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Geometric algebra Rotating systems Geometric_algebra > Examples and applications > Rotating systems The mathematical description of rotational forces such as torque and angular momentum often makes use of the cross product of vector calculus in three dimensions with a convention of orientation (handedness). The cross p...
ShakeAlert Detection methods ShakeAlert > Detection methods The second algorithm was the τ c {\displaystyle \tau _{c}} - P d {\displaystyle P_{d}} OnSite algorithm. By using displacement amplitude P d {\displaystyle P_{d}} and period τ c {\displaystyle \tau _{c}} of the first signs of shaking, the OnSite algorithm more...
Language pedagogy Approach, method and technique Language_pedagogy > Approach, method and technique In 1963, the University of Michigan Linguistics Professor Edward Mason Anthony Jr. formulated a framework to describe various language teaching methods, which consisted of three levels: approach, method, and technique. A...
Integral Molten Salt Reactor Efficiency Integral_Molten_Salt_Reactor > Economics > Efficiency Conventional nuclear reactors, such as pressurized and boiling water reactors, use water as a coolant. Due to water's high vapor pressure at elevated temperatures, they are limited to operating at a relatively low temperature,...
Approximate Bayesian Computation Indispensable quality controls Approximate_Bayesian_Computation > Pitfalls and remedies > Indispensable quality controls Fundamentally novel approaches for model choice that incorporate quality control as an integral step in the process have recently been proposed. ABC allows, by constr...
Nucleosynthesis Empirical evidence Nucleosynthesis > Empirical evidence Theories of nucleosynthesis are tested by calculating isotope abundances and comparing those results with observed abundances. Isotope abundances are typically calculated from the transition rates between isotopes in a network. Often these calculat...
Raw water Reverse osmosis Raw_water > Treatment > Reverse osmosis This efficiency has made reverse osmosis the primary method of water purification, often being used in combination with other methods, as a final treatment. A downside to reverse osmosis is that the removing of most minerals from water can have negative ...
PL/I programming language Programmer issues PL/I_programming_language > Criticisms > Programmer issues Overlay three different types of variable on the same memory location? Anything you say! Write a recursive macro?
Epicentral distance Network measurement method Epicentral_distance > Correlation with epicenter > Network measurement method When the epicentral distance is calculated by at least three seismic stations, the location of the epicenter can be determined by trilateral measurement. This method of measuring epicenters throu...
Scientific question Summary Scientific_hypothesis A working hypothesis is a provisionally accepted hypothesis proposed for further research in a process beginning with an educated guess or thought.A different meaning of the term hypothesis is used in formal logic, to denote the antecedent of a proposition; thus in the ...
Hydrogen isotope biogeochemistry Intact molecular isotope ratio mass spectrometry Hydrogen_isotope_biogeochemistry > Measurement techniques > Intact molecular isotope ratio mass spectrometry One of the first examples of this type of measurement has been the clumped isotopes of methane. (See section of "natural gas" in ...
Granular layer (cerebellum) Microanatomy Cerebellar_cortex > Structure > Microanatomy Two types of neuron play dominant roles in the cerebellar circuit: Purkinje cells and granule cells. Three types of axons also play dominant roles: mossy fibers and climbing fibers (which enter the cerebellum from outside), and parall...
Gasoline consumption Unit conversions Fuel_mileage > Unit conversions US Gallons1 mpg ≈ 0.425 km/L 235.2/mpg ≈ L/100 km 1 mpg ≈ 1.201 mpg (imp)Imperial gallons1 mpg ≈ 0.354 km/L 282/mpg ≈ L/100 km 1 mpg ≈ 0.833 mpg (US)
Matter wave clock Applications Matter_wave_clock > Matter waves as clocks > Applications In his paper, "Quantum mechanics, matter waves and moving clocks", Müller has suggested that "The description of matter waves as matter-wave clocks ... has recently been applied to tests of general relativity, matter-wave experimen...
Architectural element Structural elements Outline_of_architecture > Building construction > Structural elements Doorway – opening in a wall, typically rectangular, providing means of access, usually with a gate or door to provide security and weather protection. Facade – an exterior face of a building, especially the f...
ER stress Summary ER_stress If these objectives are not achieved within a certain time span or the disruption is prolonged, the UPR aims towards apoptosis. Sustained overactivation of the UPR has been implicated in prion diseases as well as several other neurodegenerative diseases, and inhibiting the UPR could become a...
Health risk History Health_risk > History In 1979, when personal desktop computers became readily available, he packaged all 12 assessments together on a floppy disk and marketed it as a comprehensive health risk assessment. It wasn't until 1980, when the Centers for Disease Control and Prevention released a publicly a...
Paxos (computer science) Production use of Paxos Paxos_(computer_science) > Production use of Paxos Google uses the Paxos algorithm in their Chubby distributed lock service in order to keep replicas consistent in case of failure. Chubby is used by Bigtable which is now in production in Google Analytics and other produc...
Acute psychotic episode Hallucinations Psychotic_episode > Signs and symptoms > Hallucinations People who experience auditory hallucinations can frequently identify the loudness, location of origin, and may settle on identities for voices. Western cultures are associated with auditory experiences concerning religious c...
Sigma Piscium Summary Sigma_Piscium It has an orbital period of 81 days, and the orbit is relatively eccentric, at about 0.9. Both components are B-type main-sequence stars.Sigma Piscium is moving through the Milky Way at a speed of 23.5 km/s relative to the Sun. Its projected galactic orbit carries it between 24,300 a...
Finite population correction Estimate Standard_error_of_estimation > Standard error of the sample mean > Estimate The standard deviation σ {\displaystyle \sigma } of the population being sampled is seldom known. Therefore, the standard error of the mean is usually estimated by replacing σ {\displaystyle \sigma } with t...
Analog automata Variant definitions of automata Theory_of_automata > Variant definitions of automata Queue memory: An automaton may have memory in the form of a queue. Such a machine is called queue machine and is Turing-complete. Tape memory: The inputs and outputs of automata are often described as input and output t...
Diamond buffer High output current derivatives Diamond_buffer > High output current derivatives When the latter switches off, one of the added transistor provides the required base current to the output stage. The idea was used, for example, in the 1987 Burr-Brown OPA633 fast buffer IC.
Complex geometry Idea Complex_geometry > Idea Broadly, complex geometry is concerned with spaces and geometric objects which are modelled, in some sense, on the complex plane. Features of the complex plane and complex analysis of a single variable, such as an intrinsic notion of orientability (that is, being able to co...
Table of elements The order of subshell filling Periodic_Table > Atomic structures of the elements > Electron configurations > The order of subshell filling The sixth row of the table likewise starts with two s-block elements: caesium and barium. After this, the first f-block elements (coloured green below) begin to ap...
Amoebic liver abscess Research Amoebic_liver_abscess > Research Due to the difficulty of exploring host and amebic factors involved in the pathogenesis of amebic liver abscess in humans, most studies have been conducted with animal models (e.g., mice, gerbils, and hamsters). Histopathological findings revealed that the...
Pseudoneurotic schizophrenia Signs and symptoms Pseudoneurotic_schizophrenia > Signs and symptoms The diagnosis of pseudoneurotic schizophrenia can be made with clinical observation and by various psychiatrical exams by a mental health professional and by the patient's explanation of his or her experiences. A patient m...
Convergence in distribution Definition Convergence_in_quadratic_mean > Convergence in probability > Definition A sequence {Xn} of random variables converges in probability towards the random variable X if for all ε > 0 lim n → ∞ P ( | X n − X | > ε ) = 0. {\displaystyle \lim _{n\to \infty }\mathbb {P} {\big (}|X_{n}-X|...
Architectural design optimization Model-based optimisation Architectural_design_optimization > Methods of ADO > Model-based optimisation The efficacy of the surrogate model is determined by the accuracy of the mathematical model. For this reason, some of the time-saving features of model-based optimisation could be inv...
Oral ecology Abiotic Oral_ecology > Oral environment > Abiotic At the microscopic scale, oxygen concentration can dictate where in the mouth aerobic, anaerobic, facultative anaerobic, aerotolerant, or microaerophilic microbes grow or form biofilm. Biofilms themselves can help regulate oxygen exposure and keep anaerobic...
Fatigue of welded joints Summary Fatigue_of_welded_joints Under cyclic loading these defects can grow a fatigue crack, causing the assembly to fail even if these cyclic stresses are low and smaller than the base material and weld filler material yield stress. Hence, the fatigue strength of a welded joint does not corre...
Small intestine cancer Summary Small_intestine_cancer (American Cancer Society, 2023) Small intestine cancer can be subdivided into duodenal cancer (the first part of the small intestine) and cancer of the jejunum and ileum (the latter two parts of the small intestine). Duodenal cancer has more in common with stomach c...
Highway network Model Highway_network > Model The model has two gates in addition to the H(WH, x) gate: the transform gate T(WT, x) and the carry gate C(WC, x). Those two last gates are non-linear transfer functions (by convention Sigmoid function). The H(WH, x) function can be any desired transfer function. The carry ...
Axiom of limitation of size History Axiom_of_limitation_of_size > History That this condition really gets at the essence of things is seen from the fact that it implies the axiom of choice, which formerly stood quite apart from other existential principles. The inferences, bordering on the paradoxes, which are made pos...
Adipogenesis Summary Adipogenesis Adipogenesis is the formation of adipocytes (fat cells) from stem cells. It involves 2 phases, determination, and terminal differentiation. Determination is mesenchymal stem cells committing to the adipocyte precursor cells, also known as preadipocytes which lose the potential to diffe...
Primordial germ cell Oogenesis Germ_cell > Oogenesis These intensive RNA biosynthese are mirrored in the structure of the chromosomes, which decondense and form lateral loops giving them a lampbrush appearance (see Lampbrush chromosome). Oocyte maturation is the following phase of oocyte development. It occurs at sexua...
Interstellar space travel Time dilation Interstellar_Travel > Proposed methods > Fast, crewed missions > Time dilation Physicists generally believe faster-than-light travel is impossible. Relativistic time dilation allows a traveler to experience time more slowly, the closer their speed is to the speed of light. This a...
Energy of activation Temperature dependence and the relation to the Arrhenius equation Activation_enthalpy > Temperature dependence and the relation to the Arrhenius equation There are two objections to associating this activation energy with the threshold barrier for an elementary reaction. First, it is often unclear ...
Public-key infrastructure Capabilities Public-key_infrastructure > Capabilities Integrity: Assurance that if an entity changed (tampered) with transmitted data in the slightest way, it would be obvious it happened as its integrity would have been compromised. Often it is not of utmost importance to prevent the integrit...
Peetre theorem Proof Peetre_theorem > The original Peetre theorem > Proof Rescale s by a factor of 2C/g. Then if g is non-zero, by the linearity of D, |Ds(y)|=2C>C, which is impossible by Lemma 1. This proves the theorem in the punctured neighborhood V\{x}.Now, we must continue the differential operator to the central ...
Psychoneuroimmunology Connections between glucocorticoids and immune system Psychoneuroimmunology > Psychoneuroimmunological effects > Connections between glucocorticoids and immune system Anti-inflammatory hormones that enhance the organism's response to a stressor. Prevent the overreaction of the body's own defense s...
Implosion-type nuclear weapon Summary Fusion_weapon The first stage is normally a boosted fission weapon as above (except for the earliest thermonuclear weapons, which used a pure fission weapon instead). Its detonation causes it to shine intensely with x-radiation, which illuminates and implodes the second stage fille...
Respiratory distress Differential diagnosis Breathing_difficulties > Differential diagnosis On a pathophysiological basis the causes can be divided into: (1) an increased awareness of normal breathing such as during an anxiety attack, (2) an increase in the work of breathing and (3) an abnormality in the ventilatory or...
Principles of Optics Original editions Principles_of_Optics > Publication history > Original editions Principles of optics; electromagnetic theory of propagation, interference and diffraction of light (3rd rev. ed.). Oxford; London; Edinburgh: Pergamon Press.
Open Data-Link Interface Summary Open_Data-Link_Interface The Open Data-Link Interface (ODI), developed by Apple and Novell, serves the same function as Microsoft and 3COM's Network Driver Interface Specification (NDIS). Originally, ODI was written for NetWare and Macintosh environments. Like NDIS, ODI provides rules t...
Inverse filtering Continuous-time frequency analysis Minimum_phase > Frequency analysis > Continuous-time frequency analysis Analysis for the continuous-time case proceeds in a similar manner except that we use the Laplace transform for frequency analysis. The time-domain equation is the following. where δ ( t ) {\disp...
Reprogramming Summary Reprogramming After the blastocyst is formed, methylation can begin, and with formation of the epiblast a wave of methylation then takes place until the implantation stage of the embryo. Another period of rapid and almost complete demethylation occurs during gametogenesis within the primordial ger...
Filter bag Unit collectors Dust_collector > Electrostatic precipitators (ESP) > Unit collectors Unlike central collectors, unit collectors control contamination at its source. They are small and self-contained, consisting of a fan and some form of dust collector. They are suitable for isolated, portable, or frequently ...
Game mechanic Game mechanics vs. gameplay Game_mechanics > Game mechanics vs. gameplay In a graphic adventure game, the basic gameplay is usually to solve puzzles related to the context. The basic gameplay of poker is to produce certain numerical or categorical combinations. Golf's basic gameplay is to hit a ball and r...
Abjadi order Uses of the Abjad system Abjadi_order > Uses of the Abjad system ", and "C." (or, rarer, Roman numerals: I, II, III, IV), in Arabic, thus "أ", then "ب", then "ج", not the first three letters of the modern hijāʼī order. The abjad numbers are also used to assign numerical values to Arabic words for purposes ...
Diffraction topography Literature Diffraction_topography > Literature Journal of Applied Physics. AIP Publishing. 29 (3): 597–598.
National Ambient Air Quality Objectives Summary National_Ambient_Air_Quality_Objectives In 1992, a review of the NAAQOs suggested that many air pollutants had no effect thresholds (e.g. tropospheric ozone or very low effect thresholds). As such, scientifically defensible effect levels could not be identified. In 2000, ...
Euclid's postulates 18th century Planar_geometry > Later history > 18th century For example, the problem of trisecting an angle with a compass and straightedge is one that naturally occurs within the theory, since the axioms refer to constructive operations that can be carried out with those tools. However, centuries o...
Use of force Use of force continuum Use_of_force > Use of force continuum The use of force may be standardized by a Use of Force Continuum, which presents guidelines as to the degree of force appropriate in a given situation. One source identifies five very generalized steps, increasing from least use of force to great...
Glossary of artificial intelligence M Glossary_of_artificial_intelligence > M A general field of study of algorithms and systems for audio understanding by machine. machine perception The capability of a computer system to interpret data in a manner that is similar to the way humans use their senses to relate to the wo...
War of the currents Summary War_of_the_currents Brown also claimed that alternating current was more dangerous than direct current and tried to prove this by publicly killing animals with both currents, with technical assistance from Edison Electric. The Edison company and Brown colluded further in their parallel goals...
Cognitive dissonance COVID-19 Cognitive_dissonance > Applications > COVID-19 The COVID-19 pandemic, an extreme public health crisis, cases rose to the hundred million and deaths at nearly four million worldwide. Reputable health organizations such as Lyu and Wehby studied the effects of wearing a face mask on the sprea...
Approximate Bayesian Computation Choice and sufficiency of summary statistics Approximate_Bayesian_Computation > Pitfalls and remedies > Choice and sufficiency of summary statistics Instead, the partial least squares regression approach uses information from all the candidate statistics, each being weighted appropriate...
Strain crystallization Effects of strain crystallization Strain_crystallization > Effects of strain crystallization The mechanical properties of materials are greatly affected by the orientation of the crystals in their micro-structure. The process of strain crystallization directly affects the micro-structure of the m...
Kepler-4 Nomenclature and history Kepler-4 > Nomenclature and history Kepler-4 is named for the Kepler spacecraft, a NASA telescope tasked with finding Earth-like planets that transit their stars as seen from Earth. As the previous three planets that Kepler confirmed had already been confirmed by others, Kepler-4 and i...
PKCS 7 Summary PKCS_7 In cryptography, "PKCS #7: Cryptographic Message Syntax" (a.k.a. "CMS") is a standard syntax for storing signed and/or encrypted data. PKCS #7 is one of the family of standards called Public-Key Cryptography Standards (PKCS) created by RSA Laboratories.
Linear partial differential equation Linear equations of second order Analytical_solutions_of_partial_differential_equations > Classification > Linear equations of second order Elliptic: the eigenvalues are all positive or all negative. Parabolic: the eigenvalues are all positive or all negative, except one that is zer...
DE-9 connector Description, nomenclature, and variants DE-9_connector > Description, nomenclature, and variants A D-sub contains two or more parallel rows of pins or sockets usually surrounded by a D-shaped metal shield that provides mechanical support, ensures correct orientation, and may screen against electromagneti...
Lichen sclerosus Main treatment Lichen_sclerosus > Treatment > Main treatment In a prospective longitudinal cohort study of 507 women throughout 6 years, cancer occurred for 4.7% of patients who were only "partially compliant" with corticosteroid treatment, while it occurred in 0% of cases where they were "fully compli...
Chow–Liu tree Variations on Chow–Liu trees Chow–Liu_tree > Variations on Chow–Liu trees The obvious problem which occurs when the actual distribution is not in fact a second-order dependency tree can still in some cases be addressed by fusing or aggregating together densely connected subsets of variables to obtain a "l...
Schrödinger representation Historical overview Weyl_calculus > Historical overview The mathematical formulation of quantum mechanics by Werner Heisenberg and Erwin Schrödinger was originally in terms of unbounded self-adjoint operators on a Hilbert space. The fundamental operators corresponding to position and momentum...
Bayesian vector autoregression Summary Bayesian_vector_autoregression In statistics and econometrics, Bayesian vector autoregression (BVAR) uses Bayesian methods to estimate a vector autoregression (VAR) model. BVAR differs with standard VAR models in that the model parameters are treated as random variables, with prio...
Thunderclap headache Summary Thunderclap_headache A thunderclap headache is a headache that is severe and has a sudden onset. It is defined as a severe headache that takes seconds to minutes to reach maximum intensity. Although approximately 75% are attributed to "primary" headaches—headache disorder, non-specific head...
Hybrid algorithm Examples Hybrid_algorithm > Examples Another example of hybrid algorithms for performance reasons are introsort and introselect, which combine one algorithm for fast average performance, falling back on another algorithm to ensure (asymptotically) optimal worst-case performance. Introsort begins with a...
Cognitive model Associative memory Cognitive_model > Dynamical systems > Early dynamical systems > Associative memory By letting the network learn on its own, structure and computational properties naturally arise. Unlike previous models, “memories” can be formed and recalled by inputting a small portion of the entire ...
DeepDream Process DeepDream > Process As internal variations are modified in deep neural networks the output image reflect these changes. This specific manipulation demonstrates how inner brain mechanisms are analogous to internal layers of neural networks. Internal noise level modifications represent how hallucinogens...
Recursive data type Example Recursive_data_type > Example An example is the list type, in Haskell: This indicates that a list of a's is either an empty list or a cons cell containing an 'a' (the "head" of the list) and another list (the "tail"). Another example is a similar singly linked type in Java: This indicates th...
Watching-eye effect Summary Watching-eye_effect The watching-eye effect says that people behave more altruistically and exhibit less antisocial behavior in the presence of images that depict eyes, because these images insinuate that they are being watched. Eyes are strong signals of perception for humans. They signify ...
Small nucleolar RNA Z248 Summary Small_nucleolar_RNA_Z248 In molecular biology, Z248 is a member of the C/D class of snoRNA which contain the C (UGAUGA) and D (CUGA) box motifs. Most of the members of the box C/D family function in directing site-specific 2'-O-methylation of substrate RNAs.
Outline of category theory Summary Outline_of_category_theory The following outline is provided as an overview of and guide to category theory, the area of study in mathematics that examines in an abstract way the properties of particular mathematical concepts, by formalising them as collections of objects and arrows (...
Cache stampede Probabilistic early expiration Cache_stampede > Cache stampede mitigation > Probabilistic early expiration function x-fetch(key, ttl, beta=1) { value, delta, expiry ← cache_read(key) if (!value || (time() - delta * beta * log(rand(0,1))) ≥ expiry) { start ← time() value ← recompute_value() delta ← time()...
Prokaryotic cells Reproduction Prokaryotic_cell > Reproduction Bacteria and archaea reproduce through asexual reproduction, usually by binary fission. Genetic exchange and recombination still occur, but this is a form of horizontal gene transfer and is not a replicative process, simply involving the transference of DNA...
Congruence modulo m Applications Modular_math > Applications In pure mathematics, modular arithmetic is one of the foundations of number theory, touching on almost every aspect of its study, and it is also used extensively in group theory, ring theory, knot theory, and abstract algebra. In applied mathematics, it is us...
BQP Sum of Histories BQP > Relationship to other complexity classes > BQP and PSPACE > Sum of Histories Source:Sum of histories is a technique introduced by physicist Richard Feynman for path integral formulation. We apply this technique to quantum computing to solve APPROX-QCIRCUIT-PROB. Consider a quantum circuit C, ...
Symmetric distribution Summary Symmetric_distribution In statistics, a symmetric probability distribution is a probability distribution—an assignment of probabilities to possible occurrences—which is unchanged when its probability density function (for continuous probability distribution) or probability mass function (...
Predictive Analysis Time series models Predictive_Analytics > Analytical techniques > Time series models Time series models are a subset of machine learning that utilize time series in order to understand and forecast data using past values. A time series is the sequence of a variable's value over equally spaced period...
Complex Lie group Summary Complex_Lie_group In geometry, a complex Lie group is a Lie group over the complex numbers; i.e., it is a complex-analytic manifold that is also a group in such a way G × G → G , ( x , y ) ↦ x y − 1 {\displaystyle G\times G\to G,(x,y)\mapsto xy^{-1}} is holomorphic. Basic examples are GL n ⁡ (...
Chiller How absorption technology works Chiller > How absorption technology works The solution surrounds a bundle of tubes which carries either steam or hot water. The steam or hot water transfers heat into the pool of dilute lithium bromide solution. The solution boils, sending refrigerant vapor upward into the conden...
Bibliometrics From altmetrics to open metrics Bibliometrics > Bibliometrics and open science > From altmetrics to open metrics "The concept of alt-metrics was introduced in 2009 by Cameron Neylon and Shirly Wu as article-level metrics. In contrast with the focus of leading metrics on journals (impact factor) or, more r...
Chronic lymphangitis Summary Chronic_lymphangitis Lymphangitis is an inflammation or an infection of the lymphatic channels that occurs as a result of infection at a site distal to the channel. The most common cause of lymphangitis in humans is Streptococcus pyogenes (Group A strep), hemolytic streptococci, and in some...
Kansa method History and recent developments Kansa_method > History and recent developments The BEM is an alternative method in some engineering problems, such as inverse, unbounded domain, and thin-walled structure problems. However, its applications are largely limited by the availability of the fundamental solution ...
Double hashing Analysis Double_hashing > Analysis Bradford and Katehakis showed the expected number of probes for an unsuccessful search in T {\displaystyle T} , still using these initially chosen hash functions, is 1 1 − α {\displaystyle {\tfrac {1}{1-\alpha }}} regardless of the distribution of the inputs. Pair-wise ...
Ferranti Orion Magnetic amplifiers Ferranti_Orion > History > Magnetic amplifiers One such system was the magnetic amplifier. Similar to magnetic core memory, or "cores", magnetic amplifiers used small toroids of ferrite as a switching element. When current passed through the core, a magnetic field would be induced tha...
Streamgraph Summary Streamgraph A streamgraph, or stream graph, is a type of stacked area graph which is displaced around a central axis, resulting in a flowing, organic shape. Unlike a traditional stacked area graph in which the layers are stacked on top of an axis, in a streamgraph the layers are positioned to minimi...
Great power Power dimensions Great_power > Characteristics > Power dimensions 3. High technology and education. 4.
Double-layer capacitor Types Supercapacitor > Types Electrical energy is stored in supercapacitors via two storage principles, static double-layer capacitance and electrochemical pseudocapacitance; and the distribution of the two types of capacitance depends on the material and structure of the electrodes. There are th...
Amino acid metabolism Protein folding Amino_acid_metabolism > Protein synthesis > Polypeptide synthesis > Protein folding Once a polypeptide chain is fully folded, it is called a protein. Often many subunits will combine to make a fully functional protein although physiological proteins do exist that contain only one p...
Beneficial mutation Overview Beneficial_mutation > Overview Another effect of these mobile DNA sequences is that when they move within a genome, they can mutate or delete existing genes and thereby produce genetic diversity.Nonlethal mutations accumulate within the gene pool and increase the amount of genetic variation...
Turing Tumble Summary Turing_Tumble Turing Tumble is a game and demonstration of logic gates via mechanical computing.
Force Equilibrium Attractive_(force) > Combining forces > Equilibrium A body is in static equilibrium with respect to a frame of reference if it at rest and not accelerating, whereas a body in dynamic equilibrium is moving at a constant speed in a straight line, i.e., moving but not accelerating. What one observer sees...
Ternary search tree Hash maps Ternary_search_tree > Comparison to other data structures > Hash maps Hashtables can also be used in place of ternary search trees for mapping strings to values. However, hash maps also frequently use more memory than ternary search trees (but not as much as tries). Additionally, hash maps...
Finite volume General conservation law Finite_volume > General conservation law The actual numerical scheme will depend upon problem geometry and mesh construction. MUSCL reconstruction is often used in high resolution schemes where shocks or discontinuities are present in the solution. Finite volume schemes are conser...
Human sweat Mechanism Human_sweat > Mechanism Sweating allows the body to regulate its temperature. Sweating is controlled from a center in the preoptic and anterior regions of the brain's hypothalamus, where thermosensitive neurons are located. The heat-regulatory function of the hypothalamus is also affected by input...
Thermel Practical concerns Thermocouple > Practical concerns Thermocouples ideally should be very simple measurement devices, with each type being characterized by a precise E ( T ) {\displaystyle \scriptstyle E(T)} curve, independent of any other details. In reality, thermocouples are affected by issues such as alloy ...
Selfish gene theory The gene as the unit of selection Gene-centered_view_of_evolution > Overview > The gene as the unit of selection Williams argued that "he natural selection of phenotypes cannot in itself produce cumulative change, because phenotypes are extremely temporary manifestations." Each phenotype is the uniq...