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In geometry, a torus (pl.: tori or toruses) is a surface of revolution generated by revolving a circle in three-dimensional space one full revolution about...

Galliformes /ˌɡælɪˈfɔːrmiːz/ is an order of heavy-bodied ground-feeding birds that includes turkeys, chickens, quail, and other landfowl. Gallinaceous...

Dynastinae or rhinoceros beetles are a subfamily of the scarab beetle family (Scarabaeidae). Other common names – some for particular groups of rhinoceros...

Granularity (also called graininess) is the degree to which a material or system is composed of distinguishable pieces, "granules" or "grains" (metaphorically)...

High-level design (HLD) explains the architecture that would be used to develop a system. The architecture diagram provides an overview of an entire system...

A charge pump is a kind of DC-to-DC converter that uses capacitors for energetic charge storage to raise or lower voltage. Charge-pump circuits are capable...

Database theory encapsulates a broad range of topics related to the study and research of the theoretical realm of databases and database management systems...

In mathematics, a unipotent element r of a ring R is one such that r − 1 is a nilpotent element; in other words, (r − 1)n is zero for some n. In particular...

The gas-cooled fast reactor (GFR) system is a nuclear reactor design which is currently in development. Classed as a Generation IV reactor, it features...

Cryochemistry is the study of chemical interactions at temperatures below −150 °C (−238 °F; 123 K). It is derived from the Greek word cryos, meaning 'cold'...

Prediction by partial matching (PPM) is an adaptive statistical data compression technique based on context modeling and prediction. PPM models use a set...

The European green toad (Bufotes viridis) is a species of true toad found in steppes, mountainous areas, semi-deserts, urban areas and other habitats in...

The Opel Diplomat is a luxury car manufactured by Opel from 1964 to 1977. Opel's top-ranging models were traditionally the Admiral and Kapitän, introduced...

The fire-bellied toads are a group of six species of small frogs (most species typically no longer than 1.6 in or 4.1 cm) belonging to the genus Bombina...

In mathematics — specifically, in the fields of probability theory and inverse problems — Besov measures and associated Besov-distributed random variables...

The Antilles Air Command is a disbanded United States Army Air Forces unit. Its last assignment was with Sixth Air Force, based at Borinquen Field, Puerto...

Ralph Emerson (1912–1979) was an American botanist, academic, and professor at the University of California, Berkeley who made contributions to the fields...

The Syrian woodpecker (Dendrocopos syriacus) is a member of the woodpecker family, the Picidae. The Syrian woodpecker was first described as Picus syriacus...

Leptopelis vermiculatus, also known as the peacock tree frog, Amani forest treefrog, or vermiculated tree frog, is a species of frog found in forest areas...

The JOHNNIAC was an early computer built by the RAND Corporation (not Remington Rand, maker of the contemporaneous UNIVAC I computer) and based on the...