Assertion: metric system's unit | /r/HasProperty | take
Facets:
value: from the units of electromagnetism
type: OTHER
value: from the natural world
type: LOCATION
Source sentences:
text: Natural units are physical units of measurement defined in terms of universal physical constants in such a manner that selected physical constants take on the numerical value of one when expressed in terms of those units.
text: The basic units were taken from the natural world: the unit of length, the metre, was based on the dimensions of the Earth, and the unit of mass, the kilogram, was based on the mass of water having a volume of one litre or a cubic decimetre.
text: Natural units are physical units of measurement defined in terms of universal physical constants in such a manner that selected physical constants take on the numerical value of one when expressed in terms of those units.
text: [it] (AEI) that this system, extended with a fourth unit to be taken from the units of electromagnetism, be used as an international system.