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Displaying 351 - 375 of 391

Record-breaking Detector May Aid Nuclear Inspections

March 14, 2006

Boulder, Colo.—Scientists at the Commerce Department's National Institute of Standards and Technology (NIST) have designed and demonstrated the world's most

Stable Polymer Nanotubes May Have a Biotech Future

February 2, 2006

Scientists at the National Institute of Standards and Technology (NIST) have created polymer nanotubes that are unusually long (about 1 centimeter) as well as

colorized micrograph of three tunable gates

New Design for Transistors Powered by Single Electrons

February 2, 2006

Scientists have demonstrated the first reproducible, controllable silicon transistors that are turned on and off by the motion of individual electrons. The

Enhanced LIDAR Improves Range, Vibration Measures

February 2, 2006

Scientists at the National Institute of Standards and Technology (NIST) have demonstrated the use of an ultrafast laser "frequency comb" system for improved

Simulation Program Predicts Resistivity in Nanodevices

January 17, 2006

As nanoscale circuits continue to shrink, electrical resistivity increases in the wiring and limits the maximum circuit speed. A new simulation program

An instrument called GAMS4, originally designed and built at NIST and now located at Institut Laue Langevin in France

Einstein Was Right (Again): Experiments Confirm that E= mc²

December 21, 2005

GAITHERSBURG--Albert Einstein was correct in his prediction that E=mc 2, according to scientists at the Massachusetts Institute of Technology (MIT), the

NIST Physicists Coax Six Atoms into Quantum 'Cat' State

November 30, 2005

BOULDER, Colo. – Scientists at the Commerce Department's National Institute of Standards and Technology (NIST) have coaxed six atoms into spinning together in

The NIST "transition-edge sensor" is made of layers of molybdenum and copper with a coating of bismuth to increase the X-ray stopping power.

Copper Ridges Nearly Double X-ray Sensor Performance

November 17, 2005

A series of copper ridges nearly doubles the resolution of experimental X-ray sensors, enabling more precise identification of the X-ray "fingerprints" of

orange patterned background with two candy corn-looking peaks and whiter ridges around the peaks

Like Fireflies and Pendulum Clocks, Nano-oscillators Synchronize Their Behavior

September 14, 2005

BOULDER, Colo.—Like the flashing of fireflies and ticking of pendulum clocks, the signals emitted by multiple nanoscale oscillators can naturally synchronize

Physicist Richard Steiner adjusts the electronic kilogram, an experimental apparatus for defining mass in terms of the basic properties of nature.

NIST Improves Accuracy of 'Watt Balance' Method for Defining the Kilogram

September 13, 2005

GAITHERSBURG, MD—A leading experimental method for defining the kilogram in terms of properties of nature is now more accurate than ever, scientists at the

NIST Demonstrates Better Memory with Quantum Computer Bits

August 10, 2005

Physicists at the National Institute of Standards and Technology (NIST) have used charged atoms (ions) to demonstrate a quantum physics version of computer

JILA Study of RNA Dynamics May Help in Drug Design

July 13, 2005

Biophysicists have developed a method for studying, in real time, a nanoscale “docking and undocking” interaction between small pieces of ribonucleic acid (RNA)

Predicting the Lifetime of Extreme UV Optics

July 13, 2005

Extreme ultraviolet lithography (EUVL) may be the next-generation patterning technique used to produce smaller and faster microchips with feature sizes of 32

New Design Developed for Silicon Nanowire Transistors

June 30, 2005

In an advance for nanoscale electronics, researchers at the National Institute of Standards and Technology (NIST) have demonstrated a new design for silicon

New NIST Method Improves Accuracy of Spectrometers

June 16, 2005

Measurements of the intensity of light at different wavelengths can be made more accurately now, thanks to a new, simple method for correcting common instrument

Micrograph of four NIST single photon detectors

NIST Photon Detectors Have Record Efficiency

June 2, 2005

Sensors that detect and count single photons, the smallest quantities of light, with 88 percent efficiency have been demonstrated by physicists at the National

This colorized image shows the fluorescence from three trapped beryllium ions illuminated with an ultraviolet laser beam.

NIST Demonstrates Key Step in Use of Quantum Computers for Code-Breaking

May 12, 2005

Boulder, Colo.—A crucial step in a procedure that could enable future quantum computers to break today's most commonly used encryption codes has been

NIST Fellow Elected to National Academy of Sciences

May 5, 2005

WASHINGTON,D.C. — Deborah S. Jin, a physicist and fellow of the U.S. Department of Commerce's National Institute of Standards and Technology (NIST), has been

colorized scanning electron micrograph shows a cube of germanium attached to a membrane.

Chip-scale Refrigerators Cool Bulk Objects

April 21, 2005

Chip-scale refrigerators capable of reaching temperatures as low as 100 milliKelvin have been used to cool bulk objects for the first time, researchers at the

Noisy Pictures Tell a Story of 'Entangled' Atoms, JILA Physicists Find

March 22, 2005

Patterns of noise—normally considered flaws—in images of an ultracold cloud of potassium provide the first-ever visual evidence of correlated ultracold atoms, a

Quantum Computers May Be Easier to Build Than Predicted, NIST Work Suggests

March 2, 2005

Boulder, Colo.— A full-scale quantum computer could produce reliable results even if its components performed no better than today's best first-generation

NIST Unveils Atom-based Standards for Measuring Chip Features Under 50 Nanometers

February 24, 2005

Gaithersburg, MD--Device features on computer chips as small as 40 nanometers (nm) wide—less than one-thousandth the width of a human hair—can now be measured

Replace Kilogram Artifact Now With Definition Based on Nature, Experts Say

February 14, 2005

London, Feb. 14, 2005—It's time to replace the 115-year-old kilogram artifact as the world's official standard for mass, even though experiments generally

Experiments Prove Existence of Atomic Chain 'Anchors'

February 3, 2005

Atoms at the ends of self-assembled atomic chains act like anchors with lower energy levels than the "links" in the chain, according to new measurements by

A NIST-developed, carbon nanotube-coated pyroelectric detector that may improve thermal conductivity and resistance to laser damage.

Laser Applications Heat Up for Carbon Nanotubes

January 26, 2005

Carbon nanotubes—a hot nanotechnology with many potential uses—may find one of its quickest applications in the next generation of standards for optical power

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