Curbing the kilogram’s weight-loss programme – BBC News

More on the “scandalous” story about the original kilogram losing weight and needing the BIPM to find a better definition that an old physical lump of metal. Spoiler: It’s nearly been settled that a new definition will be agreed in terms of the Planck constant and two silicon-28 spheres… 


Curbing the kilogram’s weight-loss programme – BBC News