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

Postural equilibrium

Science; General science

A lifeless object is said to be in equilibrium, or in a state of balance, when all forces acting upon it cancel. The result is a state of rest. In an actively moving animal, internal as well as ...

Eyepiece

Science; General science

A lens or optical system which offers to the eye the image originating from another system (the objective), at a suitable viewing distance. The image can be virtual.

Cellulose

Science; General science

A linear polymer of (1→4)-linked β- D -glucopyranosyl units, and the most abundant of all naturally occurring substances. Cellulose constitutes approximately a third of all vegetable matter and ...

Squall line

Science; General science

A line of thunderstorms, near whose advancing edge squalls occur along an extensive front. The thundery region, 12–30 mi (20–50 km) wide and a few hundred to 1250 mi (2000 km) long, moves at a ...

A link in several kinds of mechanisms. Usually one end of a connecting rod is intended to follow a circular path, while the other end follows a path along a straight line or a curve of large radius. ...

Deoxyribonucleic acid (DNA)

Science; General science

A linear polymer made up of a specific sequence of deoxyribonucleotide repeating units linked by 3′,5′-phosphodiester bonds; it is the carrier of genetic information. The set of DNA molecules that ...

Gyrator

Science; General science

A linear, passive, two-port electric circuit element whose transmission properties are such that it is effectively a half wavelength longer for one direction of transmission than for the other ...