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 |
|---|---|---|---|---|---|---|
11,866,408 | https://en.wikipedia.org/wiki/Cyclic%20executive | A cyclic executive is an alternative to a real-time operating system. It is a form of cooperative multitasking, in which there is only one task. The sole task is typically realized as an infinite loop in main(), e.g. in C.
The basic scheme is to cycle through a repeating sequence of activities, at a set frequency (A... | Cyclic executive | [
"Technology"
] | 616 | [
"Computing platforms",
"Concurrent computing",
"IT infrastructure"
] |
11,867,217 | https://en.wikipedia.org/wiki/ErbB | The ErbB family of proteins contains four receptor tyrosine kinases, structurally related to the epidermal growth factor receptor (EGFR), its first discovered member. In humans, the family includes Her1 (EGFR, ErbB1), Her2 (ErbB2), Her3 (ErbB3), and Her4 (ErbB4). The gene symbol, ErbB, is derived from the name of a vi... | ErbB | [
"Chemistry"
] | 2,284 | [
"Tyrosine kinase receptors",
"Signal transduction"
] |
11,868,019 | https://en.wikipedia.org/wiki/Algebraic%20Logic%20Functional%20programming%20language | Algebraic Logic Functional (ALF) programming language combines functional and logic programming techniques. Its foundation is Horn clause logic with equality, which consists of predicates and Horn clauses for logic programming, and functions and equations for functional programming.
ALF was designed to be genuine inte... | Algebraic Logic Functional programming language | [
"Technology"
] | 420 | [
"Computing stubs",
"Computer science",
"Computer science stubs"
] |
11,869,020 | https://en.wikipedia.org/wiki/European%20Chemicals%20Bureau | The European Chemicals Bureau (ECB) was the focal point for the data and assessment procedure on dangerous chemicals within the European Union (EU). The ECB was located in Ispra, Italy, within the Joint Research Centre (JRC) of the European Commission. In 2008 the ECB completed its mandate. Some of its activities were ... | European Chemicals Bureau | [
"Chemistry"
] | 864 | [
"Chemical accident",
"Regulation of chemicals in the European Union",
"Regulation of chemicals",
"Computational chemistry",
"nan",
"Cheminformatics",
"Chemical safety"
] |
1,551,777 | https://en.wikipedia.org/wiki/Chemical%20space | Chemical space is a concept in cheminformatics referring to the property space spanned by all possible molecules and chemical compounds adhering to a given set of construction principles and boundary conditions. It contains millions of compounds which are readily accessible and available to researchers. It is a library... | Chemical space | [
"Chemistry"
] | 622 | [
"Theoretical chemistry",
"Computational chemistry",
"nan",
"Cheminformatics"
] |
1,551,797 | https://en.wikipedia.org/wiki/Texas%20Medication%20Algorithm%20Project | The Texas Medication Algorithm Project (TMAP) is a decision-tree medical algorithm, the design of which was based on the expert opinions of mental health specialists. It has provided and rolled out a set of psychiatric management guidelines for doctors treating certain mental disorders within Texas' publicly funded men... | Texas Medication Algorithm Project | [
"Biology"
] | 430 | [
"Health informatics",
"Medical technology"
] |
1,551,873 | https://en.wikipedia.org/wiki/ABC%20transporter | The ABC transporters, ATP synthase (ATP)-binding cassette transporters are a transport system superfamily that is one of the largest and possibly one of the oldest gene families. It is represented in all extant phyla, from prokaryotes to humans. ABC transporters belong to translocases.
ABC transporters often consist ... | ABC transporter | [
"Biology"
] | 15,490 | [
"Protein families",
"Protein classification"
] |
1,551,912 | https://en.wikipedia.org/wiki/Flat%20roof | A flat roof is a roof which is almost level in contrast to the many types of sloped roofs. The slope of a roof is properly known as its pitch and flat roofs have up to approximately 10°.
Flat roofs are an ancient form mostly used in arid climates and allow the roof space to be used as a living space or a living roof. ... | Flat roof | [
"Technology",
"Engineering"
] | 8,707 | [
"Structural system",
"Structural engineering",
"Roofs",
"Construction"
] |
1,551,981 | https://en.wikipedia.org/wiki/Medical%20algorithm | A medical algorithm is any computation, formula, statistical survey, nomogram, or look-up table, useful in healthcare. Medical algorithms include decision tree approaches to healthcare treatment (e.g., if symptoms A, B, and C are evident, then use treatment X) and also less clear-cut tools aimed at reducing or definin... | Medical algorithm | [
"Mathematics",
"Biology"
] | 783 | [
"Applied mathematics",
"Algorithms",
"Mathematical logic",
"Health informatics",
"Medical technology"
] |
1,552,050 | https://en.wikipedia.org/wiki/Training%20%28meteorology%29 | In meteorology, training denotes repeated areas of rain, typically associated with thunderstorms, that move over the same region in a relatively short period. Training thunderstorms are capable of producing excessive rainfall totals, often causing flash flooding. The name training is derived from how a train and its ... | Training (meteorology) | [
"Physics"
] | 340 | [
"Weather",
"Physical phenomena",
"Weather hazards"
] |
1,552,120 | https://en.wikipedia.org/wiki/Kartoo | KartOO was a meta search engine which displayed a visual interface. It operated from 2001 to early 2010.
Interface
KartOO had an Adobe Flash GUI, as opposed to a text-based list of results. Its color scheme was to a degree reminiscent of Apple Computer's Aqua interface. Search results were presented as a "map", with b... | Kartoo | [
"Technology"
] | 505 | [
"Computing stubs",
"World Wide Web stubs"
] |
1,552,348 | https://en.wikipedia.org/wiki/Excess%20post-exercise%20oxygen%20consumption | Excess post-exercise oxygen consumption (EPOC, informally called afterburn) is a measurably increased rate of oxygen intake following strenuous activity. In historical contexts the term "oxygen debt" was popularized to explain or perhaps attempt to quantify anaerobic energy expenditure, particularly as regards lactic a... | Excess post-exercise oxygen consumption | [
"Chemistry",
"Biology"
] | 932 | [
"Biochemistry",
"Exercise biochemistry"
] |
1,552,466 | https://en.wikipedia.org/wiki/Chamfer | A chamfer ( or ) is a transitional edge between two faces of an object. Sometimes defined as a form of bevel, it is often created at a 45° angle between two adjoining right-angled faces.
Chamfers are frequently used in machining, carpentry, furniture, concrete formwork, mirrors, and to facilitate assembly of many m... | Chamfer | [
"Technology",
"Engineering"
] | 1,019 | [
"Computer engineering",
"Electronic design",
"Electronic engineering",
"Electrical engineering",
"Design"
] |
1,552,505 | https://en.wikipedia.org/wiki/Vickers%20hardness%20test | The Vickers hardness test was developed in 1921 by Robert L. Smith and George E. Sandland at Vickers Ltd as an alternative to the Brinell method to measure the hardness of materials. The Vickers test is often easier to use than other hardness tests since the required calculations are independent of the size of the inde... | Vickers hardness test | [
"Materials_science"
] | 1,612 | [
"Hardness tests",
"Materials testing"
] |
1,552,507 | https://en.wikipedia.org/wiki/Remember%20Me%20%28Star%20Trek%3A%20The%20Next%20Generation%29 | "Remember Me" is the 79th episode of the syndicated American science-fiction television series Star Trek: The Next Generation, the fifth episode of the fourth season.
Set in the 24th century, the series follows the adventures of the Starfleet crew of the Federation starship Enterprise-D. This episode focuses on the s... | Remember Me (Star Trek: The Next Generation) | [
"Astronomy"
] | 998 | [
"Astronomical hypotheses",
"Multiverse"
] |
1,552,523 | https://en.wikipedia.org/wiki/Converb | In theoretical linguistics, a converb (abbreviated ) is a nonfinite verb form that serves to express adverbial subordination: notions like 'when', 'because', 'after' and 'while'. Other terms that have been used to refer to converbs include adverbial participle, conjunctive participle, gerund, gerundive and verbal adver... | Converb | [
"Technology"
] | 771 | [
"Parts of speech",
"Components"
] |
1,552,544 | https://en.wikipedia.org/wiki/Onion%20dome | An onion dome is a dome whose shape resembles an onion. Such domes are often larger in diameter than the tholobate (drum) upon which they sit, and their height usually exceeds their width. They taper smoothly upwards to a point.
It is a typical feature of churches belonging to the Russian Orthodox church. There are si... | Onion dome | [
"Technology",
"Engineering"
] | 1,751 | [
"Building engineering",
"Architectural elements",
"Components",
"Architecture"
] |
1,552,607 | https://en.wikipedia.org/wiki/Linkage%20%28mechanical%29 | A mechanical linkage is an assembly of systems connected so as to manage forces and movement. The movement of a body, or link, is studied using geometry so the link is considered to be rigid. The connections between links are modeled as providing ideal movement, pure rotation or sliding for example, and are called jo... | Linkage (mechanical) | [
"Engineering"
] | 3,623 | [
"Mechanical engineering",
"Mechanisms (engineering)"
] |
1,552,884 | https://en.wikipedia.org/wiki/Cylinder-head-sector | Cylinder-head-sector (CHS) is an early method for giving addresses to each physical block of data on a hard disk drive.
It is a 3D-coordinate system made out of a vertical coordinate head, a horizontal (or radial) coordinate cylinder, and an angular coordinate sector. Head selects a circular surface: a platter in the ... | Cylinder-head-sector | [
"Technology"
] | 3,550 | [
"Computer storage devices",
"Recording devices"
] |
1,552,947 | https://en.wikipedia.org/wiki/Strain%20%28music%29 | A strain is a series of musical phrases that create a distinct melody of a piece. A strain is often referred to as a "section" of a musical piece. Often, a strain is repeated for the sake of instilling the melody clearly. This is so in ragtime and marches.
The Oxford English Dictionary lists this use of "strain" (n.2... | Strain (music) | [
"Technology"
] | 149 | [
"Components",
"Formal sections in music analysis"
] |
1,553,015 | https://en.wikipedia.org/wiki/Exposed%20node%20problem | In wireless networks, the exposed node problem occurs when a node is prevented from sending packets to other nodes because of co-channel interference with a neighboring transmitter. Consider an example of four nodes labeled R1, S1, S2, and R2, where the two receivers (R1, R2) are out of range of each other, yet the tw... | Exposed node problem | [
"Technology",
"Engineering"
] | 347 | [
"Wireless networking",
"Computer networks engineering"
] |
1,553,120 | https://en.wikipedia.org/wiki/Delphi%20%28online%20service%29 | Delphi Forums is a U.S. online service provider and since the mid-1990s has been a community internet forum site. It started as a nationwide dialup service in 1983. Delphi Forums remains active as of 2025.
History
The company that became Delphi was founded by Wes Kussmaul as Kussmaul Encyclopedia in 1981 and featured ... | Delphi (online service) | [
"Technology"
] | 1,368 | [
"Computers",
"History of computing"
] |
1,553,317 | https://en.wikipedia.org/wiki/Optical%20medium | In optics, an optical medium is material through which light and other electromagnetic waves propagate. It is a form of transmission medium. The permittivity and permeability of the medium define how electromagnetic waves propagate in it.
Properties
The optical medium has an intrinsic impedance, given by
where and... | Optical medium | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 299 | [
"Applied and interdisciplinary physics",
"Optics",
"Electric and magnetic fields in matter",
"Materials science",
" molecular",
"Condensed matter physics",
"Atomic",
" and optical physics"
] |
1,553,569 | https://en.wikipedia.org/wiki/Abelin%20reaction | The Abelin reaction is a qualitative reaction for demonstrating the presence of arsphenamine and neoarsphenamine in blood and urine.
It is named for Isaak Abelin, Swiss physiologist.
References
Blood tests | Abelin reaction | [
"Chemistry"
] | 50 | [
"Blood tests",
"Chemical pathology"
] |
1,553,609 | https://en.wikipedia.org/wiki/Collet | A collet is a segmented sleeve, band or collar. One of the two radial surfaces of a collet is usually tapered (i.e a truncated cone) and the other is cylindrical. The term collet commonly refers to a type of chuck that uses collets to hold either a workpiece or a tool (such as a drill), but collets have other mechan... | Collet | [
"Engineering"
] | 3,379 | [
"Machine tools",
"Industrial machinery"
] |
1,553,856 | https://en.wikipedia.org/wiki/Aircraft%20flight%20mechanics | Aircraft flight mechanics are relevant to fixed wing (gliders, aeroplanes) and rotary wing (helicopters) aircraft. An aeroplane (airplane in US usage), is defined in ICAO Document 9110 as, "a power-driven heavier than air aircraft, deriving its lift chiefly from aerodynamic reactions on surface which remain fixed under... | Aircraft flight mechanics | [
"Chemistry",
"Engineering"
] | 1,775 | [
"Aircraft manufacturing",
"Aerodynamics",
"Mechanical engineering by discipline",
"Aerospace engineering",
"Fluid dynamics"
] |
1,553,864 | https://en.wikipedia.org/wiki/List%20of%20aviation%2C%20avionics%2C%20aerospace%20and%20aeronautical%20abbreviations | Below are abbreviations used in aviation, avionics, aerospace, and aeronautics.
A
B
C
D
E
F
G
H
I
J
K
L
M
N
N numbers (turbines)
O
P
Q
R
S
T
U
V
V speeds
W
X
Y
Z
See also
List of aviation mnemonics
Avionics
Glossary of Russian and USSR aviation acronyms
Glossary of gliding and soaring
... | List of aviation, avionics, aerospace and aeronautical abbreviations | [
"Technology"
] | 187 | [
"Avionics",
"Aircraft instruments"
] |
1,553,895 | https://en.wikipedia.org/wiki/Anglesey%20Aluminium | Anglesey Aluminium Metal Ltd. was a joint venture between Rio Tinto and Kaiser Aluminum. Its aluminium smelter, located on the outskirts of Holyhead, was one of the largest employers in North Wales, with 540 staff members, and began to produce aluminium in 1971. It was built on the Penrhos Estate, of which were sold b... | Anglesey Aluminium | [
"Chemistry"
] | 597 | [
"Non-ferrous metallurgical works in the United Kingdom",
"Metallurgical facilities"
] |
1,553,972 | https://en.wikipedia.org/wiki/Video%20production | Video production is the process of producing video content. It is the equivalent of filmmaking, but with video recorded either as analog signals on videotape, digitally in video tape or as computer files stored on optical discs, hard drives, SSDs, magnetic tape or memory cards instead of film stock.
Television broadca... | Video production | [
"Engineering"
] | 397 | [
"Broadcast engineering",
"Electronic engineering"
] |
1,554,012 | https://en.wikipedia.org/wiki/Weigh%20in%20motion | Weigh-in-motion or weighing-in-motion (WIM) devices are designed to capture and record the axle weights and gross vehicle weights as vehicles drive over a measurement site. Unlike static scales, WIM systems are capable of measuring vehicles traveling at a reduced or normal traffic speed and do not require the vehicle t... | Weigh in motion | [
"Physics",
"Technology",
"Engineering"
] | 2,405 | [
"Weighing instruments",
"Mass",
"Matter",
"Measuring instruments"
] |
1,554,065 | https://en.wikipedia.org/wiki/Brianchon%27s%20theorem | In geometry, Brianchon's theorem is a theorem stating that when a hexagon is circumscribed around a conic section, its principal diagonals (those connecting opposite vertices) meet in a single point. It is named after Charles Julien Brianchon (1783–1864).
Formal statement
Let be a hexagon formed by six tangent lines ... | Brianchon's theorem | [
"Mathematics"
] | 675 | [
"Theorems in projective geometry",
"Euclidean plane geometry",
"Planes (geometry)",
"Theorems in geometry"
] |
1,554,130 | https://en.wikipedia.org/wiki/Puisne | Puisne (; from Old French puisné, modern puîné, "later born, younger" (and thence, "inferior") from late Latin post-, "after", and natus, "born") is a legal term of art used mainly in British English meaning "inferior in rank".
Judicial usage
The judges and barons of the national common law courts at Westminster, ot... | Puisne | [
"Biology"
] | 384 | [
"Behavior",
"Human behavior",
"Kinship and descent"
] |
1,554,264 | https://en.wikipedia.org/wiki/Locant | In the nomenclature of organic chemistry, a locant is a term to indicate the position of a functional group or substituent within a molecule.
Numeric locants
The International Union of Pure and Applied Chemistry (IUPAC) recommends the use of numeric prefixes to indicate the position of substituents, generally by ide... | Locant | [
"Chemistry"
] | 1,120 | [
"Chemistry prefixes",
"nan"
] |
1,554,371 | https://en.wikipedia.org/wiki/Albert-L%C3%A1szl%C3%B3%20Barab%C3%A1si | Albert-László Barabási (born March 30, 1967) is a Romanian-born Hungarian-American physicist, renowned for his pioneering discoveries in network science and network medicine.
He is a distinguished university professor and Robert Gray Professor of Network Science at Northeastern University, holding additional appointm... | Albert-László Barabási | [
"Physics"
] | 3,009 | [
"Statistical physicists",
"Statistical mechanics"
] |
1,554,398 | https://en.wikipedia.org/wiki/Minimal%20realization | In control theory, given any transfer function, any state-space model that is both controllable and observable and has the same input-output behaviour as the transfer function is said to be a minimal realization of the transfer function. The realization is called "minimal" because it describes the system with the mini... | Minimal realization | [
"Mathematics"
] | 163 | [
"Applied mathematics",
"Control theory",
"Dynamical systems"
] |
1,554,404 | https://en.wikipedia.org/wiki/De%20Finetti%20diagram | A de Finetti diagram is a ternary plot used in population genetics. It is named after the Italian statistician Bruno de Finetti (1906–1985) and is used to graph the genotype frequencies of populations, where there are two alleles and the population is diploid. It is based on an equilateral triangle, and Viviani's theor... | De Finetti diagram | [
"Mathematics"
] | 305 | [
"Applied mathematics",
"Applied mathematics stubs"
] |
1,554,425 | https://en.wikipedia.org/wiki/Master%20cylinder | In automotive engineering, the master cylinder is a control device that converts force (commonly from a driver's foot) into hydraulic pressure. This device controls slave cylinders located at the other end of the hydraulic brake system and/or the hydraulic clutch system.
As piston(s) move along the bore of the master... | Master cylinder | [
"Technology"
] | 727 | [
"Vehicle parts",
"Components"
] |
1,554,948 | https://en.wikipedia.org/wiki/Huemul%20Project | The Huemul Project () was an early 1950s Argentine effort to develop a fusion power device known as the Thermotron. The concept was invented by Austrian scientist Ronald Richter, who claimed to have a design that would produce effectively unlimited power.
Richter was able to pitch the idea to President of Argentina Ju... | Huemul Project | [
"Physics",
"Chemistry"
] | 5,017 | [
"Nuclear fusion",
"Fusion power",
"Plasma physics"
] |
1,554,995 | https://en.wikipedia.org/wiki/Polyol | In organic chemistry, a polyol is an organic compound containing multiple hydroxyl groups (). The term "polyol" can have slightly different meanings depending on whether it is used in food science or polymer chemistry. Polyols containing two, three and four hydroxyl groups are diols, triols, and tetrols, respectively.
... | Polyol | [
"Chemistry",
"Materials_science",
"Engineering"
] | 1,175 | [
"Organic polymers",
"Synthetic resins",
"Products of chemical industry",
"Synthetic materials",
"Materials science",
"Organic compounds",
"Polymer chemistry",
"Commodity chemicals"
] |
1,555,022 | https://en.wikipedia.org/wiki/Web%202.0 | Web 2.0 (also known as participative (or participatory) web and social web) refers to websites that emphasize user-generated content, ease of use, participatory culture, and interoperability (i.e., compatibility with other products, systems, and devices) for end users.
The term was coined by Darcy DiNucci in 1999 and ... | Web 2.0 | [
"Technology"
] | 7,470 | [
"Multimedia",
"New media"
] |
1,555,268 | https://en.wikipedia.org/wiki/Nikolay%20Basov | Nikolay Gennadiyevich Basov (; 14 December 1922 – 1 July 2001) was a Russian Soviet physicist and educator. For his fundamental work in the field of quantum electronics that led to the development of laser and maser, Basov shared the 1964 Nobel Prize in Physics with Alexander Prokhorov and Charles Hard Townes.
Early l... | Nikolay Basov | [
"Physics",
"Chemistry",
"Technology"
] | 1,228 | [
"Physical chemists",
"Spectrum (physical sciences)",
"Analytical chemists",
"Recipients of the Lomonosov Gold Medal",
"Spectroscopists",
"Science and technology awards",
"Spectroscopy"
] |
1,555,317 | https://en.wikipedia.org/wiki/Gunter%27s%20chain | Gunter's chain (also known as Gunter's measurement) is a distance-measuring device used for surveying. It was designed and introduced in 1620 by English clergyman and mathematician Edmund Gunter (1581–1626). It enabled plots of land to be accurately surveyed and plotted, for legal and commercial purposes.
Gunter devel... | Gunter's chain | [
"Mathematics"
] | 1,177 | [
"Quantity",
"Units of measurement",
"Units of length"
] |
1,555,443 | https://en.wikipedia.org/wiki/General%20insurance | General insurance or non-life insurance policy, including automobile and homeowners policies, provide payments depending on the loss from a particular financial event. General insurance is typically defined as any insurance that is not determined to be life insurance. It is called property and casualty insurance in the... | General insurance | [
"Mathematics"
] | 637 | [
"Applied mathematics",
"Actuarial science"
] |
1,555,604 | https://en.wikipedia.org/wiki/Gynandromorphism | A gynandromorph is an organism that contains both male and female characteristics. The term comes from the Greek γυνή (gynē) 'female', ἀνήρ (anēr) 'male', and μορφή (morphē) 'form', and is used mainly in the field of entomology. Gynandromorphism is most frequently recognized in organisms that have strong sexual dimorph... | Gynandromorphism | [
"Physics",
"Biology"
] | 916 | [
"Sex",
"Sexual dimorphism",
"Symmetry",
"Asymmetry"
] |
1,555,644 | https://en.wikipedia.org/wiki/Battleship%20%28puzzle%29 | The Battleship puzzle (sometimes called Bimaru, Yubotu, Solitaire Battleships or Battleship Solitaire) is a logic puzzle based on the Battleship guessing game. It and its variants have appeared in several puzzle contests, including the World Puzzle Championship, and puzzle magazines, such as Games magazine.
Solitaire ... | Battleship (puzzle) | [
"Mathematics"
] | 824 | [
"NP-complete problems",
"Mathematical problems",
"Computational problems"
] |
1,555,658 | https://en.wikipedia.org/wiki/Digit%20%28unit%29 | The digit or finger is an ancient and obsolete non-SI unit of measurement of length. It was originally based on the breadth of a human finger. It was a fundamental unit of length in the Ancient Egyptian, Mesopotamian, Hebrew, Ancient Greek and Roman systems of measurement.
In astronomy a digit is one twelfth of the di... | Digit (unit) | [
"Mathematics"
] | 632 | [
"Quantity",
"Units of measurement",
"Units of length"
] |
1,555,681 | https://en.wikipedia.org/wiki/Finger%20%28unit%29 | A finger (sometimes fingerbreadth or finger's breadth) is any of several units of measurement that are approximately the width of an adult human finger. [Exactly which part of the finger should be used is not defined; the width at the base of fingernail (#6 in the sketch) is typically less than that at the knuckle (#5... | Finger (unit) | [
"Mathematics"
] | 307 | [
"Quantity",
"Units of measurement",
"Units of length"
] |
1,555,695 | https://en.wikipedia.org/wiki/Palm%20%28unit%29 | The palm is an obsolete anthropic unit of length, originally based on the width of the human palm and then variously standardized. The same name is also used for a second, rather larger unit based on the length of the human hand.
The width of the palm was a traditional unit in Ancient Egypt, Israel, Greece, and Rome a... | Palm (unit) | [
"Mathematics"
] | 1,096 | [
"Obsolete units of measurement",
"Quantity",
"Units of measurement",
"Units of length"
] |
1,555,706 | https://en.wikipedia.org/wiki/Tipu%27s%20Tiger | Tipu's Tiger, Tippu's Tiger or Tipoo’s Tiger is an 18th-century automaton created for Tipu Sultan, the ruler of the Kingdom of Mysore (present day Karnataka) in India. The carved and painted wood casing represents a tiger mauling a near life-size European man. Mechanisms inside the tiger and the man's body make one han... | Tipu's Tiger | [
"Engineering"
] | 4,738 | [
"Automata (mechanical)",
"Automation"
] |
1,555,718 | https://en.wikipedia.org/wiki/Shaftment | The shaftment is an obsolete unit of length defined since the 12th century as 6 inches, which nowadays is exactly . A shaftment was traditionally the width of the fist and outstretched thumb. The lengths of poles, staves, etc. can be easily measured by grasping the bottom of the staff with thumb extended and repeating ... | Shaftment | [
"Mathematics"
] | 287 | [
"Quantity",
"Units of measurement",
"Units of length"
] |
1,555,740 | https://en.wikipedia.org/wiki/Ell | An ell (from Proto-Germanic *alinō, cognate with Latin ulna) is a northwestern European unit of measurement, originally understood as a cubit (the combined length of the forearm and extended hand). The word literally means "arm", and survives in the modern English word "elbow" (arm-bend). Later usage through the 19th c... | Ell | [
"Mathematics"
] | 1,034 | [
"Obsolete units of measurement",
"Quantity",
"Units of measurement",
"Units of length"
] |
1,555,745 | https://en.wikipedia.org/wiki/Rope%20%28unit%29 | A rope may refer to any of several units of measurement initially determined or formed by ropes or knotted cords.
Length
The Greco-Roman schoenus, supposedly based on an Egyptian unit derived from a wound reed measuring rope, may also be given in translation as a "rope". According to Strabo, it varied in length betwe... | Rope (unit) | [
"Mathematics"
] | 292 | [
"Quantity",
"Units of area",
"Units of measurement",
"Units of length"
] |
1,555,880 | https://en.wikipedia.org/wiki/Bolt%20cutter | A bolt cutter, sometimes called bolt cropper, is a tool used for cutting bolts, chains, padlocks, rebar and wire mesh. It typically has long handles and short blades, with compound hinges to maximize leverage and cutting force. A typical bolt cutter yields of cutting force for a force on the handles.
There are diffe... | Bolt cutter | [
"Physics"
] | 373 | [
"Mechanics",
"Mechanical hand tools"
] |
1,555,955 | https://en.wikipedia.org/wiki/Stick%20%28unit%29 | The stick may refer to several separate units, depending on the item being measured.
Length
In typography, the stick, stickful, or was an inexact length based on the size of the various composing sticks used by newspaper editors to assemble pieces of moveable type. In English-language papers, it was roughly equal to ... | Stick (unit) | [
"Physics",
"Mathematics"
] | 192 | [
"Matter",
"Units of length",
"Quantity",
"Units of mass",
"Mass",
"Units of measurement"
] |
1,555,991 | https://en.wikipedia.org/wiki/Eastern%20meadow%20vole | The eastern meadow vole (Microtus pennsylvanicus), sometimes called the field mouse or meadow mouse, is a North American vole found in eastern Canada and the United States. Its range extends farther south along the Atlantic coast.
The western meadow vole, Florida salt marsh vole, and beach vole were formerly considere... | Eastern meadow vole | [
"Chemistry",
"Environmental_science"
] | 3,324 | [
"Bioindicators",
"Environmental chemistry"
] |
1,556,147 | https://en.wikipedia.org/wiki/Homer%20%28unit%29 | A homer ( ḥōmer, plural חמרם ḥomārim; also kōr) is a biblical unit of volume used for liquids and dry goods. One homer is equal to 10 baths, or what was also equivalent to 30 seahs; each seah being the equivalent in volume to six kabs, and each kab equivalent in volume to 24 medium-sized eggs. One homer equals 220 li... | Homer (unit) | [
"Mathematics"
] | 145 | [
"Units of volume",
"Obsolete units of measurement",
"Quantity",
"Units of measurement"
] |
1,556,266 | https://en.wikipedia.org/wiki/Nail%20%28unit%29 | A nail, as a unit of cloth measurement, is generally a sixteenth of a yard or 2 inches (5.715 cm). The nail was apparently named after the practice of hammering brass nails into the counter at shops where cloth was sold. On the other hand, R D Connor, in The weights and measures of England (p 84) states that the nail w... | Nail (unit) | [
"Physics",
"Mathematics"
] | 352 | [
"Matter",
"Units of area",
"Units of length",
"Quantity",
"Units of mass",
"Mass",
"Units of measurement"
] |
9,389,047 | https://en.wikipedia.org/wiki/Royal%20Fine%20Art%20Commission%20for%20Scotland | The Royal Fine Art Commission for Scotland was a Scottish public body.
It was appointed in 1927 "to enquire into such questions of public amenity or of artistic importance relating to Scotland as may be referred to them by any of our Departments of State and to report thereon to such Departments; and furthermore, to g... | Royal Fine Art Commission for Scotland | [
"Engineering"
] | 224 | [
"Architecture stubs",
"Architecture"
] |
9,389,372 | https://en.wikipedia.org/wiki/London%20Stone%20%28riparian%29 | London Stone is the name given to a number of boundary stones that stand beside the rivers Thames and Medway, which formerly marked the limits of jurisdiction (riparian water rights) of the City of London.
History
Until 1350, the English Crown held the right to fish the rivers of England and charged duties on those p... | London Stone (riparian) | [
"Physics"
] | 1,254 | [
"Stones",
"Physical objects",
"Matter"
] |
9,389,835 | https://en.wikipedia.org/wiki/Ectodomain | An ectodomain is the domain of a membrane protein that extends into the extracellular space (the space outside a cell). Ectodomains are usually the parts of proteins that initiate contact with surfaces, which leads to signal transduction. A notable example of an ectodomain is the S protein, commonly known as the spike ... | Ectodomain | [
"Chemistry",
"Biology"
] | 504 | [
"Protein structure",
"Protein domains",
"Structural biology",
"Protein classification"
] |
9,390,167 | https://en.wikipedia.org/wiki/Lume | Lume is a short term for the luminous phosphorescent glowing solution applied on watch dials. There are some people who "relume" watches, or replace faded lume. Formerly, lume consisted mostly of radium; however, radium is radioactive and has been mostly replaced on new watches by less bright, but less toxic compounds.... | Lume | [
"Chemistry"
] | 377 | [
"Luminescence",
"Molecular physics"
] |
9,390,286 | https://en.wikipedia.org/wiki/Perkins%204.236 | The Perkins 4.236 is a diesel engine manufactured by Perkins Engines. First produced in 1964,over 70,000 were produced in the first three years, and production increased to 60,000 units per annum. The engine was both innovative (using direct injection) and reliable, becoming a worldwide sales success over several decad... | Perkins 4.236 | [
"Technology"
] | 621 | [
"Engines",
"Automobile engines"
] |
9,390,462 | https://en.wikipedia.org/wiki/Sea%20Sonic | Sea Sonic Electronics Co., Ltd. (), stylized as Seasonic, is a Taiwanese power supply and computer PSU manufacturer and retailer, formerly limited to trading hardware OEM for other companies. They first started making power supplies for the PC industry in the 1981. All of their PSUs are 80 Plus-certified.
In 2002, Sea... | Sea Sonic | [
"Technology"
] | 830 | [
"Computer hardware companies",
"Computers"
] |
9,391,228 | https://en.wikipedia.org/wiki/Stochastically%20stable%20equilibrium | In game theory, a stochastically stable equilibrium is a refinement of the evolutionarily stable state in evolutionary game theory, proposed by Dean Foster and Peyton Young. An evolutionary stable state S is also stochastically stable if under vanishing noise, the probability that the population is in the vicinity of s... | Stochastically stable equilibrium | [
"Mathematics"
] | 199 | [
"Game theory",
"Game theory equilibrium concepts",
"Evolutionary game theory"
] |
9,391,536 | https://en.wikipedia.org/wiki/Cold%20start%20%28recommender%20systems%29 | Cold start is a potential problem in computer-based information systems which involves a degree of automated data modelling. Specifically, it concerns the issue that the system cannot draw any inferences for users or items about which it has not yet gathered sufficient information.
Systems affected
The cold start pro... | Cold start (recommender systems) | [
"Technology"
] | 3,033 | [
"Information systems",
"Information technology"
] |
9,391,957 | https://en.wikipedia.org/wiki/Merchant%20Shipping%20%28Pollution%29%20Act%202006 | The Merchant Shipping (Pollution) Act 2006 (c 8) is an Act of the Parliament of the United Kingdom. It has three main purposes: to give effect to the Supplementary Fund Protocol 2003, to give effect to Annex IV of the MARPOL Convention, and to amend section 178(1) of the Merchant Shipping Act 1995.
Supplementary Fund ... | Merchant Shipping (Pollution) Act 2006 | [
"Chemistry",
"Environmental_science"
] | 369 | [
"Ocean pollution",
"Water pollution"
] |
9,392,122 | https://en.wikipedia.org/wiki/Common%20bunt | Common bunt, also known as hill bunt, Indian bunt, European bunt, stinking smut or covered smut, is a disease of both spring and winter wheats. It is caused by two very closely related fungi, Tilletia tritici (syn. Tilletia caries) and T. laevis (syn. T. foetida).
Symptoms
Plants with common bunt may be moderately s... | Common bunt | [
"Biology"
] | 630 | [
"Fungus common names",
"Fungi",
"Common names of organisms"
] |
9,393,445 | https://en.wikipedia.org/wiki/Inclusion%20%28disability%20rights%29 | Inclusion, in relation to persons with disabilities, is defined as including individuals with disabilities in everyday activities and ensuring they have access to resources and opportunities in ways that are similar to their non-disabled peers. Disability rights advocates define true inclusion as results-oriented, rath... | Inclusion (disability rights) | [
"Engineering"
] | 1,105 | [
"Accessibility",
"Design"
] |
9,394,324 | https://en.wikipedia.org/wiki/Potential%20game | In game theory, a game is said to be a potential game if the incentive of all players to change their strategy can be expressed using a single global function called the potential function. The concept originated in a 1996 paper by Dov Monderer and Lloyd Shapley.
The properties of several types of potential games have... | Potential game | [
"Mathematics"
] | 1,458 | [
"Game theory game classes",
"Game theory"
] |
9,394,749 | https://en.wikipedia.org/wiki/Temperate%20deciduous%20forest | Temperate deciduous or temperate broad-leaf forests are a variety of temperate forest 'dominated' by deciduous trees that lose their leaves each winter. They represent one of Earth's major biomes, making up 9.69% of global land area. These forests are found in areas with distinct seasonal variation that cycle through w... | Temperate deciduous forest | [
"Biology"
] | 2,247 | [
"Forests",
"Ecosystems"
] |
9,394,772 | https://en.wikipedia.org/wiki/Barnes%E2%80%93Hut%20simulation | The Barnes–Hut simulation (named after Josh Barnes and Piet Hut) is an approximation algorithm for performing an N-body simulation. It is notable for having order O(n log n) compared to a direct-sum algorithm which would be O(n2).
The simulation volume is usually divided up into cubic cells via an octree (in a three-d... | Barnes–Hut simulation | [
"Physics",
"Astronomy"
] | 689 | [
"Astrophysics",
"Theoretical physics",
"Physical cosmology",
"Astronomical sub-disciplines"
] |
9,394,818 | https://en.wikipedia.org/wiki/Alexandre-%C3%89mile%20B%C3%A9guyer%20de%20Chancourtois | Alexandre-Émile Béguyer de Chancourtois (20 January 1820 – 14 November 1886) was a French geologist and mineralogist who was the first to arrange the chemical elements in order of atomic weights, doing so in 1862. De Chancourtois only published his paper, but did not publish his actual graph with the irregular arrangem... | Alexandre-Émile Béguyer de Chancourtois | [
"Chemistry"
] | 1,050 | [
"Periodic table",
"People involved with the periodic table"
] |
9,395,279 | https://en.wikipedia.org/wiki/Grothendieck%20inequality | In mathematics, the Grothendieck inequality states that there is a universal constant with the following property. If Mij is an n × n (real or complex) matrix with
for all (real or complex) numbers si, tj of absolute value at most 1, then
for all vectors Si, Tj in the unit ball B(H) of a (real or complex) Hilber... | Grothendieck inequality | [
"Mathematics"
] | 1,660 | [
"Theorems in mathematical analysis",
"Binary relations",
"Theorems in functional analysis",
"Mathematical relations",
"Inequalities (mathematics)",
"Mathematical problems",
"Mathematical theorems"
] |
9,395,776 | https://en.wikipedia.org/wiki/Coded%20aperture | Coded apertures or coded-aperture masks are grids, gratings, or other patterns of materials opaque to various wavelengths of electromagnetic radiation. The wavelengths are usually high-energy radiation such as X-rays and gamma rays. A coded "shadow" is cast upon a plane by blocking radiation in a known pattern. The pro... | Coded aperture | [
"Physics",
"Chemistry",
"Astronomy",
"Engineering"
] | 797 | [
"Transport phenomena",
"Physical phenomena",
"Robotics engineering",
"Observational astronomy",
"Waves",
"Physical computing",
"Radiation",
"Astronomical sub-disciplines"
] |
9,396,423 | https://en.wikipedia.org/wiki/Regina%20Tyshkevich | Regina Iosifovna Tyshkevich (; 20 October 1929 – 17 November 2019) was a Belarusian mathematician, an expert in graph theory, Doctor of Physical and Mathematical Sciences, professor of the Belarusian State University.
Her main scientific interests included Intersection graphs, degree sequences, and the reconstruction... | Regina Tyshkevich | [
"Mathematics"
] | 856 | [
"Mathematical relations",
"Graph theory",
"Graph theorists"
] |
9,396,720 | https://en.wikipedia.org/wiki/Objective-collapse%20theory | Objective-collapse theories, also known spontaneous collapse models or dynamical reduction models, are proposed solutions to the measurement problem in quantum mechanics. As with other interpretations of quantum mechanics, they are possible explanations of why and how quantum measurements always give definite outcomes... | Objective-collapse theory | [
"Physics"
] | 2,434 | [
"Interpretations of quantum mechanics",
"Quantum measurement",
"Quantum mechanics"
] |
9,396,764 | https://en.wikipedia.org/wiki/KC%20Space%20Pirates | In May 20, 2021, KC Space Pirates won one of 4 $50,000 second place prizes in phase 1 of NASA's Watts on the Moon Challenge.
KC Space Pirates competed in the 2006, 2007, and 2009 Space Elevator Games. Prize money was from the NASA Centennial Challenges Power Beaming Challenge.
The competition was put on by the Space... | KC Space Pirates | [
"Astronomy",
"Technology"
] | 382 | [
"Exploratory engineering",
"Astronomical hypotheses",
"Astronomy organizations",
"Space organizations",
"Space elevator"
] |
9,397,319 | https://en.wikipedia.org/wiki/Gauss%E2%80%93Lucas%20theorem | In complex analysis, a branch of mathematics, the Gauss–Lucas theorem gives a geometric relation between the roots of a polynomial and the roots of its derivative . The set of roots of a real or complex polynomial is a set of points in the complex plane. The theorem states that the roots of all lie within the convex ... | Gauss–Lucas theorem | [
"Mathematics"
] | 567 | [
"Theorems in mathematical analysis",
"Theorems in algebra",
"Theorems in complex analysis",
"Theorems about polynomials",
"Articles containing proofs"
] |
9,399,072 | https://en.wikipedia.org/wiki/Vector%20measure | In mathematics, a vector measure is a function defined on a family of sets and taking vector values satisfying certain properties. It is a generalization of the concept of finite measure, which takes nonnegative real values only.
Definitions and first consequences
Given a field of sets and a Banach space a finitel... | Vector measure | [
"Physics",
"Mathematics"
] | 618 | [
"Functions and mappings",
"Functional analysis",
"Physical quantities",
"Measures (measure theory)",
"Applied mathematics",
"Control theory",
"Quantity",
"Mathematical objects",
"Size",
"Mathematical relations",
"Dynamical systems"
] |
9,399,605 | https://en.wikipedia.org/wiki/Grammatik | Grammatik was the first grammar checking program developed for home computer systems. Aspen Software of Albuquerque, NM, released the earliest version of this diction and style checker for personal computers. It was first released no later than 1981, and was inspired by the Writer's Workbench.
Grammatik was first avai... | Grammatik | [
"Technology"
] | 176 | [
"Natural language processing",
"Computing stubs",
"Natural language and computing",
"Software stubs"
] |
9,400,139 | https://en.wikipedia.org/wiki/Tesseractic%20honeycomb | In four-dimensional euclidean geometry, the tesseractic honeycomb is one of the three regular space-filling tessellations (or honeycombs), represented by Schläfli symbol {4,3,3,4}, and consisting of a packing of tesseracts (4-hypercubes).
Its vertex figure is a 16-cell. Two tesseracts meet at each cubic cell, four me... | Tesseractic honeycomb | [
"Physics",
"Chemistry",
"Materials_science"
] | 1,577 | [
"Regular tessellations",
"Honeycombs (geometry)",
"Tessellation",
"Crystallography",
"Symmetry"
] |
9,401,077 | https://en.wikipedia.org/wiki/Color%20LaserWriter | The Color LaserWriter was a line of PostScript four-color laser printers manufactured by Apple Computer, Inc. in the mid-1990s. These printers were compatible with PCs and Apple's own Macintosh line of computers; these printers were also able to connect to large networks by way of the use of an 10baseT Ethernet port. T... | Color LaserWriter | [
"Technology"
] | 297 | [
"Computing stubs",
"Computer hardware stubs"
] |
9,401,560 | https://en.wikipedia.org/wiki/Weighted%20matroid | In combinatorics, a branch of mathematics, a weighted matroid is a matroid endowed with a function that assigns a weight to each element. Formally, let be a matroid, where E is the set of elements and I is the family of independent set. A weighted matroid has a weight function for assigns a strictly positive weight t... | Weighted matroid | [
"Mathematics"
] | 1,400 | [
"Matroid theory",
"Combinatorics"
] |
9,401,706 | https://en.wikipedia.org/wiki/Quaquaversal%20tiling | The quaquaversal tiling is a nonperiodic tiling of Euclidean 3-space introduced by John Conway and Charles Radin. It is analogous to the pinwheel tiling in 2 dimensions having tile orientations that are dense in SO(3). The basic solid tiles are 30-60-90 triangular prisms arranged in a pattern such that some copies are ... | Quaquaversal tiling | [
"Physics",
"Mathematics"
] | 357 | [
"Tessellation",
"Geometry",
"Geometry stubs",
"Aperiodic tilings",
"Symmetry"
] |
9,402,045 | https://en.wikipedia.org/wiki/Pinwheel%20tiling | In geometry, pinwheel tilings are non-periodic tilings defined by Charles Radin and based on a construction due to John Conway.
They are the first known non-periodic tilings to each have the property that their tiles appear in infinitely many orientations.
Definition
Let be the right triangle with side length , and... | Pinwheel tiling | [
"Physics",
"Mathematics"
] | 575 | [
"Discrete mathematics",
"Tessellation",
"Discrete geometry",
"Aperiodic tilings",
"Symmetry"
] |
9,402,074 | https://en.wikipedia.org/wiki/Konarka%20Technologies | Konarka Technologies, Inc. was a solar energy company based in Lowell, Massachusetts, founded in 2001 as a spin-off from University of Massachusetts Lowell. In late May 2012, the company filed for Chapter 7 bankruptcy protection and laid off its approximately 80-member staff. The company’s operations have ceased and a... | Konarka Technologies | [
"Chemistry",
"Materials_science"
] | 1,731 | [
"Organic solar cells",
"Polymer chemistry"
] |
9,402,112 | https://en.wikipedia.org/wiki/Ali%20Moustafa%20Mosharafa | Ali Moustafa Attia Mosharrafa (; 11 July 1898 – 16 January 1950) was an Egyptian theoretical physicist. He was a Professor of Applied Mathematics at Cairo University and also served as the University's first dean. He contributed to the development of Quantum theory as well as the Theory of relativity.
Biography
Early... | Ali Moustafa Mosharafa | [
"Physics"
] | 1,579 | [
"Relativity theorists",
"Theory of relativity"
] |
4,146,026 | https://en.wikipedia.org/wiki/Inayatullah%20Khan%20Mashriqi | Inayatullah Khan Mashriqi (; August 1888 27 August 1963), also known by the honorary title Allama Mashriqi (), was a British Indian, and later, Pakistani mathematician, logician, political theorist, Islamic scholar and the founder of the Khaksar movement.
Around 1930, he founded the Khaksar Movement, aiming both to r... | Inayatullah Khan Mashriqi | [
"Biology"
] | 1,941 | [
"Non-Darwinian evolution",
"Theistic evolutionists",
"Biology theories"
] |
4,146,425 | https://en.wikipedia.org/wiki/Rayleigh%20%28unit%29 | The rayleigh is a unit of photon flux, used to measure faint light emitted in the sky, such as airglow and auroras. It was first proposed in 1956 by Donald M. Hunten, Franklin E. Roach, and Joseph W. Chamberlain. It is named for Robert Strutt, 4th Baron Rayleigh (1875–1947). Its symbol is R (also used for the röntgen, ... | Rayleigh (unit) | [
"Mathematics"
] | 256 | [
"Quantity",
"Units of luminous flux",
"Units of measurement"
] |
4,146,576 | https://en.wikipedia.org/wiki/Nonpoint%20source%20pollution | Nonpoint source (NPS) pollution refers to diffuse contamination (or pollution) of water or air that does not originate from a single discrete source. This type of pollution is often the cumulative effect of small amounts of contaminants gathered from a large area. It is in contrast to point source pollution which resul... | Nonpoint source pollution | [
"Chemistry",
"Environmental_science"
] | 4,229 | [
"Environmental soil science",
"nan",
"Water pollution"
] |
4,147,558 | https://en.wikipedia.org/wiki/Doppler%20cooling | Doppler cooling is a mechanism that can be used to trap and slow the motion of atoms to cool a substance. The term is sometimes used synonymously with laser cooling, though laser cooling includes other techniques.
History
Doppler cooling was simultaneously proposed by two groups in 1975, the first being David J. Wine... | Doppler cooling | [
"Physics",
"Chemistry"
] | 2,357 | [
"Physical phenomena",
"Quantum mechanics",
"Astrophysics",
"Atomic physics",
" molecular",
"Atomic",
"Doppler effects",
" and optical physics"
] |
4,147,648 | https://en.wikipedia.org/wiki/Petrick%27s%20method | In Boolean algebra, Petrick's method (also known as Petrick function or branch-and-bound method) is a technique described by Stanley R. Petrick (1931–2006) in 1956 for determining all minimum sum-of-products solutions from a prime implicant chart. Petrick's method is very tedious for large charts, but it is easy to imp... | Petrick's method | [
"Mathematics"
] | 1,123 | [
"Boolean algebra",
"Fields of abstract algebra",
"Mathematical logic"
] |
4,147,779 | https://en.wikipedia.org/wiki/Neft%20Da%C5%9Flar%C4%B1 | Neft Daşları ( ) is an industrial settlement in Baku, Azerbaijan. The settlement forms part of the municipality of Çilov-Neft Daşları in the Pirallahy raion. It lies away from the Azerbaijani capital Baku, and from the nearest mainland shore in the Caspian Sea. A full town on the sea, it was the first oil platform in... | Neft Daşları | [
"Chemistry",
"Engineering"
] | 1,046 | [
"Oil platforms",
"Structural engineering",
"Petroleum technology",
"Construction",
"Coastal construction",
"Natural gas technology"
] |
4,147,979 | https://en.wikipedia.org/wiki/Merry-go-round%20train | A merry-go-round train, often abbreviated to MGR, is a block train of hopper wagons which both loads and unloads its cargo while moving. In the United Kingdom, they are most commonly coal trains delivering to power stations. These trains were introduced in the 1960s, and were one of the few innovations of the Beeching ... | Merry-go-round train | [
"Technology"
] | 2,404 | [
"Trains",
"Transport systems"
] |
4,148,025 | https://en.wikipedia.org/wiki/Radiation-absorbent%20material | In materials science, radiation-absorbent material (RAM) is a material which has been specially designed and shaped to absorb incident RF radiation (also known as non-ionising radiation), as effectively as possible, from as many incident directions as possible. The more effective the RAM, the lower the resulting level ... | Radiation-absorbent material | [
"Physics",
"Engineering"
] | 3,196 | [
"Electromagnetic compatibility",
"Radio electronics",
"Materials",
"Electrical engineering",
"Matter"
] |
4,148,087 | https://en.wikipedia.org/wiki/Displacement%20ventilation | Displacement ventilation (DV) is a room air distribution strategy where conditioned outdoor air is supplied at a low velocity from air supply diffusers located near floor level and extracted above the occupied zone, usually at ceiling height.
System design
A typical displacement ventilation system, such as one in an ... | Displacement ventilation | [
"Engineering",
"Environmental_science"
] | 1,508 | [
"Environmental design",
"Sustainable building",
"Sustainable architecture",
"Building engineering",
"Construction",
"Design",
"Environmental social science",
"Architecture"
] |
4,148,145 | https://en.wikipedia.org/wiki/Laminar%20flow%20cabinet | A laminar flow cabinet or tissue culture hood is a partially enclosed bench work surface designed to prevent contamination of biological samples, semiconductor wafer, or any particle-sensitive materials. Air is drawn through a HEPA filter and blown in a very smooth laminar flow in a narrow vertical curtain, separating... | Laminar flow cabinet | [
"Biology"
] | 382 | [
"Microbiology equipment"
] |
4,148,166 | https://en.wikipedia.org/wiki/Social%20positioning%20method | The social positioning method (SPM) studies space-time behaviour by analysing the location coordinates of mobile phones and the social characteristics of the people carrying them. The SPM methods and experiments were developed in Estonia by Positium and Institute of Geography University of Tartu during 2003-2006.
The ... | Social positioning method | [
"Technology"
] | 218 | [
"nan"
] |
4,148,511 | https://en.wikipedia.org/wiki/Technology%20trajectory | Technology trajectory refers to a single branch in the evolution of a technological design of a product/service, with nodes representing separate designs. With Technology trajectory referring to a single branch we do expect the development of new technologies to precede recent uses and advance future technologies. The ... | Technology trajectory | [
"Technology"
] | 611 | [
"Science and technology studies"
] |
4,148,657 | https://en.wikipedia.org/wiki/Liquid%20metal%20embrittlement | Liquid metal embrittlement (also known as LME and liquid metal induced embrittlement) is a phenomenon of practical importance, where certain ductile metals experience drastic loss in tensile ductility or undergo brittle fracture when exposed to specific liquid metals. Generally, tensile stress, either externally appli... | Liquid metal embrittlement | [
"Materials_science",
"Engineering"
] | 1,492 | [
"Structural engineering",
"Fracture mechanics",
"Materials science",
"Building defects",
"Materials degradation",
"Mechanical failure"
] |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.