Legal position on metric social distance signs

Now that we have all become accustomed to metric social distance signs, it might be a good time to look at their legality, which some have questioned. Ronnie Cohen has investigated and reports his conclusions.

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Micro metric measurements in everyday products

SI is capable of measuring anything from the tiniest particles to the largest objects in the universe. While it may sound technical and scientific, there are practical benefits of tiny measurements in some everyday products. Here, Ronnie Cohen takes a look.

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International comparisons of social distancing measures

Following on from his article about social distancing in the UK (Metric Views, 16 April), Ronnie Cohen now considers the contribution of the global measurement system to understanding the pandemic.

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