Major shake-up of the SI

One of our regular contributors, Ronnie Cohen, has followed up on Martin Vlietstra’s article about the “new kilogram”, with a summary of the forthcoming changes to SI. It proved difficult to create some of the symbols used by SI in the text editor used by Metric Views, and readers who require the full story may wish to visit https://www.bipm.org .

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The kilogram weight

The redefinition of the kilogram takes effect in two weeks time. To mark the event, Martin Vlietstra, one of our frequent contributors, looks at the “old” and “new” versions of this international standard.

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Hybrids, old and new

We have come across two examples of hybrid measures, and speculate if these might help in those countries struggling with the transition from old to new measures.

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How British metallurgists helped to make the first international kilogram

We reported a few weeks ago on the redefinition of the kilogram. In this article, Martin Vlietstra, one of our regular contributors, outlines Britain’s contribution to the creation of the prototype kilogram upon which the definition had relied since 1889.

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Think metric – don’t convert

The editor remembers this slogan from his time in the UK construction industry in the early 1970’s. Almost half a century later, Ronnie Cohen gives real-world examples of metric quantities that may help those who are not as familiar with metric units as they might wish.

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The kilogram rejuvenated

For readers who may have missed the news from Versailles amidst the current Brexit hullabaloo, we pass on a link to an article published by the BBC. This  explains in laymen’s terms the long-awaited redefinition of the SI base unit of mass.

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Is perfect the enemy of good?

Recent experience in France and Greece and a comment last week by Charlie P on this site has prompted us to ask if it would be better if supporters of metric measures were less pedantic.

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The new £50 note

It was announced today that the new polymer £50 note will celebrate the UK’s achievements in science, and will feature a prominent British scientist. Nominations from the public are invited.

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Imperial echoes in GBBO

A headline in The Independent caused us cause for concern, if only briefly.

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Two kinds of country?

We return after a break with a short article from one of our supporters about a recent film release Continue reading

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Posted in History, Myths, Science | Tagged , , , | 13 Comments