Two-metre social distancing is well understood

We are now several weeks into the lockdown to contain the spread of coronavirus (also known as COVID-19). Ronnie Cohen, one of our frequent contributors, looks at a particular aspect of government advice – social distancing.

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1819 – a massacre and a missed opportunity

This article looks at the first report of the Commissioners appointed early in the nineteenth century to consider weights and measures. It gives examples of the reasons why the Commission was appointed, comments on some of its recommendations, and then speculates on an alternative outcome had the Commission taken a different view.

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Watch “Decimalisation (1970)” on YouTube

Our last article, on the subject of the decimal currency changeover in 1971, attracted several comments from our readers, one of which drew to attention to a film relating to the event. For technical reasons, it is not possible to post this after the original article, and so the Editor has decided to feature it in a new post.

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Our common measurement language

One of the most important, and perhaps surprising, human achievements during the nineteen and twentieth centuries was the adoption around the world of a common language of measurement. Ronnie Cohen provides an illustration of the benefits this can bring.

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