General science

General science

A variety of science subjects concerning the fundamental knowledge about different aspects of our world and their underlying principles.

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General science

Gaviiformes

Science; General science

A small order of aquatic birds that contains a single living family, the Gaviidae (loons), with five species restricted to the Northern Hemisphere, and a fossil family, the Colymboididae.

Thermoelectric power generator

Science; General science

A solid-state heat engine which employs the electron gas as a working fluid. It directly converts heat energy into electrical energy using the Seebeck effect. This phenomenon can be demonstrated ...

A solution is at the saturation point when dissolved solute in it crystallises from it at the same rate at which it dissolves. Under prescribed experimental conditions of temperature and pressure, a ...

Polyhedron

Science; General science

A solid whose boundary consists of a finite number of polygonal faces, that is, planar regions that are bounded by polygons. The sides of the faces are edges of the polyhedron; the vertices of the ...

Transistor

Science; General science

A solid state device involved in amplifying small electrical signals and in processing of digital information. Transistors act as the key element in amplification, detection, and switching of ...

Quasicrystal

Science; General science

A solid with conventional crystalline properties but exhibiting a point-group symmetry inconsistent with translational periodicity. Like crystals, quasicrystals display discrete diffraction ...

Varactor

Science; General science

A solid-state device which has a capacitance that varies with the voltage applied across it. The name varactor is a contraction of the words variable and reactor. Typically the device consists of a ...