The U.S. National Institute of Standards and Technology called this Friday a “turning point for humanity,” even though the difference between this day and the day before weighs, theoretically, nothing ...

The other day, I did something I am dispatched to do every now and then: bought a kilo of basmati rice. It came nicely packaged in a sealed bag. It feels about what I think a kilogram should feel like ...

Sealed under a trio of nested glass bell jars, a gleaming metal cylinder sits in a temperature-controlled vault in the bowels of the International Bureau of Weights and Measures in Sèvres, France.

VERSAILLES, France -- In a historic vote, more than 50 nations unanimously approved an overhaul of the international measurement system that underpins global trade and other human endeavors, uniting ...

When news breaks, you need to understand what actually matters. At Vox, our mission is to help you make sense of the world — and that work has never been more vital. But we can’t do it on our own. We ...

The International Committee for Weights and Measures is about to reach a decision that could affect the teaching and understanding of basic science for the next hundred years. It has passed a ...

Mass is a property of matter which is not dependent on the temperature of the object in space. The SI unit of mass is kilogram (kg). The prototypes of the International standard kilogram is available ...

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, ...