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 DEFINITION of the kilogram has changed forever, 130 years after it was first established. This change was unanimously voted for at the General Conference on Weights and Measures at the end of last ...

Looking like a museum piece, a replica of the prototype to determine the exact unit of measurement for a kilogram was displayed under glass at the National Institute of Advanced Industrial Science and ...

It’s a problem that has been weighing on scientists’ minds for years – how to redefine and accurately measure the kilogram. Currently the unit of measurement is based on a metal cylinder - which ...

Add articles to your saved list and come back to them any time. It turns out that our scales have been lying to us. Since the kilogram was standardised in 1889, the International Prototype near 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 losing ...

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 ...

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 ...

The 'one kilogram to rule them all' was cast in platinum and iridium in 1879 and is kept in a triple-locked vault THE world says goodbye to the original kilogram on May 20, on World Metrology Day.

After years of nursing a sometimes dusty cylinder of metal in a vault outside Paris as the global reference for modern mass, scientists are updating the definition of the kilogram. Just as the ...

Once a year, a century-old ritual unfolds at the International Bureau of Weights and Measures (BIPM) outside Paris. It takes place in the basement of the BIPM’s main lab building, which houses a vault ...

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 ...