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Search News by Ronald Cowen

Displaying 26 - 50 of 96

Manipulating Multiple Lasers on a Single Chip: Paving the Way for a New Generation of Quantum Devices

April 10, 2023

Researchers at the National Institute of Standards and Technology (NIST) have developed chip-scale devices for simultaneously manipulating the color, focus

NIST’s NanoFab Reopens its Doors to Universities, Industry, and Research Institutions

April 3, 2023

In the Lilliputian world of nanofabrication, where billions of microscopic circuit elements are sculpted or imprinted on a fingernail-sized silicon chip

Sounding Out a New Way to Measure Gas Flow

March 31, 2023

Researchers at NIST have developed a new — and sound — way to accurately measure the rate at which gas flows in and out of a vessel. The technique, which uses

Improved Chip-Scale Color Conversion Lasers Could Enable Many Next-generation Quantum Devices

March 28, 2023

In two new studies, researchers at the National Institute of Standards and Technology (NIST) have greatly improved the efficiency and power output of a series

Chip Circuit for Light Could Be Applied to Quantum Computations

January 3, 2023

The ability to transmit and manipulate the smallest unit of light, the photon, with minimal loss, plays a pivotal role in optical communications as well as

Superconducting Nanowire Single-Photon Detector

Unveiling the Universe: In 4 New Studies, NIST Explores Novel Ways to Hunt Dark Matter

December 8, 2022

For decades, astronomers and physicists have been trying to solve one of the deepest mysteries about the cosmos: An estimated 85% of its mass is missing.

Entering a New Phase: NIST Technique Simultaneously Locates Multiple Defects on Microchip Circuits

November 3, 2022

Defective computer chips are the bane of the semiconductor industry. Even a seemingly minor flaw in a chip packed with billions of electrical connections might

Research on the Rocks: Combining Neutrons and X-Ray Imaging, NIST Scientists Study Meteorites to Explore the Mystery of How Earth Acquired Its Water

November 3, 2022

Each year, hundreds of meteorites — rocky bodies left over from the formation of the solar system — bombard Earth, delivering minerals, metals and water to our

nucleic acid nanotechnology illustration

A Revolution Still in the Making: NIST Researchers Chart the Future of Nucleic Acid Nanotechnology

October 27, 2022

Trapped in a microscopic cage made of strands of DNA, molecules of a life-saving drug course through the bloodstream of a cancer patient. Only when receptors on

Star Light, Star Bright … But Exactly How Bright?

September 22, 2022

A picture may be worth a thousand words, but for astronomers, simply recording images of stars and galaxies isn’t enough. To measure the true size and absolute

No Fib: NIST Unmasks a Superfast Process for Nanoscale Machining

August 23, 2022

Cutting intricate patterns as small as several billionths of a meter deep and wide, the focused ion beam (FIB) is an essential tool for deconstructing and

Calibrating the Universe: Behind the Scenes, NIST Scientists Play a Critical Role in Improving Gravitational Wave Measurements

August 2, 2022

Space-time ripples, exploding stars, colliding black holes …. and the National Institute of Standards and Technology? NIST doesn’t exactly come to mind when

NIST Researchers Develop Miniature Lens for Trapping Atoms

August 1, 2022

Atoms are notoriously difficult to control. They zigzag like fireflies, tunnel out of the strongest containers and jitter even at temperatures near absolute

Out of the Shadows: New Imaging Method Reveals Concealed Objects

July 19, 2022

A new way of imaging concealed objects, devised by a researcher at the National Institute of Standards and Technology (NIST) and his colleagues, might take all

Now Hear This!

June 30, 2022

Researchers at the National Institute of Standards and Technology (NIST) have designed and built an optical device that could set a new standard for measuring

$diffraction grating$

‘Exceptional’ Research: Unexpected Light Behavior May Be Harnessed to Improve Optical Communications and Sensors

April 21, 2022

Shine a flashlight into murky pond water and the beam won’t penetrate very far. Absorption and scattering rapidly diminishes the intensity of the light beam

Inspired by Prehistoric Creatures, NIST Researchers Make Record-Setting Lenses

April 19, 2022

Five hundred million years ago, the oceans teemed with trillions of trilobites — creatures that were distant cousins of horseshoe crabs. All trilobites had a

Not Letting It Slip By: NIST Discovery Could Increase Accuracy in Measuring Blood Flow for Cancer Diagnosis, Other Applications

March 22, 2022

Researchers at the National Institute of Standards and Technology (NIST) have discovered a potential source of error when using acoustic waves to measure the

Scientists Greatly Expand the Frequencies Generated by a Miniature Optical Ruler

February 23, 2022

Like a vocal coach who extends the octave range of an opera singer, researchers at the National Institute of Standards and Technology (NIST) have expanded by

NIST Researchers Link Cutting-Edge Gravity Research to Safer Operation of Construction Cranes

February 17, 2022

In the beginning, all that Stephan Schlamminger wanted to do was to write down an equation that would help him obtain a more precise value for G, the

Hybrid Optical Device Captures Light for Longer Periods of Time in a Tiny Region

February 9, 2022

Researchers at the National Institute of Standards and Technology (NIST) and their colleagues have significantly improved the ability of a type of optical

Strobe Light for 5G: NIST Imaging System Spotlights the Tiny Mechanical Hearts at the Core of Every Cellphone

February 4, 2022

Inside every cellphone lies a tiny mechanical heart, beating several billion times a second. These micromechanical resonators play an essential role in

NIST Researchers Resurrect and Improve a Technique for Detecting Transistor Defects

February 3, 2022

Researchers at the National Institute of Standards and Technology (NIST) have revived and improved a once-reliable technique to identify and count defects in

Sneezes, Rain Clouds and Ink Jets: NIST Improves the Ability of Optical Microscopes to Measure the Volume of Microdroplets

December 20, 2021

Sneezes, rain clouds, and ink jet printers: They all produce or contain liquid droplets so tiny it would take several billion of them to fill a liter bottle

Impeding the Impedance: Research Reveals How to Design a Better Next-Generation Lithium-Ion Battery

November 16, 2021

The newest generation of lithium-ion batteries now under development promises a revolution in powering cell phones, electric vehicles, laptops and myriad other