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Physical Measurement Laboratory

News and Updates

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NIST Quantum Refrigerator Offers Extreme Cooling and Convenience

March 5, 2013

Researchers at the National Institute of Standards and Technology (NIST) have demonstrated a solid-state refrigerator that uses quantum physics in micro- and

MRI: Contrast Agents of Change

March 5, 2013

Thanks to burgeoning progress in magnetic resonance imaging (MRI), it may soon be possible to track and study, in vivo and in real time, heretofore invisible

New Player in Electron Field Emitter Technology Makes for Better Imaging and Communications

March 5, 2013

Scientists at the National Institute of Standards and Technology (NIST) and the University of Maryland, College Park, have built a practical, high-efficiency

In High Gear: Weights and Measures Week 2013

March 4, 2013

From the fuel for your vehicle to a cab ride to the airport, all kinds of consumer products and services are sold by some measurable quantity. The methods for

Green and Gold: NIST Boulder's New Laboratory Achieves LEED Gold Certification

February 20, 2013

The new Precision Measurement Laboratory (PML) at the National Institute of Standards and Technology (NIST) campus in Boulder, Colo., has received LEED Gold

High Efficiency in the Fastest Single-Photon Detector System

February 19, 2013

A single photon may not seem like much of a catch. But detecting photons one-by-one with near-perfect reliability is formidably difficult. It is also an

NIST Captures Chemical Composition with Nanoscale Resolution

February 12, 2013

Researchers at the National Institute of Standards and Technology (NIST) and the University of Maryland have demonstrated that a new spectroscopy technique can

Gauging the Needs of the Petroleum Industry

February 8, 2013

When he looked at the dramatic increase in his laboratory's thread gauge calibration income – a 50 % increase over last year and a 1000 % increase from 14 years

Calculating Quantum Vacuum Forces in Nanostructures

February 7, 2013

One of the surprising predictions of quantum mechanics is that uncharged conductors can attract each other over small distances, even in empty space. While the

Marlin Kraft adjusts a current shunt connection.

Minimizing Uncertainty in Current Events

January 28, 2013

The electrical power industry – and the equipment makers and calibration laboratories that serve it – need to be able to quantify DC currents of hundreds or

The circular patch of carbon nanotubes on a pink silicon backing is one component of NIST's new cryogenic radiometer, shown with a quarter for scale.

NIST's 'Nanotubes on a Chip' May Simplify Optical Power Measurements

January 24, 2013

The National Institute of Standards and Technology (NIST) has demonstrated a novel chip-scale instrument made of carbon nanotubes that may simplify absolute

DNA and Quantum Dots: All That Glitters is Not Gold

January 24, 2013

A team of researchers at the National Institute of Standards and Technology (NIST) has shown that by bringing gold nanoparticles close to the dots and using a

NIST Accepting Proposals for Fundamental Measurement Grants

January 24, 2013

The National Institute of Standards and Technology (NIST) is soliciting proposals to support significant research in the field of fundamental measurement or the

A Whole New Angle on Neutron Spin Analysis

January 18, 2013

For most Americans, neutron spin-polarization filter cells are a relatively rare topic of conversation. Yet these exotic devices are essential to instruments

Controlling Particles for Directed Self-Assembly of Colloidal Crystals

January 17, 2013

Researchers from the NIST Center for Nanoscale Science and Technology and the Johns Hopkins University have developed a technique to reliably manipulate

Solid state lighting program produces solid benefits

January 9, 2013

A recently published, descriptive case study highlights the benefits of NIST's leadership in developing standards for solid state lighting.* "NIST is making

NIST Patent Could Give 'Lab on a Chip' Technology Long Shelf Life

January 8, 2013

Having blood drawn and analyzed to diagnose disease is a process that can take a few days, but what if your doctor could perform this analysis in moments, right

'Standard Quantum Limit' Smashed, Could Mean Better Fiber-Optic Comms

January 8, 2013

Communicating with light may soon get a lot easier, hints recent research* from the National Institute of Standards and Technology (NIST) and the University of

Using Calorimetry to Estimate Absorbed Dose from CT Scans

December 21, 2012

In the United States, about 80 million x-ray computed tomography (CT) scans are made every year – 7 million of them on children – according to the American

Uses and Users of NIST's Atomic Spectra Database

December 19, 2012

The online Atomic Spectra Database (ASD) provides the most authoritative information about atomic spectra available anywhere, and it is used by researchers

Photons Emitted by Quantum Dots Can be Made Indistinguishable Through Quantum Frequency Conversion

December 19, 2012

An international collaboration led by researchers from the NIST Center for Nanoscale Science and Technology has demonstrated the ability to make photons emitted

JILA Physicists Achieve Elusive 'Evaporative Cooling' of Molecules

December 19, 2012

Achieving a goal considered nearly impossible, JILA physicists have chilled a gas of molecules to very low temperatures by adapting the familiar process by

UV Ray of Hope for Safer Drinking Water

December 19, 2012

A group of researchers from PML's Sensor Science Division is part of a project that will have a direct effect on improved safety of the nation's drinking water

Electron Spin Transport Demonstrated for First Time in an Organic Device

December 14, 2012

Researchers in the Semiconductor and Dimensional Metrology Division's Nanoelectronic Device Metrology (NEDM) Project have demonstrated the first documented case

New Platform Developed to Measure and Exploit Optomechanical Interactions

December 12, 2012

Researchers from the NIST Center for Nanoscale Science and Technology and Caltech have developed a new design platform for measuring and exploiting strong

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