Category Archives: Science

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 … Continue reading

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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

Leading us to the 18th century

Martin Vlietstra, one of our regular contributors, offers his thoughts on an early pronouncement by the newly-appointed Leader of the House of Commons. Likes(24)Dislikes(4)

Posted in General, History, Science, Technical | Tagged , | 16 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

The kilogram weight

The redefinition of the kilogram takes effect in two weeks time. To mark the event, Martin Vlietstra, one of our frequent contributors, looks at the “old” and “new” versions of this international standard. Likes(20)Dislikes(2)

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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(23)Dislikes(0)

Posted in Consumer affairs, Science | Tagged , , , | 12 Comments

Two kinds of country?

We return after a break with a short article from one of our supporters about a recent film release Likes(26)Dislikes(2)

Posted in History, Myths, Science | Tagged , , , | 13 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(31)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(46)Dislikes(3)

Posted in Science, Uncategorized | Tagged , , , , | 4 Comments