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Physical Measurement Laboratory

News and Updates

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National Conference on Weights and Measures Annual Meeting Set for July 17-21, 2011

June 7, 2011

Preventing fraud at oil-change services and enabling consumers to make value comparisons when shopping for printer ink will be among the many issues discussed...

NIST 'Catch and Release' Program Could Improve Nanoparticle Safety Assessment

June 7, 2011

Depending on whom you ask, nanoparticles are, potentially, either one of the most promising or the most perilous creations of science. These tiny objects can...

NIST/Industry Developed Temperature Tracking Device for Packages May Have Climate Metrology Applications

June 7, 2011

National Institute of Standards and Technology (NIST) researchers are working to reduce the uncertainty associated with climate-change measurements using a...

CNST Director Robert Celotta Elected Member-at-Large of the APS Forum on Industrial and Applied Physics

June 1, 2011

CNST Director Robert Celotta has been elected as a Member-at-Large of the American Physical Society (APS) Forum on Industrial and Applied Physics (FIAP). FIAP...

CNST Researchers Develop Integrated Nanomechanical Sensor for Atomic Force Microscopy

June 1, 2011

The atomic force microscope (AFM) is an important tool for nanoscale surface metrology. Typical AFMs map local tip-surface interactions by scanning a flexible...

Mark Stiles Elected Vice-Chair of the American Physical Society Magnetism Group

May 25, 2011

Mark Stiles, a NIST Fellow in the CNST Electron Physics Group, has been elected Vice-Chair of the American Physical Society (APS) Topical Group on Magnetism and...

Defect in Graphene May Present Bouquet of Possibilities

May 24, 2011

A class of decorative, flower-like defects in the nanomaterial graphene could have potentially important effects on the material's already unique electrical and...

Graph shows the NIST detector's linear increase in frequency as a function of time

The Secret Behind NIST's New Gas Detector? Chirp Before Sniffing

May 10, 2011

Trace gas detection, the ability to detect a scant quantity of a particular molecule—a whiff of formaldehyde or a hint of acetone—in a vast sea of others...

Photo of an advanced laser in the back of a car

Drive Test: NIST Super-stable Laser Shines in Minivan Experiment

May 10, 2011

In a step toward taking the most advanced atomic clocks on the road, physicists at the National Institute of Standards and Technology (NIST) have designed and...

Photo of NIST physicist Jun Ye with his strontium atomic clock

NIST/JILA Physicist Jun Ye Elected to National Academy of Sciences

May 10, 2011

Physicist Jun Ye, a Fellow of the National Institute of Standards and Technology (NIST) and a Fellow of JILA, a joint institute of NIST and the University of...

NIST's Charles Clark Named Co-Director of the Joint Quantum Institute

May 10, 2011

Physicist Charles Clark of the National Institute of Standards and Technology (NIST) has been named a co-director of the Joint Quantum Institute (JQI), a...

Center for Nanoscale Science and Technology Releases 2010 Biennial Report

May 9, 2011

The NIST Center for Nanoscale Science and Technology (CNST) is pleased to announce the publication of its 2010 Report. This Report updates the state of the CNST...

New Calculations on Blackbody Energy Set the Stage for Clocks with Unprecedented Accuracy

May 6, 2011

A team of physicists from the United States and Russia announced today that it has developed a means for computing, with unprecedented accuracy, a tiny...

Good Eggs: NIST Nanomagnets Offer Food for Thought About Computer Memories

April 26, 2011

Magnetics researchers at the National Institute of Standards and Technology (NIST) colored lots of eggs recently. Bunnies and children might find the eggs a bit...

Two Graphene Layers May Be Better Than One

April 26, 2011

Researchers at the National Institute of Standards and Technology (NIST) have shown that the electronic properties of two layers of graphene vary on the...

NIST/JILA Physicist Wins Optical Society's Meggers Award

April 12, 2011

Steven Cundiff, a physicist at the National Institute of Standards and Technology (NIST), has received the 2011 William F. Meggers Award from the Optical...

Sharpened Focus: Improving the Numbers, Utility of Medical Imaging

April 12, 2011

The idea of probing the body's interior with radiation stretches back to experiments with X rays in the 1800s, but more than a century later, images taken with...

Collage of images from NIST museum of voltage standards.

Celebrating Superconductivity: NIST Debuts Online Museum of Quantum Voltage Standards

March 30, 2011

On April 8, 2011, the scientific community will celebrate the centennial of the discovery of superconductivity—the ability of certain materials to conduct...

NIST physicist Samuel Benz with the two components that are compared in the first electronic measurement of the Boltzmann constant.

A Measurement First: NIST 'Noise Thermometry' System Measures Boltzmann Constant

March 30, 2011

Researchers at the National Institute of Standards and Technology (NIST) have for the first time used an apparatus that relies on the "noise" of jiggling...

The First Non-Trivial Atom Circuit: Progress towards an Atom SQUID

March 30, 2011

Researchers from the National Institute of Standards and Technology (NIST) and the University of Maryland (UM) have created the first nontrivial "atom circuit,"...

Charge It: Neutral Atoms Made to Act Like Electrically Charged Particles

March 30, 2011

Completing the story they started by creating synthetic magnetic fields, scientists from the Joint Quantum Institute (JQI), a collaboration of the National...

NIST to Cosponsor Conference in France on Nanoelectronics Metrology

March 15, 2011

Registration is now open for the eighth international Frontiers of Characterization and Metrology for Nanoelectronics conference, cosponsored by the National...

Colorized micrograph of NIST's aluminum drum

NIST Electromechanical Circuit Sets Record Beating Microscopic 'Drum'

March 9, 2011

BOULDER, Colo.—Physicists at the National Institute of Standards and Technology (NIST) have demonstrated an electromechanical circuit in which microwaves...

CNST Researchers Use Spin Waves to Measure Magnetic Polarization of Electrical Current

March 7, 2011

In the hard drive industry, the rapid growth of storage density has been propelled in part by developments in the sensors used to read the magnetic "bits" on...

ultracold gas of nearly 200,000 rubidium-87 atoms

JQI Physicists Demonstrate Coveted 'Spin-Orbit Coupling' for the First Time in Ultracold Atomic Gases

March 2, 2011

GAITHERSBURG, Md.—Physicists at the Joint Quantum Institute (JQI), a collaboration of the National Institute of Standards and Technology (NIST) and the...

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