Summary

HandWiki is the world's largest wiki-style encyclopedia dedicated to science, technology and computing. It allows you to create and edit articles as long as you have external citations and login account. In addition, this is a content management environment that can be used for collaborative editing of original scholarly content, such as books, manuals, monographs and tutorials.

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Feit–Thompson Theorem
In mathematics, the Feit–Thompson theorem, or odd order theorem, states that every finite group of odd order is solvable. It was proved by Walter Feit and John Griggs Thompson (1962, 1963).
  • 1.1K
  • 22 Nov 2022
Topic Review
BMW M Coupe
The BMW M Coupe is a shooting-brake styled high-performance automobile produced by BMW. Only two generations of the M Coupe have been manufactured, the original E36/8 Z3 Coupe and the second generation E86 Z4 Coupe.
  • 2.0K
  • 22 Nov 2022
Topic Review
Cataloging
In library and information science, cataloging (US) or cataloguing (UK) is the process of creating metadata representing information resources, such as books, sound recordings, moving images, etc. Cataloging provides information such as creator names, titles, and subject terms that describe resources, typically through the creation of bibliographic records. The records serve as surrogates for the stored information resources. Since the 1970s these metadata are in machine-readable form and are indexed by information retrieval tools, such as bibliographic databases or search engines. While typically the cataloging process results in the production of library catalogs, it also produces other types of discovery tools for documents and collections. Bibliographic control provides the philosophical basis of cataloging, defining the rules for sufficiently describing information resources to enable users to find and select the most appropriate resource. A cataloger is an individual responsible for the processes of description, subject analysis, classification, and authority control of library materials. Catalogers serve as the "foundation of all library service, as they are the ones who organize information in such a way as to make it easily accessible".
  • 3.3K
  • 22 Nov 2022
Topic Review
Sex Differences in Emotional Intelligence
Emotional intelligence (EI) involves using cognitive and emotional abilities to function in interpersonal relationships, social groups as well as manage one's emotional states. It consists of abilities such as social cognition, empathy and reasoning about the emotions of others. Current literature finds women have higher emotional intelligence ability than men based on common ability tests such as MSCEIT and the newer Test of Emotional Intelligence. Reviews, meta-analysis and studies of physiological measures, behavioral tests and brain neuroimaging also support such findings.
  • 2.5K
  • 22 Nov 2022
Topic Review
Lumped Element Model
The lumped element model (also called lumped parameter model, or lumped component model) simplifies the description of the behaviour of spatially distributed physical systems into a topology consisting of discrete entities that approximate the behaviour of the distributed system under certain assumptions. It is useful in electrical systems (including electronics), mechanical multibody systems, heat transfer, acoustics, etc. Mathematically speaking, the simplification reduces the state space of the system to a finite dimension, and the partial differential equations (PDEs) of the continuous (infinite-dimensional) time and space model of the physical system into ordinary differential equations (ODEs) with a finite number of parameters.
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  • 22 Nov 2022
Topic Review
Old Quantum Theory
The old quantum theory is a collection of results from the years 1900–1925 which predate modern quantum mechanics. The theory was never complete or self-consistent, but was rather a set of heuristic corrections to classical mechanics. The theory is now understood as the semi-classical approximation to modern quantum mechanics. The main and final accomplishments of the old quantum theory were the determination of the modern form of the periodic table by Edmund Stoner and the Pauli Exclusion Principle which were both premised on the Arnold Sommerfeld enhancements to the Bohr model of the atom. The main tool of the old quantum theory was the Bohr–Sommerfeld quantization condition, a procedure for selecting out certain states of a classical system as allowed states: the system can then only exist in one of the allowed states and not in any other state.
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  • 22 Nov 2022
Topic Review
Chalicotherium
Chalicotherium (Ancient Greek χαλιξ/khalix, khalik-: pebble/gravel + θηρίον/thērion, diminutive of θηρ/thēr : beast) is a genus of extinct odd-toed ungulates of the order Perissodactyla and family Chalicotheriidae, found in Europe, Africa, Asia, and North America from the Late Oligocene to Early Pliocene, 28.4–3.6 million years ago, existing for approximately 24.8 million years. This animal would look much like other chalicotheriid species: an odd-looking herbivore with long clawed forelimbs and stouter weight-bearing hindlimbs. The type species, Chalicotherium goldfussi, from Miocene and Pliocene Europe, was described by Johann Jakob Kaup in 1833.
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  • 22 Nov 2022
Topic Review
Relations
Relations are ways in which things, the relata, stand to each other. Relations are in many ways similar to properties in that both characterize the things they apply to. Properties are sometimes treated as a special case of relations involving only one relatum. In philosophy (especially metaphysics), theories of relations are typically introduced to account for repetitions of how several things stand to each other.
  • 1.2K
  • 22 Nov 2022
Topic Review
Adhesion
Adhesions are fibrous bands that form between tissues and organs, often as a result of injury during surgery. They may be thought of as internal scar tissue that connects tissues not normally connected.
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  • 22 Nov 2022
Topic Review
Zeppelin LZ 85
The LZ 85 was a World War I R-Class zeppelin of the German Navy with a total length of 198 metres (649 ft 7 in), allocated the tactical numbering L 45. LZ 85 carried out a total of 27 flights including 3 raids on England and 12 reconnaissance missions. LZ 85(LZ55) was also the numbering of the German zeppelin downed in Thessaloniki on 5th May 1916 by the British Navy HMS Agamemnon.
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  • 22 Nov 2022
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