Leaders in international measurement will vote today to change the universal definition of the kilogram at the General Conference on Weights and Measures in Versailles. The vote is organised by the ...

SCIENTISTS HAVE SPENT the better part of the past four centuries, since the early days of the Enlightenment, discovering the truth about how the natural world works. A critical part of this endeavor ...

PARIS — A kilogram just isn't what it used to be. The 118-year-old cylinder that is the international prototype for the metric mass, kept tightly under lock and key outside Paris, is mysteriously ...

The official US kilogram — the physical prototype against which all weights in the United States are calibrated — cannot be touched by human hands except in rare circumstances. Sealed beneath a bell ...

It was supposed to be the measurement system for all people, in all places, for all time—one which used the natural world as its basis. But in the centuries since king Louis XVI of France first tasked ...

Technische Universität Ilmenau and the Physikalisch-Technische Bundesanstalt (the National Metrology Institute of Germany) are developing a balance which is required for measuring the redefined ...

It turns out that our scales have been lying to us. Since the kilogram was standardised in 1889, the International Prototype near Paris has lost weight, which means scales and balances the world over ...

A kilogram just isn’t what it used to be. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content. The 118-year-old cylinder that is the international ...

DeskTech has launched a new desktop centrepiece in the form of a Kilogram Prototype to commemorate the change to the IPK which was retired earlier this month on May 20th, 2019. Watch the promotional ...