Kilogram
The world says goodbye to the original kilogram
The world says goodbye to the original kilogram today, on World Metrology Day, after representatives from around the world voted to base the kilogram...
The world’s definition of the kilogram is forever changed
To make a milestone in the science of measurement, representatives from 60 nations voted to redefine the International System of Units (SI), changing the...
Redefining the kilogram: A turning point for humanity
The kilogram is the base unit of mass in the International System of Units (SI), and is defined as being equal to the mass...