“The signatory states of the Metre Convention represent about 98% of the world’s economy, so the SI is the very basis of international trade, constituting a global measurement quality infrastructure through the national metrology institutes.”
Nature — The new system of units (January 7 2016)
The SI system after the redefinition: Dependence of base unit definitions on physical constants with fixed numerical values and on other base units that are derived from the same set of constants.
On November 16 2018, the 26th General Conference on Weights and Measures (CGPM) voted unanimously in favour of revised definitions of the SI base units. The new definitions will come into force on May 20 2019. Have you noticed that in the “great Western democracies”, important decisions are almost never debated and very seldom reported by the media? Follow us on Twitter: @INTEL_TODAY
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It is arguably the most significant redefinition of an SI unit since the second was recalculated in 1967, a decision that helped ease communication across the world via technologies like GPS and the internet.
Since 1889, a kilogram has been defined by a shiny lump of platinum-iridium kept in a special glass case and known as the International Prototype of the Kilogram. It is housed at the headquarters of the International Bureau of Weights and Measures (whose French acronym is BIPM), just outside Paris.
Members of the BIPM, which groups some 60 nations, agreed on Friday after a week-long meeting at the nearby Palace of Versailles to redefine a kilogram in terms of a tiny but unchanging value called the “Planck constant”.
They also voted to update definitions for the ampere (electrical current), the kelvin (thermodynamic temperature) and the mole (amount of a substance). [REUTERS]
In 2008/2009, I told a few students that Colombia should join the Treaty of the Meter. A few days later, a young man came to see me and asked if I could meet his father at the Colombian Senate.
I agreed and eventually gave a short lecture explaining why it was important for the Colombian senators to sign this important Treaty. They actually listened to me… Colombia became a member State of the Meter Convention in 2013. In Bogotá, a few people still remember me as “the man who brought the meter” to their country.
When I returned to Belgium, I discovered with horror that this Failed State had actually introduced — in blatant violation of the Treaty — their own unit of the Electric Field (the “Brussels Volt/meter”) in order to hide serious criminal activities.
Who cares? After all, Brussels is just the capital of Europe and home to thousands of diplomats. If you are serious about investigating the Havana syndrome, I suggest you start in Brussels.
REFERENCES
The new system of units — Nature
2019 redefinition of SI base units — Wikipedia
How much does a kilogram weigh? Depends on your ‘Planck constant’ — Reuters
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Havana Syndrome — A Quiet Revolution [May 20 2019]
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