Author Archives: ronniec

New speed limit in central London

Ronnie Cohen, one of our regular contributors, comments on the introduction on 2 March of a 20mph speed limit on certain roads in London’s Congestion Charging Zone. Likes(8)Dislikes(0)

Posted in Road signs, Transport | Tagged , , , , , , | 8 Comments

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. Likes(12)Dislikes(0)

Posted in General, Health, Road signs | Tagged , , , , , , , | 32 Comments

No surprises in YouGov survey

In 2013, the UK Metric Association (UKMA) commissioned YouGov to conduct a survey into the UK’s measurement muddle. The results were reported on Metric Views at that time. We now look at a follow-up survey carried out two years later. … Continue reading

Posted in General | Tagged , , , , , , | 2 Comments

Email correspondence from the archives

Ronnie Cohen draws attention to an exchange of e-mails between a visitor to the UKMA web site and himself, on behalf of the UKMA Committee. Likes(14)Dislikes(1)

Posted in General, History, Myths, Science | Tagged , , | 10 Comments

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. Likes(17)Dislikes(0)

Posted in Consumer affairs, Technical | Tagged , , | 14 Comments

Muddled measures in car brochures

One of the last bastions of imperial units is our road network and hence car manufacturers’ marketing campaigns. Ronnie Cohen has been looking at some their promotional material. Likes(15)Dislikes(2)

Posted in Consumer affairs, Road signs, Technical, Transport | Tagged , , , , , , , , | 3 Comments

Metric reminders for your holiday

As we approach the summer holiday season, Ronnie Cohen looks at the familiar metric units that we are likely to encounter wherever we go on holiday. And, yes, that includes the USA, although its exceptionalism is likely to provide us with a few problems. … Continue reading

Posted in Consumer affairs, General, Health, Sport, Transport, Views from abroad | Tagged , , , , , , , , | 6 Comments

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 … Continue reading

Posted in Science, Technical | Tagged , , | 2 Comments

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 … Continue reading

Posted in Consumer affairs, Education, General, Uncategorized | Tagged , , , , , | 7 Comments

London speed limits make front page news

Ronnie Cohen, one of our regular contributors, wonders why it  will be easy to find the cash to reduce speed limits in London but has been impossible to convert them to metric. Likes(31)Dislikes(14)

Posted in Road signs, Transport | Tagged , , , , , , , , , , , , , , | 10 Comments