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Displaying 301 - 325 of 391

NIST Finds Radiation Contamination in Lab Sink

June 17, 2008

Boulder, Colo. – Re-entering the sealed laboratory room where a small plutonium spill occurred on June 9, National Institute of Standards and Technology (NIST)...

Additional Trace Contamination Found in NIST-Boulder Lab

June 13, 2008

Boulder, Colo.-- Additional trace amounts of contamination have been found in the office and a nearby stairway used by a laboratory researcher originally...

NIST Chemists Get Scoop on Crude 'Oil' from Pig Manure

June 10, 2008

After a close examination of crude oil made from pig manure, chemists at the National Institute of Standards and Technology (NIST) are certain about a number of...

Photograph of circuit used in NIST's Johnson noise thermometry system.

NIST's Novel 'Noise Thermometry' May Help Redefine International Unit of Temperature

June 10, 2008

After seven years of work, researchers at the National Institute of Standards and Technology (NIST) have built a system that relies on the "noise" of jiggling...

Low-Level Plutonium Sample Involved in NIST-Boulder Lab Incident

June 10, 2008

Boulder, Colo.- On Monday afternoon, June 9, researchers in a laboratory room at the Commerce Department's National Institute of Standards and Technology (NIST)...

Electronics engineer Dennis Camell aligns antennas in an old California silica mine for a NIST study identifying optimal frequencies for radio signal transmissions in tunnels.

Emergency Links: NIST Identifies 'Sweet Spot' for Radios in Tunnels

May 13, 2008

As part of a project to improve wireless communications for emergency responders, researchers at the National Institute of Standards and Technology (NIST) have...

Record-setting Laser May Aid Searches for Earthlike Planets

May 13, 2008

Scientists at the University of Konstanz (Germany) and the National Institute of Standards and Technology (NIST) have demonstrated an ultrafast laser that...

The NIST terahertz imaging system reveals slight temperature differences, as shown in this post-processed image.

Prototype Terahertz Imager Promises Biochem Advances

April 15, 2008

Researchers at the National Institute of Standards and Technology (NIST) have demonstrated a new imaging system that detects naturally occurring terahertz...

Colorized micrograph of a NIST chip combining four micro-refrigerators with a superconducting sensor

NIST Micro Sensor and Micro Fridge Make Cool Pair

April 15, 2008

Researchers at the National Institute of Standards and Technology (NIST) have combined two tiny but powerful NIST inventions on a single microchip, a cryogenic...

NIST Finds 'Metafilms' Can Shrink Radio, Radar Devices

March 18, 2008

Recent research at the National Institute of Standards and Technology (NIST) has demonstrated that thin films made of "metamaterials"—manmade composites...

NIST 'Quantum Logic Clock' Rivals Mercury Ion as World's Most Accurate Clock

March 6, 2008

BOULDER, Colo.—An atomic clock that uses an aluminum atom to apply the logic of computers to the peculiarities of the quantum world now rivals the world's most...

Prototype microchip device combining NIST's miniature atomic magnetometer with a fluid channel

'NMR on a Chip' Features NIST Magnetic Mini-Sensor

February 19, 2008

A super-sensitive mini-sensor developed at the National Institute of Standards and Technology (NIST) can detect nuclear magnetic resonance (NMR) in tiny samples...

Collaboration Helps Make JILA Strontium Atomic Clock ‘Best in Class’

February 14, 2008

BOULDER, Colo.— A next-generation atomic clock that tops previous records for accuracy in clocks based on neutral atoms has been demonstrated by physicists at...

NIST Building Facility for Hydrogen Pipeline Testing

January 23, 2008

Efforts to create a "hydrogen economy" to reduce U.S. oil imports will get a boost from a new laboratory at the National Institute of Standards and Technology...

JILA Solves Problem of Quantum Dot 'Blinking'

January 23, 2008

Quantum dots—tiny, intense, tunable sources of colorful light—are illuminating new opportunities in biomedical research, cryptography and other fields. But...

NIST Imaging System Maps Nanomechanical Properties

December 12, 2007

The National Institute of Standards and Technology (NIST) has developed an imaging system that quickly maps the mechanical properties of materials—how stiff or...

This time code generator, built by NIST staff,

NIST Helps Beam Time to TV Viewers in the Middle East

December 12, 2007

Millions of satellite television and radio users in North Africa and the Middle East can now see and hear the precise time of day, thanks to technical...

Electron micrograph of a NIST-grown nanowire with a high "quality factor" vibrating more than 1 million times per second.

'High Q' NIST Nanowires May be Practical Oscillators

November 27, 2007

Nanowires grown at the National Institute of Standards and Technology (NIST) have a mechanical "quality factor" at least 10 times higher than reported values...

Illustration of NIST's new mini-magnetometer

New NIST Mini-Sensor May Have Biomedical and Security Applications

November 1, 2007

Boulder, Colo. – A tiny sensor that can detect magnetic field changes as small as 70 femtoteslas—equivalent to the brain waves of a person daydreaming—has been...

illustration of NIST's modified field-effect transistor

New Quantum Dot Transistor Counts Individual Photons

October 11, 2007

A transistor containing quantum dots that can count individual photons (the smallest particles of light) has been designed and demonstrated at the National...

Artist's rendition of the NIST superconducting quantum computing cable.

Digital Cable Goes Quantum: NIST Debuts Superconducting Quantum Computing Cable

September 26, 2007

BOULDER, Colo.— Physicists at the National Institute of Standards and Technology (NIST) have transferred information between two "artificial atoms" by way of...

JILA Finds Flaw in Model Describing DNA Elasticity

September 13, 2007

DNA, the biomolecule that provides the blueprint for life, has a lesser-known identity as a stretchy polymer. JILA scientists have found a flaw in the most...

Colorized micrograph of a silicon micro-cantilever

'Radio Wave Cooling' Offers New Twist on Laser Cooling

September 13, 2007

Visible and ultraviolet laser light has been used for years to cool trapped atoms—and more recently larger objects—by reducing the extent of their thermal...

NIST Measures Challenges for Wireless in Factories

August 30, 2007

Factories have much to gain from wireless technology, such as robot control, RFID tag monitoring, and local-area network (LAN) communications. Wireless systems...

Illustration of a nano-layerof Ruthenium in a magnetic sensors

Nano-layer of Ruthenium Stabilizes Magnetic Sensors

August 3, 2007

A layer of ruthenium just a few atoms thick can be used to fine-tune the sensitivity and enhance the reliability of magnetic sensors, tests at the National...

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