source
stringlengths
1
149
text
stringlengths
18
204k
Minifloat
In computing, minifloats are floating-point values represented with very few bits. Predictably, they are not well suited for general-purpose numerical calculations. They are used for special purposes, most often in computer graphics, where iterations are small and precision has aesthetic effects. Machine learning also ...
Nowhere continuous function
In mathematics, a nowhere continuous function, also called an everywhere discontinuous function, is a function that is not continuous at any point of its domain. If f is a function from real numbers to real numbers, then f is nowhere continuous if for each point x there is some ε>0 such that for every δ>0, we can ...
Sheep milk
Sheep's milk (or ewes' milk) is the milk of domestic sheep. It is commonly used to make cultured dairy products such as cheese. Some of the most popular sheep cheeses include feta (Greece), ricotta (Italy), and Roquefort (France).
AM-4030
AM-4030 is an analgesic drug which is a cannabinoid receptor agonist. It is a derivative of HU-210 which has been substituted with a 6β-((E)-3-hydroxyprop-1-enyl) group. This adds a "southern" aliphatic hydroxyl group to the molecule as seen in the CP-series of nonclassical cannabinoid drugs, and so AM-4030 represents ...
PODXL2
Podocalyxin like 2 is a protein that in humans is encoded by the PODXL2 gene.
Snatch (weightlifting)
The snatch is the first of two lifts contested in the sport of weightlifting (also known as Olympic weightlifting) followed by the clean and jerk. The objective of the snatch is to lift the barbell from the ground to overhead in one continuous motion. There are four main styles of snatch used: snatch (or full snatch), ...
Abstract-Type and Scheme-Definition Language
Abstract-Type and Scheme-Definition Language (ASDL) is a computer language developed as part of ESPRIT project GRASPIN, as a basis for generating language-based editors and environments. It combines an object-oriented type system, syntax-directed translation schemes and a target-language interface.
Residue (chemistry)
In chemistry, residue is whatever remains or acts as a contaminant after a given class of events. Residue may be the material remaining after a process of preparation, separation, or purification, such as distillation, evaporation, or filtration. It may also denote the undesired by-products of a chemical reaction.
Luggage carrier
A luggage carrier, also commonly called a (bicycle) rack, is a device attached to a bicycle to which cargo or panniers can be attached. This is popular with utility bicycles and touring bicycles. Bicycle luggage carriers may be mounted on the front or rear of a bicycle. The rear mount is more common. Racks on the front...
Anovulation
Anovulation is when the ovaries do not release an oocyte during a menstrual cycle. Therefore, ovulation does not take place. However, a woman who does not ovulate at each menstrual cycle is not necessarily going through menopause. Chronic anovulation is a common cause of infertility. In addition to the alteration of me...
Toileting
In health care, toileting is the act of assisting a dependent patient with his/her elimination needs.
Steel guitar
A steel guitar (Hawaiian: kīkākila) is any guitar played while moving a steel bar or similar hard object against plucked strings. The bar itself is called a "steel" and is the source of the name "steel guitar". The instrument differs from a conventional guitar in that it is played without using frets; conceptually, it ...
Nuclear RNase P
In molecular biology, nuclear ribonuclease P (RNase P) is a ubiquitous endoribonuclease, found in archaea, bacteria and eukarya as well as chloroplasts and mitochondria. Its best characterised enzyme activity is the generation of mature 5′-ends of tRNAs by cleaving the 5′-leader elements of precursor-tRNAs. Cellular RN...
RAB5A
Ras-related protein Rab-5A is a protein that in humans is encoded by the RAB5A gene.
Marconi's law
Marconi's law is the relation between length of antennas and maximum signaling distance of radio transmissions. Guglielmo Marconi enunciated at one time an empirical law that, for simple vertical sending and receiving antennas of equal height, the maximum working telegraphic distance varied as the square of the height ...
Williston Formation
The Williston Formation is a geologic formation in Florida. It preserves fossils dating back to the Paleogene period.
Scalable Network Application Package
Scalable Network Application Package (SNAP) or SNAP Mobile is an online gaming platform from Nokia. It is intended for use for Java multiplayer online games. It consists of SNAP Mobile API for the client and it uses HTTP or TCP to connect to the SNAP Mobile gateway. This gaming platform was the old Sega Network Applica...
Deepdene (diamond)
The Deepdene is a 104.52 carats (20.904 g) yellow diamond widely considered to be the largest irradiated diamond in the world.
Anything In Anything
Anything In Anything (AYIYA) is a computer networking protocol for managing IP tunneling protocols in use between separated Internet Protocol networks. It is most often used to provide IPv6 transit over an IPv4 network link when network address translation masquerades a private network with a single IP address that may...
Dynamic causal modeling
Dynamic causal modeling (DCM) is a framework for specifying models, fitting them to data and comparing their evidence using Bayesian model comparison. It uses nonlinear state-space models in continuous time, specified using stochastic or ordinary differential equations. DCM was initially developed for testing hypothese...
Pleomorphic lipoma
Pleomorphic lipomas, like spindle-cell lipomas, occur for the most part on the backs and necks of elderly men, and are characterized by floret giant cells with overlapping nuclei.: 625
SVM
Alliance of Vojvodina Hungarians (Savez vojvođanskih Mađara), a political party in Serbia Sanjay Vichar Manch, a political party in India
Thapsigargin
Thapsigargin is a non-competitive inhibitor of the sarco/endoplasmic reticulum Ca2+ ATPase (SERCA). Structurally, thapsigargin is classified as a guaianolide, and is extracted from a plant, Thapsia garganica. It is a tumor promoter in mammalian cells.Thapsigargin raises cytosolic (intracellular) calcium concentration b...
Fibre Channel time-out values
The FC-PH standard defines three time-out values used for error detection and recovery in Fibre Channel protocol. E_D_TOV stands for Error Detect TimeOut Value. This is the basic error timeout used for all Fibre Channel error detection. Its default value is 2 seconds. R_A_TOV stands for Resource Allocation TimeOut Valu...
Science fiction convention
A science fiction convention is a gathering of fans of science fiction. Historically, science fiction conventions had focused primarily on literature, but the purview of many extends to such other avenues of expression as films, television, comics, animation, and games. The format can vary but will tend to have a few s...
Avocado sauce
Avocado sauce is a sauce prepared using avocado as a primary ingredient. Commercial sauces are typically prepared to have a thin, sauce-like consistency that is pourable. Commercial preparation involves mixing the avocado using high-speed blenders, which breaks up the pulp. Spices, water and emulsifiers are added, and ...
FLOW (programming language)
FLOW is an educational programming language designed by Jef Raskin in 1970 and implemented on several minicomputers in the early 1970s. The goal of the language is to make it easy to explore algorithms through a highly interactive environment. The overall language is very similar in syntax and structure to the BASIC pr...
Presburger Award
The Presburger Award, started in 2010, is awarded each year by the European Association for Theoretical Computer Science (EATCS) to "a young scientist for outstanding contributions in theoretical computer science, documented by a published paper or a series of published papers." The award is named after Mojżesz Presbur...
Picibanil
Picibanil also called OK - 432, is a mixture of group A streptococcus with anti-neoplastic properties used in treatment of cystic hygroma (lymphangiomas).
Psoralidin
Psoralidin is a natural phenolic compound found in the seeds of Psoralea corylifolia.
Necrotizing bronchiolitis
Necrotizing bronchiolitis is an acute inflammatory lesion of the lower airway, a potential complication of mechanical ventilation.
International Conference on X-Ray Microscopy
The International Conference on X-Ray Microscopy (XRM) is a biennial international conference on X-ray imaging. The scope includes a range of topics in X-ray imaging, both in the soft and hard X-ray spectrum. Imaging by synchrotron light sources is the dominant topic, but small scale laboratory imaging is also included...
C11orf49
C11orf49 is a protein coding gene that in humans encodes for the C11orf49 protein. It is heavily expressed in brain tissue and peripheral blood mononuclear cells, with the latter being an important component of the immune system. It is predicted that the C11orf49 protein acts as a kinase, and has been shown to interact...
Orogeny
Orogeny is a mountain building process that takes place at a convergent plate margin when plate motion compresses the margin. An orogenic belt or orogen develops as the compressed plate crumples and is uplifted to form one or more mountain ranges. This involves a series of geological processes collectively called oroge...
Goods shed
A goods shed is a railway building designed for storing goods before, after, and during loading to and unloading from a train. A typical goods shed will have a track running through it to allow goods wagons to be unloaded under cover, although sometimes they were built alongside a track with possibly just a canopy over...
Nachbin's theorem
In mathematics, in the area of complex analysis, Nachbin's theorem (named after Leopoldo Nachbin) is commonly used to establish a bound on the growth rates for an analytic function. This article provides a brief review of growth rates, including the idea of a function of exponential type. Classification of growth rates...
Fourth wall
The fourth wall is a performance convention in which an invisible, imaginary wall separates actors from the audience. While the audience can see through this "wall", the convention assumes the actors act as if they cannot. From the 16th century onward, the rise of illusionism in staging practices, which culminated in t...
Social advertising (social relationships)
Social advertising is advertising that relies on social information or networks in generating, targeting, and delivering marketing communications. Many current examples of social advertising use a particular Internet service to collect social information, establish and maintain relationships with consumers, and for del...
Dacemazine
Dacemazine (INN, also known as Ahistan and Histantine) is a phenothiazine derivative which acts as a histamine antagonist at the H1 subtype. First described in 1951, it was never marketed as a drug on its own, although a combination of dacemazine and di-tert-butylnaphthalenesulfonate was sold as an antispasmodic and an...
Broadbent inverted sign
The Broadbent inverted sign is a clinical sign in which pulsation is seen on the postero-lateral wall of the left side of the chest in time with cardiac systole. This was originally thought to be due to an aneurysm of the left atrium, but is now known to be more commonly associated with left ventricular hypertrophy. Th...
Wordtrans
Wordtrans is an application to look up words in dictionaries. It is available under the GNU General Public License. It is written by Ricardo Villalba. It supports dictionaries in plain text, DICT dictionaries and dictionaries from Babylon Translator.
Octagon
In geometry, an octagon (from the Greek ὀκτάγωνον oktágōnon, "eight angles") is an eight-sided polygon or 8-gon.
Non-invasive measurement of intracranial pressure
Increased intracranial pressure (ICP) is one of the major causes of secondary brain ischemia that accompanies a variety of pathological conditions, most notably traumatic brain injury (TBI), strokes, and intracranial hemorrhages. It can cause complications such as vision impairment due to intracranial pressure (VIIP), ...
Minimum mass
In astronomy, minimum mass is the lower-bound calculated mass of observed objects such as planets, stars and binary systems, nebulae, and black holes.
Dual fluid reactor
The Dual Fluid Reactor (DFR) is a reactor concept of the Canadian company Dual Fluid Energy Inc. combining the advantages of the molten salt reactor with those of the liquid metal cooled reactor, it is supposed to reach the criteria for reactors of the Generation IV International Forum. The fuel can be a molten solutio...
Symmetry of second derivatives
In mathematics, the symmetry of second derivatives (also called the equality of mixed partials) refers to the possibility of interchanging the order of taking partial derivatives of a function f(x1,x2,…,xn) of n variables without changing the result under certain conditions (see below). The symmetry is the assertion th...
Dennard scaling
In semiconductor electronics, Dennard scaling, also known as MOSFET scaling, is a scaling law which states roughly that, as transistors get smaller, their power density stays constant, so that the power use stays in proportion with area; both voltage and current scale (downward) with length. The law, originally formula...
Faux painting
Faux painting or faux finishing are terms used to describe decorative paint finishes that replicate the appearance of materials such as marble, wood or stone. The term comes from the French word faux, meaning false, as these techniques started as a form of replicating materials such as marble and wood with paint, but h...
Meatball sandwich
The meatball sandwich is a common sandwich that is a part of several cuisines, including Italian-American cuisine and American cuisine.
MEK inhibitor
A MEK inhibitor is a chemical or drug that inhibits the mitogen-activated protein kinase kinase enzymes MEK1 and/or MEK2. They can be used to affect the MAPK/ERK pathway which is often overactive in some cancers. (See MAPK/ERK pathway#Clinical significance.) Hence MEK inhibitors have potential for treatment of some can...
SCinet
SCinet is the high-performance network built annually by volunteers in support of SC (formerly Supercomputing, the International Conference for High Performance Computing, Networking, Storage and Analysis). SCinet is the primary network for the yearly conference and is used by attendees and exhibitors to demonstrate an...
Calponin 2
Calponin 2 is a protein that in humans is encoded by the CNN2 gene.
Descartes snark
In the mathematical field of graph theory, a Descartes snark is an undirected graph with 210 vertices and 315 edges. It is a snark, first discovered by William Tutte in 1948 under the pseudonym Blanche Descartes.A Descartes snark is obtained from the Petersen graph by replacing each vertex with a nonagon and each edge ...
Transcendental arguments
A transcendental argument is a deductive philosophical argument which takes a manifest feature of experience as granted, and articulates what must be the case so that such experiences are possible. Transcendental arguments may have additional standards of justification that are more demanding than those of traditional ...
Leaky bucket
The leaky bucket is an algorithm based on an analogy of how a bucket with a constant leak will overflow if either the average rate at which water is poured in exceeds the rate at which the bucket leaks or if more water than the capacity of the bucket is poured in all at once. It can be used to determine whether some se...
LON-CAPA
LON-CAPA (Learning Online Network with Computer-Assisted Personalized Approach) is an e-learning platform, also known as a Course Management System (CMS) or Learning Management System (LMS). It possesses the standard features of many learning platforms (user roles, calendar, e-mail, chat rooms, blogs, resource construc...
Steroid 17alpha-monooxygenase
In enzymology, a steroid 17alpha-monooxygenase (EC 1.14.99.9) is an enzyme that catalyzes the chemical reaction a steroid + AH2 + O2 ⇌ a 17alpha-hydroxysteroid + A + H2OThe 3 substrates of this enzyme are steroid, an electron acceptor AH2, and O2, whereas its 3 products are 17alpha-hydroxysteroid, the reduction produc...
Quilts of the Underground Railroad
Quilts of the Underground Railroad describes a controversial belief that quilts were used to communicate information to African slaves about how to escape to freedom via the Underground Railroad. It has been disputed by a number of historians.
Isochronous timing
A sequence of events is isochronous if the events occur regularly, or at equal time intervals. The term isochronous is used in several technical contexts, but usually refers to the primary subject maintaining a constant period or interval (the reciprocal of frequency), despite variations in other measurable factors in ...
Malate dehydrogenase (quinone)
In enzymology, a malate dehydrogenase (quinone) (EC 1.1.5.4), formerly malate dehydrogenase (acceptor) (EC 1.1.99.16), is an enzyme that catalyzes the chemical reaction (S)-malate + a quinone ⇌ oxaloacetate + reduced quinoneThus, the two substrates of this enzyme are (S)-malate and a quinone, whereas its two products ...
AppSheet
AppSheet is an application that provides a no-code development platform for application software, which allows users to create mobile, tablet, and web applications using data sources like Google Drive, DropBox, Office 365, and other cloud-based spreadsheet and database platforms. The platform can be utilized for a broa...
Milestone (project management)
Milestones are tools used in project management to mark specific points along a project timeline. These points may signal anchors such as a project start and end date, or a need for external review or input and budget checks. Some contracts for products include a "milestone fee" that may be paid out when certain points...
Silverman–Toeplitz theorem
In mathematics, the Silverman–Toeplitz theorem, first proved by Otto Toeplitz, is a result in summability theory characterizing matrix summability methods that are regular. A regular matrix summability method is a matrix transformation of a convergent sequence which preserves the limit.An infinite matrix (ai,j)i,j∈N w...
Osumilite
Osumilite is a very rare potassium-sodium-iron-magnesium-aluminium silicate mineral. Osumilite is part of the milarite group (also known as the milarite-osumilite group) of cyclosilicates.
Padovan cuboid spiral
In mathematics the Padovan cuboid spiral is the spiral created by joining the diagonals of faces of successive cuboids added to a unit cube. The cuboids are added sequentially so that the resulting cuboid has dimensions that are successive Padovan numbers.The first cuboid is 1x1x1. The second is formed by adding to thi...
Cant deficiency
In railway engineering, cant deficiency is defined in the context of travel of a rail vehicle at constant speed on a constant-radius curve. Cant itself refers to the superelevation of the curve, that is, the difference between the elevations of the outside and inside rails. Cant deficiency is present when a rail vehicl...
Dextranase
Dextranase (EC 3.2.1.11, dextran hydrolase, endodextranase, dextranase DL 2, DL 2, endo-dextranase, α-D-1,6-glucan-6-glucanohydrolase, 1,6-α-D-glucan 6-glucanohydrolase) is an enzyme with systematic name 6-α-D-glucan 6-glucanohydrolase. It catalyses the following chemical reaction Endohydrolysis of (1→6)-α-D-glucosidic...
Military simulation
Military simulations, also known informally as war games, are simulations in which theories of warfare can be tested and refined without the need for actual hostilities. Military simulations are seen as a useful way to develop tactical, strategical and doctrinal solutions, but critics argue that the conclusions drawn f...
Embelin
Embelin (2,5-dihydroxy-3-undecyl-1,4-benzoquinone) is a naturally occurring para-benzoquinone isolated from dried berries of Embelia ribes plants. Embelin has a wide spectrum of biological activities, including antioxidant, antitumor, anti-inflammatory, analgesic, anthelmintic, antifertility and antimicrobial. Several ...
MdN Interactive
MdN (Macintosh designers Network) is a general information magazine for graphics and design. Despite its name, the magazine's emphasis is primarily on design and secondarily about Macintosh computing. Founded in 1989 by Yuichi Inomata, the magazine was based on a Macintosh DTP support organisation. MdN also publishes o...
Acid mantle
The acid mantle is a very fine, slightly acidic film on the surface of human skin acting as a barrier to bacteria, viruses and other potential contaminants that might penetrate the skin. Sebum is secreted by the sebaceous gland and when mixed with sweat becomes the acid mantle. Unlike the acid mantle on the skin’s surf...
Fire support coordination element
A fire support coordination element (FSCE) is a term used in the US Army to identify an element of military formation or unit organisation in which functions are directly related to positioning weapons and delivering their fire onto targets. The term is most often associated with artillery, but is sometimes used for mo...
Intermingling
Intermingling, or heterophily, from a sociological perspective includes the various forms of interactions between individuals that go against a particular society's cultural norms. These relationships stem from weak or absent ties, which are contrary to strong ties and constitute of networks between individuals who kno...
Frontotemporal dementia
Frontotemporal dementia (FTD), or frontotemporal degeneration disease, or frontotemporal neurocognitive disorder, encompasses several types of dementia involving the progressive degeneration of frontal and temporal lobes. FTDs broadly present as behavioral or language disorders with gradual onsets. Common signs and sym...
Alcohol and cancer
Alcohol causes cancers of the oesophagus, liver, breast, colon, oral cavity, rectum, pharynx, and larynx, and probably causes cancers of the pancreas. Consumption of alcohol in any quantity can cause cancer. The more alcohol is consumed, the higher the cancer risk, and no amount can be considered safe. Alcoholic bevera...
Unna's boot
An Unna’s boot (also Unna boot) is a special gauze (usually 4 inches wide and 10 yards long) bandage, which can be used for the treatment of venous stasis ulcers and other venous insufficiencies of the leg. It can also be used as a supportive bandage for sprains and strains of the foot, ankle and lower leg. The gauze i...
Stellacyanin
Stellacyanin is a member of the blue or type I copper protein family. This family of copper proteins is generally involved in electron transfer reactions with the Cu center transitioning between the oxidized Cu(II) form and the reduced Cu(I) form. Stellacyanin is ubiquitous among vascular seed plants.
Associative substitution
Associative substitution describes a pathway by which compounds interchange ligands. The terminology is typically applied to organometallic and coordination complexes, but resembles the Sn2 mechanism in organic chemistry. The opposite pathway is dissociative substitution, being analogous to the Sn1 pathway. Intermediat...
Rosoxacin
Rosoxacin (also known as acrosoxacin, tradename Eradacil) is a quinolone antibiotic indicated for the treatment of urinary tract infections and certain sexually transmitted diseases. Rosoxacin is not available in the United States. It was developed in 1978 by George Lesher and his colleagues at Winthrop-Stearns (now pa...
Propioin synthase
The enzyme propioin synthase (EC 4.1.2.35) catalyzes the chemical reaction 4-hydroxy-3-hexanone ⇌ 2 propanalThis enzyme belongs to the family of lyases, specifically the aldehyde-lyases, which cleave carbon-carbon bonds. The systematic name of this enzyme class is 4-hydroxy-3-hexanone propanal-lyase (propanal-forming)...
Mass flow sensor
A mass (air) flow sensor (MAF) is a sensor used to determine the mass flow rate of air entering a fuel-injected internal combustion engine.
Fourier–Deligne transform
In algebraic geometry, the Fourier–Deligne transform, or ℓ-adic Fourier transform, or geometric Fourier transform, is an operation on objects of the derived category of ℓ-adic sheaves over the affine line. It was introduced by Pierre Deligne on November 29, 1976 in a letter to David Kazhdan as an analogue of the usual ...
GIPSICAM
GIPSICAM (Global-Inertial Positioning Systems Image Capture for Asset Management) is a mobile-mapping system used internally by the Roads & Maritime Services to survey New South Wales state roads. The main components of the system include multiple redundant GPS receivers, INS (a part of the GIPSITRAC module), data acqu...
Multiplicative distance
In algebraic geometry, μ is said to be a multiplicative distance function over a field if it satisfies 1. AB is congruent to A'B' iff μ(AB)=μ(A′B′). AB < A'B' iff μ(AB)<μ(A′B′). μ(AB+CD)=μ(AB)μ(CD).
Autotransplantation
Autotransplantation is the transplantation of organs, tissues, or even particular proteins from one part of the body to another in the same person (auto- meaning "self" in Greek). The autologous tissue (also called autogenous, autogeneic, or autogenic tissue) transplanted by such a procedure is called an autograft or a...
Cantor's intersection theorem
Cantor's intersection theorem refers to two closely related theorems in general topology and real analysis, named after Georg Cantor, about intersections of decreasing nested sequences of non-empty compact sets.
Stump-jump plough
The stump-jump plough, also known as stump-jumping plough, is a kind of plough invented in South Australia in the late 19th century by Richard Bowyer Smith and Clarence Herbert Smith to solve the particular problem of preparing mallee lands for cultivation.
Steam to oil ratio
The steam to oil ratio is a measure of the water and energy consumption related to oil production in cyclic steam stimulation and steam assisted gravity drainage oil production. SOR is the ratio of unit of steam required to produce unit of Oil. The typical values are three to eight and two to five respectively. This me...
Self-envy
Self-envy is a psychoanalytic concept developed by Rafael López-Corvo who argues that it is crucial for the understanding of disorders of the self that are manifested in addictions, acting out, and inhibition of creativity. This concept is based on the use of object relations theory, that many psychoanalysts view as a ...
Chondroblast
Chondroblasts, or perichondrial cells, is the name given to mesenchymal progenitor cells in situ which, from endochondral ossification, will form chondrocytes in the growing cartilage matrix. Another name for them is subchondral cortico-spongious progenitors. They have euchromatic nuclei and stain by basic dyes.
Well equidistributed long-period linear
The Well Equidistributed Long-period Linear (WELL) is a family of pseudorandom number generators developed in 2006 by François Panneton, Pierre L'Ecuyer, and Makoto Matsumoto (松本 眞). It is a form of linear-feedback shift register optimized for software implementation on a 32-bit machine.
Calorimetry
In chemistry and thermodynamics, calorimetry (from Latin calor 'heat', and Greek μέτρον (metron) 'measure') is the science or act of measuring changes in state variables of a body for the purpose of deriving the heat transfer associated with changes of its state due, for example, to chemical reactions, physical changes...
Ns (simulator)
ns (from network simulator) is a name for a series of discrete event network simulators, specifically ns-1, ns-2, and ns-3. All are discrete-event computer network simulators, primarily used in research and teaching.
Boundary parallel
In mathematics, a closed n-manifold N embedded in an (n + 1)-manifold M is boundary parallel (or ∂-parallel, or peripheral) if there is an isotopy of N onto a boundary component of M.
Dehalogenation
In organic chemistry, dehalogenation is a set of chemical reactions that involve the cleavage of carbon-halogen bonds; as such, it is the inverse reaction of halogenation. Dehalogenations come in many varieties, including defluorination (removal of fluorine), dechlorination (removal of chlorine), debromination (removal...
Deiters cells
Deiters' cells, also known as outer phalangeal cells or cells of Deiters (English: ), are a cell type found within the inner ear. They contain both micro-filaments and micro-tubules which run from the basilar membrane to the reticular membrane of the inner ear.These cochlear supporting cells include a somatic part, wit...
Rotating reference frame
A rotating frame of reference is a special case of a non-inertial reference frame that is rotating relative to an inertial reference frame. An everyday example of a rotating reference frame is the surface of the Earth. (This article considers only frames rotating about a fixed axis. For more general rotations, see Eule...
AP Chemistry
Advanced Placement (AP) Chemistry (also known as AP Chem) is a course and examination offered by the College Board as a part of the Advanced Placement Program to give American and Canadian high school students the opportunity to demonstrate their abilities and earn college-level credit. AP Chemistry has the lowest test...
Randomness extractor
A randomness extractor, often simply called an "extractor", is a function, which being applied to output from a weak entropy source, together with a short, uniformly random seed, generates a highly random output that appears independent from the source and uniformly distributed. Examples of weakly random sources includ...
Wave power
Wave power is the capture of energy of wind waves to do useful work – for example, electricity generation, water desalination, or pumping water. A machine that exploits wave power is a wave energy converter (WEC).