id int64 39 79M | url stringlengths 32 168 | text stringlengths 7 145k | source stringlengths 2 105 | categories listlengths 1 6 | token_count int64 3 32.2k | subcategories listlengths 0 27 |
|---|---|---|---|---|---|---|
52,297,221 | https://en.wikipedia.org/wiki/Volume%20and%20displacement%20indicators%20for%20an%20architectural%20structure | The volume (W) and displacement (Δ) indicators have been discovered by Philippe Samyn in 1997 to help the search for the optimal geometry of architectural structures.
Objective
The study is limited to the quest of the geometry giving the structure of minimum volume.
The cost of a structure depends on the nature and ... | Volume and displacement indicators for an architectural structure | [
"Engineering"
] | 4,336 | [
"Structural engineering",
"Civil engineering",
"Construction"
] |
52,297,304 | https://en.wikipedia.org/wiki/Convergence%20group | In mathematics, a convergence group or a discrete convergence group is a group acting by homeomorphisms on a compact metrizable space in a way that generalizes the properties of the action of Kleinian group by Möbius transformations on the ideal boundary of the hyperbolic 3-space .
The notion of a convergence group ... | Convergence group | [
"Physics",
"Mathematics"
] | 1,396 | [
"Geometric group theory",
"Group actions",
"Geometric topology",
"Group theory",
"Fields of abstract algebra",
"Topology",
"Mechanics",
"Symmetry",
"Dynamical systems"
] |
57,060,297 | https://en.wikipedia.org/wiki/Magnetohydrodynamic%20converter |
A magnetohydrodynamic converter (MHD converter) is an electromagnetic machine with no moving parts involving magnetohydrodynamics, the study of the kinetics of electrically conductive fluids (liquid or ionized gas) in the presence of electromagnetic fields. Such converters act on the fluid using the Lorentz force to o... | Magnetohydrodynamic converter | [
"Physics",
"Chemistry",
"Engineering"
] | 751 | [
"Electromagnetism",
"Physical phenomena",
"Plasma physics",
"Plasma technology and applications",
"Chemical engineering",
"Fundamental interactions",
"Piping",
"Fluid dynamics"
] |
57,064,086 | https://en.wikipedia.org/wiki/Climacodon%20sanguineus | Climacodon sanguineus is a rare species of tooth fungus in the family Phanerochaetaceae that is found in Africa.
Taxonomy
The fungus was originally described as Hydnum sanguineum by Belgian mycologist Maurice Beeli in 1926. The holotype collection was made near Kalo, Democratic Republic of the Congo
Rudolph Arnold Ma... | Climacodon sanguineus | [
"Biology"
] | 294 | [
"Fungi",
"Fungus species"
] |
43,626,457 | https://en.wikipedia.org/wiki/Pracinostat | Pracinostat (SB939) is an orally bioavailable, small-molecule histone deacetylase (HDAC) inhibitor based on hydroxamic acid with potential anti-tumor activity characterized by favorable physicochemical, pharmaceutical, and pharmacokinetic properties.
Activity
Pracinostat selectively inhibits HDAC class I, II, IV witho... | Pracinostat | [
"Chemistry"
] | 261 | [
"Organic compounds",
"Functional groups",
"Hydroxamic acids"
] |
43,628,051 | https://en.wikipedia.org/wiki/TKM-Ebola | TKM-Ebola was an experimental antiviral drug for Ebola disease that was developed by Arbutus Biopharma (formerly Tekmira Pharmaceuticals Corp.) in Vancouver, Canada. The drug candidate was formerly known as Ebola-SNALP.
TKM-Ebola is a combination of small interfering RNAs targeting three of the seven proteins in Ebola... | TKM-Ebola | [
"Chemistry",
"Biology"
] | 448 | [
"Antiviral drugs",
"Biocides",
"Drug safety",
"Abandoned drugs"
] |
49,752,515 | https://en.wikipedia.org/wiki/Scanning%20electron%20cryomicroscopy | Scanning electron cryomicroscopy (CryoSEM) is a form of electron microscopy where a hydrated but cryogenically fixed sample is imaged on a scanning electron microscope's cold stage in a cryogenic chamber. The cooling is usually achieved with liquid nitrogen. CryoSEM of biological samples with a high moisture content c... | Scanning electron cryomicroscopy | [
"Chemistry"
] | 139 | [
"Electron",
"Electron microscopy",
"Microscopy"
] |
49,766,829 | https://en.wikipedia.org/wiki/BART%20superfamily | The Bile/Arsenite/Riboflavin Transporter (BART) superfamily is a superfamily of ubiquitous transport proteins. As of early 2016, the superfamily contains seven established families. Functional data for members of all of these families are available. The seven families are in the Transporter Classification Database with... | BART superfamily | [
"Biology"
] | 591 | [
"Protein superfamilies",
"Protein classification"
] |
49,767,151 | https://en.wikipedia.org/wiki/Chain-ladder%20method | The chain-ladder or development method is a prominent actuarial loss reserving technique.
The chain-ladder method is used in both the property and casualty and health insurance fields. Its intent is to estimate incurred but not reported claims and project ultimate loss amounts.
The primary underlying assumption of th... | Chain-ladder method | [
"Mathematics"
] | 634 | [
"Applied mathematics",
"Actuarial science"
] |
49,768,059 | https://en.wikipedia.org/wiki/9600%20port | The '9600 port' (also named data-jack or data-port) is an industry-specific name given to a special connector on the back of amateur radio HF, VHF, and UHF transceivers. It is used for connecting a packet radio modem or any other type of data-modem which uses audio tones to convey data.
This port is capable of transmi... | 9600 port | [
"Technology"
] | 467 | [
"Wireless networking",
"Digital amateur radio"
] |
49,769,889 | https://en.wikipedia.org/wiki/QDriverStation | The QDriverStation is a free and open-source robotics software for the FIRST Robotics Competition.
The project was started in September 2015 by Alex Spataru (Team 3794), with the objective to provide a stable, free, extensible and friendly to use alternative to the FRC Driver Station. Since then, several FRC students,... | QDriverStation | [
"Engineering"
] | 333 | [
"Robotics software",
"Robotics engineering"
] |
46,788,947 | https://en.wikipedia.org/wiki/Ultrasonic%20pulse%20velocity%20test | An ultrasonic pulse velocity test is an in-situ, nondestructive test to check the quality of concrete and natural rocks. In this test, the strength and quality of concrete or rock is assessed by measuring the velocity of an ultrasonic pulse passing through a concrete structure or natural rock formation.
This test is c... | Ultrasonic pulse velocity test | [
"Materials_science",
"Engineering"
] | 533 | [
"Structural engineering",
"Materials science",
"Construction",
"Nondestructive testing",
"Materials testing",
"Civil engineering",
"Concrete"
] |
46,789,513 | https://en.wikipedia.org/wiki/Applegate%20mechanism | The Applegate mechanism (Applegate's mechanism or Applegate effect) explains long term orbital period variations seen in certain eclipsing binaries. As a main sequence star goes through an activity cycle, the outer layers of the star are subject to a magnetic torque changing the distribution of angular momentum, result... | Applegate mechanism | [
"Physics",
"Astronomy"
] | 1,182 | [
"Astronomical sub-disciplines",
"Physical phenomena",
"Stellar phenomena",
"Astrophysics"
] |
28,604,428 | https://en.wikipedia.org/wiki/Nano%20guitar | The nano guitar is a microscopically small carved guitar. It was developed by Dustin W. Carr in 1997, under the direction of Professor Harold G. Craighead, in the Cornell Nanofabrication Facility. The idea came about as a fun way to illustrate nanotechnology, and captured popular attention. It is disputed as to whether... | Nano guitar | [
"Physics",
"Chemistry",
"Materials_science",
"Technology"
] | 481 | [
"Molecular machines",
"Nanotechnology",
"Machines",
"Physical systems"
] |
28,613,911 | https://en.wikipedia.org/wiki/Iodine%20monofluoride | Iodine monofluoride is an interhalogen compound of iodine and fluorine with formula IF. It is a chocolate-brown solid that decomposes at 0 °C, disproportionating to elemental iodine and iodine pentafluoride:
5 IF → 2 I2 + IF5
However, its molecular properties can still be precisely determined by spectroscopy: the io... | Iodine monofluoride | [
"Physics",
"Chemistry"
] | 335 | [
"Molecules",
"Interhalogen compounds",
"Oxidizing agents",
"Salts",
"Diatomic molecules",
"Fluorides",
"Matter"
] |
40,766,961 | https://en.wikipedia.org/wiki/Minimum%20control%20speeds | The minimum control speed (VMC) of a multi-engine aircraft (specifically an airplane) is a V-speed that specifies the calibrated airspeed below which directional or lateral control of the aircraft can no longer be maintained, after the failure of one or more engines. The VMC only applies if at least one engine is still... | Minimum control speeds | [
"Physics",
"Chemistry",
"Engineering"
] | 1,911 | [
"Physical quantities",
"Aerodynamics",
"Airspeed",
"Aerospace engineering",
"Wikipedia categories named after physical quantities",
"Fluid dynamics"
] |
40,767,780 | https://en.wikipedia.org/wiki/Geographic%20center%20of%20Belarus | The geographical center of Belarus () is at the geographical coordinates of latitude 53°31'44.54", longitude 28°02'41.90". It is located 70-km south-east of Minsk, a 6-km west of Marina Hills, and 1 km to the south-east of the village Antonovo, Pukhovisky District, Minsk Oblast, Belarus.
Search works were carried out ... | Geographic center of Belarus | [
"Physics",
"Mathematics"
] | 199 | [
"Point (geometry)",
"Geometric centers",
"Geographical centres",
"Symmetry"
] |
40,769,910 | https://en.wikipedia.org/wiki/Homotopy%20excision%20theorem | In algebraic topology, the homotopy excision theorem offers a substitute for the absence of excision in homotopy theory. More precisely, let be an excisive triad with nonempty, and suppose the pair is ()-connected, , and the pair is ()-connected, . Then the map induced by the inclusion ,
,
is bijective for and is ... | Homotopy excision theorem | [
"Mathematics"
] | 171 | [
"Topology stubs",
"Topology"
] |
48,483,838 | https://en.wikipedia.org/wiki/Encapsulin%20nanocompartment | Encapsulin nanocompartments, or encapsulin protein cages, are spherical bacterial organelle-like compartments roughly 25-30 nm in diameter that are involved in various aspects of metabolism, in particular protecting bacteria from oxidative stress. Encapsulin nanocompartments are structurally similar to the HK97 bacteri... | Encapsulin nanocompartment | [
"Chemistry",
"Engineering",
"Biology"
] | 338 | [
"Biological engineering",
"Cell biology",
"Cellular processes",
"Biochemistry",
"Metabolism"
] |
48,487,233 | https://en.wikipedia.org/wiki/Paul%20Weyland | Paul Wilhelm Gustav Weyland (20 January 1888, Berlin – 6 December 1972, Bad Pyrmont) was the antisemitic leader of the Anti Einstein League.
In 1919 Weyland published the novel Hie Kreuz - hie Triglaff (The Cross against the Triglav), which gives a chauvinistic account of the historical events of the tenth century A.D... | Paul Weyland | [
"Physics"
] | 380 | [
"Relativity critics",
"Theory of relativity"
] |
48,487,824 | https://en.wikipedia.org/wiki/Euler%27s%20critical%20load | Euler's critical load or Euler's buckling load is the compressive load at which a slender column will suddenly bend or buckle. It is given by the formula:
where
, Euler's critical load (longitudinal compression load on column),
, Young's modulus of the column material,
, second moment of area of the cross section of t... | Euler's critical load | [
"Physics",
"Materials_science",
"Technology",
"Engineering"
] | 1,017 | [
"Structural engineering",
"Physical phenomena",
"Mechanical failure modes",
"Elasticity (physics)",
"Deformation (mechanics)",
"Structural analysis",
"Technological failures",
"Mechanics",
"Mechanical engineering",
"Aerospace engineering",
"Mechanical failure",
"Physical properties"
] |
48,488,023 | https://en.wikipedia.org/wiki/Ciraparantag | Ciraparantag (aripazine) is a drug under investigation as an antidote for a number of anticoagulant (anti-blood clotting) drugs, including factor Xa inhibitors (rivaroxaban, apixaban and edoxaban), dabigatran, and heparins (including fondaparinux, low molecular weight heparins (LMWH), and unfractionated heparin).
Medi... | Ciraparantag | [
"Chemistry"
] | 275 | [
"Guanidines",
"Functional groups"
] |
48,491,335 | https://en.wikipedia.org/wiki/Orbital%20pass | An orbital pass (or simply pass) is the period in which a spacecraft is above the local horizon, and thus available for line-of-sight communication with a given ground station, receiver, or relay satellite, or for visual sighting. The beginning of a pass is termed acquisition of signal (AOS); the end of a pass is terme... | Orbital pass | [
"Engineering"
] | 449 | [
"Astrodynamics",
"Spacecraft communication",
"Aerospace engineering"
] |
48,492,125 | https://en.wikipedia.org/wiki/SECU-3 | SECU-3 is an internal combustion engine control unit. It is being developed as an open source project (drawings, schematic diagrams, source code etc. are open and freely available for all). Anyone can take part in the project, and can access all the information without any registrations.
SECU-3 system controls the ign... | SECU-3 | [
"Technology"
] | 2,147 | [
"Engine technology",
"Engine components",
"Engines"
] |
48,493,924 | https://en.wikipedia.org/wiki/Acmella%20nana | Acmella nana is a species of land snail discovered from Borneo, Malaysia, in 2015. It was described by Jaap J. Vermeulen of the JK Art and Science in Leiden, Thor-Seng Liew of the Institute for Tropical Biology and Conservation at the Universiti Malaysia Sabah, and Menno Schilthuizen of the Naturalis Biodiversity Cente... | Acmella nana | [
"Physics",
"Mathematics",
"Biology"
] | 771 | [
"Quantity",
"Physical quantities",
"Organism size",
"Size"
] |
32,361,704 | https://en.wikipedia.org/wiki/Slip%20ratio%20%28gas%E2%80%93liquid%20flow%29 | Slip ratio (or velocity ratio) in gas–liquid (two-phase) flow, is defined as the ratio of the velocity of the gas phase to the velocity of the liquid phase.
In the homogeneous model of two-phase flow, the slip ratio is by definition assumed to be unity (no slip). It is however experimentally observed that the velocity... | Slip ratio (gas–liquid flow) | [
"Chemistry",
"Engineering"
] | 403 | [
"Piping",
"Chemical engineering",
"Fluid dynamics"
] |
32,363,043 | https://en.wikipedia.org/wiki/Agaropectin | Agaropectin is one of the two main components of agar.
Structure
Agaropectin is a sulfated galactan mixture which composes agar by 30% composition. It is composed of varying percentages of organosulfates (sulfate esters), D-glucuronic acid and small amounts of pyruvic acid. It is made up of alternating units of D-gal... | Agaropectin | [
"Chemistry"
] | 280 | [
"Carbohydrates",
"Polysaccharides"
] |
32,365,238 | https://en.wikipedia.org/wiki/Paavo%20Pylkk%C3%A4nen | Paavo Pylkkänen (born 1959) is a Finnish philosopher of mind. He is an Associate Professor of Philosophy at the University of Skövde and a university lecturer in theoretical philosophy at the University of Helsinki. He is known for his work on mind-body studies, building on David Bohm's interpretation of quantum mechan... | Paavo Pylkkänen | [
"Physics"
] | 1,055 | [
"Quantum mind",
"Quantum mechanics"
] |
32,365,813 | https://en.wikipedia.org/wiki/Sigma%20coordinate%20system | The sigma coordinate system is a common coordinate system used in computational models for oceanography, meteorology and other fields where fluid dynamics are relevant. This coordinate system receives its name from the independent variable used to represent a scaled pressure level.
Models that use a sigma coordinate ... | Sigma coordinate system | [
"Physics",
"Environmental_science"
] | 549 | [
"Oceanography",
"Hydrology",
"Applied and interdisciplinary physics"
] |
32,367,668 | https://en.wikipedia.org/wiki/DWSIM |
DWSIM is an open-source CAPE-OPEN compliant chemical process simulator for Windows, Linux and macOS. DWSIM is built on top of the Microsoft .NET and Mono Platforms and features a graphical user interface (GUI), advanced thermodynamics calculations, reactions support and petroleum characterization / hypothetical compon... | DWSIM | [
"Chemistry",
"Engineering"
] | 676 | [
"Chemical engineering software",
"Chemical engineering"
] |
32,370,985 | https://en.wikipedia.org/wiki/Integrated%20stress%20response | The integrated stress response is a cellular stress response conserved in eukaryotic cells that downregulates protein synthesis and upregulates specific genes in response to internal or environmental stresses.
Background
The integrated stress response can be triggered within a cell due to either extrinsic or intrins... | Integrated stress response | [
"Chemistry",
"Biology"
] | 2,093 | [
"Biomolecules by chemical classification",
"Gene expression",
"Eukaryote biology",
"Molecular genetics",
"Cellular processes",
"Molecular biology",
"Biochemistry",
"Proteins",
"Eukaryotes"
] |
42,191,418 | https://en.wikipedia.org/wiki/Imaging%20cycler%20microscopy | An imaging cycler microscope (ICM) is a fully automated (epi) fluorescence microscope which overcomes the spectral resolution limit resulting in parameter- and dimension-unlimited fluorescence imaging. The principle and robotic device was described by Walter Schubert in 1997 and has been further developed with his co-w... | Imaging cycler microscopy | [
"Physics",
"Mathematics",
"Engineering",
"Biology"
] | 549 | [
"Biological engineering",
"Bioinformatics",
"Omics",
"Topology",
"Space",
"Geometry",
"Spacetime",
"Systems biology"
] |
42,193,218 | https://en.wikipedia.org/wiki/Human%20digestive%20system | The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder). Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body. The process of... | Human digestive system | [
"Chemistry",
"Biology"
] | 9,843 | [
"Digestive system",
"Organ systems",
"Cellular processes",
"Biochemistry",
"Metabolism"
] |
37,988,325 | https://en.wikipedia.org/wiki/Lipidology | Lipidology is the scientific study of lipids. Lipids are a group of biological macromolecules that have a multitude of functions in the body. Clinical studies on lipid metabolism in the body have led to developments in therapeutic lipidology for disorders such as cardiovascular disease.
History
Compared to other biome... | Lipidology | [
"Chemistry",
"Biology"
] | 904 | [
"Biomolecules by chemical classification",
"Organic compounds",
"nan",
"Biochemistry",
"Lipids"
] |
30,110,617 | https://en.wikipedia.org/wiki/Great%20Comet%20of%201823 | The Great Comet of 1823, also designated C/1823 Y1 or Comet De Bréauté-Pons, was a bright comet visible from December 1823 to April 1824.
Discovery and observations
It was independently discovered by Nell de Bréauté at Dieppe on December 29, by Jean-Louis Pons on the morning of December 30, and by Wilhelm von Biela a... | Great Comet of 1823 | [
"Astronomy"
] | 266 | [
"Astronomy stubs",
"Comet stubs"
] |
30,115,086 | https://en.wikipedia.org/wiki/Quantum%20machine | A quantum machine is a human-made device whose collective motion follows the laws of quantum mechanics. The idea that macroscopic objects may follow the laws of quantum mechanics dates back to the advent of quantum mechanics in the early 20th century. However, as highlighted by the Schrödinger's cat thought experimen... | Quantum machine | [
"Physics"
] | 827 | [
"Theoretical physics",
"Quantum mechanics"
] |
30,115,275 | https://en.wikipedia.org/wiki/Illumination%20problem | Illumination problems are a class of mathematical problems that study the illumination of rooms with mirrored walls by point light sources.
Original formulation
The original formulation was attributed to Ernst Straus in the 1950s and has been resolved. Straus asked whether a room with mirrored walls can always be illu... | Illumination problem | [
"Physics",
"Mathematics"
] | 653 | [
"Mathematical problems",
"Mechanics",
"Dynamical systems"
] |
30,121,233 | https://en.wikipedia.org/wiki/Binary%20expression%20tree | A binary expression tree is a specific kind of a binary tree used to represent expressions. Two common types of expressions that a binary expression tree can represent are algebraic and boolean. These trees can represent expressions that contain both unary and binary operators.
Like any binary tree, each node of a bi... | Binary expression tree | [
"Mathematics",
"Technology"
] | 470 | [
"Computer science",
"Computer algebra",
"Computational mathematics",
"Algebra"
] |
30,121,570 | https://en.wikipedia.org/wiki/Thermo%20galvanometer | The thermo-galvanometer is an instrument for measuring small electric currents. It was invented by William Duddell about 1900. The following is a description of the instrument taken from a trade catalog of Cambridge Scientific Instrument Company dated 1905:
For a long time the need of an instrument capable of accurat... | Thermo galvanometer | [
"Technology",
"Engineering"
] | 382 | [
"Galvanometers",
"Measuring instruments"
] |
50,859,529 | https://en.wikipedia.org/wiki/Alexander%20Duckham | Alexander Duckham (11 March 1877 – 1 February 1945) was an English chemist and businessman, best known for the development of machine lubricants. The son of an engineer, after university he specialised in lubrication, working briefly for Fleming's Oil Company before founding his own company, Alexander Duckham & Co, in ... | Alexander Duckham | [
"Materials_science"
] | 1,141 | [
"Tribology",
"Tribologists"
] |
50,871,480 | https://en.wikipedia.org/wiki/LONGi | LONGi Green Energy Technology Co. Ltd. () or LONGi Group (), formerly Xi'an Longi Silicon Materials Corporation, is a Chinese photovoltaics company, a major manufacturer of solar modules and a developer of solar power projects.
LONGi is the world's largest manufacturer of monocrystalline silicon wafers and is listed ... | LONGi | [
"Chemistry",
"Materials_science",
"Engineering"
] | 1,114 | [
"Silicon photonics",
"Engineering companies",
"Crystallography",
"Crystals",
"Photovoltaics manufacturers",
"Nanotechnology"
] |
33,952,467 | https://en.wikipedia.org/wiki/Microcontinuity | In nonstandard analysis, a discipline within classical mathematics, microcontinuity (or S-continuity) of an internal function f at a point a is defined as follows:
for all x infinitely close to a, the value f(x) is infinitely close to f(a).
Here x runs through the domain of f. In formulas, this can be expressed as fol... | Microcontinuity | [
"Mathematics"
] | 644 | [
"Theory of continuous functions",
"Mathematical objects",
"Infinity",
"Nonstandard analysis",
"Topology",
"Mathematics of infinitesimals",
"Model theory"
] |
33,956,742 | https://en.wikipedia.org/wiki/Acheson%20process | The Acheson process is a method of synthesizing silicon carbide (SiC) and graphite invented by Edward Goodrich Acheson and patented by him in 1896.
Process
The process consists of heating a mixture of silicon dioxide (SiO2), in the form of silica or quartz sand, and carbon, in its elemental form as powdered coke, i... | Acheson process | [
"Chemistry",
"Environmental_science"
] | 966 | [
"Toxicology",
"Chemical processes",
"nan",
"Chemical process engineering",
"Carcinogens"
] |
33,962,555 | https://en.wikipedia.org/wiki/Multiple-use%20water%20supply%20system | Multiple Use water Schemes (MUS) are low-cost, equitable water supply systems that provide communities with water for both domestic needs and high-value agricultural production, including rearing livestock. They are designed for use in rural areas, inhabited by smallholder farmers, and generally cover ten to 40 househo... | Multiple-use water supply system | [
"Chemistry",
"Engineering",
"Environmental_science"
] | 522 | [
"Hydrology",
"Water supply",
"Environmental engineering"
] |
53,689,676 | https://en.wikipedia.org/wiki/Worksoft | Worksoft, Inc. is a software testing company founded in 1998 and headquartered in Addison, Texas. The company provides an automation platform for test automation, business process discovery, and documentation supporting enterprise applications, including packaged and web apps.
In addition to its headquarters in Addiso... | Worksoft | [
"Engineering"
] | 287 | [
"Software engineering",
"Software testing"
] |
52,309,618 | https://en.wikipedia.org/wiki/Geology%20applications%20of%20Fourier%20transform%20infrared%20spectroscopy | Fourier transform infrared spectroscopy (FTIR) is a spectroscopic technique that has been used for analyzing the fundamental molecular structure of geological samples in recent decades. As in other infrared spectroscopy, the molecules in the sample are excited to a higher energy state due to the absorption of infrared... | Geology applications of Fourier transform infrared spectroscopy | [
"Physics",
"Chemistry"
] | 2,740 | [
"Infrared spectroscopy",
"Spectroscopy",
"Spectrum (physical sciences)"
] |
52,311,547 | https://en.wikipedia.org/wiki/Quadruplanar%20inversor | The Quadruplanar inversor of Sylvester and Kempe is a generalization of Hart's inversor. Like Hart's inversor, is a mechanism that provides a perfect straight line motion without sliding guides.
The mechanism was described in 1875 by James Joseph Sylvester in the journal Nature.
Like Hart's inversor, it is based on a... | Quadruplanar inversor | [
"Physics"
] | 606 | [
"Physical phenomena",
"Motion (physics)",
"Linear motion"
] |
55,201,705 | https://en.wikipedia.org/wiki/Mathematical%20Methods%20of%20Classical%20Mechanics | Mathematical Methods of Classical Mechanics is a textbook by mathematician Vladimir I. Arnold. It was originally written in Russian, and later translated into English by A. Weinstein and K. Vogtmann. It is aimed at graduate students.
Contents
Part I: Newtonian Mechanics
Chapter 1: Experimental Facts
Chapter 2: Inv... | Mathematical Methods of Classical Mechanics | [
"Physics"
] | 534 | [
"Mechanics",
"Classical mechanics"
] |
55,205,298 | https://en.wikipedia.org/wiki/Mean%20glandular%20dose | In mammography, mean glandular dose (MGD) is a quantity used to describe the absorbed dose of radiation to the breast. It is based on a measurement of air kerma and conversion factors. MGD can be calculated from measurements made with poly(methyl methacrylate) (PMMA) blocks. It is often used to compare typical doses to... | Mean glandular dose | [
"Physics"
] | 305 | [
"Applied and interdisciplinary physics",
"Medical physics"
] |
55,206,126 | https://en.wikipedia.org/wiki/Schuler%20Group | Schuler AG is a German company headquartered in Göppingen, Baden-Württemberg which operates in the field of forming technology and is the world's largest manufacturer of presses. The presses are used to create car body sheets and other car parts as well as items such as beverage and aerosol cans, coins, sinks, large pi... | Schuler Group | [
"Engineering"
] | 775 | [
"Industrial machine manufacturers",
"Industrial machinery"
] |
55,206,702 | https://en.wikipedia.org/wiki/Seidel%27s%20algorithm | Seidel's algorithm is an algorithm designed by Raimund Seidel in 1992 for the all-pairs-shortest-path problem for undirected, unweighted, connected graphs. It solves the problem in expected time for a graph with vertices, where is the exponent in the complexity of matrix multiplication. If only the distances betwe... | Seidel's algorithm | [
"Mathematics"
] | 705 | [
"Computational problems in graph theory",
"Computational mathematics",
"Graph theory",
"Computational problems",
"Polynomial-time problems",
"Mathematical relations",
"Mathematical problems",
"Graph distance"
] |
55,208,562 | https://en.wikipedia.org/wiki/BioData%20Mining | BioData Mining is a peer-reviewed open access scientific journal covering data mining methods applied to computational biology and medicine established in 2008. It is published by BioMed Central and the editors-in-chief are Jason H. Moore and Nicholas Tatonetti (Cedars Sinai Medical Center).
Abstracting and indexing
... | BioData Mining | [
"Biology"
] | 122 | [
"Bioinformatics",
"Biomedical informatics journals"
] |
43,633,744 | https://en.wikipedia.org/wiki/Mesodinium%20rubrum | Mesodinium rubrum (or Myrionecta rubra) is a species of ciliates. It constitutes a plankton community and is found throughout the year, most abundantly in spring and fall, in coastal areas. Although discovered in 1908, its scientific importance came into light in the late 1960s when it attracted scientists by the recur... | Mesodinium rubrum | [
"Biology"
] | 845 | [
"Endosymbiotic events",
"Symbiosis",
"Marine biology"
] |
43,635,021 | https://en.wikipedia.org/wiki/Lectican | Lecticans, also known as hyalectans, are a family of proteoglycans (a type protein that is attached to chains of negatively charged polysaccharides) that are components of the extracellular matrix. There are four members of the lectican family: aggrecan, brevican, neurocan, and versican. Lecticans interact with hyalu... | Lectican | [
"Biology"
] | 323 | [
"Protein families",
"Protein classification"
] |
43,635,566 | https://en.wikipedia.org/wiki/Loss%20free%20resistor | A loss free resistor (LFR) is a resistor that does not lose energy. The first implementation was due to Singer and it has been implemented in various settings.
Overview
Many power processing systems can be improved by the application of resistive elements. Resistors may be applied for waveshaping, damping of oscillat... | Loss free resistor | [
"Physics"
] | 861 | [
"Resistive components",
"Physical quantities",
"Electrical resistance and conductance"
] |
43,637,988 | https://en.wikipedia.org/wiki/Lines%20of%20non-extension | In the field of biomechanics, the lines of non-extension are notional lines running across the human body along which body movement causes neither stretching or contraction. Discovered by Arthur Iberall in work beginning in the 1940s, as part of research into space suit design, they have been further developed by Dava ... | Lines of non-extension | [
"Physics",
"Astronomy",
"Biology"
] | 252 | [
"Biomechanics",
"Outer space",
"Astronomy stubs",
"Mechanics",
"Outer space stubs",
"Anatomy"
] |
43,638,272 | https://en.wikipedia.org/wiki/Chikungunya%20vaccine | A Chikungunya vaccine is a vaccine intended to provide acquired immunity against the chikungunya virus.
The most commonly reported side effects include headache, fatigue, muscle pain, joint pain, fever, nausea and tenderness at the injection site.
The first chikungunya vaccine was approved for medical use in the Unit... | Chikungunya vaccine | [
"Biology"
] | 676 | [
"Vaccination",
"Vaccines"
] |
43,638,795 | https://en.wikipedia.org/wiki/Gas%20blending | Gas blending is the process of mixing gases for a specific purpose where the composition of the resulting mixture is defined, and therefore, controlled.
A wide range of applications include scientific and industrial processes, food production and storage and breathing gases.
Gas mixtures are usually specified in terms... | Gas blending | [
"Chemistry"
] | 2,382 | [
"Chemical process engineering",
"Industrial gases"
] |
46,801,868 | https://en.wikipedia.org/wiki/Modimelanotide | Modimelanotide (INN) (code names AP-214, ABT-719, ZP-1480) is a melanocortinergic peptide drug derived from α-melanocyte-stimulating hormone (α-MSH) which was under development by, at different times, Action Pharma, Abbott Laboratories, AbbVie, and Zealand for the treatment of acute kidney injury. It acts as a non-sele... | Modimelanotide | [
"Chemistry"
] | 240 | [
"Biomolecules by chemical classification",
"Drug safety",
"Molecular biology",
"Peptides",
"Abandoned drugs"
] |
46,801,914 | https://en.wikipedia.org/wiki/%CE%92-Melanocyte-stimulating%20hormone | β-Melanocyte-stimulating hormone (β-MSH) is an endogenous peptide hormone and neuropeptide. It is a melanocortin, specifically, one of the three types of melanocyte-stimulating hormone (MSH), and is produced from proopiomelanocortin (POMC). It is an agonist of the MC1, MC3, MC4, and MC5 receptors.
β-MSH is also known ... | Β-Melanocyte-stimulating hormone | [
"Chemistry",
"Biology"
] | 228 | [
"Biochemistry stubs",
"Biotechnology stubs",
"Biochemistry"
] |
46,801,915 | https://en.wikipedia.org/wiki/%CE%93-Melanocyte-stimulating%20hormone | γ-Melanocyte-stimulating hormone (γ-MSH) is an endogenous peptide hormone and neuropeptide. It is a melanocortin, specifically, one of the three types of melanocyte-stimulating hormone (MSH), and is produced from proopiomelanocortin (POMC). It is an agonist of the MC1, MC3, MC4, and MC5 receptors. It exists in three fo... | Γ-Melanocyte-stimulating hormone | [
"Chemistry",
"Biology"
] | 260 | [
"Biochemistry stubs",
"Biotechnology stubs",
"Biochemistry"
] |
57,073,704 | https://en.wikipedia.org/wiki/Rhenium%20diselenide | Rhenium diselenide is an inorganic compound with the formula ReSe2. It has a layered structure where atoms are strongly bonded within each layer. The layers are held together by weak Van der Waals bonds, and can be easily peeled off from the bulk material.
Synthesis
Rhenium diselenide with a thickness as small as a t... | Rhenium diselenide | [
"Physics"
] | 277 | [
"Monolayers",
"Atoms",
"Matter"
] |
57,073,854 | https://en.wikipedia.org/wiki/Rhenium%20disulfide | Rhenium disulfide is an inorganic compound of rhenium and sulfur with the formula ReS2. It has a layered structure where atoms are strongly bonded within each layer. The layers are held together by weak Van der Waals bonds, and can be easily peeled off from the bulk material.
Production
ReS2 is found in nature as th... | Rhenium disulfide | [
"Physics"
] | 786 | [
"Monolayers",
"Atoms",
"Matter"
] |
57,074,205 | https://en.wikipedia.org/wiki/SU%282%29%20color%20superconductivity | Several hundred metals, compounds, alloys and ceramics possess the property of superconductivity at low temperatures. The SU(2) color quark matter adjoins the list of superconducting systems. Although it is a mathematical abstraction, its properties are believed to be closely related to the SU(3) color quark matter, wh... | SU(2) color superconductivity | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 782 | [
"Electrical resistance and conductance",
"Physical phenomena",
"Phase transitions",
"Physical quantities",
"Quark matter",
"Superconductivity",
"Phases of matter",
"Materials science",
"Astrophysics",
"Superfluidity",
"Exotic matter",
"Condensed matter physics",
"Nuclear physics",
"Matter"... |
39,438,424 | https://en.wikipedia.org/wiki/Recalescence | Recalescence is an increase in temperature that occurs while cooling metal when a change in structure with an increase in entropy occurs. The heat responsible for the change in temperature is due to the change in entropy. When a structure transformation occurs the Gibbs free energy of both structures are more or less t... | Recalescence | [
"Physics",
"Chemistry",
"Materials_science",
"Mathematics",
"Engineering"
] | 137 | [
"Thermodynamics stubs",
"Chemical process stubs",
"Physical phenomena",
"Phase transitions",
"Thermodynamic properties",
"Physical quantities",
"Materials science stubs",
"Metallurgy",
"Quantity",
"Phases of matter",
"Critical phenomena",
"Materials science",
"Thermodynamics",
"nan",
"St... |
39,444,110 | https://en.wikipedia.org/wiki/Coherent%20effects%20in%20semiconductor%20optics | The interaction of matter with light, i.e., electromagnetic fields, is able to generate a coherent superposition of excited quantum states in the material. Coherent denotes the fact that the material excitations have a well defined phase relation which originates from the phase of the incident electromagnetic wave. Mac... | Coherent effects in semiconductor optics | [
"Chemistry"
] | 3,794 | [
"Semiconductor materials"
] |
32,378,301 | https://en.wikipedia.org/wiki/Inertial%20number | The Inertial number is a dimensionless quantity which quantifies the significance of dynamic effects on the flow of a granular material. It measures the ratio of inertial forces of grains to imposed forces: a small value corresponds to the quasi-static state, while a high value corresponds to the inertial state or eve... | Inertial number | [
"Physics",
"Chemistry"
] | 162 | [
"Particle technology",
"Materials",
"Granularity of materials",
"Matter"
] |
32,383,927 | https://en.wikipedia.org/wiki/Exidia%20recisa | Exidia recisa is a species of fungus in the family Auriculariaceae. In the UK, it has the recommended English name of amber jelly. Basidiocarps (fruit bodies) are gelatinous, orange-brown, and turbinate (top-shaped). It typically grows on dead attached twigs and branches of willow and is found in Europe and possibly el... | Exidia recisa | [
"Biology"
] | 659 | [
"Fungi",
"Fungus species"
] |
32,385,683 | https://en.wikipedia.org/wiki/Rosick%C3%BDite | Rosickyite is a rare native element mineral that is a polymorph of sulfur. It crystallizes in the monoclinic crystal system and is a high temperature, high density polymorph. It occurs as soft, colorless to pale yellow crystals and efflorescences.
It was first described in 1930 for an occurrence in Havirna, near Letov... | Rosickýite | [
"Materials_science",
"Engineering"
] | 179 | [
"Polymorphism (materials science)",
"Materials science"
] |
32,388,475 | https://en.wikipedia.org/wiki/Druggability | Druggability is a term used in drug discovery to describe a biological target (such as a protein) that is known to or is predicted to bind with high affinity to a drug. Furthermore, by definition, the binding of the drug to a druggable target must alter the function of the target with a therapeutic benefit to the pati... | Druggability | [
"Chemistry",
"Biology"
] | 1,162 | [
"Life sciences industry",
"Medicinal chemistry",
"Drug discovery"
] |
36,572,239 | https://en.wikipedia.org/wiki/Methyl%20phenkapton | Methyl phenkapton is an organophosphorus compound. It is highly toxic.
References
Acetylcholinesterase inhibitors
Organophosphate insecticides
Methoxy compounds
Thiophosphoryl compounds
Chloroarenes | Methyl phenkapton | [
"Chemistry"
] | 52 | [
"Functional groups",
"Thiophosphoryl compounds"
] |
36,572,267 | https://en.wikipedia.org/wiki/Methylphosphonyl%20dichloride | Methylphosphonyl dichloride (DC) or dichloro is an organophosphorus compound. It has commercial application in oligonucleotide synthesis, but is most notable as being a precursor to several chemical weapons agents. It is a white crystalline solid that melts slightly above room temperature.
Synthesis and reactions
Meth... | Methylphosphonyl dichloride | [
"Chemistry"
] | 317 | [
"Chlorides",
"Inorganic compounds",
"Salts",
"Organic compounds",
"Organic compounds with 1 carbon atom"
] |
36,575,142 | https://en.wikipedia.org/wiki/Methylmercuric%20dicyanamide | Methylmercuric dicyanamide is a chemical compound used as a fungicide for crops such as cereals, cotton, flax, sorghum, and sugar beets. As of 1998, the U.S. Environmental Protection Agency listed it as an unregistered pesticide in the United States. Although named as a dicyanamide, the major organic structure is a 2-c... | Methylmercuric dicyanamide | [
"Chemistry"
] | 102 | [
"Cyanamides",
"Functional groups"
] |
36,579,651 | https://en.wikipedia.org/wiki/Luteal%20support | Luteal support is the administration of medication, generally progesterone, progestins, hCG or GnRH agonists, to increase the success rate of implantation and early embryogenesis, thereby complementing and/or supporting the function of the corpus luteum. It can be combined with for example in vitro fertilization and ov... | Luteal support | [
"Biology"
] | 724 | [
"Assisted reproductive technology",
"Medical technology"
] |
49,780,148 | https://en.wikipedia.org/wiki/MatC%20family | The Malonate Uptake (MatC) family (TC# 2.A.101) is a constituent of the ion transporter (IT) superfamily. It consists of proteins from Gram-negative and Gram-positive bacteria (e.g., Xanthomonas, Rhizobium and Streptomyces species), simple eukaryotes (e.g., Chlamydomonas reinhardtii) and archaea (e.g., Methanococcus ja... | MatC family | [
"Physics",
"Chemistry",
"Biology"
] | 327 | [
"Pumps",
"Turbomachinery",
"Protein classification",
"Physical systems",
"Hydraulics",
"Membrane proteins",
"Protein families"
] |
49,780,486 | https://en.wikipedia.org/wiki/Magnetochromism | Magnetochromism is the term applied when a chemical compound changes colour under the influence of a magnetic field. In particular the magneto-optical effects exhibited by complex mixed metal compounds are called magnetochromic when they occur in the visible region of the spectrum. Examples include K2V3O8, lithium moly... | Magnetochromism | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 249 | [
"Spectrum (physical sciences)",
"Chromism",
"Materials science",
"Smart materials",
"Spectroscopy"
] |
42,201,889 | https://en.wikipedia.org/wiki/Graft%20polymer | In polymer chemistry, graft polymers are segmented copolymers with a linear backbone of one composite and randomly distributed branches of another composite. The picture labeled "graft polymer" shows how grafted chains of species B are covalently bonded to polymer species A. Although the side chains are structurally di... | Graft polymer | [
"Chemistry",
"Materials_science"
] | 1,771 | [
"Polymers",
"Polymer chemistry"
] |
42,203,738 | https://en.wikipedia.org/wiki/Wind-assisted%20propulsion | Wind-assisted propulsion is the practice of decreasing the fuel consumption of a merchant vessel through the use of sails or some other wind capture device. Sails used to be the primary means of propelling ships, but with the advent of the steam engine and the diesel engine, sails came to be used for recreational sail... | Wind-assisted propulsion | [
"Engineering"
] | 1,188 | [
"Marine propulsion",
"Marine engineering"
] |
42,204,798 | https://en.wikipedia.org/wiki/Tribonucleation | Tribonucleation is a mechanism that creates small gas bubbles by the action of making and breaking contact between solid surfaces immersed in a liquid containing dissolved gas. These small bubbles may then act as nuclei for the growth of bubbles when the pressure is reduced. As the formation of the nuclei occurs quite ... | Tribonucleation | [
"Engineering"
] | 151 | [
"Mechanical engineering",
"Mechanisms (engineering)"
] |
42,206,064 | https://en.wikipedia.org/wiki/Raffaello%20D%27Andrea | Raffaello D’Andrea (born August 13, 1967, in Pordenone, Italy) is a Canadian-Italian-Swiss engineer, artist, and entrepreneur. He is professor of dynamic systems and control at ETH Zurich. He is a co-founder of Kiva Systems (now operating as Amazon Robotics), and the founder of Verity, an innovator in autonomous drones... | Raffaello D'Andrea | [
"Engineering"
] | 1,328 | [
"Electronics engineers",
"Electronic engineering"
] |
42,210,520 | https://en.wikipedia.org/wiki/Chlorophyllum%20hortense | Chlorophyllum hortense is a species of agaric fungus in the family Agaricaceae.
Taxonomy
It was first described in 1914 by the American mycologist William Murrill who classified it as Lepiota hortensis.
In 1983 it was reclassified as Leucoagaricus hortensis by the British mycologist David Pegler.
In 2002 it was rec... | Chlorophyllum hortense | [
"Biology"
] | 380 | [
"Fungi",
"Fungus species"
] |
33,964,670 | https://en.wikipedia.org/wiki/Acoustic%20lobing | Acoustic lobing refers to the radiation pattern of a combination of two or more loudspeaker drivers at a certain frequency, as seen looking at the speaker from its side. In most multi-way speakers, it is at the crossover frequency that the effects of lobing are of greatest concern, since this determines how well the sp... | Acoustic lobing | [
"Physics"
] | 938 | [
"Classical mechanics",
"Acoustics"
] |
33,966,160 | https://en.wikipedia.org/wiki/Micromixing | In pharmaceutics, micromixing is a process in which ingredient particles rearrange to form a blend. Development of pharmaceutical formulations requires understanding how the ingredients blend with each other and how the blending progresses through different stages. It is also important to establish in a scientific ma... | Micromixing | [
"Chemistry"
] | 432 | [
"Pharmacology",
"Pharmacy"
] |
33,973,912 | https://en.wikipedia.org/wiki/Koenigs%20function | In mathematics, the Koenigs function is a function arising in complex analysis and dynamical systems. Introduced in 1884 by the French mathematician Gabriel Koenigs, it gives a canonical representation as dilations of a univalent holomorphic mapping, or a semigroup of mappings, of the unit disk in the complex numbers i... | Koenigs function | [
"Physics",
"Mathematics"
] | 764 | [
"Functions and mappings",
"Mathematical objects",
"Mechanics",
"Mathematical relations",
"Types of functions",
"Dynamical systems"
] |
33,974,223 | https://en.wikipedia.org/wiki/Homotopy%20type%20theory | In mathematical logic and computer science, homotopy type theory (HoTT) refers to various lines of development of intuitionistic type theory, based on the interpretation of types as objects to which the intuition of (abstract) homotopy theory applies.
This includes, among other lines of work, the construction of h... | Homotopy type theory | [
"Mathematics",
"Engineering"
] | 4,237 | [
"Mathematical structures",
"Foundations of mathematics",
"Mathematical logic",
"Mathematical objects",
"Type theory",
"Software engineering",
"Formal methods"
] |
33,975,776 | https://en.wikipedia.org/wiki/Buchner%20ring%20expansion | The Buchner ring expansion is a two-step organic C-C bond forming reaction used to access 7-membered rings. The first step involves formation of a carbene from ethyl diazoacetate, which cyclopropanates an aromatic ring. The ring expansion occurs in the second step, with an electrocyclic reaction opening the cyclopropan... | Buchner ring expansion | [
"Chemistry"
] | 1,706 | [
"Ring expansion reactions",
"Carbon-carbon bond forming reactions",
"Organic reactions",
"Name reactions",
"Rearrangement reactions"
] |
48,494,934 | https://en.wikipedia.org/wiki/Supra-arcade%20downflows | Supra-arcade downflows (SADs) are sunward-traveling plasma voids that are sometimes observed in the Sun's outer atmosphere, or corona, during solar flares. In solar physics, refers to a bundle of coronal loops, and the prefix indicates that the downflows appear above flare arcades. They were first described in 1999 u... | Supra-arcade downflows | [
"Physics",
"Chemistry",
"Astronomy"
] | 1,239 | [
"Physical phenomena",
"Outer space",
"Magnetohydrodynamics",
"Astrophysics",
"Space physics",
"Solar phenomena",
"Stellar phenomena",
"Astronomical sub-disciplines",
"Fluid dynamics"
] |
48,496,573 | https://en.wikipedia.org/wiki/Bhargava%20factorial | In mathematics, Bhargava's factorial function, or simply Bhargava factorial, is a certain generalization of the factorial function developed by the Fields Medal winning mathematician Manjul Bhargava as part of his thesis in Harvard University in 1996. The Bhargava factorial has the property that many number-theoretic ... | Bhargava factorial | [
"Mathematics"
] | 2,128 | [
"Discrete mathematics",
"Factorial and binomial topics",
"Combinatorics"
] |
48,497,362 | https://en.wikipedia.org/wiki/Gorenstein%20scheme | In algebraic geometry, a Gorenstein scheme is a locally Noetherian scheme whose local rings are all Gorenstein. The canonical line bundle is defined for any Gorenstein scheme over a field, and its properties are much the same as in the special case of smooth schemes.
Related properties
For a Gorenstein scheme X of fi... | Gorenstein scheme | [
"Mathematics"
] | 738 | [
"Fields of abstract algebra",
"Algebraic geometry"
] |
48,497,658 | https://en.wikipedia.org/wiki/Geophysical%20signal%20analysis | Geophysical signal analysis is concerned with the detection and a subsequent processing of signals. Any signal which is varying conveys valuable information. Hence to understand the information embedded in such signals, we need to 'detect' and 'extract data' from such quantities. Geophysical signals are of extreme impo... | Geophysical signal analysis | [
"Physics"
] | 2,314 | [
"Applied and interdisciplinary physics",
"Geophysics"
] |
48,500,538 | https://en.wikipedia.org/wiki/Besov%20measure | In mathematics — specifically, in the fields of probability theory and inverse problems — Besov measures and associated Besov-distributed random variables are generalisations of the notions of Gaussian measures and random variables, Laplace distributions, and other classical distributions. They are particularly useful... | Besov measure | [
"Physics",
"Mathematics"
] | 597 | [
"Physical quantities",
"Measures (measure theory)",
"Applied mathematics",
"Quantity",
"Size",
"Inverse problems"
] |
48,502,346 | https://en.wikipedia.org/wiki/MDGRAPE-4 | MDGRAPE-4 is a supercomputer under development at the RIKEN Quantitative Biology Center (QBiC) in Suita, Osaka, Japan.
See also
RIKEN MDGRAPE-3
References
Riken
Supercomputers
Supercomputing in Japan
molecular dynamics | MDGRAPE-4 | [
"Physics",
"Chemistry",
"Technology"
] | 58 | [
"Supercomputers",
"Molecular physics",
"Supercomputing",
"Computer book stubs",
"Computational physics",
"Molecular dynamics",
"Computational chemistry",
"Computing stubs"
] |
48,503,281 | https://en.wikipedia.org/wiki/Ultrasound%20computer%20tomography | Ultrasound computer tomography (USCT), sometimes also Ultrasound computed tomography, Ultrasound computerized tomography or just Ultrasound tomography, is a form of medical ultrasound tomography utilizing ultrasound waves as physical phenomenon for imaging. It is mostly in use for soft tissue medical imaging, especiall... | Ultrasound computer tomography | [
"Physics",
"Biology"
] | 1,078 | [
"Medical equipment",
"Classical mechanics",
"Acoustics",
"Medical technology"
] |
48,503,953 | https://en.wikipedia.org/wiki/Sperm%20thermotaxis | Sperm thermotaxis is a form of sperm guidance, in which sperm cells (spermatozoa) actively change their swimming direction according to a temperature gradient, swimming up the gradient. Thus far this process has been discovered in mammals only.
Background
The discovery of mammalian sperm chemotaxis and the realization... | Sperm thermotaxis | [
"Biology"
] | 1,306 | [
"Cell biology"
] |
48,505,403 | https://en.wikipedia.org/wiki/LADOL | Lagos Deep Offshore Logistics Base (LADOL), officially LADOL Free Zone, also known as LADOL Base or the initials LFZ, is an industrial Free Zone privately owned logistics and engineering facility located on an island in the Port of Apapa, Lagos, Nigeria.
LADOL was designed to provide logistics, engineering and other s... | LADOL | [
"Engineering"
] | 430 | [
"Construction",
"Offshore engineering"
] |
48,505,670 | https://en.wikipedia.org/wiki/Macintyre%27s%20X-Ray%20Film | Macintyre's X-Ray Film is an 1896 documentary radiography film directed by Scottish medical doctor John Macintyre.
The film shows X-ray images of a frog's knee joint and an X-ray radiograph of an adult's heart and digestive tract (using bismuth as contrast). Each image was captured in 1/300th of a second.
Text from ... | Macintyre's X-Ray Film | [
"Physics"
] | 282 | [
"X-rays",
"Spectrum (physical sciences)",
"Electromagnetic spectrum"
] |
45,473,832 | https://en.wikipedia.org/wiki/Beyond%20CMOS | Beyond CMOS refers to the possible future digital logic technologies beyond the scaling limits of CMOS technology. which limits device density and speeds due to heating effects.
Beyond CMOS is the name of one of the 7 focus groups in ITRS 2.0 (2013) and in its successor, the International Roadmap for Devices and Syste... | Beyond CMOS | [
"Technology",
"Engineering"
] | 1,104 | [
"Computer engineering",
"Digital electronics",
"Electronic design",
"Electronic engineering",
"Design",
"Integrated circuits"
] |
45,478,390 | https://en.wikipedia.org/wiki/Junctionless%20nanowire%20transistor | Junction-Less nanowire transistor (JLNT) is a type of Field-effect transistor (FET) in which the channel consists of one or more nanowires and does not contain a junction.
Existing devices
Multiple JLNT devices were manufactured in various labs:
Tyndall National Institute in Ireland
JLT is a nanowire-based transistor... | Junctionless nanowire transistor | [
"Materials_science"
] | 431 | [
"Nanotechnology",
"Nanoelectronics"
] |
40,774,061 | https://en.wikipedia.org/wiki/NGC%204527 | NGC 4527 is a spiral galaxy in the constellation Virgo. It was discovered by German-British astronomer William Herschel on 23 February 1784.
NGC 4527 is a member of the M61 Group of galaxies, which is a member of the Virgo II Groups, a series of galaxies and galaxy clusters strung out from the southern edge of the Vir... | NGC 4527 | [
"Astronomy"
] | 338 | [
"Virgo (constellation)",
"Constellations"
] |
40,774,899 | https://en.wikipedia.org/wiki/Homotopy%20colimit%20and%20limit | In mathematics, especially in algebraic topology, the homotopy limit and colimitpg 52 are variants of the notions of limit and colimit extended to the homotopy category . The main idea is this: if we have a diagramconsidered as an object in the homotopy category of diagrams , (where the homotopy equivalence of diagrams... | Homotopy colimit and limit | [
"Mathematics"
] | 1,669 | [
"Functions and mappings",
"Mathematical structures",
"Mathematical objects",
"Fields of abstract algebra",
"Mathematical relations",
"Category theory"
] |
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