New breakthrough for the kilogram

In this article about new scientific developments to redefine the kilogram and remove its link to a physical object, Ronnie Cohen writes about recent reports about a new scientific breakthrough in getting the most accurate estimate of Avogadro’s constant to date, which can help to redefine the kilogram. These reports have been published in the last few weeks and you can find a list of sources at the bottom of this article.

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Understanding body weight and height in metric units

It was inevitable that the selection of London to host the Olympic Games would bring into focus some of the consequences of the UK’s measurement muddle. Metric Views looks at one aspect, the measurement of body height and weight, measured in metric for athletes, and in imperial for many others following the custom of previous generations.

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