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

An instrument for observing moving bodies by making them visible intermittently and thereby giving them the optical illusion of being stationary. A stroboscope (sometimes called strobe) may operate ...

Multimeter

Science; General science

An instrument designed to measure electrical quantities. A typical multimeter can measure alternating- and direct-current potential differences (voltages), current, and resistance, with several ...

Voltmeter

Science; General science

An instrument for the measurement of the electric potential difference between two conductors. Many different kinds of instruments are available to suit different purposes. Voltages of the order of ...

X-ray telescope

Science; General science

An instrument designed to collect and detect x-rays emitted from a source outside the Earth's atmosphere and to resolve the x-rays into an image. Absorption by the atmosphere requires that x-ray ...

Ionisation chamber

Science; General science

An instrument for detecting ionising radiation by measuring the amount of charge liberated by the interaction of ionising radiation with suitable gases, liquids, or solids. These radiation detectors ...

Sundial

Science; General science

An instrument for telling time by the Sun. It is composed of a style that casts a shadow and a dial plate, which is the surface upon which hour lines are marked and upon which the shadow falls. The ...

Spectrum analyzer

Science; General science

An instrument for the analysis and measurement of signals throughout the electromagnetic spectrum. Spectrum analyzers are available for subaudio, audio, and radio-frequency measurements, as well as ...