Questions tagged [units]

A unit is a quantity chosen as a standard in terms of which other quantities may be represented. Examples include Joules, Moles, Seconds, etc.

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Did the French ever use the decimal time in science?

Have you ever seen a scientific paper/document that uses the decimal time introduced during the French Revolution? I'm not looking for any paper that uses decimal time like in astronomy, but instead ...
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Why does the US keep survey miles and feet?

The United States adopted the international mile and foot in 1959, but for some reason they decided to keep alongside the older units as survey mile and survey foot. These units are almost equal to ...
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Where did the notation for dimensions of a quantity come from?

The current SI Brochure defines the dimension of a certain physical quantity as something separate from its units, and treated in detail in its §2.3.3: This is, by now, pretty bread-and-butter ...