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Metrology

News and Updates

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Disseminating the Kilogram, No Strings Attached

August 24, 2012

The impending redefinition of the kilogram presents a weighty dilemma. Methods to be used to realize the redefined kilogram are based on the Planck constant and...

Researchers Track Nanoparticle Dynamics in Three Dimensions

August 1, 2012

Researchers from the NIST Center for Nanoscale Science and Technology have used three-dimensional single-particle tracking to measure the dynamic behavior of...

A close-up photo of the center of the experimental set-up. The small transparent chamber that holds the ultracold rubidium atoms is surrounded by a dotted line.

Simulating Superconductors with a Touch of Disorder

July 26, 2012

Since their discovery in 1986, high-temperature (high-Tc) superconductors have been the subject of intense interest to researchers. But the mechanism behind the...

NIST Measurement Advance Could Speed Innovation in Solar Devices

July 25, 2012

A new versatile measurement system devised by researchers at the National Institute of Standards and Technology (NIST) accurately and quickly measures the...

MEMS Reference Material: Tiny Dimensions, Big Impact

July 23, 2012

Over the past two decades, microelectromechanical systems (MEMS) have become ubiquitous, with applications in cell phones, ink-jet printers, accelerometers and...

Measurement Science and Standards in Forensics Firearms Analysis Conference

July 9, 2012

The National Institute of Standards and Technology (NIST) in collaboration with The Association of Firearm and Tool Mark Examiners (AFTE) and the Scientific...

NIST Goes the Distance for the Olympics

June 27, 2012

In yet another Olympian feat of measurement, researchers at the National Institute of Standards and Technology (NIST) recently calibrated a tape that will be...

JILA Frequency Comb Helps Evaluate Novel Biomedical Decontamination Method

June 14, 2012

Like many new measurement tools, the laser frequency comb seemed at first a curiosity but has found more practical uses than originally imagined. The technique...

NIST Launches New Website to Educate Industry About Alternatives to Mercury Thermometers

June 12, 2012

As part of a larger effort to reduce the amount of mercury, a potent neurotoxin, in the environment, the National Institute of Standards and Technology (NIST)...

NIST Effort Could Improve High-Tech Medical Scanners

June 12, 2012

A powerful color-based imaging technique is making the jump from remote sensing to the operating room—and a team of scientists* at the National Institute of...

man sits on a chair in front of a power meter

Laser Radiometry: Powering Up

June 11, 2012

"If you made a long distance phone call or sent an email today, or if you're wearing clothes, then you are benefiting directly from our laser services," says...

Looking At and Into the Ultra-Small

June 8, 2012

NIST is taking a huge step into the ultra-small with the Precision Imaging Facility (PIF) now being outfitted in new Precision Measurement Laboratory on the...

Picture of the results of the Standard Test Method for Measuring the Ignition Strength of Cigarettes (ASTM E2187)

Nationwide Adoption of NIST-Developed Test Predicted to Cut Death Toll Due to Cigarette-Caused Fires

May 29, 2012

In 2003, New York became the first state requiring cigarettes sold within its borders to pass a fire safety standard based on a test developed by the National...

NIST engineer Kate Remley holds two Personal Alert Safety System (PASS) devices with wireless alarm capability.

Improving Safety Measures and Measures of Safety for World Metrology Day 2012

May 17, 2012

World Metrology Day celebrates the signing of the Treaty of the Meter on May 20, 1875.* By signing the treaty, representatives from 17 nations, including the...

New Point for Dew Point

May 10, 2012

Peter Huang of the Sensor Science Division's Temperature and Humidity group has devised a new humidity generator that enables dew-point measurements up to 98 °C...

New Vacuum Calibration System: Better, Faster, and Cheaper

May 8, 2012

In the vacuum business, less is more—except when it comes to accuracy. Industries that depend on high-quality, carefully monitored vacuum for sensitive...

Teaching the Next Generation of Scientists: PML Reaches out at USA Science and Engineering Festival

May 7, 2012

For the second consecutive year, PML played a major role in NIST's contributions to the Science and Engineering Festival in Washington DC. The annual event...

Beaming Up on the Way to Space

May 7, 2012

Space may be the final frontier. But often a few trips to PML are necessary before things can get off the ground. One recent case in point is the test of an...

Petroleum Volume: Getting Calibrations in the Can

May 7, 2012

The volume of oil and oil products moving through America's pipelines, waterways, roads, and rails borders on the unimaginable. "Look at it this way," says John...

NIST Mini-sensor Measures Magnetic Activity in Human Brain

April 19, 2012

A miniature atom-based magnetic sensor developed by the National Institute of Standards and Technology (NIST) has passed an important research milestone by...

Hyperspectral Imaging: Shedding New Light on Wound Healing

April 9, 2012

Clinicians who treat severe wounds may soon have powerful new diagnostic tools in the form of hyperspectral imaging (HSI) devices, calibrated to new NIST...

Schematic diagram of the fast light experiment.

First, Fast, and Faster

April 6, 2012

Scientists in PML's Quantum Measurement Division have produced the first superluminal light pulses made by using a technique called four-wave mixing, creating...

Micromechanical Mirror Performs Under Pressure...Of Light

April 6, 2012

A team of scientists from PML's Quantum Measurement Division has designed and tested a novel device [1] that may lead to substantial progress in the new and...

This colorized photo shows trap cleaning in progress.

Argon Cleaning Helps Trapped Ions Chill Out

February 27, 2012

The reliability of trapped-ion quantum information systems – a promising candidate technology for an eventual quantum computer – can be dramatically improved by...

Shopper's Special: NIST Seeking Consumer, Industry Input on Unit Pricing Labels

February 21, 2012

The Office of Weights and Measures (OWM) of the National Institute of Standards and Technology (NIST) is seeking volunteers to participate in a workgroup that...

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