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 .

Continue reading “Major shake-up of the SI”

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.

Continue reading “How British metallurgists helped to make the first international kilogram”

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.

Continue reading “Think metric – don’t convert”