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Metrology

News and Updates

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World's First Photonic Pressure Sensor Outshines Traditional Mercury Standard

October 29, 2014

For almost 400 years, mercury gauges have prevailed as the most accurate way to measure pressure. Now, within weeks of seeing "first light," a novel pressure

Paul Williams and Joshua Hadler operating the NIST calibration service for high-power lasers.

NIST Launches New Calibration Service for High-Power Lasers

October 29, 2014

The National Institute of Standards and Technology (NIST) has launched a new calibration service for high-power lasers of the sort used by manufacturers for

Trouble with a Capital 'G'

October 27, 2014

NIST has taken part in a new push to address a persistent and growing problem in physics: the value of G. The Newtonian constant of gravitation, used to

Better Diagnostic Imaging for Traumatic Brain Injuries

October 23, 2014

Image-calibration technology designed and developed by scientists at the National Institute of Standards and Technology (NIST) in collaboration with the

NIST Laser Comb System Maps 3D Surfaces Remotely for Manufacturing, Forensics

October 7, 2014

Researchers at the National Institute of Standards and Technology (NIST) have demonstrated a laser-based imaging system that creates high-definition 3D maps of

Introducing the League of SI Superheroes: The New Champions of Metric

October 6, 2014

To celebrate Metric Week (Oct. 5-11), the National Institute of Standards and Technology would like to introduce you to the League of SI Superheroes. The League

Photons by the Numbers

September 25, 2014

A NIST team is at work on what promises to be one of the world's most accurate methods for generating a specified number of photons, and has devised a method to

TOP: Image of fluorescent reference material on microscope. BOTTOM: Charting of microscope control parameters.

How are you establishing long-term measurement assurance in fluorescence microscopy?

September 24, 2014

Would your laboratory or company benefit from having an easy method to track fluorescence microscopy performance? Can you compare your imaging results to those

Calibrating Cancer Radiotherapy Beams Using Light and Sound

September 17, 2014

Doctors shrink tumors with radiation therapy, but a badly calibrated beam can cause serious complications. Scientists in NIST's Radiation Physics Division in

NIST Megacities Carbon Project Named 'Project to Watch' by United Nations

September 15, 2014

A greenhouse gas field measurement research program developed by scientists at the National Institute of Standards and Technology (NIST) and several

Measuring Absorption Maps and Spectra of Plasmonic Resonators with Nanoscale Resolution

September 10, 2014

Researchers from the NIST Center for Nanoscale Science and Technology (CNST) and the University of Maryland have for the first time used photothermal induced

Polonium's Most Stable Isotope Gets Revised Half-Life Measurement

September 9, 2014

Scientists at the National Institute of Standards and Technology (NIST) have determined* that polonium-209, the longest-lived isotope of this radioactive heavy

NIST Team Honored for Work on Military Smartphone Apps, Security

September 3, 2014

National Institute of Standards and Technology (NIST) researchers have earned a 2014 GCN Award for Information Technology Excellence for speeding development

Optical Microscope Technique Confirmed as Valid Nano-Measurement Tool

August 26, 2014

Recent experiments have confirmed* that a technique developed several years ago at the National Institute of Standards and Technology (NIST) can enable optical

EUV Calibrations for Satellite Sensors

August 25, 2014

Thanks to precision calibration measurements recently performed at NIST, satellites may soon be looking at sunlight with new and improved vision. On July 22

It's a Dynamic World, Now NIST Can Help You Measure Its Changes

August 1, 2014

Crash-test dummies, yarn-spinning machines and steel girders in bridges. What do they have in common? Look inside them all and you find transducers, devices

Fill 'er Up: NIST Develops Prototype Meter Test for Hydrogen Refueling Stations

July 21, 2014

To support the fair sale of gaseous hydrogen as a vehicle fuel, researchers at the National Institute of Standards and Technology (NIST) have developed a

A phantom (life-size dummy) in the scanner

Backscatter Body Scan Redux

July 21, 2014

Airline passengers have already said bon voyage to the controversial backscatter x-ray security scanners, pulled from U.S. airports in 2013 over concerns about

High school student Jessica Young checking the packing density of random aggregates of plastic spheres in a cylinder.

Snowballs to Soot: The Clumping Density of Many Things Seems to Be a Standard

June 10, 2014

Particles of soot floating through the air and comets hurtling through space have at least one thing in common: 0.36. That, reports a research group at the

World Metrology Day 2014: Measurements and the Global Energy Challenge

May 19, 2014

The theme of this year's World Metrology Day, " Measurements and the Global Energy Challenge," speaks to one of the defining issues of our time. One that is as

PML Leadership Prominent Throughout Newly Released ITRS

April 24, 2014

When the semiconductor industry received the eagerly awaited annual update of the International Technology Roadmap for Semiconductors (ITRS) [1] at the end of

Now You See It: Electromagnetically Induced Transparency in a Silicon Nitride Optomechanical Crystal

April 9, 2014

Researchers from the NIST Center for Nanoscale Science and Technology (CNST) have observed electromagnetically induced transparency at room temperature and

Developing a 'Gold Standard' for Hall Resistance

April 7, 2014

PML researchers have developed a novel method of fabricating graphene-based microdevices that may hasten the arrival of a new generation of standards for

NIST Gives Astronomers a Better Ruler in the Search for Extrasolar Planets

March 26, 2014

Researchers at the National Institute of Standards and Technology (NIST) have rejuvenated a technique for finding planets near distant stars.* New measurements

Essay: How to Weigh Everything from Atoms to Apples Using the Revised SI

March 26, 2014

Very soon, the International System of Units (SI) may be revised to define the unit of mass in terms of a fixed value of the Planck constant, h. That move would

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