Category Archives: Science

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

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The new £50 note

It was announced today that the new polymer £50 note will celebrate the UK’s achievements in science, and will feature a prominent British scientist. Nominations from the public are invited. Likes(9)Dislikes(0)

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Two kinds of country?

We return after a break with a short article from one of our supporters about a recent film release Likes(13)Dislikes(2)

Posted in History, Myths, Science | Tagged , , , | 11 Comments

Energy units – muddle in the making?

It was decided early in the 1990s that the unit for pricing of domestic gas should change from the therm to the kilowatt hour, which is a metric unit but not SI. We ask if this made ‘metric sense’. Likes(20)Dislikes(1)

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The Curiosity rover makes a curious discovery

We take a look at a little-reported discovery made by NASA’s rover during its 2000 days on Mars. Likes(40)Dislikes(3)

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Autumn watched

UKMA has received a message from a viewer of BBC’s ‘Autumn Watch’. This article includes the message and the response. Likes(52)Dislikes(7)

Posted in Education, General, Media, Myths, Science | Tagged , , , , , , , | 13 Comments

Planned upgrades to the SI

We kick off 2017 with an article for metric geeks. Likes(23)Dislikes(0)

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Why ten and not twelve?

This is a question that often arises during discussions on the merits of the metric system. Martin Vlietstra, one of our regular readers, provides some thoughts on the matter, coincidentally on 10 October. Likes(14)Dislikes(13)

Posted in General, History, Science | Tagged , , , | 7 Comments

The flip side of SI

Charlie P, a regular if occasionally critical contributor to MV, promised he would on his return from holiday give his thoughts on “the flip side of the SI as far as the average man in the street is concerned”. These … Continue reading

Posted in Consumer affairs, Education, General, History, Myths, Science, Technical | Tagged , , | 27 Comments

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 … Continue reading

Posted in Consumer affairs, General, History, Science, Technical | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | 9 Comments