This four minute US Department of Commerce video is a little "gee-whiz" but makes an important point: the world's measurement system is about to become much more precise.
A vote to be taken in Versailles on 16 November will probably redefine all the metric measurements to be based on scientifically derived constants rather than against samples held in vaults.
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"A journey of a thousand miles starts with one step" --Chinese philosopher Laozi. Likewise epics can be built out of tiny scribblings. In early 2012, I wandered Europe writing posts on what I found interesting for friends. By the end I had written the equivalent of a 1000-page book. My readers had journeyed with me and so did not ask: "how was it?" Instead we discussed what it meant. I continue scribbling. Mastodon
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