Si units of physics

M etrology, the science of measurement, is part of the essential but largely hidden infrastructure of the modern world. We need it for high-technology manufacturing, human health and safety, the protection of the environment, global climate studies, information transfer and the basic science that underpins all these. Highly accurate measurements are no longer the preserve of only the physical sciences and engineering. The International System of Units, the SI (Système International…

The International System of Units is the modern form of the metric system and is generally a system devised around the convenience of the number ten.

SI – International System: The International System of Units, or SI,is a decimal and metric system of units established in 1960 and periodically updated since then. The SI was established and is maintained by the General Conference on Weights and Measures (CGPM)

Learn about the seven SI base units of measurement. Get their abbreviations and learn how they are defined.

Pixabay Fundamental Quantity A fundamental quantity is a quantity from which other quantities may be derived; for example, length...

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