Search results for nist

General Physics Sep 9, 2021

Groundbreaking technique yields important new details on silicon, subatomic particles and possible 'fifth force'

Using a groundbreaking new technique at the National Institute of Standards and Technology (NIST), an international collaboration led by NIST researchers has revealed previously unrecognized properties of technologically ...

General Physics Sep 8, 2021

New laser-based microphone calibration system

Researchers at the National Institute of Standards and Technology (NIST) have conducted the first demonstration of a faster and more accurate way to calibrate certain kinds of microphones.

General Physics Aug 18, 2021

An emberometer could gauge the threat of wildfire-spreading embers

As wildfire fronts advance through landscapes or communities on the ground, they also attack from above, launching volleys of glowing embers into the air. Also known as firebrands, these specks of burning debris can glide ...

General Physics Aug 13, 2021

Neutrons help measure cell membrane viscosity—and reveal its basis

We now have a clearer picture of the lightning-fast molecular dance occurring within the membrane that encloses each cell in our body, revealed in part by neutron beams at the National Institute of Standards and Technology ...

General Physics Aug 5, 2021

This quantum crystal could be a new dark matter sensor

Physicists at the National Institute of Standards and Technology (NIST) have linked together, or "entangled," the mechanical motion and electronic properties of a tiny blue crystal, giving it a quantum edge in measuring electric ...

General Physics Jul 30, 2021

Ultracold transistors serve as their own memory devices

Digital transistors—assembled by the billions in today's computer chips—act as near-perfect electronic switches. In the "on" position, achieved when an above-threshold voltage is applied to the device, the transistor ...

Optics & Photonics Jun 30, 2021

Laser 'comb' systems measure all primary greenhouse gases in the air

Researchers at the National Institute of Standards and Technology (NIST) have upgraded their laser frequency-comb instrument to simultaneously measure three airborne greenhouse gasses—nitrous oxide, carbon dioxide and water ...

General Physics Jun 25, 2021

Method uses radio signals to image hidden and speeding objects

Researchers at the National Institute of Standards and Technology (NIST) and Wavsens LLC have developed a method for using radio signals to create real-time images and videos of hidden and moving objects, which could help ...

Biotechnology Jun 10, 2021

Review of DNA mixture interpretation methods helps assess reliability

The National Institute of Standards and Technology (NIST) has published "DNA Mixture Interpretation: A Scientific Foundation Review." This draft report, which will be open for public comment for 60 days before being published ...

Earth Sciences Jun 7, 2021

CO2 sensors in two urban areas registered big drop in emissions during COVID-19 pandemic

Carbon dioxide emissions in Los Angeles fell 33% in April of 2020 compared with previous years, as roads emptied and economic activity slowed due to the COVID-19 pandemic, according to a new study in Geophysical Research ...

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