Measuring Mass: The Last Artefact

Measuring Mass: The Last Artefact
Measuring Mass: The Last Artefact - Just outside Paris, inside a hi-tech vault, and encased in three vacuum-sealed bell jars, rests a small metallic cylinder about the diameter of a golf ball. It may not look like much, but it is one of the most important objects on the planet.


https://hdclump.com/measuring-mass-the-last-artefact/

Popular posts from this blog

James Martin's French Adventure ep.4

James Martin's French Adventure ep.5

James Martin's French Adventure ep.8