How much is a kilogram? 1,000 grams. 2.20462 pounds. Or 0.0685 slugs based on the old Imperial gravitational system. But where does this amount actually come from and how can everyone be sure they are ...

The kilogram — anywhere in the world, for any purpose — is based on the exact weight of a golf-ball-sized chunk of platinum and iridium stored under three glass bell jars in a vault in an ornate ...

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 ...

Project Avogadro seeks to change the definition of a kilogram from the weight of a hunk of metal that currently resides in France to a measurement based on fundamental constants (like every other unit ...

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 ...

A kilogram is a kilogram, right? … right? Well, yes and no. For over a century, the kilogram has been defined by a cylinder of platinum and iridium housed in a super secure vault in Paris. Copies of ...