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

Temporary structure (engineering)

Science; General science

A structure erected to aid in the construction of a permanent project. Temporary structures are used to facilitate the construction of buildings, bridges, tunnels, and other above- and below-ground ...

Beam

Science; General science

A structural member that is fabricated from metal, reinforced or prestressed concrete, wood, fiber- reinforced plastic, or other construction materials and that resists loads perpendicular to its ...

Transmission lines

Science; General science

A system of conductors suitable for conducting electric power or signals between two or more termini. Transmission lines take many forms in practise and have application in many disciplines. For ...

Endocrine system (vertebrate)

Science; General science

A system of chemical communication among cells. The classical vertebrate endocrine system consists of a group of discrete glands that secrete unique products (hormones) into the bloodstream. These ...

Supergranulation

Science; General science

A system of convective cells, called supergranules, with diameters of about 30,000 km (20,000 mi) and lifetimes of 1 or 2 days, which cover the visible disc of the Sun, the photosphere. Smaller ...

Gas discharge

Science; General science

A system made up of a gas, electrodes, and an enclosing wall in which an electric current is carried by charged particles in response to an electric field, the gradient of the electric potential, or ...

Snow line

Science; General science

A term generally used to refer to the elevation of the lower edge of a snow field. In mountainous areas, it is not truly a line but rather an irregular, commonly patchy border zone, the position of ...