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

Pyroxene

Science; General science

A large, geologically significant group of dark, rock-forming silicate minerals. Pyroxene is found in abundance in a wide variety of igneous and metamorphic rocks. Because of their structural ...

Palaeonisciformes

Science; General science

A large, extinct assemblage of primitive ray-finned (actinopterygian) fishes known from the Silurian to Cretaceous, which were most numerous in Carboniferous and Permian times. They are known as ...

A large-scale imaging and redshift survey which, when complete, will map in detail over one quarter of the sky, determining the positions and brightness of over 100 million celestial objects and the ...

Single-atom laser

Science; General science

A laser that uses a single atom as its gain medium was first realised in 1994. This laser uses a low-density beam of barium atoms traversing a small optical resonator with highly reflective mirrors. ...

Electrical breakdown

Science; General science

A large, usually abrupt rise in electric current in the presence of a small increase in electric voltage. Breakdown may be intentional and controlled or it may be accidental. Lightning is the most ...

Chronometer

Science; General science

A large, strongly built watch especially designed for precise timekeeping on ships at sea. The name is sometimes loosely applied to any fine watch.

Lead systems integrator

Science; General science

A lead systems integrator (LSI) is an organisation (or set of organizations) that has been tasked to oversee the development and integration of system components for either a large, complex system or ...