Next year, the kilogram will be officially redefined but don’t worry it won’t change how much a kilogram is, only how we actually measure it. The rest of this article is behind a paywall. Please sign ...
Preparing for the redefinition of the kilogram: Together with the Technische Universität Ilmenau, PTB is developing scales that are suitable for industry and can be calibrated without weights Together ...
Morning Overview on MSN
Why scientists killed the old kilogram after 130 years and rewrote the standard
For more than a century, a single metal cylinder in a Paris vault quietly defined what a kilogram was. After 130 years, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results