16 November 2018 was an important day for science. A meeting was held in Versailles to take a final decision on the International Prototype Kilogram (IPK). What is this all about? Click here to read a fascinating article about the history of the kilogram and other metric units and how standardisation will take place in future.
This is awesome material for teachers and learners. Three more articles are available here, here and here from The Washington Post and The New York Times.