May 20: World Metrology Day | Daily Current Affairs 2021

May 20: World Metrology Day

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World Metrology Day is celebrated annually on May 20 across the globe.

  • On this day in 1875, the Metre Convention was signed by representatives of seventeen nations by which the International Bureau of Weights and Measures was formed.
  • The Convention set the framework for global collaboration in the science of measurement and in its industrial, commercial, and societal applications.
  • The original aim of the Metre Convention – the worldwide uniformity of measurement – remains as important today as it was in 1875.

Note: Metrology is a study of measurement.

  • The World Metrology Day project is realized jointly by the Bureau of Weights and Measures (BIPM) and the International Organization of Legal Metrology (OIML) with the participation of the national organizations responsible for metrology.

Theme of 2021:

  • The theme of 2021 is “Measurement for Health”. This theme was chosen to create awareness of the important role measurement plays in health, and thus in the wellbeing of everyone.

Important Info:

  • In 16 November 2018, the General Conference on Weights and Measures agreed to one of the most significant revisions to International System of Units (the SI) since its inception.
  • The Research into new measurement methods, including those using quantum phenomena, justifies the change made.
  • The International System of Units (SI) is now based on a set of definitions each linked to laws of physics and have advantage of being able to accept further improvements in measurement science and technology (S&T) to meet needs of future users for coming years.

Importance of Metrology:

  • Metrology plays a crucial role in scientific discovery and innovation, international trade and industrial manufacturing, in enhancing the quality of life, and in guarding the global environment.

About BIPM:

  • The International Bureau of Weights and Measures is an intergovernmental organization, through which its 59 member-states act together on measurement standards in four areas: chemistry, ionizing radiation, physical metrology, and co-ordinated universal time.
  • The BIPM was created on 20 May 1875, following the signing of the Metre Convention, a treaty among 17 Member States.
  • As of November 2018 there are now 59 members.
  • It is based at the Pavillon de Breteuil in Saint-Cloud, France.
  • The current director of BIPM is Dr Martin J.T.Milton

About OIML:

  • The International Organization of Legal Metrology (OIML) is an intergovernmental organization.
  • It was established under a diplomatic treaty signed in Paris on 12 October 1955 to promote the global harmonization of legal metrology procedures that underpin and facilitate international trade.
  • It is headquartered in Paris, France.

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