On May 20, 2010 metrologists all around the world celebrate 135th anniversary of signing The Convention of the Metre (Convention du Metre) — the first intergovernmental treaty concerning scientific and technical collaboration which created the basis of international agreement on units of measurement. The article is dedicated to the World Metrology Day and gives some interesting facts concerning the development and definition of basic metric units.
Author(s): Bryanskiy L.
Issue: KIPiS 2010 #2
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