Search results for nist

General Physics Mar 24, 2021

Study compares three top atomic clocks with record accuracy over both fiber and air

In a significant advance toward the future redefinition of the international unit of time, the second, a research team led by the National Institute of Standards and Technology (NIST) has compared three of the world's leading ...

Optics & Photonics Mar 12, 2021

Fourth-generation wire micrometer that rivals best in the world

Researchers at the National Institute of Standards and Technology (NIST) have developed a dramatically improved laser-based instrument that measures the diameter of fine-gauge wires, fibers and other objects only about three ...

General Physics Mar 9, 2021

A device-independent protocol for more efficient random number generation

Recent advancements in the development of experimental Bell tests have enabled the implementation of a new type of device-independent random number generator. Remarkably, this new type of random number generators can be realized ...

Optics & Photonics Mar 8, 2021

A better way to measure acceleration

You're going at the speed limit down a two-lane road when a car barrels out of a driveway on your right. You slam on the brakes, and within a fraction of a second of the impact an airbag inflates, saving you from serious ...

Environment Feb 8, 2021

New timeline of deadliest California wildfire could guide lifesaving research and action

On a brisk November morning in 2018, a fire sparked in a remote stretch of canyon in Butte County, California, a region nestled against the western slopes of the Sierra Nevada mountains. Fueled by a sea of tinder created ...

Earth Sciences Jan 27, 2021

New report charts path toward superior earthquake recovery

For the last century, seismic building codes and practices have primarily focused on saving lives by reducing the likelihood of significant damage or structural collapse. Recovery of critical functions provided by buildings ...

Quantum Physics Jan 21, 2021

Bringing atoms to a standstill: Researchers miniaturize laser cooling

It's cool to be small. Scientists at the National Institute of Standards and Technology (NIST) have miniaturized the optical components required to cool atoms down to a few thousandths of a degree above absolute zero, the ...

Biotechnology Jan 9, 2021

NIST publishes a beginner's guide to DNA origami

In a technique known as DNA origami, researchers fold long strands of DNA over and over again to construct a variety of tiny 3-D structures, including miniature biosensors and drug-delivery containers. Pioneered at the California ...

General Physics Dec 16, 2020

Team's bigger and better 'tweezer clock' is super stable

JILA physicists have boosted the signal power of their atomic "tweezer clock" and measured its performance in part for the first time, demonstrating high stability close to the best of the latest generation of atomic clocks.

Polymers Dec 10, 2020

Nanocylinder vibrations help quantify polymer curing for 3-D printing

In a step toward making more accurate and uniform 3-D-printed parts such as personalized prosthetics and dental materials, researchers at the National Institute of Standards and Technology (NIST) have demonstrated a method ...

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