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Albert Einstein's theory of relativity and the development of quantum mechanics complement classical mechanics to describe physics in extreme length, time and gravity. Widespread use of integrated circuits in the last quarter of the 20th century combined with communications satellites led to a revolution in information...
Scientific knowledge
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This discovery has been featured in many international media as one of the top discoveries of the year 2017 (NBC News, Euronews, Physics World, Science News, Global News, Gizmodo, Business Insider, Altmetric, Egypt Today, NBC, MSN News, Le Monde, CTV, The Franklin Institute, Radio Canada, Sciences et Avenir, RTÉ, PBS, ...
ScanPyramids
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Alan Mathison Turing (; 23 June 1912 – 7 June 1954) was an English mathematician, computer scientist, logician, cryptanalyst, philosopher and theoretical biologist. Turing was highly influential in the development of theoretical computer science, providing a formalisation of the concepts of algorithm and computation wi...
Alan Turing
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These would later be named protons.1893 Alfred Werner discovers the octahedral structure of cobalt complexes, thus establishing the field of coordination chemistry.1894–1898 William Ramsay discovers the noble gases, which fill a large and unexpected gap in the periodic table and led to models of chemical bonding.1897 J...
Timeline of chemistry
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In quantum chemistry, a configuration state function (CSF), is a symmetry-adapted linear combination of Slater determinants. A CSF must not be confused with a configuration. In general, one configuration gives rise to several CSFs; all have the same total quantum numbers for spin and spatial parts but differ in their i...
Configuration state function
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In addition to electromagnetic radiation, a few other events originating from great distances may be observed from the Earth. In neutrino astronomy, astronomers use heavily shielded underground facilities such as SAGE, GALLEX, and Kamioka II/III for the detection of neutrinos. The vast majority of the neutrinos streami...
Astronomy
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The institution is divided into three sectors; Divisions, Regions, and Societies, which are further subdivided – their purpose is to promote engineering and share knowledge. Regions: An Ríocht (Kerry); Australia/New Zealand; Cork; Donegal; GB; Midland; North-East; Norther; North-West; South-East; Thomond and West. Divi...
Institution of Engineers of Ireland
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A database management system, in its access control mechanism, can also apply mandatory access control; in this case, the objects are tables, views, procedures, etc. With mandatory access control, this security policy is centrally controlled by a security policy administrator; users do not have the ability to override ...
Mandatory Access Control
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Vizing's theorem can be interpreted as stating that the line graphs are χ {\displaystyle \chi } -bounded, with f ( t ) = t + 1 {\displaystyle f(t)=t+1} . The claw-free graphs more generally are also χ {\displaystyle \chi } -bounded with f ( t ) ≤ t 2 {\displaystyle f(t)\leq t^{2}} . This can be seen by using Ramsey's t...
Χ-bounded
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In descriptive statistics, the seven-number summary is a collection of seven summary statistics, and is an extension of the five-number summary. There are three similar, common forms. As with the five-number summary, it can be represented by a modified box plot, adding hatch-marks on the "whiskers" for two of the addit...
Seven-number summary
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Due to the non-commutative nature of quantum mechanics, the training process of the quantum Boltzmann machine can become nontrivial. This problem was, to some extent, circumvented by introducing bounds on the quantum probabilities, allowing the authors to train the model efficiently by sampling. It is possible that a s...
Quantum artificial intelligence
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Argument mining, or argumentation mining, is a research area within the natural language processing field. The goal of argument mining is the automatic extraction and identification of argumentative structures from natural language text with the aid of computer programs.
Argument technology
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ACM and its SIGs co-sponsor about 20 conferences each year with IEEE-CS and other parts of IEEE. Eckert-Mauchly Award and Ken Kennedy Award, both major awards in computer science, are given jointly by ACM and the IEEE-CS. They occasionally cooperate on projects like developing computing curricula.ACM has also jointly s...
ACM Portal
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Stand development is very individualized, and every practitioner has his or her own routine, but in general, after an initial agitation in the developer, film is simply allowed to stand motionless in (generally highly dilute) developer, with no agitation, for very long intervals, up to hours. Large tank processing has ...
Sheet film
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Sephus later became a machine learning and applied science manager at Amazon Web Services Artificial Intelligence. Her team develops tools for bias-identification for machine learning models. She is currently a technology evangelist at Amazon.In 2018, Sephus began plans to create a technology community and business inc...
Nashlie Sephus
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From the defining equations (1) and (2) it is clear (taking the partial derivatives of the integrand) that outside the body in empty space the following differential equations are valid for the field caused by the body: Functions of the form ϕ = R ( r ) Θ ( θ ) Φ ( φ ) {\displaystyle \phi =R(r)\,\Theta (\theta )\,\Phi ...
Geopotential model
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Dresselhaus was particularly noted for her work on graphite, graphite intercalation compounds, fullerenes, carbon nanotubes, and low-dimensional thermoelectrics. Her group made frequent use of electronic band structure, Raman scattering and the photophysics of carbon nanostructures. Her research helped develop technolo...
Mildred Dresselhaus
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It now covers totally 1,560,000 square metres (16,800,000 sq ft), with a construction area of 383,000 m2 (4,120,000 sq ft). HIT, Weihai now has 10 schools and 1 department, 10,466 undergraduate students, 542 master students, 110 Ph.D. candidates, 89 international students, and 861 staff members, including 97 professors...
Harbin Institute of Technology
0.79636
97,318
{\displaystyle {x \choose k}={\frac {x(x-1)(x-2)\cdots (x-k+1)}{k!}}} is the kth binomial coefficient polynomial. Over the field of real numbers, the assumption that the function f is a polynomial can be weakened, but it cannot be weakened all the way down to mere continuity. Mahler proved the following result: Mahler'...
P-adic analysis
0.79636
97,319
Causality: Models, Reasoning, and Inference (2000; updated 2009) is a book by Judea Pearl. It is an exposition and analysis of causality. It is considered to have been instrumental in laying the foundations of the modern debate on causal inference in several fields including statistics, computer science and epidemiolog...
Causality (book)
0.79636
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The Formulation phase is a technical assumption of the most critical Key Category and the urban element within the area deduced from the Investigation phase. These critical attributes are being interpreted as the Catalysts of transformation and are to come to the designer's use to set a contextual priority list of Desi...
Integrated modification methodology
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Very similar equations may be applied to the growth and melting of crystals in the confined geometry of porous systems. However the geometry term for the crystal-liquid interface may be different, and there may be additional surface energy terms to consider, which can be written as a wetting angle term cos ⁡ ϕ {\displa...
Gibbs-Thomson effect
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Carneiro's theory has been criticized by the Dutch "early state school" emerging in the 1970s around cultural anthropologist Henri J.M. Claessen, on the ground that considerable contrary evidence can be found to Carneiro's theory. There are also cases of circumscribed environments and violent cultures which have failed...
Circumscription theory
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In July 2017, Naver launched Papago, which is an AI-based mobile translator that uses a large neural network technology named N2MT (Naver Neural Machine Translation). It can translate text and phrases in 15 different languages (Korean, English, Japanese, Chinese (Simplified), Chinese (Traditional), Spanish, French, Ger...
Knowledge iN
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In control engineering, model based fault detection and system identification a state-space representation is a mathematical model of a physical system specified as a set of input, output and variables related by first-order (not involving second derivatives) differential equations or difference equations. Such variabl...
State space representation
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An alternative terminology is provided by Nomenclature of Territorial Units for Statistics which terms the principal division as the second level or NUTS-2. Administrative divisions are conceptually separate from Dependent territories, with the former being an integral part of the state and the other being only under s...
Administrative division
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It was the first systematic search for signals from communicative extraterrestrial civilizations. Using the 85 ft (26 m) dish of the National Radio Astronomy Observatory, Green Bank in Green Bank, West Virginia, Drake monitored two nearby Sun-like stars: Epsilon Eridani and Tau Ceti, slowly scanning frequencies close t...
Drake Equation
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At the same time, he was research director of CNRS. Among others, he worked on elastic waves in gravitational radiation detectors, shells of matter and their gravitational collapse, the Newman−Penrose formalism and its identities, stationary axially symmetric gravitational fields, and gravitational and electromagnetic ...
Achilles Papapetrou
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It encompasses engineering technology areas in: Neural Network Engineering and Intelligent System Application Decision Support System and Information Modelling System Reverse Software Engineering and Reusable Software Engineering The application of Cryptography in Computer Security System Enterprise Architectural Frame...
Engineering informatics
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Alvin Van Valkenburg, Jr. (12 August 1913, Schenectady, New York – 5 December 1991, Tucson, Arizona) was an experimental physicist, geologist, geochemist, and inventor, known as one of the four co-inventors of the diamond anvil cell (DAC).Alvin Van Valkenburg, Jr. graduated in 1936 from Schenectady's Union College with...
Alvin Van Valkenburg
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Ability to ensure suitable planning, cost and motivation structures in relation to the operation as well as to strategic investments related to the transformation into future sustainable energy systems".Compared to the previous generations the temperature levels have been reduced to increase the energy efficiency of th...
District heating
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Hohm, Olaf; Zwiebach, Barton (2017). "L∞ Algebras and Field Theory". Fortschr.
Homotopy Lie algebra
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Consider any topological space X. The specialization preorder ≤ on X relates two points of X when one lies in the closure of the other. However, various authors disagree on which 'direction' the order should go. What is agreed is that if x is contained in cl{y},(where cl{y} denotes the closure of the singleton set {y},...
Specialization preorder
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97,333
In other words, dynamicists argue that psychology should be (or is) the description (via differential equations) of the cognitions and behaviors of an agent under certain environmental and internal pressures. The language of chaos theory is also frequently adopted. In it, the learner's mind reaches a state of disequili...
Mathematical system theory
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97,334
Education has the potential to influence neuroscience, directing future research into complex forms of cognition and education researchers can help Educational Neuroscience to avoid naïve experiments and repetition of earlier mistakes. Neuromyths: Thus far most of the neuroscience findings applied to education have tur...
Educational neuroscience
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97,335
In theoretical computer science, the PACELC theorem is an extension to the CAP theorem. It states that in case of network partitioning (P) in a distributed computer system, one has to choose between availability (A) and consistency (C) (as per the CAP theorem), but else (E), even when the system is running normally in ...
PACELC theorem
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97,336
In chemistry and manufacturing, electrolysis is a technique that uses direct electric current (DC) to drive an otherwise non-spontaneous chemical reaction. Electrolysis is commercially important as a stage in the separation of elements from naturally occurring sources such as ores using an electrolytic cell. The voltag...
Electrolysis
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97,337
ASTERIA (Arcsecond Space Telescope Enabling Research in Astrophysics) was a miniaturized space telescope technology demonstration and opportunistic science mission to conduct astrophysical measurements using a CubeSat. It was designed in collaboration between the Massachusetts Institute of Technology (MIT) and NASA's J...
ASTERIA (spacecraft)
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97,338
In computer science, graph traversal (also known as graph search) refers to the process of visiting (checking and/or updating) each vertex in a graph. Such traversals are classified by the order in which the vertices are visited. Tree traversal is a special case of graph traversal.
Graph search algorithm
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97,339
As growth progresses and the gill becomes more developed, ionocytes can be found on the gill arch and gill filament. In larval fishes, the number, size, and density of ionocytes can be quantified as a relative ionocyte area, which has been proposed as a proxy for osmotic, ionic, and/or acid-base capacity of the organis...
Fish larvae
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97,340
For their contributions to reaction dynamics, Herschbach and Lee are considered to have helped create a new field of research in chemistry. Herschbach is a pioneer in molecular stereodynamics, measuring and theoretically interpreting the role of angular momentum and its vector properties in chemical reaction dynamics.I...
Dudley R. Herschbach
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Masser's research focuses on transcendental number theory, Diophantine approximation, and Diophantine geometry. The abc conjecture originated as the outcome of attempts by Oesterlé and Masser to understand the Szpiro conjecture about elliptic curves.
David Masser
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Thus UHF algebras are simple C*-algebras. In general, the groups which are not dense in Q are the dimension groups of Mk for some k. Commutative C*-algebras, which were characterized by Gelfand, are AF precisely when the spectrum is totally disconnected. The continuous functions C(X) on the Cantor set X is one such exa...
Approximately finite dimensional C*-algebra
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97,343
The rank of a matrix plus the nullity of the matrix equals the number of columns of the matrix. (This is the rank–nullity theorem.) If A is a matrix over the real numbers then the rank of A and the rank of its corresponding Gram matrix are equal.
Rank deficiency
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97,344
The Center for AI Safety (CAIS) is a San Francisco–based nonprofit organization that promotes the safe development and deployment of artificial intelligence (AI). CAIS's work encompasses research in technical AI safety and AI ethics, advocacy, and support to grow the AI safety research field.In May 2023, CAIS published...
Center for AI Safety
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Computational journalism can be defined as the application of computation to the activities of journalism such as information gathering, organization, sensemaking, communication and dissemination of news information, while upholding values of journalism such as accuracy and verifiability. The field draws on technical a...
Computational journalism
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97,346
If properly planned, the program may be much shorter than an equivalent imperative language program. Lisp is widely used in artificial intelligence. However, its usage has been accepted only because it has imperative language operations, making unintended side-effects possible.
Declarative language
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97,347
A graph neural network (GNN) is a class of artificial neural networks for processing data that can be represented as graphs. In the more general subject of "geometric deep learning", certain existing neural network architectures can be interpreted as GNNs operating on suitably defined graphs. Convolutional neural netwo...
Graph neural network
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97,348
Shlomo S. Sawilowsky was professor of educational statistics and Distinguished Faculty Fellow at Wayne State University in Detroit, Michigan, where he has received teaching, mentoring, and research awards.
Shlomo Sawilowsky
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97,349
RL or evolution-based NAS require thousands of GPU-days of searching/training to achieve state-of-the-art computer vision results as described in the NASNet, mNASNet and MobileNetV3 papers.To reduce computational cost, many recent NAS methods rely on the weight-sharing idea. In this approach a single overparameterized ...
Neural architecture search
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97,350
This unusual predator–host relationship is typical of about 10% of all insects. Many viruses that attack single-celled organisms (such as bacteriophages) are also parasitoids; they reproduce inside a single host that is inevitably killed by the association.The optimization of these different foraging and predation stra...
Optimal foraging
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97,351
The popularity of gas chromatography quickly rose after the development of the flame ionization detector. Martin and another one of their colleagues, Richard Synge, with whom he shared the 1952 Nobel Prize in Chemistry, had noted in an earlier paper that chromatography might also be used to separate gases. Synge pursue...
Mass selective detector
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97,352
In 2004, Agol proved the Marden tameness conjecture, a conjecture of Albert Marden. It states that a hyperbolic 3-manifold with finitely generated fundamental group is homeomorphic to the interior of a compact 3-manifold. The conjecture was also independently proven by Danny Calegari and David Gabai, and implies the Ah...
Ian Agol
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97,353
The oldest concept of biophysical chemistry started from the curiosity of Karl Friedrich Bonhoeffer, a physical chemist who wanted to approach biological and physiological problems with knowledge of physics and chemistry. One example of his work is studying the effect of electric current on iron to simulate nerve excit...
Biophysical Chemistry
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97,354
The origin of mathematics is of arguments and disagreements. Whether the birth of mathematics was by chance or induced by necessity during the development of similar subjects, such as physics, remains an area of contention.Many thinkers have contributed their ideas concerning the nature of mathematics. Today, some phil...
Mathematical empiricism
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97,355
In processes that involve following a labelled molecule as it is incorporated in some larger polymer, such markers can be used to follow the dynamics of growth/shrinkage of the polymer, as well as its movement. Commonly used fiducial markers are fluorescently labelled monomers of bio-polymers. The task of measuring and...
Panel fiducial
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97,356
The concept of a net, first introduced by E. H. Moore and Herman L. Smith in 1922, is to generalize the notion of a sequence so that the above conditions (with "sequence" being replaced by "net" in condition 2) are in fact equivalent for all maps of topological spaces. In particular, rather than being defined on a coun...
Moore–Smith limit
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97,357
Let K be an algebraic number field with R the ring of integers. The term "Schur's conjecture" refers to the assertion that, if a polynomial f defined over K is a permutation polynomial on R/P for infinitely many prime ideals P, then f is the composition of Dickson polynomials, degree-one polynomials, and polynomials of...
Permutation polynomial
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97,358
Surface chemistry refers to the elemental or molecular chemistry of particle surfaces. No formal definition exists for what constitutes a surface layer, which is usually defined by the measurement technique employed. For nanoparticles a higher proportion of atoms are on their surfaces relative to micron-scale particles...
Characterization of nanoparticles
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97,359
Oversmoothing refers to the issue of node representations becoming indistinguishable. Oversquashing refers to the bottleneck that is created by squeezing long-range dependencies into fixed-size representations. Countermeasures such as skip connections (as in residual neural networks), gated update rules and jumping kno...
Graph neural network
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97,360
Due to reasons still debated by the physics community because of the lack of methods to observe clusters, Rydberg matter is highly stable against disintegration by emission of radiation; the characteristic lifetime of a cluster at n = 12 is 25 seconds. Reasons given include the lack of overlap between excited and groun...
Rydberg matter
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97,361
The Department of Chemical Engineering at the University of Utah offers undergraduate and graduate degrees in Chemical Engineering. This Department was recently ranked 5th nationally in federal research and development funding. It has major research funding that supports initiatives in: Biological and biomedical engine...
University of Utah College of Engineering
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in Electrical Engineering (May 1957). Among the scholarships he received were the Dow-Corning Award in 1953-54, and the Westinghouse and Texas Power & Light fellowships throughout his graduate work. He was also a member of IRE, Eta Kappa Nu, Tau Beta Pi, Phi Kappa Phi, and an associate member of Sigma Xi.
James R. Biard
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97,363
Examples of this technology include software designed for writing music for video games—where music evolves as a player advances through a level or when certain characters appear—or music generated from artificial intelligence trained to convert biometrics like EEG or ECG readings into music. Because this music is base...
Electronic music technology
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97,364
This is a 2-dimensional, regular local ring, and this makes it possible to describe modules over it. From this description it is possible to recover information about the p-part of the class group of K . {\displaystyle K.} The motivation here is that the p-torsion in the ideal class group of K {\displaystyle K} had alr...
Iwasawa theory
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97,365
When these and/or related, generalized set of regression or machine learning methods are deployed in commercial usage, the field is known as predictive analytics.In many applications, such as time series analysis, it is possible to estimate the models that generate the observations. If models can be expressed as transf...
Experimental prediction
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97,366
Fleischmann, Martin; Pons, Stanley; Anderson, Mark W.; Li, Lian Jun; Hawkins, Marvin (1990). "Calorimetry of the palladium-deuterium-heavy water system". Journal of Electroanalytical Chemistry. 287 (2): 293–348.
Martin Fleischmann
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The candidate must be a citizen of the United States. The candidate must complete a master's degree in a STEM field, including engineering, biological science, physical science, computer science or mathematics. The candidate must have at least two years of related professional experience obtained after degree completio...
Health risks of space travel
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97,368
In computational geometry, a fan triangulation is a simple way to triangulate a polygon by choosing a vertex and drawing edges to all of the other vertices of the polygon. Not every polygon can be triangulated this way, so this method is usually only used for convex polygons.
Fan triangulation
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97,369
Artificial photosynthesis is a chemical process that biomimics the natural process of photosynthesis to convert sunlight, water, and carbon dioxide into carbohydrates and oxygen. The term artificial photosynthesis is commonly used to refer to any scheme for capturing and storing the energy from sunlight in the chemical...
Artificial Photosynthesis
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97,370
Power system automation enables rapid diagnosis of and precise solutions to specific grid disruptions or outages. These technologies rely on and contribute to each of the other four key areas. Three technology categories for advanced control methods are distributed intelligent agents (control systems), analytical tools...
Smart Grid
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97,371
Laser pointers are used in a wide range of applications. Green laser pointers can also be used for amateur astronomy. Green lasers are visible at night due to Rayleigh scattering and airborne dust, allowing someone to point out individual stars to others nearby.
Laser pointers
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97,372
The Frobenius theorem can be restated more economically in modern language. Frobenius' original version of the theorem was stated in terms of Pfaffian systems, which today can be translated into the language of differential forms. An alternative formulation, which is somewhat more intuitive, uses vector fields.
Frobenius integrability
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97,373
Ecovative offer a 'Grow-it-yourself' kit allowing people to create mushroom materials themselves, used to create products including lamp shades.Working with the University of Aachen, Dutch designer Eric Klarenbeek used 3D printing technology to gown a chair without using plastic, metal or wood.
Ecovative Design
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97,374
In geometry, minimax eversions are a class of sphere eversions, constructed by using half-way models. It is a variational method, and consists of special homotopies (they are shortest paths with respect to Willmore energy); contrast with Thurston's corrugations, which are generic. The original method of half-way models...
Minimax eversion
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The meeting for FANTOM3 occurred in September, 2004. A collection of satellite publications that spawned from FANTOM3 were published in PLoS Genetics. They include further work on promoter properties, exon length and pseudo-messenger RNA.
FANTOM
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This value is sometimes also referred to as the winding number, the topological charge (although it is unrelated to 'charge' in the electrical sense), the topological quantum number (although it is unrelated to quantum mechanics or quantum mechanical phenomena, notwithstanding the quantization of the index values), or ...
Magnetic skyrmion
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Molybdenum disulfide monolayers consist of a unit of one layer of molybdenum atoms covalently bonded to two layers of sulfur atoms. While bulk molybdenum sulfide exists as 1T, 2H, or 3R polymorphs, molybdenum disulfide monolayers are found only in the 1T or 2H form. The 2H form adopts a trigonal prismatic geometry whil...
Transition metal dichalcogenide monolayers
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The Department of Computer Science (CS) is located at the Garching campus.
TUM School of Computation, Information and Technology
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In general relativity, to use Einstein's own (translated) words, "the laws of physics must be of such a nature that they apply to systems of reference in any kind of motion. ": 113 This leads to an immediate issue: In accelerated frames, one feels forces that seemingly would enable one to assess one's state of accelera...
Space-time interval
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Many sets defined by a self-similarity condition have dimensions which can be determined explicitly. Roughly, a set E is self-similar if it is the fixed point of a set-valued transformation ψ, that is ψ(E) = E, although the exact definition is given below. Theorem. Suppose ψ i: R n → R n , i = 1 , … , m {\displaystyle ...
Capacity dimension
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Controlling the FDR using the linear step-up BH procedure, at level q, has several properties related to the dependency structure between the test statistics of the m null hypotheses that are being corrected for. If the test statistics are: Independent: F D R ≤ m 0 m q {\displaystyle \mathrm {FDR} \leq {\frac {m_{0}}{m...
False Discovery Rate
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The research conducted at the Institute covers many areas of astronomy and astrophysics, such as supernovae, star formation and galaxy clusters. This work is funded by external organisations, such as the Science and Technology Facilities Council, and the Higher Education Funding Council for England. The institute also ...
Astrophysics Research Institute
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Gene Pool is an artificial life simulation created by Jeffrey Ventrella in 1997. It features physics-based 2D proto-swimming creatures (swimbots) that compete for mates and food.
Gene Pool (software)
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Following the implementation of image generation, NovelAI became a widely-discussed topic in Japan, with some online commentators noting that its image synthesis features are very adept at producing close impressions of anime characters, including lolicon and shotacon imagery, while others have expressed concern that i...
NovelAI
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In the presence of high energy, such as ionizing radiation, the covalent bonds that connect the polymer chains themselves can overcome their forces of attraction to form a pair of free radicals. These radicals then participate in a number of polymerization reactions that fall under the classification of radiation chemi...
Radiation damage
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While the theory E C S T + E x p {\displaystyle {\mathsf {ECST}}+{\mathrm {Exp} }} does not exceed the consistency strength of Heyting arithmetic, adding Excluded Middle gives a theory proving the same theorems as classical Z F {\displaystyle {\mathsf {ZF}}} minus Regularity! Thus, adding Regularity as well as either P...
Intuitionistic set theory
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This theorem may not hold for normed spaces that are not complete. For example, consider the space X of sequences x: N → R with only finitely many non-zero terms equipped with the supremum norm. The map T: X → X defined by T x = ( x 1 , x 2 2 , x 3 3 , … ) {\displaystyle Tx=\left(x_{1},{\frac {x_{2}}{2}},{\frac {x_{3}}...
Bounded inverse theorem
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The history of mathematics is an ever-growing series of abstractions. Evolutionarily speaking, the first abstraction to ever be discovered, one shared by many animals, was probably that of numbers: the realization that, for example, a collection of two apples and a collection of two oranges (say) have something in comm...
Mathematical discipline
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97,389
In most countries, the CPI, along with the population census, is one of the most closely watched national economic statistics. consumer surplus the difference between the maximum price a consumer is willing to pay and the actual price they do pay. If a consumer is willing to pay more for a unit of a good than the curre...
Glossary of economics
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This allows for accurate event reconstruction. New physics is probed by high precision reconstruction of the large sample of Higgs bosons. Alternatively, to reach higher energies, it is necessary to construct a collider even larger than the LHC.
Particle theory
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97,391
3D printing filament is the thermoplastic feedstock for fused deposition modeling 3D printers. There are many types of filament available with different properties.Filament comes in a range of diameters, most commonly 1.75 mm and 2.85 mm, with the latter often being confused with the less common 3 mm. Filament consists...
3D printing filament
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A stereoselective, stereospecific phenol coupling reaction. In: Journal of the American Chemical Society 1971, 93, 551. J. M. Bobbitt, S. J. Huang: A simulated research project in synthetic organic chemistry.
James M. Bobbitt
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One of the problems to solve is the shape or topology of the event horizon during a black-hole merger. In numerical models, test geodesics are inserted to see whether they encounter an event horizon. As two black holes approach each other, a "duckbill" shape protrudes from each of the two event horizons towards the oth...
Binary black hole
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Worldometer, formerly Worldometers, is a reference website that provides counters and real-time statistics for diverse topics. It is owned and operated by a data company Dadax which generates revenue through online advertising. It is available in 31 languages and covers subjects such as government, world population, ec...
Worldometer
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97,395
In theoretical physics, the word meta-operator is sometimes used to refer to a specific operation over a combination of operators, as in the example of path-ordering. A meta-operator is generally neither an operator (a linear transform on the vector space) nor a superoperator (a linear transform on the space of operato...
Meta-operator
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Since stylometry has both descriptive use cases, used to characterise the content of a collection, and identificatory use cases, e.g. identifying authors or categories of texts, the methods used to analyse the data and features above range from those built to classify items into sets or to distribute items in a space o...
Stylometric analysis
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Genetic engineering is a type of intentional genetic modification, which uses biotechnology to alter an organism's genome. According to World Health Organization (WHO), genetically modified organisms are defined as "Organisms (i.e. plants, animals or microorganisms) in which the genetic material (DNA) has been altered ...
Modifications (genetics)
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Sometimes a multiplication sign (×) or a colon (:) is used instead of "x", either in the middle (B:e5) or at the end (Be5:). Some publications, such as the Encyclopaedia of Chess Openings (ECO), omit any indication that a capture has been made; for example, Be5 instead of Bxe5; ed6 instead of exd6 or exd6 e.p. When it ...
Algebraic notation (chess)
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One approach to iterative design is to use the highest level of abstraction for developing an early generation product. The principle here is that rapid development may not produce efficient code, but obtaining feedback is more important than technology optimization. Examples of this approach include use of non-functio...
Iterative design
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