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 |
|---|---|---|---|---|---|
28,837,985 | https://en.wikipedia.org/wiki/Suaeda%20californica | Suaeda californica is a rare species of flowering plant in the amaranth family known by the common name California seablite. It is now endemic to San Luis Obispo County, California, where it is known from a few occurrences in the marshes around Morro Bay, historical populations around San Francisco Bay have been extirp... | Suaeda californica | Chemistry | 488 |
23,871,022 | https://en.wikipedia.org/wiki/Mahjong%20solitaire | Mahjong solitaire (also known as Shanghai solitaire, electronic or computerized mahjong, solitaire mahjong or simply mahjong) is a single-player matching game that uses a set of mahjong tiles rather than cards. It is more commonly played on a computer than as a physical tabletop game. It can be played using genuine til... | Mahjong solitaire | Mathematics | 1,077 |
15,669,694 | https://en.wikipedia.org/wiki/Common-use%20self-service | Common-use self-service or CUSS is a shared kiosk offering airport check-in to passengers without the need for ground staff. The CUSS can be used by several participating airlines in a single terminal.
The first major installation of CUSS for multiple airlines was launched in 2003 in a cooperative project between LAS ... | Common-use self-service | Technology | 295 |
20,807 | https://en.wikipedia.org/wiki/Merlin | Merlin (, , ) is a mythical figure prominently featured in the legend of King Arthur and best known as a magician, with several other main roles. The familiar depiction of Merlin, based on an amalgamation of historical and legendary figures, was introduced by the 12th-century British pseudo-historical author Geoffrey o... | Merlin | Astronomy | 7,482 |
60,530,881 | https://en.wikipedia.org/wiki/Panaeolus%20affinis | Panaeolus affinis is a species of psychoactive mushroom belonging to the genus Panaeolus and is classified under the order Agaricales . Before the name of the species was changed in 1996, it was known as Copelandia affinis. The mushroom was first observed in 1980 by E. Horak. The mushroom contains the chemicals psilocy... | Panaeolus affinis | Biology | 171 |
71,825,654 | https://en.wikipedia.org/wiki/Biogenous%20ooze | Biogenous ooze is marine sediment that accumulates on the seafloor and is a byproduct of the death and sink of the skeletal remains of marine organisms.
Formation and composition
Biogenous ooze consists of organic compounds, usually in the form of microorganism tests that fall from closer to the ocean surface to the... | Biogenous ooze | Physics,Environmental_science | 975 |
59,493,125 | https://en.wikipedia.org/wiki/Gloria%20Dubner | Gloria Dubner (born May 5, 1950) is an Argentinian astrophysicist and Director of the Instituto de Astronomía y Física del Espacio in Buenos Aires and a Senior Researcher at the National Scientific and Technical Research Council. She is known for her research on supernovas.
Education
Dubner was born on May 5, 1950, i... | Gloria Dubner | Astronomy | 650 |
55,204,880 | https://en.wikipedia.org/wiki/Human%20Shadow%20Etched%20in%20Stone | is an exhibition at the Hiroshima Peace Memorial Museum. It is thought to be the shadow of a person who was sitting at the entrance of Hiroshima Branch of Sumitomo Bank when the atomic bomb was dropped over Hiroshima. It is also known as Human Shadow of Death or simply the Blast Shadow.
Background
On the morning of ... | Human Shadow Etched in Stone | Physics | 1,356 |
40,212,550 | https://en.wikipedia.org/wiki/Acid%20Cryptofiler | Acid Cryptofiler is a cryptographic software program designed by the department for "control of information" (Centre d'Electronique de l'Armement) of the French General Directorate of Armament (Direction générale de l'armement). It is an online storage service. The software is now manufactured by ACID Technologies (Fra... | Acid Cryptofiler | Mathematics | 491 |
320,737 | https://en.wikipedia.org/wiki/Frankincense | Frankincense, also known as olibanum (), is an aromatic resin used in incense and perfumes, obtained from trees of the genus Boswellia in the family Burseraceae. The word is from Old French ('high-quality incense'). There are several species of Boswellia that produce true frankincense: Boswellia sacra (syn. B. bhaw-da... | Frankincense | Physics,Chemistry | 2,373 |
37,268,062 | https://en.wikipedia.org/wiki/%282-Chlorophenyl%29thiourea | (2-Chlorophenyl)thiourea is a chemical compound used as an herbicide. As of 1998, the Environmental Protection Agency did not have it registered as a pesticide in the United States.
References
Herbicides
Thioureas
2-Chlorophenyl compounds | (2-Chlorophenyl)thiourea | Chemistry,Biology | 62 |
2,011,471 | https://en.wikipedia.org/wiki/Sodium%20perchlorate | Sodium perchlorate is an inorganic compound with the chemical formula . It consists of sodium cations and perchlorate anions . It is a white crystalline, hygroscopic solid that is highly soluble in water and ethanol. It is usually encountered as sodium perchlorate monohydrate . The compound is noteworthy as the most w... | Sodium perchlorate | Chemistry | 882 |
10,665,011 | https://en.wikipedia.org/wiki/List%20of%20quantum-mechanical%20potentials | This is a list of potential energy functions that are frequently used in quantum mechanics and have any meaning.
One-dimensional potentials
Rectangular potential barrier
Delta potential (aka "contact potential")
Double delta potential
Step potential
Periodic potential
Barrier potential
Gaussian potential
Ecka... | List of quantum-mechanical potentials | Physics | 270 |
1,118,626 | https://en.wikipedia.org/wiki/Herbert%20Akroyd%20Stuart | Herbert Akroyd-Stuart (28 January 1864 – 19 February 1927) was an English inventor who is noted for his invention of the hot bulb engine, or heavy oil engine.
Life
Akroyd-Stuart was born in Halifax, Yorkshire, but lived in Australia for a period in his early years. He was educated at Newbury Grammar School (now St. Ba... | Herbert Akroyd Stuart | Technology | 1,723 |
31,484,557 | https://en.wikipedia.org/wiki/J%C4%81nis%20Polis | Jānis Polis (25 June 1938 – 12 April 2011) was a Soviet and Latvian pharmacologist and the developer of one of the first methods of synthesis of rimantadine, which was discovered in 1963 by William W. Prichard of Du Pont & Co. He was born in Eleja parish, Latvia. On 6 February 2009, Polis was awarded the WIPO Award for... | Jānis Polis | Chemistry | 150 |
1,591,917 | https://en.wikipedia.org/wiki/Willemite | Willemite is a zinc silicate mineral () and a minor ore of zinc. It is highly fluorescent (green) under shortwave ultraviolet light. It occurs in a variety of colors in daylight, in fibrous masses and apple-green gemmy masses. Troostite is a variant in which part of the zinc is partly replaced by manganese, it occurs i... | Willemite | Chemistry | 452 |
76,350,521 | https://en.wikipedia.org/wiki/Daniel%20Allen%20Cohen | Daniel Allen Cohen is a Los Angeles-based multi-media artist best known for his platform, This is Addictive, which highlights adult cravings and material obsessions using imagery often associated with childhood nostalgia.
His series, Periodic Table of Drugs, parodies the format of the scientific periodic table but ins... | Daniel Allen Cohen | Technology | 414 |
11,568,769 | https://en.wikipedia.org/wiki/Pichia%20membranifaciens | Pichia membranifaciens is a species of yeast.
References
Saccharomycetes
Fungal strawberry diseases
Fungi described in 1904
Fungus species | Pichia membranifaciens | Biology | 31 |
23,439,954 | https://en.wikipedia.org/wiki/FEBS%20Letters | FEBS Letters is a not-for-profit peer-reviewed scientific journal published on behalf of the Federation of European Biochemical Societies (FEBS) by Wiley. It covers all aspects of molecular biosciences, including molecular biology and biochemistry. The aim of the journal is to publish primary research in the form of Re... | FEBS Letters | Chemistry | 912 |
52,822,602 | https://en.wikipedia.org/wiki/James%20A.%20Ibers | James A. Ibers was the Charles E. and Emma H. Morrison Professor of Chemistry before becoming an emeritus professor of chemistry at Northwestern University upon retirement. He is recognized for contributions to inorganic chemistry, especially in the areas of coordination chemistry, bio-inorganic chemistry, solid state ... | James A. Ibers | Chemistry | 256 |
39,686,187 | https://en.wikipedia.org/wiki/StyleHaul | StyleHaul was a marketing services, media, and technology company which gained recognition as an early pioneer of branded content and native advertising on digital platforms. The company was founded in 2011 by Stephanie Horbaczewski and operated as a portfolio company of RTL Group, which paid $127 million USD to acquir... | StyleHaul | Technology | 257 |
4,062,934 | https://en.wikipedia.org/wiki/Phenomics | Phenomics is the systematic study of traits that make up an organisms phenotype,
which changes over time, due to development and aging or through metamorphosis such as when a caterpillar changes into a butterfly. The term phenomics was coined by UC Berkeley and LBNL scientist Steven A. Garan. As such, it is a transd... | Phenomics | Biology | 747 |
39,214,059 | https://en.wikipedia.org/wiki/Rose%E2%80%93Vinet%20equation%20of%20state | The Rose–Vinet equation of state is a set of equations used to describe the equation of state of solid objects. It is a modification of the Birch–Murnaghan equation of state.
The initial paper discusses how the equation only depends on four inputs: the isothermal bulk modulus , the derivative of bulk modulus with respe... | Rose–Vinet equation of state | Physics | 147 |
5,633,169 | https://en.wikipedia.org/wiki/Protocrystalline | A protocrystalline phase is a distinct phase occurring during crystal growth, which evolves into a microcrystalline form. The term is typically associated with silicon films in optical applications such as solar cells.
Applications
Silicon solar cells
Amorphous silicon (a-Si) is a popular solar cell material owing t... | Protocrystalline | Physics,Chemistry,Materials_science,Mathematics,Engineering | 242 |
5,064,160 | https://en.wikipedia.org/wiki/Sodium%20persulfate | Sodium persulfate is the inorganic compound with the formula Na2S2O8. It is the sodium salt of peroxydisulfuric acid, H2S2O8, an oxidizing agent. It is a white solid that dissolves in water. It is almost non-hygroscopic and has good shelf-life.
Production
The salt is prepared by the electrolytic oxidation of sodium ... | Sodium persulfate | Chemistry | 616 |
89,834 | https://en.wikipedia.org/wiki/Karl%20Koch%20%28hacker%29 | Karl Werner Lothar Koch (July 22, 1965 – c. May 23, 1989) was a German hacker in the 1980s, who called himself "hagbard", after Hagbard Celine. He was involved in a Cold War computer espionage incident.
Biography
Koch was born in Hanover. His mother died of cancer in 1976; his father had alcohol problems and in August... | Karl Koch (hacker) | Technology | 772 |
12,202,029 | https://en.wikipedia.org/wiki/Gibbons%E2%80%93Hawking%20effect | In the theory of general relativity, the Gibbons–Hawking effect is the statement that a temperature can be associated to each solution of the Einstein field equations that contains a causal horizon. It is named after Gary Gibbons and Stephen Hawking.
The term "causal horizon" does not necessarily refer to event horizo... | Gibbons–Hawking effect | Physics | 178 |
55,635,746 | https://en.wikipedia.org/wiki/Sophia%20%28robot%29 | Sophia is a female social humanoid robot developed in 2016 by the Hong Kong–based company Hanson Robotics. Sophia was activated on February 14, 2016, and made her first public appearance in mid-March 2016 at South by Southwest (SXSW) in Austin, Texas, United States. Sophia was marketed as a "social robot" who can mimic... | Sophia (robot) | Technology,Engineering | 2,374 |
65,443,966 | https://en.wikipedia.org/wiki/List%20of%20Soviet%20calculators | This is a list of calculators created and produced in Soviet Union.
Mechanical computers
Odhner Arithmometer
VK-1
Electromechanical computers
Bystritsa
Bystritsa-2
Bystritsa-3
SDV-107
VK-2
VK-3
VMM-2
VMP-2
Relay calculators
Vilnyus
Vyatka
Electrical calculators
Contact-N, Kleyster-N, Spika
EDVM
O... | List of Soviet calculators | Mathematics | 1,201 |
16,846,471 | https://en.wikipedia.org/wiki/ZNF664 | Zinc finger protein 664 is a protein that in humans is encoded by the ZNF664 gene.
References
Further reading | ZNF664 | Chemistry | 27 |
1,497,356 | https://en.wikipedia.org/wiki/MCF%20Employees%27%20Union | MCF Employees' Union, a trade union at the Mangalore Chemicals and Fertilisers, in Karnataka, India. MCFEU is affiliated to Hind Mazdoor Sabha.
Trade unions in India
Hind Mazdoor Sabha-affiliated unions
Trade unions at the Mangalore Chemicals and Fertilisers
Chemical industry trade unions
Organizations with year of es... | MCF Employees' Union | Chemistry | 73 |
15,170,825 | https://en.wikipedia.org/wiki/Ray%20Brassier | Raymond Brassier (; born December 22, 1965) is a British philosopher. He is a member of the philosophy faculty at the American University of Beirut, Lebanon, known for his work in philosophical realism. He was formerly Research Fellow at the Centre for Research in Modern European Philosophy at Middlesex University, Lon... | Ray Brassier | Physics | 1,211 |
78,697,133 | https://en.wikipedia.org/wiki/NGC%201166 | NGC 1166 is a barred spiral galaxy located in the constellation Eridanus. It is situated approximately 53 million light-years away from Earth and was discovered by the British astronomer John Herschel on November 17, 1834.
Structure and characteristics
NGC 1166 is classified as an Sb-type barred spiral galaxy. This m... | NGC 1166 | Astronomy | 449 |
16,838,918 | https://en.wikipedia.org/wiki/Collapsing%20manifold | In Riemannian geometry, a collapsing or collapsed manifold is an n-dimensional manifold M that admits a sequence of Riemannian metrics gi, such that as i goes to infinity the manifold is close to a k-dimensional space, where k < n, in the Gromov–Hausdorff distance sense. Generally there are some restrictions on the se... | Collapsing manifold | Mathematics | 597 |
19,469,852 | https://en.wikipedia.org/wiki/Plane%20%28mathematics%29 | In mathematics, a plane is a two-dimensional space or flat surface that extends indefinitely.
A plane is the two-dimensional analogue of a point (zero dimensions), a line (one dimension) and three-dimensional space. When working exclusively in two-dimensional Euclidean space, the definite article is used, so the Eucli... | Plane (mathematics) | Mathematics | 1,122 |
40,579 | https://en.wikipedia.org/wiki/Gill | A gill () is a respiratory organ that many aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are kept moist. The microscopic structure of a gill presents a large surface are... | Gill | Biology | 2,825 |
1,728,199 | https://en.wikipedia.org/wiki/Service%20design | Service design is the activity of planning and arranging people, infrastructure, communication and material components of a service in order to improve its quality, and the interaction between the service provider and its users. Service design may function as a way to inform changes to an existing service or create a n... | Service design | Technology,Engineering | 3,710 |
26,943,832 | https://en.wikipedia.org/wiki/The%20Rosetta%20Foundation | The Rosetta Foundation is a nonprofit organization that promotes social localization. The Rosetta Foundation was registered as a charitable organization in Ireland. It was an offshoot of the Localization Research Centre (LRC) at the University of Limerick, Ireland, and of the Centre for Next Generation Localization's (... | The Rosetta Foundation | Technology | 1,272 |
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