The national standard kilogram

Diamond Geezer reflects on a visit to see the national standard kilogram, the UK’s copy of the block of metal that officially defines how much a kilogram weighs. Highly interesting and informative — not least because I didn’t realise the definition of a kilogram is about to be updated, making the international prototype redundant.

Tags:

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Webmentions (learn more about webmentions):