feeding another person who cannot otherwise feed themselves. The term is used in the context of some medical issue or in response to a disability, such as when a person living with dementia is no longer able to manage eating alone.
Th... | Assisted feeding | Biology | 291 |
36,922,551 | https://en.wikipedia.org/wiki/%C3%89cole%20nationale%20des%20sciences%20appliqu%C3%A9es%20de%20Khouribga | The National School of Applied Sciences Sciences in Khouribga(ENSA Khouribga)' is a Moroccan public engineering school within the Sultan Moulay Souliman University of Beni Mellal. It was created in 2007 to support the government's commitment under the National Training Initiative of 10,000 engineers by 2010. It trains... | École nationale des sciences appliquées de Khouribga | Engineering | 151 |
1,151,048 | https://en.wikipedia.org/wiki/FL%20%28complexity%29 | In computational complexity theory, the complexity class FL is the set of function problems which can be solved by a deterministic Turing machine in a logarithmic amount of memory space. As in the definition of L, the machine reads its input from a read-only tape and writes its output to a write-only tape; the logarith... | FL (complexity) | Mathematics | 234 |
25,825 | https://en.wikipedia.org/wiki/Red | Red is the color at the long wavelength end of the visible spectrum of light, next to orange and opposite violet. It has a dominant wavelength of approximately 625–740 nanometres. It is a primary color in the RGB color model and a secondary color (made from magenta and yellow) in the CMYK color model, and is the comple... | Red | Physics | 9,519 |
25,464,994 | https://en.wikipedia.org/wiki/Solar%20eclipse%20of%20September%202%2C%202054 | A partial solar eclipse will occur at the Moon's ascending node of orbit between Tuesday, September 1 and Wednesday, September 2, 2054, with a magnitude of 0.9793. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. A par... | Solar eclipse of September 2, 2054 | Astronomy | 562 |
74,367,759 | https://en.wikipedia.org/wiki/Berkelium%28III%29%20oxychloride | Berkelium(III) oxychloride is an inorganic compound of berkelium, chlorine, and oxygen with the chemical formula BkOCl.
Physical properties
The compound forms very pale green crystals.
References
Oxychlorides
Berkelium compounds | Berkelium(III) oxychloride | Chemistry | 54 |
2,012,894 | https://en.wikipedia.org/wiki/Zaleplon | Zaleplon, sold under the brand name Sonata among others, is a sedative and hypnotic which is used to treat insomnia. It is a nonbenzodiazepine or Z-drug of the pyrazolopyrimidine class. It was developed by King Pharmaceuticals and approved for medical use in the United States in 1999.
Medical uses
Zaleplon is slightl... | Zaleplon | Chemistry | 1,805 |
8,168,925 | https://en.wikipedia.org/wiki/Network%20address | A network address is an identifier for a node or host on a telecommunications network. Network addresses are designed to be unique identifiers across the network, although some networks allow for local, private addresses, or locally administered addresses that may not be unique. Special network addresses are allocated ... | Network address | Engineering | 247 |
45,449,080 | https://en.wikipedia.org/wiki/MindAlign | Parlano MindAlign is a group chat software used as an alternative to email for large enterprises. MindAlign is used most notably in the financial services industry.
Early history
The software was originally developed at UBS AG as an internal group chat solution. The product was sold to Parlano Inc, in the year 2000.
... | MindAlign | Technology | 142 |
65,601,334 | https://en.wikipedia.org/wiki/Overcategory | In mathematics, specifically category theory, an overcategory (also called a slice category), as well as an undercategory (also called a coslice category), is a distinguished class of categories used in multiple contexts, such as with covering spaces (espace etale). They were introduced as a mechanism for keeping track... | Overcategory | Mathematics | 610 |
1,769,486 | https://en.wikipedia.org/wiki/Lunar%20Receiving%20Laboratory | The Lunar Receiving Laboratory (LRL) was a facility at NASA's Lyndon B. Johnson Space Center (Building 37) that was constructed to quarantine astronauts and material brought back from the Moon during the Apollo program to reduce the risk of back-contamination. After recovery at sea, crews from Apollo 11, Apollo 12, and... | Lunar Receiving Laboratory | Astronomy,Biology | 443 |
30,864,962 | https://en.wikipedia.org/wiki/Counterforce | In nuclear strategy, a counterforce target is one that has a military value, such as a launch silo for intercontinental ballistic missiles, an airbase at which nuclear-armed bombers are stationed, a homeport for ballistic missile submarines, or a command and control installation.
The intent of a counterforce strategy ... | Counterforce | Chemistry | 1,576 |
4,601,032 | https://en.wikipedia.org/wiki/Shore%20durometer | The Shore durometer is a device for measuring the hardness of a material, typically of polymers.
Higher numbers on the scale indicate a greater resistance to indentation and thus harder materials. Lower numbers indicate less resistance and softer materials.
The term is also used to describe a material's rating on th... | Shore durometer | Materials_science | 1,447 |
51,437,144 | https://en.wikipedia.org/wiki/Well%20of%20Dina%20Nath | The Well of Dina Nath () was intended to be a water well in the Wazir Khan Chowk in Lahore, Pakistan. The well's construction by in the 19th century by a Sikh nobleman sparked controversy, given its location in the immediate vicinity of the Wazir Khan Mosque.
History
The well was commissioned by Raja Dina Nath in the ... | Well of Dina Nath | Chemistry,Engineering,Environmental_science | 299 |
4,317,081 | https://en.wikipedia.org/wiki/Axostyle | An axostyle is a sheet of microtubules found in certain protists. It arises from the bases of the flagella, sometimes projecting beyond the end of the cell, and is often flexible or contractile, and so may be involved in movement and provides support for the cell. Axostyles originate in association with a flagellar m... | Axostyle | Biology | 143 |
7,663,090 | https://en.wikipedia.org/wiki/Test%20effort | In software development, test effort refers to the expenses for (still to come) tests. There is a relation with test costs and failure costs (direct, indirect, costs for fault correction). Some factors which influence test effort are: maturity of the software development process, quality and testability of the testobje... | Test effort | Technology,Engineering | 691 |
46,279,024 | https://en.wikipedia.org/wiki/Patoo%20Abraham | Patoo Abraham (born 1966) is a Nigerian prostitute and sex workers' rights activist advocating for the legalization of sex work profession in Nigeria and the decriminalization of women in prostitution. As of 2014 she is leader of the African Sex Workers Alliance (ASWA) in Nigeria. She is also the President of Women of ... | Patoo Abraham | Biology | 1,323 |
34,845,914 | https://en.wikipedia.org/wiki/Peacock%20Clock | The Peacock Clock is a large automaton featuring three life-sized mechanical birds. It was manufactured by the entrepreneur James Cox in the 2nd half of the 18th century, and through the influence of Grigory Potemkin, it was acquired by Catherine the Great in 1781. Today, it is a prominent exhibit in the collections of... | Peacock Clock | Engineering | 157 |
9,930,635 | https://en.wikipedia.org/wiki/Lubrication%20theory | In fluid dynamics, lubrication theory describes the flow of fluids (liquids or gases) in a geometry in which one dimension is significantly smaller than the others. An example is the flow above air hockey tables, where the thickness of the air layer beneath the puck is much smaller than the dimensions of the puck itse... | Lubrication theory | Chemistry,Materials_science,Engineering | 761 |
76,828,449 | https://en.wikipedia.org/wiki/Cristina%20Dalle%20Ore | Cristina Morea Dalle Ore (born 1958) is a hyperspectral imaging and remote sensing expert, originally from Italy. After many years as an astronomer and planetary scientist, she has shifted her interests to Earth-based agricultural applications of remote sensing, as Head of Remote Science and Geospatial Intelligence for... | Cristina Dalle Ore | Astronomy | 383 |
18,308 | https://en.wikipedia.org/wiki/Lanthanide | The lanthanide () or lanthanoid () series of chemical elements comprises at least the 14 metallic chemical elements with atomic numbers 57–70, from lanthanum through ytterbium. In the periodic table, they fill the 4f orbitals. Lutetium (element 71) is also sometimes considered a lanthanide, despite being a d-block elem... | Lanthanide | Chemistry | 11,085 |
1,522,379 | https://en.wikipedia.org/wiki/Alpha%20Pavonis | Alpha Pavonis (α Pavonis, abbreviated Alpha Pav, α Pav), formally named Peacock , is a binary star in the southern constellation of Pavo, near the border with the constellation Telescopium.
Nomenclature
α Pavonis (Latinised to Alpha Pavonis) is the star's Bayer designation.
The historical name Peacock was assigned b... | Alpha Pavonis | Astronomy | 906 |
2,607,325 | https://en.wikipedia.org/wiki/Project%20DReaM | Project DReaM was a Sun Microsystems project aimed at developing an open interoperable DRM architecture that implements standardized interfaces. Its primary goal was the creation of a royalty-free digital rights management industry standard. On 22 August 2005, Sun announced that it was opening up Project DReaM, which h... | Project DReaM | Technology | 422 |
38,907,916 | https://en.wikipedia.org/wiki/Fbsp%20wavelet | In applied mathematics, fbsp wavelets are frequency B-spline wavelets.
These frequency B-spline wavelets are complex wavelets whose spectrum are spline.
where sinc function that appears in Shannon sampling theorem.
m > 1 is the order of the spline
fb is a bandwidth parameter
fc is the wavelet center frequency
... | Fbsp wavelet | Mathematics | 252 |
46,328,125 | https://en.wikipedia.org/wiki/Ganoderma%20sessile | Ganoderma sessile is a species of polypore fungus in the Ganodermataceae family. There is taxonomic uncertainty with this fungus since its circumscription in 1902.
This wood decay fungus is found commonly in Eastern North America, and is associated with declining or dead hardwoods.
Taxonomy
Murrill described 17 new ... | Ganoderma sessile | Biology | 1,389 |
2,795,762 | https://en.wikipedia.org/wiki/Object%20orgy | In computer programming, an object orgy is a situation in which objects are insufficiently encapsulated via information hiding, allowing unrestricted access to their internals. This is a common failure (or anti-pattern) in object-oriented design or object-oriented programming, and it can lead to increased maintenance n... | Object orgy | Technology | 669 |
76,850,085 | https://en.wikipedia.org/wiki/AT2018hyz | AT2018hyz is a tidal disruption event (TDE) that was discovered in 2018 by the All Sky Automated Survey for SuperNovae (ASASS-SN).
History
In 2022, astronomers announced the discovery of radio emission from AT2018hyz using the Very Large Array (VLA), MeerKAT, and the Australia Telescope Compact Array (ATCA), despite n... | AT2018hyz | Physics,Astronomy | 351 |
25,153,936 | https://en.wikipedia.org/wiki/Performance-based%20building%20design | Performance-Based Building Design is an approach to the design of any complexity of building, from single-detached homes up to and including high-rise apartments and office buildings. A building constructed in this way is required to meet certain measurable or predictable performance requirements, such as energy effici... | Performance-based building design | Engineering | 4,837 |
2,382,773 | https://en.wikipedia.org/wiki/River%20Tigris%20%28constellation%29 | River Tigris or Tigris (named after the Tigris river) was a constellation, introduced in 1612 by Petrus Plancius. One end was near the shoulder of Ophiuchus and the other was near Pegasus, and in between it passed through the area now occupied by Vulpecula, flowing between Cygnus and Aquila. It did not appear on Hevel... | River Tigris (constellation) | Astronomy | 130 |
1,236,458 | https://en.wikipedia.org/wiki/Bellman%20equation | A Bellman equation, named after Richard E. Bellman, is a necessary condition for optimality associated with the mathematical optimization method known as dynamic programming. It writes the "value" of a decision problem at a certain point in time in terms of the payoff from some initial choices and the "value" of the re... | Bellman equation | Mathematics | 3,054 |
40,698,922 | https://en.wikipedia.org/wiki/Digital%20zombie | A digital zombie, as defined by the University of Sydney, is a person so engaged with digital technology and/or social media they are unable to separate themselves from a persistent online presence. Further, University of Sydney researcher Andrew Campbell also expressed concerns over whether or not the individual can t... | Digital zombie | Technology | 772 |
9,765 | https://en.wikipedia.org/wiki/Equuleus | Equuleus is a faint constellation located just north of the celestial equator. Its name is Latin for "little horse", a foal. It was one of the 48 constellations listed by the 2nd century astronomer Ptolemy, and remains one of the 88 modern constellations. It is the second smallest of the modern constellations (after Cr... | Equuleus | Astronomy | 1,025 |
4,030,732 | https://en.wikipedia.org/wiki/121P/Shoemaker%E2%80%93Holt | 121P/Shoemaker–Holt, also known as Shoemaker-Holt 2, is a periodic comet in the Solar System with an orbital period of about 8 years. The comet was discovered by Carolyn S. Shoemaker, Eugene M. Shoemaker, and Henry E. Holt on 9 March 1989. The comet then had an apparent magnitude of 13, was diffuse and had a tail about... | 121P/Shoemaker–Holt | Astronomy | 241 |
71,523,018 | https://en.wikipedia.org/wiki/BG%20Canis%20Minoris | BG Canis Minoris is a binary star system in the equatorial constellation of Canis Minor, abbreviated BG CMi. With an apparent visual magnitude that fluctuates around 14.5, it is much too faint to be visible to the naked eye. Parallax measurements provide a distance estimate of approximately 2,910 light years from the S... | BG Canis Minoris | Astronomy | 488 |
83,942 | https://en.wikipedia.org/wiki/Courtyard | A courtyard or court is a circumscribed area, often surrounded by a building or complex, that is open to the sky.
Courtyards are common elements in both Western and Eastern building patterns and have been used by both ancient and contemporary architects as a typical and traditional building feature. Such spaces in inn... | Courtyard | Technology,Engineering | 1,459 |
34,270,640 | https://en.wikipedia.org/wiki/MC21-B | MC21-B is an antibiotic isolated from the O-BC30T strain of a marine bacterium, Pseudoalteromonas phenolica. MC21-B is cytotoxic to human leukaemia cells and human normal dermal fibroblasts.
See also
MC21-A
References
Antibiotics
Biphenyls
Dicarboxylic acids
Benzoic acids
Bromoarenes
Halogen-containing natural prod... | MC21-B | Biology | 91 |
54,221,153 | https://en.wikipedia.org/wiki/Network%20Performance%20Monitoring%20Solution | Network Performance Monitor (NPM) in Operations Management Suite, a component of Microsoft Azure, monitors network performance between office sites, data centers, clouds and applications in near real-time. It helps a network administrator locate and troubleshoot bottlenecks like network delay, data loss and availabili... | Network Performance Monitoring Solution | Technology,Engineering | 981 |
632,899 | https://en.wikipedia.org/wiki/Low-level%20waste | Low-level waste (LLW) or low-level radioactive waste (LLRW) is a category of nuclear waste. The definition of low-level waste is set by the nuclear regulators of individual countries, though the International Atomic Energy Agency (IAEA) provides recommendations.
LLW includes items that have become contaminated with r... | Low-level waste | Chemistry,Technology | 1,287 |
25,264,092 | https://en.wikipedia.org/wiki/Slow-growing%20hierarchy | In computability theory, computational complexity theory and proof theory, the slow-growing hierarchy is an ordinal-indexed family of slowly increasing functions gα: N → N (where N is the set of natural numbers, {0, 1, ...}). It contrasts with the fast-growing hierarchy.
Definition
Let μ be a large countable ordinal ... | Slow-growing hierarchy | Mathematics | 492 |
35,892,247 | https://en.wikipedia.org/wiki/C12H14N2O3 | {{DISPLAYTITLE:C12H14N2O3}}
The molecular formula C12H14N2O3 (molar mass: 234.25 g/mol, exact mass: 234.1004 u) may refer to:
α-methyl-5-hydroxytryptophan
Cyclopentobarbital
Diproqualone | C12H14N2O3 | Chemistry | 78 |
795,072 | https://en.wikipedia.org/wiki/Binder%20clip | A binder clip (also known as a foldback clip, paper clamp, banker's clip, foldover clip, bobby clip, or clasp) is a simple device for binding sheets of paper together. It leaves the paper intact and can be removed quickly and easily, unlike the staple.
It is also sometimes referred to as a handbag clip because of res... | Binder clip | Engineering | 839 |
23,579,317 | https://en.wikipedia.org/wiki/C15H26O | {{DISPLAYTITLE:C15H26O}}
The molecular formula C15H26O may refer to:
Bisabolol (Levomenol)
α-Cadinol
δ-Cadinol
τ-Cadinol
Carotol
Cedrol
Cubebol
Farnesol
Guaiol
Indonesiol
Junenol
Ledol
Nerolidol
Patchouli alcohol
Viridiflorol
See also
Cadinol | C15H26O | Chemistry | 91 |
3,948,604 | https://en.wikipedia.org/wiki/Hyperbolic%20equilibrium%20point | In the study of dynamical systems, a hyperbolic equilibrium point or hyperbolic fixed point is a fixed point that does not have any center manifolds. Near a hyperbolic point the orbits of a two-dimensional, non-dissipative system resemble hyperbolas. This fails to hold in general. Strogatz notes that "hyperbolic is a... | Hyperbolic equilibrium point | Mathematics | 523 |
37,431,806 | https://en.wikipedia.org/wiki/Diisopropanolamine | Diisopropanolamine is a chemical compound with the molecular formula C6H15NO2, used as an emulsifier, stabilizer, and chemical intermediate.
Diisopropanolamine can be prepared by the reaction of isopropanolamine or ammonia with propylene oxide.
References
Amines
Diols | Diisopropanolamine | Chemistry | 68 |
1,262,180 | https://en.wikipedia.org/wiki/Bathybius%20haeckelii | Bathybius haeckelii was a substance that British biologist Thomas Henry Huxley discovered and initially believed to be a form of primordial matter, a source of all organic life. He later admitted his mistake when it proved to be just the product of an inorganic chemical process (precipitation).
In 1868 Huxley studied ... | Bathybius haeckelii | Biology | 930 |
15,448,308 | https://en.wikipedia.org/wiki/Yeosuana | Yeosuana aromativorans is a species of non-motile aerobic marine bacterium that can degrade benzopyrene. It was first isolated from Gwangyang Bay and forms yellow-brown colonies requiring chlorides of both magnesium and calcium.
References
Hydrocarbon-degrading bacteria
Bacteria described in 2006 | Yeosuana | Biology | 67 |
43,920,749 | https://en.wikipedia.org/wiki/International%20Organization%20for%20Biological%20Crystallization | The International Organization for Biological Crystallization (IOBCr) is a non-profit, scientific organization for scientists who study the crystallization of biological macromolecules and develop crystallographic methodologies for their study. It was founded in 2002 to create a permanent organ for the organization of ... | International Organization for Biological Crystallization | Chemistry,Materials_science | 980 |
25,269,133 | https://en.wikipedia.org/wiki/Malcev%20Lie%20algebra | In mathematics, a Malcev Lie algebra, or Mal'tsev Lie algebra, is a generalization of a rational nilpotent Lie algebra, and Malcev groups are similar. Both were introduced by , based on the work of .
Definition
According to a Malcev Lie algebra is a rational Lie algebra together with a complete, descending -vector ... | Malcev Lie algebra | Engineering | 346 |
7,247,215 | https://en.wikipedia.org/wiki/Meltwater | Meltwater (or melt water) is water released by the melting of snow or ice, including glacial ice, tabular icebergs and ice shelves over oceans. Meltwater is often found during early spring when snow packs and frozen rivers melt with rising temperatures, and in the ablation zone of glaciers where the rate of snow cover ... | Meltwater | Chemistry,Engineering,Environmental_science | 1,129 |
36,544,153 | https://en.wikipedia.org/wiki/Sodium%20triacetoxyborohydride | Sodium triacetoxyborohydride, also known as sodium triacetoxyhydroborate, commonly abbreviated STAB, is a chemical compound with the formula . Like other borohydrides, it is used as a reducing agent in organic synthesis. This colourless salt is prepared by protonolysis of sodium borohydride with acetic acid:
Compariso... | Sodium triacetoxyborohydride | Chemistry | 382 |
184,308 | https://en.wikipedia.org/wiki/Titanic%20acid | Titanic acid is a general name for a family of chemical compounds of the elements titanium, hydrogen, and oxygen, with the general formula . Various simple titanic acids have been claimed, mainly in the older literature. No crystallographic and little spectroscopic support exists for these materials. Some older litera... | Titanic acid | Chemistry | 208 |
39,550,107 | https://en.wikipedia.org/wiki/Mt.%20Torry%20Furnace | Mt. Torry Furnace, also known as Virginia Furnace, is a historic iron furnace located at Sherando, Augusta County, Virginia. It was built in 1804, and is a stone square trapezoid measuring 30 feet at the base and 40 feet tall. The original cold-blast charcoal stack was converted for hot blast in 1853. It shut down in 1... | Mt. Torry Furnace | Chemistry | 179 |
984,081 | https://en.wikipedia.org/wiki/Space%20rendezvous | A space rendezvous () is a set of orbital maneuvers during which two spacecraft, one of which is often a space station, arrive at the same orbit and approach to a very close distance (e.g. within visual contact). Rendezvous requires a precise match of the orbital velocities and position vectors of the two spacecraft, a... | Space rendezvous | Engineering | 3,372 |
49,718 | https://en.wikipedia.org/wiki/Poynting%20vector | In physics, the Poynting vector (or Umov–Poynting vector) represents the directional energy flux (the energy transfer per unit area, per unit time) or power flow of an electromagnetic field. The SI unit of the Poynting vector is the watt per square metre (W/m2); kg/s3 in base SI units. It is named after its discoverer ... | Poynting vector | Physics,Mathematics | 3,921 |
58,006,810 | https://en.wikipedia.org/wiki/Abramov%27s%20algorithm | In mathematics, particularly in computer algebra, Abramov's algorithm computes all rational solutions of a linear recurrence equation with polynomial coefficients. The algorithm was published by Sergei A. Abramov in 1989.
Universal denominator
The main concept in Abramov's algorithm is a universal denominator. Let b... | Abramov's algorithm | Mathematics,Technology | 429 |
35,576,646 | https://en.wikipedia.org/wiki/MetaLab%2C%20Ltd. | MetaLab is an interface design firm headquartered in Victoria, British Columbia that provides product management, software engineering and UX research services.
MetaLab was founded in 2006 by Andrew Wilkinson. In January 2017, MetaLab became a daughter company of Tiny. MetaLab also founded Pixel Union, which provides ... | MetaLab, Ltd. | Engineering | 391 |
41,972,103 | https://en.wikipedia.org/wiki/Super-resolution%20optical%20fluctuation%20imaging | Super-resolution optical fluctuation imaging (SOFI) is a post-processing method for the calculation of super-resolved images from recorded image time series that is based on the temporal correlations of independently fluctuating fluorescent emitters.
SOFI has been developed for super-resolution of biological specimen ... | Super-resolution optical fluctuation imaging | Chemistry | 1,901 |
26,743,529 | https://en.wikipedia.org/wiki/Suillus%20quiescens | Suillus quiescens is a pored mushroom of the genus Suillus in the family Suillaceae. First collected in 2002 on Santa Cruz Island off the coast of California, in association with Bishop Pine (Pinus muricata), the species was scientifically described and named in 2010. In addition to its distribution in coastal Californ... | Suillus quiescens | Biology | 1,023 |
4,085,963 | https://en.wikipedia.org/wiki/Coade%20stone | Coade stone or Lithodipyra or Lithodipra () is stoneware that was often described as an artificial stone in the late 18th and early 19th centuries. It was used for moulding neoclassical statues, architectural decorations and garden ornaments of the highest quality that remain virtually weatherproof today.
Coade stone ... | Coade stone | Engineering | 7,664 |
73,667,530 | https://en.wikipedia.org/wiki/Radon%20hexafluoride | Radon hexafluoride is a binary chemical compound of radon and fluorine with the chemical formula . This is still a hypothetical compound that has not been synthesized so far.
Potential properties
The compound is calculated to be less stable than radon difluoride. Radon hexafluoride is expected to have an octahedral mo... | Radon hexafluoride | Chemistry | 148 |
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