is a senior reporter who has covered AI, robotics, and more for eight years at The Verge. Update, May 20th, 2019, 10AM ET: This article was originally published in November 2018. As of May 20th, 2019, ...

VERSAILLES, France — The international system of measurements has been overhauled with new definitions for the kilogram and other key units. At a meeting in Versailles, France, countries have voted to ...

The NIST-4 Kibble balance, an electromagnetic weighing machine that is used to measure Planck's constant, and in turn, redefine the kilogram. Jennifer Lauren Lee / NIST Locked in a vault that requires ...

It has been used as a standard unit of weight measurement since the time of the French revolution, based on the precise mass of a lump of metal held in Paris. But the kilogram may be about to be given ...

Scientists from around the world are gathering in France today to decide the fate of the kilogram. For nearly 130 years, the kilogram has been based on a lump of metal called the Big K, locked in a ...

Metrology, the branch of science dedicated to measurement, has created better and better systems of measurement for the kilogram based on fundamental principles rather than arbitrary chunks of metal ...

VERSAILLES, France (AP) — In a historic vote, nations unanimously approved Friday a ground-breaking overhaul to the international system of measurements, coming together in a way that they fail to do ...

You may have never heard of the solid metal cylinder known as Le Grand K, but it's most definitely impacted your life in countless ways. Le Grand K is kept in Paris, where it's been for over 120 years ...

If John Pratt were an international criminal mastermind, he would fly to Paris, don an all-black suit and ski mask and sneak into the elegant French baroque building that serves as headquarters for ...

A kilo is a kilo is a kilo, right? Wrong. Monday marks World Metrology Day, and this year’s edition sees a big change in the way the kilogram unit is defined. In November last year, scientists and ...