Tuesday 21 May 2019

World Metrology Day

World Metrology Day

World Metrology Day is an event occurring on the 20th of May celebrating the International System of Units.

The date is the anniversary of the signing of the Metre Convention in 1875. Metrology is the study of measurement.

The World Metrology Day project is currently realized jointly by the BIPM and the OIML.

The theme for World Metrology Day this year is, The International System of Units - Fundamentally better.

The theme has been chosen because on 16 November last year, the General Conference on Weights and Measures agreed perhaps one of the most significant revisions to the International System of Units since its inception.

Research into new measurement methods, including those using quantum phenomena, underpin the change.

The International System of Units is now based on a set of definitions each linked to the laws of physics and have the advantage of being able to embrace further improvements in measurement science and technology to meet the needs of future users for many years to come.

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