Split (1)

train · 182k rows

id int64 39 79M	url stringlengths 31 227	text stringlengths 6 334k	source stringlengths 1 150 ⌀	categories listlengths 1 6	token_count int64 3 71.8k	subcategories listlengths 0 30
8,646,255	https://en.wikipedia.org/wiki/Calcium%20borate	Calcium borate (Ca3(BO3)2). It can be prepared by reacting calcium metal with boric acid. The resulting precipitate is calcium borate. A hydrated form occurs naturally as the minerals colemanite, nobleite and priceite. One of its uses is as a binder in some grades of hexagonal boron nitride for hot pressing. Other use...	Calcium borate	[ "Chemistry" ]	185	[ "Inorganic compounds", "Inorganic compound stubs" ]
8,646,876	https://en.wikipedia.org/wiki/Screed	Screed has three meanings in building construction: A flat board (screed board, floating screed) or a purpose-made aluminium tool used to smooth and to "true" materials like concrete, stucco and plaster after they have been placed on a surface or to assist in flattening; A strip of plaster or wood applied to a surf...	Screed	[ "Engineering" ]	669	[ "Structural engineering", "Floors", "Concrete", "Construction" ]
8,647,217	https://en.wikipedia.org/wiki/Transcritical%20cycle	A transcritical cycle is a closed thermodynamic cycle where the working fluid goes through both subcritical and supercritical states. In particular, for power cycles the working fluid is kept in the liquid region during the compression phase and in vapour and/or supercritical conditions during the expansion phase. The ...	Transcritical cycle	[ "Physics", "Chemistry", "Mathematics" ]	2,180	[ "Thermodynamics", "Dynamical systems" ]
8,647,599	https://en.wikipedia.org/wiki/Frangible%20nut	The frangible nut is a component used in many industries, but most commonly by NASA, to sever mechanical connections. It is, by definition, an explosively-splittable nut. The bolt remains intact while the nut itself is split into two or more parts. Space Shuttle Solid Rocket Booster Holddown System Frangible nuts se...	Frangible nut	[ "Engineering" ]	724	[ "Mechanical engineering stubs", "Mechanical engineering" ]
8,647,884	https://en.wikipedia.org/wiki/Comparison%20of%20FTP%20server%20software%20packages	Graphical Console/terminal-based Summary board Graphical UI based FTP Servers Terminal/Console based FTP Servers See also File Transfer Protocol (FTP) Comparison of FTP client software FTPS (FTP over SSL/TLS) FTP over SSH SSH File Transfer Protocol (SFTP) Comparison of SSH servers Comparison of SSH clien...	Comparison of FTP server software packages	[ "Technology" ]	81	[ "Computing-related lists", "Lists of software" ]
8,648,006	https://en.wikipedia.org/wiki/Bessemer%20Gold%20Medal	The Bessemer Gold Medal is awarded annually by the Institute of Materials, Minerals and Mining (IOM3) "for outstanding services to the steel industry, to the inventor or designer of any significant innovation in the process employed in the manufacture of steel, or for innovation in the use of steel in the manufacturing...	Bessemer Gold Medal	[ "Chemistry", "Engineering" ]	952	[ "Bessemer Gold Medal", "Chemical engineering", "Chemical engineering awards" ]
8,648,241	https://en.wikipedia.org/wiki/Modulation%20error%20ratio	The modulation error ratio or MER is a measure used to quantify the performance of a digital radio (or digital TV) transmitter or receiver in a communications system using digital modulation (such as QAM). A signal sent by an ideal transmitter or received by a receiver would have all constellation points precisely at t...	Modulation error ratio	[ "Technology", "Engineering" ]	405	[ "Information and communications technology", "Radio electronics", "Telecommunications" ]
8,648,480	https://en.wikipedia.org/wiki/Nonel	Nonel is a shock tube detonator designed to initiate explosions, generally for the purpose of demolition of buildings and for use in the blasting of rock in mines and quarries. Nonel is a contraction of "non electric". Instead of electric wires, a hollow plastic tube delivers the firing impulse to the detonator, making...	Nonel	[ "Chemistry", "Engineering" ]	252	[ "Demolition", "Mining equipment", "Construction", "Explosives", "Explosions" ]
11,772,928	https://en.wikipedia.org/wiki/Weibull%20modulus	The Weibull modulus is a dimensionless parameter of the Weibull distribution. It represents the width of a probability density function (PDF) in which a higher modulus is a characteristic of a narrower distribution of values. Use case examples include biological and brittle material failure analysis, where modulus is u...	Weibull modulus	[ "Physics", "Materials_science", "Engineering" ]	1,915	[ "Applied and interdisciplinary physics", "Materials science", "nan", "Engineering statistics" ]
11,773,868	https://en.wikipedia.org/wiki/L-selectride	L-selectride is a organoboron compound with the chemical formula . A colorless salt, it is usually dispensed as a solution in THF. As a particularly basic and bulky borohydride, it is used for stereoselective reduction of ketones. Use in synthesis Like other borohydrides, reductions are effected in two steps: deliver...	L-selectride	[ "Chemistry" ]	349	[ "Organolithium compounds", "Reagents for organic chemistry", "Redox", "Reducing agents" ]
11,774,223	https://en.wikipedia.org/wiki/Function%20%28engineering%29	In engineering, a function is interpreted as a specific process, action or task that a system is able to perform. In engineering design In the lifecycle of engineering projects, there are usually distinguished subsequently: Requirements and Functional specification documents. The Requirements usually specifies the mo...	Function (engineering)	[ "Engineering" ]	217	[ "nan" ]
11,774,456	https://en.wikipedia.org/wiki/Phoma%20draconis	Phoma draconis is a fungal plant pathogen. See also List of foliage plant diseases (Agavaceae) References External links Index Fungorum USDA ARS Fungal Database Fungal plant pathogens and diseases draconis Fungi described in 1983 Fungus species	Phoma draconis	[ "Biology" ]	52	[ "Fungi", "Fungus species" ]
11,774,474	https://en.wikipedia.org/wiki/MEO%20%28telecommunication%20company%29	MEO (formerly TMN and PTC) is a mobile and fixed telecommunications service and brand from Altice Portugal (formerly Portugal Telecom), managed by MEO - Serviços de Comunicações e Multimédia. The service was piloted in Lisbon in 2007 and was later extended to Porto and Castelo Branco. It was created on September 18, 2...	MEO (telecommunication company)	[ "Technology" ]	3,737	[ "Multimedia", "Streaming television" ]
11,774,498	https://en.wikipedia.org/wiki/Baum%E2%80%93Connes%20conjecture	In mathematics, specifically in operator K-theory, the Baum–Connes conjecture suggests a link between the K-theory of the reduced C*-algebra of a group and the K-homology of the classifying space of proper actions of that group. The conjecture sets up a correspondence between different areas of mathematics, with the K...	Baum–Connes conjecture	[ "Mathematics" ]	1,251	[ "Unsolved problems in mathematics", "Mathematical problems", "Conjectures" ]
11,774,532	https://en.wikipedia.org/wiki/Phaeosphaeriopsis%20obtusispora	Phaeosphaeriopsis obtusispora is a fungal plant pathogen. See also List of foliage plant diseases (Agavaceae) References External links Index Fungorum USDA ARS Fungal Database Fungal plant pathogens and diseases Pleosporales Fungus species	Phaeosphaeriopsis obtusispora	[ "Biology" ]	56	[ "Fungi", "Fungus species" ]
11,774,594	https://en.wikipedia.org/wiki/Coniothyrium%20henriquesii	Coniothyrium henriquesii is a fungal plant pathogen. References Fungal plant pathogens and diseases Pleosporales Fungus species	Coniothyrium henriquesii	[ "Biology" ]	29	[ "Fungi", "Fungus species" ]
11,774,653	https://en.wikipedia.org/wiki/Alternaria%20panax	Alternaria panax is a fungal plant pathogen, which causes Alternaria blight of ginseng. References panax Fungal plant pathogens and diseases Food plant pathogens and diseases Eudicot diseases Fungi described in 1912 Fungus species	Alternaria panax	[ "Biology" ]	50	[ "Fungi", "Fungus species" ]
11,774,703	https://en.wikipedia.org/wiki/Colletotrichum%20trichellum	Colletotrichum trichellum is a fungal plant pathogen. It is known for causing leaf and stem spot in English Ivy. References trichellum Fungal plant pathogens and diseases Eudicot diseases Fungi described in 1817 Fungus species	Colletotrichum trichellum	[ "Biology" ]	49	[ "Fungi", "Fungus species" ]
11,774,737	https://en.wikipedia.org/wiki/CBM-CFS3	CBM-CFS3 (Carbon Budget Model of the Canadian Forest Sector) is a Windows-based software modelling framework for stand- and landscape-level forest ecosystem carbon accounting. It is used to calculate forest carbon stocks and stock changes for the past (monitoring) or into the future (projection). It can be used to crea...	CBM-CFS3	[ "Biology", "Environmental_science" ]	309	[ "Environmental modelling", "Forest models", "Biological models" ]
11,774,751	https://en.wikipedia.org/wiki/Phyllosticta%20concentrica	Phyllosticta concentrica is a fungal plant pathogen. See also List of foliage plant diseases (Araliaceae) References External links USDA ARS Fungal Database Fungal plant pathogens and diseases concentrica Fungi described in 1876 Taxa named by Pier Andrea Saccardo Fungus species	Phyllosticta concentrica	[ "Biology" ]	59	[ "Fungi", "Fungus species" ]
11,774,803	https://en.wikipedia.org/wiki/Guignardia%20philoprina	Guignardia philoprina is a plant pathogen that causes leaf spot on Araliaceae sp. References External links Photo at the Fungi4Schools page of the British Mycological Society Fungal plant pathogens and diseases Botryosphaeriaceae Fungi described in 1859 Fungus species	Guignardia philoprina	[ "Biology" ]	60	[ "Fungi", "Fungus species" ]
11,774,843	https://en.wikipedia.org/wiki/Colletotrichum%20derridis	Colletotrichum derridis is a fungal plant pathogen. References derridis Fungal plant pathogens and diseases Fungi described in 1950 Fungus species	Colletotrichum derridis	[ "Biology" ]	32	[ "Fungi", "Fungus species" ]
11,774,908	https://en.wikipedia.org/wiki/Cercospora%20rhapidicola	Cercospora rhapidicola is a fungal plant pathogen. References rhapidicola Fungal plant pathogens and diseases Fungus species	Cercospora rhapidicola	[ "Biology" ]	31	[ "Fungi", "Fungus species" ]
11,774,961	https://en.wikipedia.org/wiki/Pucciniastrum%20epilobii	Pucciniastrum epilobii is a plant pathogen infecting fuchsias. References External links USDA ARS Fungal Database Fungal plant pathogens and diseases Ornamental plant pathogens and diseases Pucciniales Fungi described in 1861 Fungus species	Pucciniastrum epilobii	[ "Biology" ]	52	[ "Fungi", "Fungus species" ]
11,775,057	https://en.wikipedia.org/wiki/Aspergillus%20fischeri	Aspergillus fischeri is a species of fungus in the genus Aspergillus. And is widely distribute in soil, grain and canned food world wide. In the other hand Aspergillus fischeri is a BSL-1 plant pathogen. About 64% of species in genus Aspergillus lack knowned sexual reproduction in their life cycle, causing them were ...	Aspergillus fischeri	[ "Biology" ]	574	[ "Fungi", "Fungus species" ]
11,775,253	https://en.wikipedia.org/wiki/Isariopsis%20clavispora	Isariopsis clavispora is a fungal plant pathogen that causes leaf spot on grape. References External links USDA ARS Fungal Database Mycosphaerellaceae Fungi described in 1886 Leaf diseases Fungal grape diseases Taxa named by Miles Joseph Berkeley Fungus species	Isariopsis clavispora	[ "Biology" ]	52	[ "Fungi", "Fungus species" ]
11,775,326	https://en.wikipedia.org/wiki/Monostichella%20coryli	Monostichella coryli is a plant pathogen infecting hazelnuts. References External links Index Fungorum USDA ARS Fungal Database Fungal plant pathogens and diseases Hazelnut tree diseases Dermateaceae Taxa named by John Baptiste Henri Joseph Desmazières Fungus species	Monostichella coryli	[ "Biology" ]	57	[ "Fungi", "Fungus species" ]
11,775,351	https://en.wikipedia.org/wiki/Labrella%20coryli	Labrella coryli is an ascomycete fungus. It is a plant pathogen that causes anthracnose on hazelnut. It was not found in North America prior to 1951. References External links Index Fungorum USDA ARS Fungal Database Fungal tree pathogens and diseases Hazelnut tree diseases Enigmatic Ascomycota taxa Fungus species	Labrella coryli	[ "Biology" ]	73	[ "Fungi", "Fungus species" ]
11,775,446	https://en.wikipedia.org/wiki/Ascochyta%20prasadii	Ascochyta prasadii is a plant pathogen that causes leaf spot and stem cankers on hemp. See also List of Ascochyta species References Fungal plant pathogens and diseases Eudicot diseases prasadii Fungi described in 1968 Fungus species	Ascochyta prasadii	[ "Biology" ]	52	[ "Fungi", "Fungus species" ]
11,775,515	https://en.wikipedia.org/wiki/Ophiobolus%20anguillides	Ophiobolus anguillides is a plant pathogen that causes stem canker on hemp. References Fungal plant pathogens and diseases Hemp diseases Pleosporales Fungus species	Ophiobolus anguillides	[ "Biology" ]	41	[ "Fungi", "Fungus species" ]
11,775,553	https://en.wikipedia.org/wiki/Stemphylium%20cannabinum	Stemphylium cannabinum is a plant pathogen that infects hemp. References See also Dobrozrakova, Taisiia Leonidovna; Letova, M.F.; Stepanov, K.M.; Khokhryakov, M.K. 1956. Opredelitel' Bolezni Rastenii [A manual on the determination of plant diseases]. :1-661 Fungal plant pathogens and diseases Hemp diseases Pleospora...	Stemphylium cannabinum	[ "Biology" ]	107	[ "Fungi", "Fungus species" ]
11,775,588	https://en.wikipedia.org/wiki/Ascochyta%20humuli	Ascochyta humuli is a plant pathogen that causes leaf spot on hops. See also List of Ascochyta species References Fungal plant pathogens and diseases Hop diseases humuli Fungus species	Ascochyta humuli	[ "Biology" ]	42	[ "Fungi", "Fungus species" ]
11,775,607	https://en.wikipedia.org/wiki/Pucciniastrum%20hydrangeae	Pucciniastrum hydrangeae is a plant pathogen infecting hydrangeas. References Fungal plant pathogens and diseases Ornamental plant pathogens and diseases Pucciniales Fungi described in 1906 Fungus species	Pucciniastrum hydrangeae	[ "Biology" ]	44	[ "Fungi", "Fungus species" ]
11,775,685	https://en.wikipedia.org/wiki/Meliola%20mangiferae	Meliola mangiferae, also described as black mildew, is a plant pathogen. References External links Index Fungorum USDA ARS Fungal Database Fungal plant pathogens and diseases Meliolaceae Fungi described in 1905 Fungus species	Meliola mangiferae	[ "Biology" ]	49	[ "Fungi", "Fungus species" ]
11,775,724	https://en.wikipedia.org/wiki/Cochliobolus%20tuberculatus	Cochliobolus tuberculatus is a plant pathogen. Genomics Condon et al., 2013 elucidates the pathogen's relationship with other Cochliobolus. References Fungal plant pathogens and diseases tuberculatus Fungi described in 1962 Fungus species	Cochliobolus tuberculatus	[ "Biology" ]	59	[ "Fungi", "Fungus species" ]
11,775,744	https://en.wikipedia.org/wiki/Physalospora%20disrupta	Physalospora disrupta is a plant pathogen infecting mangoes. References External links Index Fungorum USDA ARS Fungal Database Fungal plant pathogens and diseases Mango tree diseases Xylariales Fungus species	Physalospora disrupta	[ "Biology" ]	46	[ "Fungi", "Fungus species" ]
11,775,868	https://en.wikipedia.org/wiki/Network%20allocation%20vector	The network allocation vector (NAV) is a virtual carrier-sensing mechanism used with wireless network protocols such as IEEE 802.11 (Wi-Fi) and IEEE 802.16 (WiMax). The virtual carrier-sensing is a logical abstraction which limits the need for physical carrier-sensing at the air interface in order to save power. The MA...	Network allocation vector	[ "Technology", "Engineering" ]	418	[ "Computer networking", "Computer engineering", "Computer network stubs", "Computer science", "Computing stubs" ]
11,776,086	https://en.wikipedia.org/wiki/Drechslera%20avenacea	Drechslera avenacea is a fungal plant pathogen. Hosts Hosts are Avena spp. Includes wild oats, for which it is a bioherbicide. Research Ghajar et al., 2006 investigates and provides culturing parameters. References Fungal plant pathogens and diseases Pleosporaceae Fungus species	Drechslera avenacea	[ "Biology" ]	67	[ "Fungi", "Fungus species" ]
11,776,186	https://en.wikipedia.org/wiki/Ascochyta%20caricae	Ascochyta caricae is a fungal plant pathogen that causes dry rot on papaya. See also List of Ascochyta species References Ascochyta External links Index Fungorum USDA ARS Fungal Database Fungal plant pathogens and diseases Papaya tree diseases caricae Fungi described in 1851 Taxa named by Gottlob Ludwig Rabenhor...	Ascochyta caricae	[ "Biology" ]	77	[ "Fungi", "Fungus species" ]
11,776,312	https://en.wikipedia.org/wiki/Corticium%20roseum	Corticium roseum is a species of fungus in the family Corticiaceae. Basidiocarps (fruit bodies) are effused, smooth, corticioid, and pink. The species has a wide, north and south temperate distribution and in Europe is typically found on dead, attached branches of Salix and Populus. Taxonomy Corticium roseum was orig...	Corticium roseum	[ "Biology" ]	225	[ "Fungi", "Fungus species" ]
11,776,355	https://en.wikipedia.org/wiki/Tyromyces%20chioneus	Tyromyces chioneus, commonly known as the white cheese polypore, is a species of polypore fungus. A widely distributed fungus, it has a circumpolar distribution, in temperate boreal pine forests, of Asia, Europe, and North America, causes white rot in dead hardwood trees, especially birch. Taxonomy The species was fir...	Tyromyces chioneus	[ "Biology" ]	567	[ "Fungi", "Fungus species" ]
11,776,982	https://en.wikipedia.org/wiki/Salinosporamide%20A	Salinosporamide A (Marizomib) is a potent proteasome inhibitor being studied as a potential anticancer agent. It entered phase I human clinical trials for the treatment of multiple myeloma, only three years after its discovery in 2003. This marine natural product is produced by the obligate marine bacteria Salinispora...	Salinosporamide A	[ "Chemistry", "Biology" ]	1,088	[ "Biotechnology products", "Antibiotics", "Chemical synthesis", "Total synthesis", "Biocides" ]
11,777,319	https://en.wikipedia.org/wiki/C2Cl4O	{{DISPLAYTITLE:C2Cl4O}} The molecular formula C2Cl4O may refer to: Tetrachloroethylene oxide Trichloroacetyl chloride	C2Cl4O	[ "Chemistry" ]	41	[ "Isomerism", "Set index articles on molecular formulas" ]
11,777,722	https://en.wikipedia.org/wiki/PhilNITS	The Philippine National Information Technology Standards Foundation, Inc., or PhilNITS, is a non-stock, non-profit, non-government organization that is implementing in the Philippines the Information Technology standards adopted from Japan, with the support of the Department of Trade and Industry (DTI) of the Philippi...	PhilNITS	[ "Technology" ]	2,063	[ "Computer occupations", "Information technology qualifications" ]
11,777,993	https://en.wikipedia.org/wiki/Fuse%20plug	A fuse plug is a collapsible dam installed on spillways in dams to increase the dam's capacity. The principle behind the fuse plug is that the majority of water that overflows a dam's spillway can be safely dammed except in high flood conditions. The fuse plug may be a sand-filled container, a steel structure or a co...	Fuse plug	[ "Engineering" ]	175	[ "Civil engineering", "Civil engineering stubs" ]
11,778,031	https://en.wikipedia.org/wiki/Sodium%20sulfate%20%28data%20page%29	This page provides supplementary chemical data on sodium sulfate. Material Safety Data Sheet The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Safety Data Sheet (SDS) for this chemical from the manufacturer and follow its directions. Structure and properti...	Sodium sulfate (data page)	[ "Chemistry" ]	73	[ "Chemical data pages", "nan" ]
11,778,236	https://en.wikipedia.org/wiki/OLPC%20XO	The OLPC XO (formerly known as $100 Laptop, Children's Machine, 2B1) is a low cost laptop computer intended to be distributed to children in developing countries around the world, to provide them with access to knowledge, and opportunities to "explore, experiment and express themselves" (constructionist learning). The ...	OLPC XO	[ "Technology" ]	5,984	[ "Information and communications technology", "Information and communication technologies for development" ]
11,778,686	https://en.wikipedia.org/wiki/Security%20appliance	A security appliance is any form of server appliance that is designed to protect computer networks from unwanted traffic. Types of security appliances Active devices block unwanted traffic. Examples of such devices are firewalls, anti virus scanning devices, and content filtering devices. Passive devices detect and ...	Security appliance	[ "Technology" ]	126	[ "Computing stubs", "Computer network stubs" ]
11,778,797	https://en.wikipedia.org/wiki/Zymosan	Zymosan is a beta-glucan with repeating glucose units connected by β-1,3-glycosidic linkages. It binds to TLR 2 and Dectin-1 (CLEC7A). Zymosan is a ligand found on the surface of fungi, like yeast. Zymosan is prepared from yeast cell walls and consists of protein-carbohydrate complexes. It is used to induce experime...	Zymosan	[ "Chemistry" ]	222	[ "Carbohydrates", "Polysaccharides" ]
11,779,453	https://en.wikipedia.org/wiki/Etest	Etest (previously known as the Epsilometer test) is a way of determining antimicrobial sensitivity by placing a strip impregnated with antimicrobials onto an agar plate. A strain of bacterium or fungus will not grow near a concentration of antibiotic or antifungal if it is sensitive. For some microbial and antimicrobia...	Etest	[ "Chemistry", "Biology" ]	1,277	[ "Microbiology techniques" ]
11,779,912	https://en.wikipedia.org/wiki/Marine%20sediment	Marine sediment, or ocean sediment, or seafloor sediment, are deposits of insoluble particles that have accumulated on the seafloor. These particles either have their origins in soil and rocks and have been transported from the land to the sea, mainly by rivers but also by dust carried by wind and by the flow of glacie...	Marine sediment	[ "Physics", "Environmental_science" ]	11,407	[ "Oceanography", "Hydrology", "Applied and interdisciplinary physics" ]
11,780,267	https://en.wikipedia.org/wiki/Donetsk%20National%20Technical%20University	Donetsk National Technical University (DonNTU, formerly Donetsk Polytechnic Institute and other names) is the largest and oldest higher education establishment in Donbas, founded in 1921. In its early years, it was attended by Nikita Khrushchev. Following the loss of Ukrainian government control over Donetsk in 2014 d...	Donetsk National Technical University	[ "Engineering" ]	835	[ "Schools of mines", "Engineering universities and colleges" ]
11,780,506	https://en.wikipedia.org/wiki/Bull%20Questar	In information technology, Questar computer terminals are a line of largely 3270-compatible text-only dumb terminals manufactured by Groupe Bull and widely used in France and some other markets. The terminals combine standard 3270 emulation with a number of Questar-specific features. The terminals have been most succ...	Bull Questar	[ "Technology" ]	140	[ "Computing stubs", "Computer hardware stubs" ]
11,780,880	https://en.wikipedia.org/wiki/RespOrg	A RespOrg, or responsible organization, is a company that maintains the registration for individual toll-free telephone numbers in the North American Numbering Plan by means of the distributed Service Management System/800 database. RespOrgs were established in 1993 as part of a Federal Communications Commission order...	RespOrg	[ "Mathematics", "Engineering" ]	891	[ "Telephone numbers", "Network access", "Mathematical objects", "Electronic engineering", "Numbers" ]
11,780,930	https://en.wikipedia.org/wiki/Roof%20edge%20protection	Roof edge protection is fall protection equipment most commonly used during the construction of commercial buildings or residential housing. They can be used along with timber, steel, or concrete structures. It often consists of a toe board, a main guard rail and an intermediate rail.". Roof edge protection can take th...	Roof edge protection	[ "Technology", "Engineering" ]	720	[ "Structural engineering", "Structural system", "Construction", "Construction safety", "Roofs" ]
11,781,050	https://en.wikipedia.org/wiki/ITerating	ITerating was a Wiki-based software guide, where users could find, compare and give reviews to software products. As of January 2021 the domain is listed as being for sale and the website no longer on-line. Founded in October 2005, and based in New York, ITerating was created by CEO Nicolas Vandenberghe, who saw that t...	ITerating	[ "Technology" ]	256	[ "Computing websites" ]
11,781,302	https://en.wikipedia.org/wiki/Astronomy%20Letters	Astronomy Letters (Russian: Pis’ma v Astronomicheskii Zhurnal) is a Russian peer-reviewed scientific journal. The journal covers research on all aspects of astronomy and astrophysics, including high energy astrophysics, cosmology, space astronomy, theoretical astrophysics, radio astronomy, extra galactic astronomy, ste...	Astronomy Letters	[ "Astronomy" ]	275	[ "Astronomy journals", "Astronomy journal stubs", "Works about astronomy", "Astronomy stubs" ]
320,308	https://en.wikipedia.org/wiki/North%20American%20Network%20Operators%27%20Group	The North American Network Operators' Group (NANOG) is a forum for the coordination and dissemination of information to backbone/enterprise networking technologies and operational practices. It runs meetings, talks, surveys, and a mailing list for Internet service providers. The main method of communication is the NANO...	North American Network Operators' Group	[ "Technology", "Engineering" ]	447	[ "Computer networking", "Computer science", "Computer engineering" ]
320,320	https://en.wikipedia.org/wiki/Speculum%20%28medicine%29	A speculum (Latin for 'mirror'; : specula or speculums) is a medical tool for investigating body orifices, with a form dependent on the orifice for which it is designed. In old texts, the speculum may also be referred to as a diopter or dioptra. Like an endoscope, a speculum allows a view inside the body; endoscopes, ...	Speculum (medicine)	[ "Biology" ]	1,423	[ "Medical equipment", "Medical technology" ]
320,323	https://en.wikipedia.org/wiki/Causeway	A causeway is a track, road or railway on the upper point of an embankment across "a low, or wet place, or piece of water". It can be constructed of earth, masonry, wood, or concrete. One of the earliest known wooden causeways is the Sweet Track in the Somerset Levels, England, which dates from the Neolithic age. Timbe...	Causeway	[ "Engineering" ]	2,174	[ "Buildings and structures by type", "Architecture" ]
320,340	https://en.wikipedia.org/wiki/Needle%20and%20syringe%20programmes	A needle and syringe programme (NSP), also known as needle exchange program (NEP), is a social service that allows injection drug users (IDUs) to obtain clean and unused hypodermic needles and associated paraphernalia at little or no cost. It is based on the philosophy of harm reduction that attempts to reduce the risk...	Needle and syringe programmes	[ "Chemistry", "Biology" ]	6,393	[ "Medical waste", "Drug safety" ]
320,351	https://en.wikipedia.org/wiki/Hypodermic%20needle	A hypodermic needle (from Greek ὑπο- (hypo- = under), and δέρμα (derma = skin)) is a very thin, hollow tube with one sharp tip. It is one of a category of medical tools which enter the skin, called sharps. It is commonly used with a syringe, a hand-operated device with a plunger, to inject substances into the body (e.g...	Hypodermic needle	[ "Chemistry" ]	2,189	[ "Pharmacology", "Drug delivery devices" ]
320,364	https://en.wikipedia.org/wiki/Trampling%20%28sexual%20practice%29	Trampling is a sexual activity that involves being trampled underfoot by another person or persons. Trampling is common enough to support a subgenre of trampling pornography. Because trampling can be used to produce pain, the trampling fetish for some adherents is closely linked to sadomasochistic fetishism. A simi...	Trampling (sexual practice)	[ "Biology" ]	200	[ "Behavior", "Sexuality stubs", "Sexuality" ]
320,453	https://en.wikipedia.org/wiki/Black%20Stone	The Black Stone () is a rock set into the eastern corner of the Kaaba, the ancient building in the center of the Grand Mosque in Mecca, Saudi Arabia. It is revered by Muslims as an Islamic relic which, according to Muslim tradition, dates back to the time of Adam and Eve. The stone was venerated at the Kaaba in pre-Is...	Black Stone	[ "Physics" ]	3,631	[ "Stones", "Physical objects", "Matter" ]
320,468	https://en.wikipedia.org/wiki/Affine%20variety	In algebraic geometry, an affine algebraic set is the set of the common zeros over an algebraically closed field of some family of polynomials in the polynomial ring An affine variety or affine algebraic variety, is an affine algebraic set such that the ideal generated by the defining polynomials is prime. Some text...	Affine variety	[ "Mathematics" ]	3,581	[ "Fields of abstract algebra", "Algebraic geometry" ]
320,469	https://en.wikipedia.org/wiki/Projective%20variety	In algebraic geometry, a projective variety is an algebraic variety that is a closed subvariety of a projective space. That is, it is the zero-locus in of some finite family of homogeneous polynomials that generate a prime ideal, the defining ideal of the variety. A projective variety is a projective curve if its dim...	Projective variety	[ "Mathematics" ]	6,015	[ "Fields of abstract algebra", "Algebraic geometry" ]
320,498	https://en.wikipedia.org/wiki/Computer-mediated%20communication	Computer-mediated communication (CMC) is defined as any human communication that occurs through the use of two or more electronic devices. While the term has traditionally referred to those communications that occur via computer-mediated formats (e.g., instant messaging, email, chat rooms, online forums, social networ...	Computer-mediated communication	[ "Technology" ]	1,918	[ "Computer-mediated communication", "Information technology", "Computing and society", "Information systems" ]
320,578	https://en.wikipedia.org/wiki/Tarski%27s%20theorem%20about%20choice	In mathematics, Tarski's theorem, proved by , states that in ZF the theorem "For every infinite set , there is a bijective map between the sets and " implies the axiom of choice. The opposite direction was already known, thus the theorem and axiom of choice are equivalent. Tarski told that when he tried to publish ...	Tarski's theorem about choice	[ "Mathematics" ]	416	[ "Mathematical theorems", "Cardinal numbers", "Foundations of mathematics", "Set theory", "Mathematical logic", "Mathematical objects", "Infinity", "Mathematical axioms", "Axiom of choice", "Numbers", "Axioms of set theory", "Mathematical problems", "Theorems in the foundations of mathematics...
320,638	https://en.wikipedia.org/wiki/Zero%20morphism	In category theory, a branch of mathematics, a zero morphism is a special kind of morphism exhibiting properties like the morphisms to and from a zero object. Definitions Suppose C is a category, and f : X → Y is a morphism in C. The morphism f is called a constant morphism (or sometimes left zero morphism) if for any...	Zero morphism	[ "Mathematics" ]	473	[ "Functions and mappings", "Mathematical structures", "Mathematical objects", "Category theory", "Mathematical relations", "Morphisms" ]
320,733	https://en.wikipedia.org/wiki/Impedance%20matching	In electrical engineering, impedance matching is the practice of designing or adjusting the input impedance or output impedance of an electrical device for a desired value. Often, the desired value is selected to maximize power transfer or minimize signal reflection. For example, impedance matching typically is used t...	Impedance matching	[ "Engineering" ]	4,835	[ "Telecommunications engineering", "Electronic design", "Filter theory", "Electronic engineering", "Design" ]
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	[ "Natural products", "Resins", "Unsolved problems in physics", "Incense material", "Materials", "Plant products", "Amorphous solids", "Matter" ]
320,757	https://en.wikipedia.org/wiki/Groove%20%28music%29	In music, groove is the sense of an effect ("feel") of changing pattern in a propulsive rhythm or sense of "swing". In jazz, it can be felt as a quality of persistently repeated rhythmic units, created by the interaction of the music played by a band's rhythm section (e.g. drums, electric bass or double bass, guitar, a...	Groove (music)	[ "Physics" ]	2,478	[ "Spacetime", "Rhythm and meter", "Physical quantities", "Time" ]
320,819	https://en.wikipedia.org/wiki/Cantor%20function	In mathematics, the Cantor function is an example of a function that is continuous, but not absolutely continuous. It is a notorious counterexample in analysis, because it challenges naive intuitions about continuity, derivative, and measure. Though it is continuous everywhere and has zero derivative almost everywhere...	Cantor function	[ "Mathematics" ]	2,655	[ "Functions and mappings", "Mathematical analysis", "Special functions", "Mathematical objects", "Fractals", "Combinatorics", "Mathematical relations" ]
320,861	https://en.wikipedia.org/wiki/Constant%20function	In mathematics, a constant function is a function whose (output) value is the same for every input value. Basic properties As a real-valued function of a real-valued argument, a constant function has the general form or just For example, the function is the specific constant function where the output value is . T...	Constant function	[ "Mathematics" ]	788	[ "Elementary mathematics" ]
320,873	https://en.wikipedia.org/wiki/Rocketdyne	Rocketdyne is an American rocket engine design and production company headquartered in Canoga Park, in the western San Fernando Valley of suburban Los Angeles, in southern California. Rocketdyne was founded as a division of North American Aviation in 1955 and was later part of Rockwell International from 1967 until 19...	Rocketdyne	[ "Engineering" ]	3,784	[ "Rocketry", "Aerospace engineering" ]
320,997	https://en.wikipedia.org/wiki/Symmedian	In geometry, symmedians are three particular lines associated with every triangle. They are constructed by taking a median of the triangle (a line connecting a vertex with the midpoint of the opposite side), and reflecting the line over the corresponding angle bisector (the line through the same vertex that divides the...	Symmedian	[ "Mathematics" ]	836	[ "Line (geometry)", "Straight lines defined for a triangle" ]
320,998	https://en.wikipedia.org/wiki/Lemoine%20point	In geometry, the Lemoine point, Grebe point or symmedian point is the intersection of the three symmedians (medians reflected at the associated angle bisectors) of a triangle. Ross Honsberger called its existence "one of the crown jewels of modern geometry". In the Encyclopedia of Triangle Centers the symmedian poin...	Lemoine point	[ "Physics", "Mathematics" ]	415	[ "Point (geometry)", "Triangle centers", "Points defined for a triangle", "Geometric centers", "Symmetry" ]
321,017	https://en.wikipedia.org/wiki/Allen%20Brain%20Atlas	The Allen Mouse and Human Brain Atlases are projects within the Allen Institute for Brain Science which seek to combine genomics with neuroanatomy by creating gene expression maps for the mouse and human brain. They were initiated in September 2003 with a $100 million donation from Paul G. Allen and the first atlas wen...	Allen Brain Atlas	[ "Biology" ]	1,944	[ "Bioinformatics", "Biological databases" ]
321,157	https://en.wikipedia.org/wiki/Model%20checking	In computer science, model checking or property checking is a method for checking whether a finite-state model of a system meets a given specification (also known as correctness). This is typically associated with hardware or software systems, where the specification contains liveness requirements (such as avoidance of...	Model checking	[ "Mathematics" ]	2,144	[ "Mathematical logic", "Logic in computer science" ]
321,181	https://en.wikipedia.org/wiki/Couch%20potato	A couch potato is a person who spends most of his or her free time sitting or lying on a couch. This stereotype often refers to a lazy and overweight person who watches a lot of television. Generally speaking, the term refers to a lifestyle in which children or adults don't get enough physical activity. History The ac...	Couch potato	[ "Biology" ]	509	[ "Behavior", "Human behavior" ]
321,363	https://en.wikipedia.org/wiki/Fiasco%20%28novel%29	Fiasco () is a science fiction novel by Polish author Stanisław Lem, first published in a German translation in 1986. The book, published in Poland the following year and translated into English by Michael Kandel in the same year, is a further elaboration of Lem's skepticism: in Lem's opinion, the difficulty in communi...	Fiasco (novel)	[ "Physics" ]	1,159	[ "Black holes", "Unsolved problems in physics", "Fiction about black holes" ]
321,365	https://en.wikipedia.org/wiki/Railway%20track	A railway track ( and UIC terminology) or railroad track (), also known as permanent way () or "P Way" ( and Indian English), is the structure on a railway or railroad consisting of the rails, fasteners, sleepers (railroad ties in American English) and ballast (or slab track), plus the underlying subgrade. It enables t...	Railway track	[ "Engineering" ]	5,921	[ "Structural engineering", "Structural steel" ]
321,371	https://en.wikipedia.org/wiki/Cottaging	Cottaging is a gay slang term, originating from the United Kingdom, referring to anonymous sex between men in a public lavatory (a "cottage" or "tea-room"), or cruising for sexual partners with the intention of having sex elsewhere. The term has its roots in self-contained English toilet blocks resembling small cottage...	Cottaging	[ "Biology" ]	1,286	[ "Excretion", "Toilets" ]
321,373	https://en.wikipedia.org/wiki/High-level%20assembler	A high-level assembler in computing is an assembler for assembly language that incorporate features found in a high-level programming language. The earliest high-level assembler was probably Burroughs' Executive Systems Problem Oriented Language (ESPOL) in about 1960, which provided an ALGOL-like syntax around explici...	High-level assembler	[ "Technology" ]	502	[ "Computing stubs", "Computer science", "Computer science stubs" ]
321,382	https://en.wikipedia.org/wiki/Energy%20flow%20%28ecology%29	Energy flow is the flow of energy through living things within an ecosystem. All living organisms can be organized into producers and consumers, and those producers and consumers can further be organized into a food chain. Each of the levels within the food chain is a trophic level. In order to more efficiently show th...	Energy flow (ecology)	[ "Physics", "Biology", "Environmental_science" ]	3,169	[ "Ecology terminology", "Physical quantities", "Energy (physics)", "Energy", "nan" ]
321,438	https://en.wikipedia.org/wiki/Perfect%20information	In economics, perfect information (sometimes referred to as "no hidden information") is a feature of perfect competition. With perfect information in a market, all consumers and producers have complete and instantaneous knowledge of all market prices, their own utility, and own cost functions. In game theory, a sequen...	Perfect information	[ "Mathematics" ]	590	[ "Game theory" ]
321,451	https://en.wikipedia.org/wiki/Artificial%20world	An artificial world may refer to: Megastructure, large man-made structures, especially those located in outer space. Artificial planet, specific type of megastructure See also Megastructures	Artificial world	[ "Technology" ]	44	[ "Exploratory engineering", "Megastructures" ]
321,459	https://en.wikipedia.org/wiki/Religion%20and%20circumcision	Religious circumcision is generally performed shortly after birth, during childhood, or around puberty as part of a rite of passage. Circumcision for religious reasons is most frequently practiced in Judaism and Islam. Abrahamic religions Judaism Christianity Ancient church Modern Christianity Circumcision is co...	Religion and circumcision	[ "Biology" ]	3,409	[ "Behavior", "Religious practices", "Human behavior" ]
321,481	https://en.wikipedia.org/wiki/Temporal%20logic	In logic, temporal logic is any system of rules and symbolism for representing, and reasoning about, propositions qualified in terms of time (for example, "I am always hungry", "I will eventually be hungry", or "I will be hungry until I eat something"). It is sometimes also used to refer to tense logic, a modal logic-b...	Temporal logic	[ "Physics" ]	3,457	[ "Spacetime", "Philosophy of time", "Physical quantities", "Time" ]
321,544	https://en.wikipedia.org/wiki/Interrobang	The interrobang (), also known as the interabang (often represented by any of the following: ?!, !?, ?!?,?!!, !?? or !?!), is an unconventional punctuation mark intended to combine the functions of the question mark (also known as the interrogative point) and the exclamation mark (also known in the jargon of printers ...	Interrobang	[ "Mathematics" ]	1,108	[ "Symbols", "Typographical symbols" ]
321,614	https://en.wikipedia.org/wiki/Supervised%20injection%20site	Supervised injection sites (SIS) or drug consumption rooms (DCRs) are a health and social response to drug-related problems. They are fixed or mobile spaces where people who use drugs are provided with sterile drug use equipment and can use illicit drugs under the supervision of trained staff. They are usually located ...	Supervised injection site	[ "Chemistry", "Biology", "Environmental_science" ]	5,747	[ "Medical waste", "Environmental social science", "Epidemiology", "Drug safety" ]
321,652	https://en.wikipedia.org/wiki/Term%20logic	In logic and formal semantics, term logic, also known as traditional logic, syllogistic logic or Aristotelian logic, is a loose name for an approach to formal logic that began with Aristotle and was developed further in ancient history mostly by his followers, the Peripatetics. It was revived after the third century CE...	Term logic	[ "Mathematics" ]	4,915	[ "Mathematical logic" ]
321,671	https://en.wikipedia.org/wiki/Tessellation	A tessellation or tiling is the covering of a surface, often a plane, using one or more geometric shapes, called tiles, with no overlaps and no gaps. In mathematics, tessellation can be generalized to higher dimensions and a variety of geometries. A periodic tiling has a repeating pattern. Some special kinds include r...	Tessellation	[ "Physics", "Mathematics" ]	5,219	[ "Tessellation", "Euclidean plane geometry", "Geometry", "Planes (geometry)", "Symmetry" ]
321,787	https://en.wikipedia.org/wiki/UTF-7	UTF-7 (7-bit Unicode Transformation Format) is an obsolete variable-length character encoding for representing Unicode text using a stream of ASCII characters. It was originally intended to provide a means of encoding Unicode text for use in Internet E-mail messages that was more efficient than the combination of UTF-8...	UTF-7	[ "Technology" ]	2,107	[ "Natural language and computing", "Character encoding" ]
321,790	https://en.wikipedia.org/wiki/Cunningham%20chain	In mathematics, a Cunningham chain is a certain sequence of prime numbers. Cunningham chains are named after mathematician A. J. C. Cunningham. They are also called chains of nearly doubled primes. Definition A Cunningham chain of the first kind of length n is a sequence of prime numbers (p1, ..., pn) such that pi+1 ...	Cunningham chain	[ "Mathematics" ]	1,230	[ "Prime numbers", "Mathematical objects", "Numbers", "Number theory" ]
321,801	https://en.wikipedia.org/wiki/Multiply%20perfect%20number	In mathematics, a multiply perfect number (also called multiperfect number or pluperfect number) is a generalization of a perfect number. For a given natural number k, a number n is called (or perfect) if the sum of all positive divisors of n (the divisor function, σ(n)) is equal to kn; a number is thus perfect if a...	Multiply perfect number	[ "Mathematics" ]	1,370	[ "Recreational mathematics", "Perfect numbers", "Arithmetic dynamics", "Number theory", "Dynamical systems" ]
321,827	https://en.wikipedia.org/wiki/Thermosetting%20polymer	In materials science, a thermosetting polymer, often called a thermoset, is a polymer that is obtained by irreversibly hardening ("curing") a soft solid or viscous liquid prepolymer (resin). Curing is induced by heat or suitable radiation and may be promoted by high pressure or mixing with a catalyst. Heat is not neces...	Thermosetting polymer	[ "Chemistry", "Materials_science", "Engineering" ]	2,030	[ "Materials science", "Polymer chemistry" ]
321,831	https://en.wikipedia.org/wiki/Abundant%20number	In number theory, an abundant number or excessive number is a positive integer for which the sum of its proper divisors is greater than the number. The integer 12 is the first abundant number. Its proper divisors are 1, 2, 3, 4 and 6 for a total of 16. The amount by which the sum exceeds the number is the abundance. Th...	Abundant number	[ "Mathematics" ]	946	[ "Sequences and series", "Integer sequences", "Mathematical structures", "Recreational mathematics", "Mathematical objects", "Arithmetic dynamics", "Combinatorics", "Numbers", "Number theory", "Dynamical systems" ]
321,843	https://en.wikipedia.org/wiki/Deficient%20number	In number theory, a deficient number or defective number is a positive integer for which the sum of divisors of is less than . Equivalently, it is a number for which the sum of proper divisors (or aliquot sum) is less than . For example, the proper divisors of 8 are , and their sum is less than 8, so 8 is deficient...	Deficient number	[ "Mathematics" ]	512	[ "Sequences and series", "Integer sequences", "Mathematical structures", "Recreational mathematics", "Mathematical objects", "Arithmetic dynamics", "Combinatorics", "Numbers", "Number theory", "Dynamical systems" ]
321,869	https://en.wikipedia.org/wiki/Coding%20theory	Coding theory is the study of the properties of codes and their respective fitness for specific applications. Codes are used for data compression, cryptography, error detection and correction, data transmission and data storage. Codes are studied by various scientific disciplines—such as information theory, electrical ...	Coding theory	[ "Mathematics", "Engineering" ]	3,600	[ "Discrete mathematics", "Coding theory", "Reliability engineering", "Error detection and correction" ]

Subsets and Splits

No community queries yet

The top public SQL queries from the community will appear here once available.