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Everything stays the same: Standard measurement units redefined

May 21, 2019

Scales aren’t changing and the weather won’t be noticeably different, but the definitions that underlie what your scale…
Lock the Planck: the kilogram has a new definition

May 20, 2019

From today, all SI base units will be defined based on natural constants, with the kilogram the last…
Worth the Weight: New International Guidelines Published for Manufacturing Load Cells

April 17, 2018

At the heart of every electronic weighing instrument is a device called a load cell, which takes a…
New Measurement Will Help Redefine International Unit of Mass

July 3, 2017

Using a state-of-the-art device for measuring mass, researchers at the National Institute of Standards and Technology (NIST) have…
Atom-by-Atom Metrology of 2D Crystals in Liquids

August 13, 2016

Two-dimensional materials are emerging as the next generation of electronic materials finding applications from digital logic to light…
A new litmus test for chaos?

July 30, 2015

Does the flap of a butterfly’s wings in Brazil set off a tornado in Texas? This intriguing question…
Hot Off the Lathe: Dimensional Measurements of First Parts of VLOC Pressure Standard

June 3, 2015

Last fall, PML researchers built and tested the first-ever photonic pressure sensor, which makes its measurements using light.…
Modular ultrasound technology made to measure

January 7, 2015

The range of uses for ultrasound is gigantic; the applied technologies are just as diverse. Researchers are now…
Introducing the League of SI Superheroes: The New Champions of Metric

October 7, 2014

To celebrate Metric Week (Oct. 5-11), the National Institute of Standards and Technology would like to introduce you…
Fill ‘er Up: NIST Develops Prototype Meter Test for Hydrogen Refueling Stations

July 22, 2014

To support the fair sale of gaseous hydrogen as a vehicle fuel, researchers at the National Institute of…
Aerosol Contents: How Much Is In That Can?

March 7, 2014

The work of NIST can be found in many unexpected places in American life — including store shelves…
Quantum Voltage Standard Delivered to BIPM

October 18, 2013

A PML team has delivered a state-of-the-art 10 V voltage standard to the International Bureau of Weights and…
Researchers Open Door to Advanced Molecular Electronic Metrology

April 18, 2013

Continued advancements using a NIST-developed molecular-level fabrication technique are leading to new discoveries in the metrology for molecular…
Using Calorimetry to Estimate Absorbed Dose from CT Scans

January 3, 2013

In the United States, about 80 million x-ray computed tomography (CT) scans are made every year – 7…
New Platform Developed to Measure and Exploit Optomechanical Interactions

December 19, 2012

Researchers from the NIST Center for Nanoscale Science and Technology and Caltech have developed a new design platform for measuring and exploiting…
Devices to Measure Temperature (and More) with Light

December 19, 2012

For nearly a century, the instrument of choice for accurate temperature measurements in the range relevant to manufacturing…
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