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Displaying 226 - 250 of 391

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...

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...

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...

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...

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...

Quantum Hot Potato: NIST Researchers Entice Two Atoms to Swap Smallest Energy Units

February 23, 2011

BOULDER, Colo.—Physicists at the National Institute of Standards and Technology (NIST) have for the first time coaxed two atoms in separate locations to take...

Etched Quantum Dots Shape Up as Single Photon Emitters, NIST Tests Show

February 22, 2011

Like snowflakes or fingerprints, no two quantum dots are identical. But a new etching method for shaping and positioning these semiconductor nanocrystals might...

Here Comes the Sun: NIST Radio Station WWVH in Hawaii Adds Solar Power

February 15, 2011

The sun is now a significant power source for the National Institute of Standards and Technology (NIST) radio station WWVH, which broadcasts time of day, marine...

Cross-section of a high-temperature superconducting cable design invented at NIST.

Compact High-Temperature Superconducting Cables Demonstrated at NIST

February 10, 2011

A researcher at the National Institute of Standards and Technology (NIST) has invented a method of making high-temperature superconducting (HTS) cables that are...

two red bars: one horizontal and one vertical. Green cones come out of the middle where they intersect.

Quantum Quirk: JILA Scientists Pack Atoms Together to Prevent Collisions in Atomic Clock

February 3, 2011

BOULDER, Colo.—In a paradox typical of the quantum world, JILA scientists have eliminated collisions between atoms in an atomic clock by packing the atoms...

New Wave: JILA Develops Efficient Source of Terahertz Radiation

January 19, 2011

JILA researchers have developed a laser-based source of terahertz radiation that is unusually efficient and less prone to damage than similar systems. The...

Stretching, the Truth: JILA Biophysicists Help Unravel DNA Stretching Mystery

January 19, 2011

Using a new experimental test structure, biophysicists at JILA have unraveled part of a 15-year mystery in the mechanics of DNA—just how the molecule manages to...

NIST Work Highlighted as Top Science News of 2010

January 5, 2011

The top science news of 2010, as compiled by several science magazines, includes several stories from the National Institute of Standards and Technology (NIST)...

Integrated circuit for NIST's new programmable AC/DC 10-volt standard

NIST Ships First Programmable AC/DC 10-Volt Standard

October 26, 2010

Extending its 26-year tradition of innovative quantum voltage standards, researchers at the National Institute of Standards and Technology (NIST) have begun...

JILA Unveils Improved 'Molecular Fingerprinting' for Trace Gas Detection

October 13, 2010

Scientists at JILA and collaborators have demonstrated an improved laser-based "molecular fingerprinting" technique that picks out traces of key hydrogen...

NIST Mini-Sensor Traces Faint Magnetic Signature of Human Heartbeat

October 13, 2010

Researchers from the National Institute of Standards and Technology (NIST) and the German national metrology institute have used NIST's miniature atom-based...

NIST Clock Experiment Demonstrates That Your Head is Older Than Your Feet

September 28, 2010

Scientists have long known that time passes faster at higher elevations—a curious aspect of Einstein's theories of relativity that previously has been measured...

NIST Pair of Aluminum Atomic Clocks Reveal Einstein's Relativity at a Personal Scale

September 23, 2010

BOULDER, Colo. – Scientists have known for decades that time passes faster at higher elevations—a curious aspect of Einstein's theories of relativity that...

Yikes! NIST Sensor Measures Yoctonewton Forces Fast

August 31, 2010

Physicists at the National Institute of Standards and Technology (NIST) have used a small crystal of ions (electrically charged atoms) to detect forces at the...

NIST Researchers Create 'Quantum Cats' Made of Light

August 31, 2010

Researchers at the National Institute of Standards and Technology (NIST) have created "quantum cats" made of photons (particles of light), boosting prospects...

Colorized micrograph of the world's darkest material

Extreme Darkness: Carbon Nanotube Forest Covers NIST's Ultra-dark Detector

August 17, 2010

Harnessing darkness for practical use, researchers at the National Institute of Standards and Technology (NIST) have developed a laser power detector coated...

JILA Frequency Comb System Detects Gas Impurities to Aid Semiconductor Manufacturing

August 3, 2010

Purity of ingredients is a constant concern for the semiconductor industry, because a mere trace of contaminants can damage or ruin tiny devices. In a step...

Nano 'Pin Art': NIST Arrays Are Step Toward Mass Production of Nanowires

July 21, 2010

Researchers at the National Institute of Standards and Technology (NIST) have cultivated many thousands of nanocrystals in what looks like a pinscreen or "pin...

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