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

A means of producing chemical changes through reactions at electrodes in contact with an electrolyte by the passage of an electric current. Electrolysis cells, also known as electrochemical cells, ...

Seawater fertility

Science; General science

A measure of the potential ability of seawater to support life. Fertility is distinguished from productivity, which is the actual production of living material by various trophic levels of the food ...

Spread spectrum communication

Science; General science

A means of communicating by purposely spreading the spectrum (frequency extent or bandwidth) of the communication signal well beyond the required bandwidth of the data modulation signal. Spread ...

Videotelephony

Science; General science

A means of simultaneous, two-way communication comprising both audio and video elements. Participants in a video telephone call can both see and hear each other in real time. Videotelephony is a ...

Data structure

Science; General science

A means of storing a collection of data. Computer science is in part the study of methods for effectively using a computer to solve problems, or in other words, the entire process of determining ...

Moment of inertia

Science; General science

A measure of the "opposition to rotation" around a fixed axis that a rigid body presents to a torque applied about that axis. The concept is used in analysing the dynamics of systems in which ...

Focal length

Science; General science

A measure of the collecting or diverging power of a lens or an optical system. Focal length, usually designated f ′ in formulas, is measured by the distance of the focal point (the point where ...