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 |
|---|---|---|---|---|---|
32,148,163 | https://en.wikipedia.org/wiki/ARID%20domain | In molecular biology, the ARID domain (AT-rich interaction domain; also known as BRIGHT (B-cell Regulator of Ig Heavy chain Transcription) domain)) is a protein domain that binds to DNA. ARID domain-containing proteins are found in fungi, plants and invertebrate and vertebrate metazoans. ARID-encoding genes are invol... | ARID domain | Biology | 505 |
3,722,964 | https://en.wikipedia.org/wiki/Sadistic%20personality%20disorder | Sadistic personality disorder is an obsolete term for a proposed personality disorder defined by a pervasive pattern of sadistic and cruel behavior. People who fitted this diagnosis were thought to have a desire to control others and to have accomplished this through use of physical or emotional violence. The diagnosis... | Sadistic personality disorder | Biology | 1,101 |
31,907,173 | https://en.wikipedia.org/wiki/Enterotoxin%20type%20B | In the field of molecular biology, enterotoxin type B, also known as Staphylococcal enterotoxin B (SEB), is an enterotoxin produced by the gram-positive bacteria Staphylococcus aureus. It is a common cause of food poisoning, with severe diarrhea, nausea and intestinal cramping often starting within a few hours of inge... | Enterotoxin type B | Chemistry,Biology | 609 |
30,880,775 | https://en.wikipedia.org/wiki/Anthony%20Stone | Anthony J. Stone is a British theoretical chemist and emeritus professor in the Department of Chemistry at the University of Cambridge.
Education
Stone studied Natural Sciences at Emmanuel College, Cambridge and obtained a Ph.D. in theoretical chemistry under H. Christopher Longuet-Higgins.
Career and research
In 196... | Anthony Stone | Chemistry | 137 |
2,993,470 | https://en.wikipedia.org/wiki/Thyrse | A thyrse is a type of inflorescence in which the main axis grows indeterminately, and the subaxes (branches) have determinate growth.
Gallery
References
Plant morphology | Thyrse | Biology | 40 |
37,430,358 | https://en.wikipedia.org/wiki/Light%20sheet%20fluorescence%20microscopy | Light sheet fluorescence microscopy (LSFM) is a fluorescence microscopy technique with an intermediate-to-high optical resolution, but good optical sectioning capabilities and high speed. In contrast to epifluorescence microscopy only a thin slice (usually a few hundred nanometers to a few micrometers) of the sample is... | Light sheet fluorescence microscopy | Chemistry,Biology | 3,109 |
2,063,902 | https://en.wikipedia.org/wiki/Self-defeating%20prophecy | A self-defeating prophecy (self-destroying or self-denying in some sources) is the complementary opposite of a self-fulfilling prophecy; a prediction that prevents what it predicts from happening. This is also known as the prophet's dilemma.
A self-defeating prophecy can be the result of rebellion to the prediction. I... | Self-defeating prophecy | Physics | 613 |
40,066,218 | https://en.wikipedia.org/wiki/Procyclin | Procyclins also known as procyclic acidic repetitive proteins or PARP are proteins developed in the surface coating of Trypanosoma brucei parasites while in their tsetse fly vector. The cell surface of the bloodstream form features a dense coat of variable surface glycoproteins (VSGs) which is replaced by an equally de... | Procyclin | Chemistry | 273 |
10,052,417 | https://en.wikipedia.org/wiki/Polymer%20concrete | Polymer concrete is a type of concrete that uses a polymer to replace lime-type cements as a binder. One specific type is epoxy granite, where the polymer used is exclusively epoxy. In some cases the polymer is used in addition to portland cement to form Polymer Cement Concrete (PCC) or Polymer Modified Concrete (PMC).... | Polymer concrete | Engineering | 698 |
9,592,241 | https://en.wikipedia.org/wiki/Bamboo%20%28unit%29 | A bamboo is an obsolete unit of length in India and Myanmar.
India
In India, the unit was fixed by the reforms of Akbar the Great (1556–1605) at approximately 12.8 m (42 ft). After Metrication in India in the mid-20th century, the unit became obsolete.
Myanmar
In Myanmar (formerly Burma) it was approximately 3.912 me... | Bamboo (unit) | Mathematics | 154 |
2,093,655 | https://en.wikipedia.org/wiki/Sparklies | Sparklies is a form of interference on analogue satellite television transmissions.
Sparklies are black or white 'hard' interference dots (as opposed to the 'soft' interference patterns of terrestrial television), caused either by too weak or too strong a signal. When within the satellite's rated reception footprint, ... | Sparklies | Engineering | 158 |
34,192,383 | https://en.wikipedia.org/wiki/Kippo | Kippo is a medium-interaction SSH honeypot written in Python. Kippo is used to log brute-force attacks and the entire shell interaction performed by an attacker. It is inspired by Kojoney. The source code is released under the New BSD License.
Kippo is no longer under active development and recommends using the fork'... | Kippo | Technology | 170 |
30,295,850 | https://en.wikipedia.org/wiki/L.%20R.%20G.%20Treloar | Professor Leslie Ronald George Treloar, OBE (30 July 1906 – 18 March 1985) was a leading figure in the science of rubber and elasticity, and writer of a number of influential texts.
Leslie Treloar graduated in Physics from University College, Reading, in 1927 and subsequently joined GEC. He gained his PhD from the Uni... | L. R. G. Treloar | Chemistry,Materials_science | 287 |
69,965,808 | https://en.wikipedia.org/wiki/Anixia%20interrupta | Anixia interrupta is a species of fungus belonging to the genus Anixia. It was documented in 1832 by German-American mycologist Lewis David de Schweinitz.
References
Agaricomycetes
Fungi described in 1832
Fungus species
Taxa named by Lewis David de Schweinitz | Anixia interrupta | Biology | 62 |
18,193,302 | https://en.wikipedia.org/wiki/Photodissociation%20region | In astrophysics, photodissociation regions (or photon-dominated regions, PDRs) are predominantly neutral regions of the interstellar medium in which far ultraviolet photons strongly influence the gas chemistry and act as the most important source of heat. They occur in any region of interstellar gas that is dense and c... | Photodissociation region | Physics,Astronomy | 226 |
953,818 | https://en.wikipedia.org/wiki/PSR%20B1829%E2%88%9210 | PSR B1829−10 (often shortened to PSR 1829−10) is a pulsar that is approximately 30,000 light-years away in the constellation of Scutum. This pulsar has been the target of interest, because of a mistaken identification of a planet around it. Andrew G. Lyne of the University of Manchester and Bailes claimed in July 1991 ... | PSR B1829−10 | Astronomy | 165 |
5,462,075 | https://en.wikipedia.org/wiki/Decision%20tree%20pruning | Pruning is a data compression technique in machine learning and search algorithms that reduces the size of decision trees by removing sections of the tree that are non-critical and redundant to classify instances. Pruning reduces the complexity of the final classifier, and hence improves predictive accuracy by the redu... | Decision tree pruning | Engineering | 1,025 |
27,416,836 | https://en.wikipedia.org/wiki/Mobile%20data%20offloading | Mobile data offloading is the use of complementary network technologies for delivering data originally targeted for cellular networks. Offloading reduces the amount of data being carried on the cellular bands, freeing bandwidth for other users. It is also used in situations where local cell reception may be poor, allow... | Mobile data offloading | Technology,Engineering | 2,144 |
5,642,583 | https://en.wikipedia.org/wiki/Lorenz%20system | The Lorenz system is a system of ordinary differential equations first studied by mathematician and meteorologist Edward Lorenz. It is notable for having chaotic solutions for certain parameter values and initial conditions. In particular, the Lorenz attractor is a set of chaotic solutions of the Lorenz system. The ter... | Lorenz system | Mathematics | 4,281 |
72,760 | https://en.wikipedia.org/wiki/Square%20kilometre | The square kilometre (square kilometer in American spelling; symbol: km2) is a multiple of the square metre, the SI unit of area or surface area.
1 km2 is equal to:
1,000,000 square metres (m2)
100 hectares (ha)
It is also approximately equal to:
0.3861 square miles
247.1 acres
Conversely:
1 m2 = 0.000001 (10−6... | Square kilometre | Mathematics | 1,167 |
174,094 | https://en.wikipedia.org/wiki/Microsoft%20Messenger%20service | Messenger (formerly MSN Messenger Service, .NET Messenger Service and Windows Live Messenger Service) was an instant messaging and presence system developed by Microsoft in 1999 for use with its MSN Messenger software. It was used by instant messaging clients including Windows 8, Windows Live Messenger, Microsoft Messe... | Microsoft Messenger service | Technology | 942 |
45,168,186 | https://en.wikipedia.org/wiki/Gliese%20625 | GJ 625 (AC 54 1646-56) is a small red dwarf star with an exoplanetary companion in the northern constellation of Draco. The system is located at a distance of 21.1 light-years from the Sun based on parallax, but is drifting closer with a radial velocity of −13 km/s. It is too faint to be visible to the naked eye, havin... | Gliese 625 | Astronomy | 394 |
53,091,932 | https://en.wikipedia.org/wiki/NGC%20408 | NGC 408 is a star located in the constellation Pisces. It was discovered on October 22, 1867, by Herman Schultz. It was described by Dreyer as "very faint, very small, (WH) II 220 eight seconds of time to east.", WH II 220 being NGC 410.
See also
List of NGC objects (1–1000)
Pisces (constellation)
References
Exte... | NGC 408 | Astronomy | 107 |
2,061 | https://en.wikipedia.org/wiki/Automatic%20number%20announcement%20circuit | An automatic number announcement circuit (ANAC) is a component of a central office of a telephone company that provides a service to installation and service technicians to determine the telephone number of a telephone line. The facility has a telephone number that may be called to listen to an automatic announcement t... | Automatic number announcement circuit | Mathematics | 762 |
856,319 | https://en.wikipedia.org/wiki/HCL%20Sametime | HCL Sametime Premium (formerly IBM Sametime and IBM Lotus Sametime) is a client–server application and middleware platform that provides real-time, unified communications and collaboration for enterprises. Those capabilities include presence information, enterprise instant messaging, web conferencing, community collabo... | HCL Sametime | Technology | 1,671 |
55,131,637 | https://en.wikipedia.org/wiki/European%20Federation%20of%20Clinical%20Chemistry%20and%20Laboratory%20Medicine | The European Federation of Clinical Chemistry and Laboratory Medicine (EFLM) (formerly EFCC) is a federation of national member societies of clinical chemistry and laboratory medicine from Europe. EFLM has its registered office in Brussels and administrative office in Milan. EFLM is the European Region member of the In... | European Federation of Clinical Chemistry and Laboratory Medicine | Chemistry | 744 |
48,634,023 | https://en.wikipedia.org/wiki/Susan%20G.%20Finley | Susan G. Finley, a native Californian, has been an employee of NASA's Jet Propulsion Laboratory (JPL) since January 1958, making her the longest-serving woman in NASA. Two days before Explorer 1 was launched, Finley began her career with the laboratory as a human computer, calculating rocket launch trajectories by hand... | Susan G. Finley | Technology | 2,460 |
31,339,697 | https://en.wikipedia.org/wiki/Shmashana | A shmashana () is a Hindu crematory ground, where dead bodies are brought to be burnt on a pyre. It is usually located near a river or body of water on the outskirts of a village or town; as they are usually located near river ghats, they are also regionally called smashan ghats.
Etymology
The word has its origin fro... | Shmashana | Chemistry | 870 |
43,209,944 | https://en.wikipedia.org/wiki/HD%20191760 | HD 191760 is a star in the southern constellation of Telescopium. It has a yellow hue but is too dim to be visible to the naked eye with an apparent visual magnitude of 8.26. The star is located at a distance of approximately 290 light-years from the Sun based on parallax, but is drifting closer with a radial velocity ... | HD 191760 | Astronomy | 357 |
57,234,248 | https://en.wikipedia.org/wiki/HAT-P-50b | HAT-P-50b is an exoplanet orbiting HAT-P-50 star located in the Gemini constellation. It was discovered in 2015.
References
Exoplanets discovered in 2015
Transiting exoplanets
Gemini (constellation)
Exoplanets discovered by HATNet | HAT-P-50b | Astronomy | 59 |
70,734,221 | https://en.wikipedia.org/wiki/Institut%20f%C3%BCr%20Kunststoffverarbeitung | The Institut für Kunststoffverarbeitung in Industrie und Handwerk (IKV), the Institute for Plastics Processing in Industry and Trade at the Rheinisch-Westfälische Technische Hochschule Aachen, Germany, is a teaching and research institute for the study of plastics technology. It stands for practice-oriented research, i... | Institut für Kunststoffverarbeitung | Physics,Materials_science,Engineering | 637 |
4,107,511 | https://en.wikipedia.org/wiki/Gum%20Nebula | The Gum Nebula (Gum 12) is an emission nebula that extends across 36° in the southern constellations Vela and Puppis. It lies approximately 450 parsecs from the Earth. Hard to distinguish, it was widely believed to be the greatly expanded (and still expanding) remains of a supernova that took place about a million year... | Gum Nebula | Astronomy | 449 |
56,785,760 | https://en.wikipedia.org/wiki/Faustine%20Fotso | The Honorable Faustine Villanneau Chebou Kamdem Fotso born on the 12th of June, 1965, is a computer scientist, environmentalist, and lawyer from Cameroon.
Career
In 2012, Fotso was 1st Deputy Mayor of Baham, a town in Western Cameroon. In 2013, she was elected MP in the National Parliament Assembly, representing the... | Faustine Fotso | Technology | 294 |
43,785,137 | https://en.wikipedia.org/wiki/EBeam | eBeam was an interactive whiteboard system developed by Luidia, Inc. that transformed any standard whiteboard or other surface into an interactive display and writing surface.
Luidia's eBeam hardware and software products allowed text, images, and video to be projected onto a variety of surfaces, where an interactive ... | EBeam | Engineering | 288 |
31,294,056 | https://en.wikipedia.org/wiki/Richacls | Richacls is a Linux implementation of the NFSv4 ACLs which has been extended by file masks to more easily fit the proprietary POSIX draft file permission model.
Nowadays, they offer the most complex permission model for ext4 file system in Linux. They are even more complex than POSIX draft ACLs, which means it is not p... | Richacls | Engineering | 182 |
3,283,117 | https://en.wikipedia.org/wiki/Fuddling%20cup | A fuddling cup is a three-dimensional puzzle in the form of a drinking vessel, made of three or more cups or jugs with interconnecting bodies all linked together by holes and tubes in which liquor poured into one cup would disappear in one cup and reappear in another cup. The name “fuddling” in this cup has two meaning... | Fuddling cup | Mathematics | 318 |
1,988,874 | https://en.wikipedia.org/wiki/Kneeling | Kneeling is a basic human position where one or both knees touch the ground. According to Merriam-Webster, kneeling is defined as "to position the body so that one or both knees rest on the floor". Kneeling with only one knee, and not both, is called genuflection.
Kneeling is a primate behavior used to convey deferenc... | Kneeling | Biology | 3,403 |
40,410,456 | https://en.wikipedia.org/wiki/Dothistroma%20septosporum | Dothistroma septosporum or Mycosphaerella pini is a fungus that causes the disease commonly known as red band needle blight. This fungal disease affects the needles of conifers, but is mainly found on pine. Over 60 species have been reported to be prone to infection and Corsican Pine (Pinus nigra ssp. laricio) is the m... | Dothistroma septosporum | Biology | 882 |
1,785,216 | https://en.wikipedia.org/wiki/Semiconductor%20intellectual%20property%20core | In electronic design, a semiconductor intellectual property core (SIP core), IP core or IP block is a reusable unit of logic, cell, or integrated circuit layout design that is the intellectual property of one party. IP cores can be licensed to another party or owned and used by a single party. The term comes from the ... | Semiconductor intellectual property core | Materials_science | 1,653 |
20,845 | https://en.wikipedia.org/wiki/Multiplication | Multiplication (often denoted by the cross symbol , by the mid-line dot operator , by juxtaposition, or, on computers, by an asterisk ) is one of the four elementary mathematical operations of arithmetic, with the other ones being addition, subtraction, and division. The result of a multiplication operation is called a... | Multiplication | Mathematics | 5,349 |
15,758,126 | https://en.wikipedia.org/wiki/Hofmann%E2%80%93L%C3%B6ffler%20reaction | In organic chemistry, the Hofmann–Löffler reaction (also referred to as Hofmann–Löffler–Freytag reaction, Löffler–Freytag reaction, Löffler–Hofmann reaction, as well as Löffler's method) is a cyclization reaction with remote C–H functionalization. In the reaction, thermal or photochemical decomposition of N-halogenate... | Hofmann–Löffler reaction | Chemistry | 4,948 |
20,697,507 | https://en.wikipedia.org/wiki/Dunford%E2%80%93Schwartz%20theorem | In mathematics, particularly functional analysis, the Dunford–Schwartz theorem, named after Nelson Dunford and Jacob T. Schwartz, states that the averages of powers of certain norm-bounded operators on L1 converge in a suitable sense.
Statement
The statement is no longer true when the boundedness condition is rel... | Dunford–Schwartz theorem | Mathematics | 71 |
38,649,565 | https://en.wikipedia.org/wiki/Bug-A-Salt | Bug-A-Salt is the brand name of a plastic gun used to kill soft-bodied insects by hitting them with salt particles.
Description
The Bug-A-Salt device uses granular table salt as non-toxic projectiles to kill insects. The plastic gun is designed to spray up to 80 discharges of salt, which forms a conical spread pattern... | Bug-A-Salt | Chemistry | 270 |
64,906,453 | https://en.wikipedia.org/wiki/Geochemical%20Journal | The Geochemical Journal is a peer-reviewed open-access scientific journal covering all aspects of geochemistry and cosmochemistry. It is published by the Geochemical Society of Japan and the editor-in-chief is Katsuhiko Suzuki.
Abstracting and indexing
The journal is abstracted and indexed in:
CAB Abstracts
Chemical A... | Geochemical Journal | Chemistry | 122 |
60,725,016 | https://en.wikipedia.org/wiki/Scouring%20powder | Scouring powder is a household cleaning product consisting of an abrasive powder mixed with a dry soap or detergent, soda, and possibly dry bleach.
Scouring powder is used to clean encrusted deposits on hard surfaces such as ceramic tiles, pots and pans, baking trays, grill, porcelain sinks, bathtubs, toilet bowls and... | Scouring powder | Physics,Chemistry | 736 |
26,157,534 | https://en.wikipedia.org/wiki/Mateo%20Valero | Mateo Valero Cortés is a Spanish computer architect. His research encompasses different concepts within the field of computer architecture, a discipline in which he has published more than 700 papers in journals, conference proceedings, and books. Valero has received numerous awards, including the Eckert–Mauchly Award ... | Mateo Valero | Engineering | 1,556 |
20,762,753 | https://en.wikipedia.org/wiki/Glass%20crusher | A glass crusher provides for pulverization of glass to a yield size of or less.
Recycling operations may range from simple, manually-fed, self-contained machines to extravagant crushing systems complete with screens, conveyors, crushers and separators. All non-glass contaminants must generally be removed from the glas... | Glass crusher | Engineering | 517 |
21,869,208 | https://en.wikipedia.org/wiki/Mucoromycotina | Mucoromycotina is a subphylum of uncertain placement in Fungi. It was considered part of the phylum Zygomycota, but recent phylogenetic studies have shown that it was polyphyletic and thus split into several groups, it is now thought to be a paraphyletic grouping. Mucoromycotina is currently composed of 3 orders, 61 ge... | Mucoromycotina | Biology | 2,253 |
46,872,870 | https://en.wikipedia.org/wiki/Complex%20spacetime | Complex spacetime is a mathematical framework that combines the concepts of complex numbers and spacetime in physics. In this framework, the usual real-valued coordinates of spacetime are replaced with complex-valued coordinates. This allows for the inclusion of imaginary components in the description of spacetime, whi... | Complex spacetime | Physics,Mathematics | 899 |
26,891,264 | https://en.wikipedia.org/wiki/List%20of%20institutions%20offering%20type%20design%20education | The following is a list of institutions offering type design education.
Type design (also: typeface design, pop. font design), the art of creating typefaces, is taught at art and design colleges around the world. A small number of institutions offer a degree in type design; many others offer type design courses as par... | List of institutions offering type design education | Engineering | 2,388 |
15,525,260 | https://en.wikipedia.org/wiki/Human%20power | Human power is the rate of work or energy that is produced from the human body. It can also refer to the power (rate of work per time) of a human. Power comes primarily from muscles, but body heat is also used to do work like warming shelters, food, or other humans.
World records of power performance by humans are of ... | Human power | Physics | 1,804 |
61,506,065 | https://en.wikipedia.org/wiki/C15H13FO2 | {{DISPLAYTITLE:C15H13FO2}}
The molecular formula C15H13FO2 (molar mass: 244.261 g/mol, exact mass: 244.089958 u) may refer to:
Flurbiprofen
Tarenflurbil (also called Flurizan)
Molecular formulas | C15H13FO2 | Physics,Chemistry | 72 |
3,423,785 | https://en.wikipedia.org/wiki/IEEE%201355 | IEEE Standard 1355-1995, IEC 14575, or ISO 14575 is a data communications standard for Heterogeneous Interconnect (HIC).
IEC 14575 is a low-cost, low latency, scalable serial interconnection system, originally intended for communication between large numbers of inexpensive computers.
IEC 14575 lacks many of the compl... | IEEE 1355 | Technology,Engineering | 5,771 |
53,559,951 | https://en.wikipedia.org/wiki/Hazard%20substitution | Hazard substitution is a hazard control strategy in which a material or process is replaced with another that is less hazardous. Substitution is the second most effective of the five members of the hierarchy of hazard controls in protecting workers, after elimination. Substitution and elimination are most effective e... | Hazard substitution | Engineering | 1,047 |
54,061 | https://en.wikipedia.org/wiki/Amphitheatre | An amphitheatre (U.S. English: amphitheater) is an open-air venue used for entertainment, performances, and sports. The term derives from the ancient Greek (), from (), meaning "on both sides" or "around" and (), meaning "place for viewing".
Ancient Greek theatres were typically built on hillsides and semi-circula... | Amphitheatre | Engineering | 1,171 |
38,208,695 | https://en.wikipedia.org/wiki/FNSS%20Kunduz | Kunduz or AZMİM (short for ) is a Turkish tracked amphibious combat engineering armoured bulldozer.
History
The Kunduz was developed and produced in less than four-years work for the Turkish Armed Forces (TSK) by the Turkish company FNSS Defence Systems. The prototype was delivered to the TSK on January 11, 2013 in An... | FNSS Kunduz | Engineering | 335 |
22,086,557 | https://en.wikipedia.org/wiki/Sleeping%20berth | A sleeping berth is a bed or sleeping accommodation on vehicles. Space accommodations have contributed to certain common design elements of berths.
Beds in boats or ships
While beds on large ships are little different from those on shore, the lack of space on smaller yachts means that bunks must be fit in wherever p... | Sleeping berth | Biology | 1,061 |
34,280,377 | https://en.wikipedia.org/wiki/Types%20of%20press%20tools | Press tools are commonly used in hydraulic, pneumatic, and mechanical presses to produce the sheet metal components in large volumes. Generally press tools are categorized by the types of operation performed using the tool, such as blanking, piercing, bending, forming, forging, trimming etc. The press tool will also be... | Types of press tools | Engineering | 1,481 |
1,964,551 | https://en.wikipedia.org/wiki/Fanlight | A fanlight is a form of lunette window, often semicircular or semi-elliptical in shape, with glazing bars or tracery sets radiating out like an open fan. It is placed over another window or a doorway, and is sometimes hinged to a transom. The bars in the fixed glazed window spread out in the manner of a sunburst. It is... | Fanlight | Materials_science,Engineering | 101 |
39,368,335 | https://en.wikipedia.org/wiki/Mission%20to%20Mars%3A%20My%20Vision%20for%20Space%20Exploration | Mission to Mars: My Vision for Space Exploration is a 2013 book written by retired NASA astronaut Buzz Aldrin and Leonard David. The book was released on May 7, 2013 by National Geographic Books. In the book, Aldrin outlines his plan for humans to be able to colonize Mars by the year 2035. The books goes over a number ... | Mission to Mars: My Vision for Space Exploration | Astronomy | 173 |
5,832,289 | https://en.wikipedia.org/wiki/Bradykinin%20receptor | The bradykinin receptor family is a group of G-protein coupled receptors whose principal ligand is the protein bradykinin.
There are two Bradykinin receptors: the B1 receptor and the B2 receptor.
B1 receptor
Bradykinin receptor B1 (B1) is a G-protein coupled receptor encoded by the BDKRB1 gene in humans. Its princip... | Bradykinin receptor | Chemistry | 415 |
342,058 | https://en.wikipedia.org/wiki/Gimbal%20lock | Gimbal lock is the loss of one degree of freedom in a multi-dimensional mechanism at certain alignments of the axes. In a three-dimensional three-gimbal mechanism, gimbal lock occurs when the axes of two of the gimbals are driven into a parallel configuration, "locking" the system into rotation in a degenerate two-dime... | Gimbal lock | Physics | 2,519 |
1,637,666 | https://en.wikipedia.org/wiki/Cell%20disruption | Cell disruption, sometimes referred to as digestion, is a method or process for releasing biological molecules from inside a cell.
Methods
The production of biologically interesting molecules using cloning and culturing methods allows the study and manufacture of relevant molecules. Except for excreted molecules, cell... | Cell disruption | Biology | 2,499 |
46,871,755 | https://en.wikipedia.org/wiki/Hole%20drilling%20method | The hole drilling method is a method for measuring residual stresses, in a material. Residual stress occurs in a material in the absence of external loads. Residual stress interacts with the applied loading on the material to affect the overall strength, fatigue, and corrosion performance of the material. Residual stre... | Hole drilling method | Physics,Engineering | 1,655 |
19,858,814 | https://en.wikipedia.org/wiki/Dynamic%20mode%20decomposition | In data science, dynamic mode decomposition (DMD) is a dimensionality reduction algorithm developed by Peter J. Schmid and Joern Sesterhenn in 2008.
Given a time series of data, DMD computes a set of modes, each of which is associated with a fixed oscillation frequency and decay/growth rate. For linear systems in part... | Dynamic mode decomposition | Physics | 2,959 |
9,461,013 | https://en.wikipedia.org/wiki/Finger%20Touching%20Cell%20Phone | The Finger Touching Cell Phone was a concept cell-phone developed by Samsung and Sunman Kwon at Hong-ik University, South Korea.
Concept
The phone was designed to be worn, as a wristband. The phone would project a 3 × 4 mobile-style keypad onto your fingers, with each joint making up a button. The product won an iF Co... | Finger Touching Cell Phone | Technology | 144 |
5,690,312 | https://en.wikipedia.org/wiki/Maria%20Pia%20Bridge | Maria Pia Bridge (in Portuguese Ponte de D. Maria Pia, commonly known as Ponte de Dona Maria Pia) is a railway bridge built in 1877 and attributed to Gustave Eiffel. It is situated between the Portuguese Northern municipalities of Porto and Vila Nova de Gaia.
The double-hinged, crescent arch bridge is made of wrought... | Maria Pia Bridge | Engineering | 1,567 |
11,717,153 | https://en.wikipedia.org/wiki/TabletKiosk | TabletKiosk is a manufacturer of enterprise-grade Tablet PCs and UMPCs located in Torrance, California, United States. All mobile computers produced by TabletKiosk fall into the slate category, featuring touchscreen or pen (active digitizer) input, in lieu of integrated or convertible keyboards. Current products includ... | TabletKiosk | Technology | 306 |
16,865,499 | https://en.wikipedia.org/wiki/Earthquake%20shaking%20table | There are different experimental techniques which can be used to test the response of structures and soil or rock slopes to verify their seismic performance. One of these is using an earthquake shaking table (a shaking table or shake table). This device is used for shaking scaled slopes, structural models or building c... | Earthquake shaking table | Engineering | 360 |
1,677,464 | https://en.wikipedia.org/wiki/Space%20environment | Space environment is a branch of astronautics, aerospace engineering and space physics that seeks to understand and address conditions existing in space that affect the design and operation of spacecraft. A related subject, space weather, deals with dynamic processes in the solar-terrestrial system that can give rise t... | Space environment | Astronomy,Engineering | 938 |
32,274,647 | https://en.wikipedia.org/wiki/C13H16O7 | {{DISPLAYTITLE:C13H16O7}}
The molecular formula C13H16O7 (molar mass: 284.26 g/mol, exact mass: 284.0896 u) may refer to:
Benzoyl-β-D-glucoside
Helicin | C13H16O7 | Chemistry | 67 |
1,914,405 | https://en.wikipedia.org/wiki/Heats%20of%20fusion%20of%20the%20elements%20%28data%20page%29 |
Heat of fusion
Notes
Values refer to the enthalpy change between the liquid phase and the most stable solid phase at the melting point (normal, 101.325 kPa).
References
CRC
As quoted from various sources in an online version of:
David R. Lide (ed), CRC Handbook of Chemistry and Physics, 84th Edition. CRC Press... | Heats of fusion of the elements (data page) | Physics,Chemistry,Mathematics | 330 |
1,353,830 | https://en.wikipedia.org/wiki/Matte%20painting | A matte painting is a painted representation of a landscape, set, or distant location that allows filmmakers to create the illusion of an environment that is not present at the filming location. Historically, matte painters and film technicians have used various techniques to combine a matte-painted image with live-act... | Matte painting | Physics | 2,251 |
34,637,995 | https://en.wikipedia.org/wiki/Oka%27s%20lemma | In mathematics, Oka's lemma, proved by Kiyoshi Oka, states that in a domain of holomorphy in , the function is plurisubharmonic, where is the distance to the boundary. This property shows that the domain is pseudoconvex. Historically, this lemma was first shown in the Hartogs domain in the case of two variables, also... | Oka's lemma | Mathematics | 166 |
54,568,728 | https://en.wikipedia.org/wiki/RigExpert | Rig Expert Ukraine Ltd is a manufacturer of ham and PMR Two-way radio RF antenna analysis and antenna tuning equipment. The company was founded in 2003 and is headquartered in Kyiv, Ukraine.
Current products
The AA-30, AA-54 & AA-170 are almost the same product except for the frequency range. Similarly, the AA-600, A... | RigExpert | Physics,Engineering | 133 |
2,366,889 | https://en.wikipedia.org/wiki/M4%20corridor | The M4 corridor is an area in the United Kingdom adjacent to the M4 motorway, which runs from London to South Wales. It is a major hi-tech hub. Important cities and towns linked by the M4 include (from east to west) London, Slough, Bracknell, Maidenhead, Reading, Newbury, Swindon, Bath, Bristol, Newport, Cardiff, Port ... | M4 corridor | Technology | 711 |
20,754,349 | https://en.wikipedia.org/wiki/MRS-1706 | MRS-1706 is a selective inverse agonist for the adenosine A2B receptor. It inhibits release of interleukins and has an antiinflammatory effect.
References
Xanthines
Phenol ethers
Acetanilides
Aromatic ketones
Adenosine receptor antagonists | MRS-1706 | Chemistry | 64 |
347,027 | https://en.wikipedia.org/wiki/Amorphous%20metal | An amorphous metal (also known as metallic glass, glassy metal, or shiny metal) is a solid metallic material, usually an alloy, with disordered atomic-scale structure. Most metals are crystalline in their solid state, which means they have a highly ordered arrangement of atoms. Amorphous metals are non-crystalline, and... | Amorphous metal | Physics,Chemistry,Materials_science,Engineering | 3,975 |
16,112,279 | https://en.wikipedia.org/wiki/TVLM%20513-46546 | TVLM 513-46546 is an M9 ultracool dwarf at the red dwarf/brown dwarf mass boundary in the constellation Boötes. It exhibits flare star activity, which is most pronounced at radio wavelengths. The star has a mass approximately 80 times the mass of Jupiter (or 8 percent of the Sun's mass). The radio emission is broadba... | TVLM 513-46546 | Astronomy | 262 |
2,129,782 | https://en.wikipedia.org/wiki/Degree%20distribution | In the study of graphs and networks, the degree of a node in a network is the number of connections it has to other nodes and the degree distribution is the probability distribution of these degrees over the whole network.
Definition
The degree of a node in a network (sometimes referred to incorrectly as the connectiv... | Degree distribution | Mathematics | 1,338 |
4,236,111 | https://en.wikipedia.org/wiki/Radia%20Perlman | Radia Joy Perlman (; born December 18, 1951) is an American computer programmer and network engineer. She is a major figure in assembling the networks and technology to enable what we now know as the internet. She is most famous for her invention of the Spanning Tree Protocol (STP), which is fundamental to the operatio... | Radia Perlman | Mathematics,Technology | 2,300 |
73,634 | https://en.wikipedia.org/wiki/Glossary%20of%20mathematical%20symbols | A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various types, man... | Glossary of mathematical symbols | Mathematics | 1,777 |
38,922,926 | https://en.wikipedia.org/wiki/PowerCLI | PowerCLI is a PowerShell-based command-line interface for managing VMware vSphere.
VMware describes PowerCLI as "a powerful command-line tool that lets you automate all aspects of vSphere management, including network, storage, VM, guest OS and more. PowerCLI is distributed as PowerShell modules, and includes over 500... | PowerCLI | Technology | 151 |
16,262,012 | https://en.wikipedia.org/wiki/HD%2037974 | HD 37974 (or R 126) a variable B[e] hypergiant in the Large Magellanic Cloud. It is surrounded by an unexpected dust disk.
Properties
R126, formally RMC (Radcliffe observatory Magellanic Cloud) 126, is a massive luminous star with several unusual properties. It exhibits the B[e] phenomenon where forbidden emission lin... | HD 37974 | Astronomy | 523 |
362,400 | https://en.wikipedia.org/wiki/Separable%20polynomial | In mathematics, a polynomial P(X) over a given field K is separable if its roots are distinct in an algebraic closure of K, that is, the number of distinct roots is equal to the degree of the polynomial.
This concept is closely related to square-free polynomial. If K is a perfect field then the two concepts coincide. ... | Separable polynomial | Mathematics | 971 |
8,101,374 | https://en.wikipedia.org/wiki/Ultraconnected%20space | In mathematics, a topological space is said to be ultraconnected if no two nonempty closed sets are disjoint. Equivalently, a space is ultraconnected if and only if the closures of two distinct points always have non trivial intersection. Hence, no T1 space with more than one point is ultraconnected.
Properties
Every... | Ultraconnected space | Mathematics | 233 |
1,485,282 | https://en.wikipedia.org/wiki/James%20Edward%20Allen%20Gibbs | James Edward Allen Gibbs (1829–1902) was a farmer, inventor, and businessman from Rockbridge County in the Shenandoah Valley in Virginia. On June 2, 1857, he was awarded a patent for the first twisted chain-stitch single-thread sewing machine using a rotating hook. In partnership with James Willcox, Gibbs became a prin... | James Edward Allen Gibbs | Physics,Technology | 370 |
44,854,826 | https://en.wikipedia.org/wiki/Viroinformatics | Viroinformatics is an amalgamation of virology with bioinformatics, involving the application of information and communication technology in various aspects of viral research.
Currently there are more than 100 web servers and databases harboring knowledge regarding different viruses as well as distinct applications co... | Viroinformatics | Technology,Engineering,Biology | 125 |
4,686,654 | https://en.wikipedia.org/wiki/Soil%20biology | Soil biology is the study of microbial and faunal activity and ecology in soil.
Soil life, soil biota, soil fauna, or edaphon is a collective term that encompasses all organisms that spend a significant portion of their life cycle within a soil profile, or at the soil-litter interface.
These organisms include earthwor... | Soil biology | Biology | 3,360 |
30,666,647 | https://en.wikipedia.org/wiki/Advances%20in%20Geometry | Advances in Geometry is a peer-reviewed mathematics journal published quarterly by Walter de Gruyter.
Founded in 2001, the journal publishes articles on geometry.
The journal is indexed by Mathematical Reviews and Zentralblatt MATH.
Its 2016 MCQ was 0.45, and its 2021 impact factor was 0.763.
References
External lin... | Advances in Geometry | Mathematics | 88 |
1,834,821 | https://en.wikipedia.org/wiki/Vesuvianite | Vesuvianite, also known as idocrase, is a green, brown, yellow, or blue silicate mineral. Vesuvianite occurs as tetragonal crystals in skarn deposits and limestones that have been subjected to contact metamorphism. It was first discovered within included blocks or adjacent to lavas on Mount Vesuvius, hence its name. A... | Vesuvianite | Physics | 398 |
73,522,835 | https://en.wikipedia.org/wiki/Chronodisruption | Chronodisruption is a concept in the field of circadian biology that refers to the disturbance or alteration of the body's natural biological rhythms, for example the sleep-wake cycle, due to various environmental factors. The human body is synchronized to a 24-hour light-dark cycle, which is essential for maintaining ... | Chronodisruption | Biology | 3,217 |
1,144,596 | https://en.wikipedia.org/wiki/Lead%28II%29%20chloride | Lead(II) chloride (PbCl2) is an inorganic compound which is a white solid under ambient conditions. It is poorly soluble in water. Lead(II) chloride is one of the most important lead-based reagents. It also occurs naturally in the form of the mineral cotunnite.
Structure and properties
In solid PbCl2, each lead ion is... | Lead(II) chloride | Chemistry | 1,294 |
760,736 | https://en.wikipedia.org/wiki/Alan%20C.%20Gilmore | Alan Charles Gilmore (born 1944 in Greymouth, New Zealand) is a New Zealand astronomer and a discoverer of minor planets and other astronomical objects.
He is credited by the Minor Planet Center with the discovery of 41 minor planets, all but one in collaboration with his wife Pamela M. Kilmartin. Both astronomers are... | Alan C. Gilmore | Astronomy | 310 |
907,108 | https://en.wikipedia.org/wiki/Alfv%C3%A9n%20wave | In plasma physics, an Alfvén wave, named after Hannes Alfvén, is a type of plasma wave in which ions oscillate in response to a restoring force provided by an effective tension on the magnetic field lines.
Definition
An Alfvén wave is a low-frequency (compared to the ion gyrofrequency) travelling oscillation of the io... | Alfvén wave | Physics | 2,706 |
72,008,050 | https://en.wikipedia.org/wiki/Ana%20Celia%20Mota | Ana Celia Mota (born 1935) is a retired Argentine-American condensed matter physicist specializing in phenomena at ultracold temperatures, including superfluids and superconductors. She is a professor emerita at ETH Zurich in Switzerland.
Education and career
Mota was born in 1935 in Argentina, and is a US citizen. Sh... | Ana Celia Mota | Physics,Materials_science | 300 |
355,054 | https://en.wikipedia.org/wiki/CAcert.org | CAcert.org is a community-driven certificate authority that issues free X.509 public key certificates. CAcert.org relies heavily on automation and therefore issues only Domain-validated certificates (and not Extended validation or Organization Validation certificates).
These certificates can be used to digitally sign ... | CAcert.org | Engineering | 873 |
33,535,660 | https://en.wikipedia.org/wiki/Dibenzoylmethane | Dibenzoylmethane (DBM) is an organic compound with the formula (C6H5C(O))2CH2. DBM is the name for a 1,3-diketone, but the compound exists primarily as one of two equivalent enol tautomers. DBM is a white solid. Due UV-absorbing properties, derivatives of DBM such as avobenzone, have found applications as sunscreen p... | Dibenzoylmethane | Chemistry | 324 |
6,162,658 | https://en.wikipedia.org/wiki/The%20Food%20Project | The Food Project is a non-profit organization that employs teenagers on farms in Lincoln, Roxbury and the North Shore of Massachusetts. It focuses on community improvement and outreach, and education about health, leadership, charity, and sustainable agriculture. The youth are recruited from urban areas of Boston, Lynn... | The Food Project | Engineering | 1,176 |
51,405,191 | https://en.wikipedia.org/wiki/Markar%20Clock%20Tower | The Markar Clock Tower also known as Borj-e Sa'at-e Markar () is a historic clock tower in Yazd, Iran. It is located on the geographic centre of Iran.
History
The cost of its construction was paid by a Zoroastrian from India, Pashutanji Marker. The clock tower was constructed on 26 Oct 1942. The Markar clock tower or... | Markar Clock Tower | Physics,Mathematics | 457 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.