Taking Measure Blog: Mass metrology

Mass metrology

NIST Chief Metrologist Jim Olthoff stands in front of equipment in a lab.

Keepers of the Right Answer: Why Measurements at NIST Are Important for the Nation and the World

September 11, 2024

Practically everything you use in your everyday life works because of measurement science.

A researcher wearing a lab coat uses tongs to place a silvery sphere into a large scientific device as another researcher looks on.

One of the World’s Roundest Objects Is Helping to Build a Better Mass Measurement

July 17, 2024

Different countries' approaches can lead to different definitions of the kilogram. But NIST is working with our international partners to see how we can close

Measurement in the Movies

March 6, 2024

The nominees are in … for the best use of measurement in a movie.

A Scientific Christmas Tale

December 19, 2023

’Twas the night before Christmas; NIST staff had gone home. Our director was left to reflect all alone. She thought about NIST and the breadth of its work, from

A Lego structure wired to various electronic readout devices stands on a wooden counter surrounded by other scientific equipment. A sign on the concrete wall behind reads "No Turkeys Allowed."

How Lego Bricks Shaped My Career at NIST

September 7, 2022

Leon Chao explains how the popular toys inspired the first tabletop version of an ultraprecise measurement machine.

From 1901 to 2021: Measurements Then and Now

March 3, 2021

A lot has changed at the National Institute of Standards and Technology (NIST) in the past 120 years. For one thing, we were known as the National Bureau of

‘The Last Artifact’ Brings Metrology to TV

September 10, 2020

Remember that documentary you saw that finally explained metrology and why measurements are critical to practically every aspect of modern life? Yeah, neither

The 'Gang of Five' and the SI Revolution

May 20, 2019

Although I grew up in Brooklyn, New York, I was never a gang member there. My gang membership came much later and in an entirely unexpected way. No, more

The Case for Building Beautiful Instruments

March 26, 2019

I discovered my affinity for attractive instruments while working a job previous to my coming to NIST. My boss then had a love affair with the common hose clamp

Top NIST Images of 2018

February 6, 2019

There’s nothing quite like a captivating image to make you want to learn more. And nowhere is that more apparent than when it comes to sometimes hard-to

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