Search results for nist

Optics & Photonics Mar 14, 2024

Researchers develop a new type of frequency comb that promises to further boost the accuracy of timekeeping

Chip-based devices known as frequency combs, which measure the frequency of light waves with unparalleled precision, have revolutionized timekeeping, the detection of planets outside of our solar system and high-speed optical ...

Astronomy Jan 24, 2024

Microwave detectors and multiplexing: Researchers help astronomers examine the early universe

Perched atop a high plateau in Chile's Atacama Desert, a long-awaited observatory is beginning to take shape: the largest suite of ground-based telescopes devoted to studying the oldest light in the universe: radiation left ...

Bio & Medicine Jan 23, 2024

Cells' electric fields keep nanoparticles at bay, scientists confirm

The humble membranes that enclose our cells have a surprising superpower: They can push away nano-sized molecules that happen to approach them. A team including scientists at the National Institute of Standards and Technology ...

Analytical Chemistry Jan 16, 2024

Wear and tear may cause firefighter gear to release more 'forever chemicals'

Last year, a study by the National Institute of Standards and Technology (NIST) showed that the textiles used in protective clothing worn by firefighters often contain per- and polyfluoroalkyl substances, or PFAS, a class ...

Earth Sciences Jan 16, 2024

Team upgrades technology for monitoring methane emissions

Researchers at the National Institute of Standards and Technology (NIST) have upgraded a highly precise technology designed to monitor emissions of methane, a critical greenhouse gas, and other trace gases, even in harsh ...

Analytical Chemistry Dec 20, 2023

Ultra-small, shape-shifting GEMS offer an easier and cheaper way to improve MRI imaging

Microscopic magnetic probes that change shape in response to their environment may greatly enhance magnetic resonance imaging (MRI). However, producing the probes, which are still experimental and have not yet been used in ...

Earth Sciences Dec 4, 2023

National climate assessment offers new insights on community resilience and adaptation

A major weather event such as a hurricane or wildfire can have lasting, visible impacts on communities, but the longer-term, compounding effects of a changing climate can be harder to see. In its contributions to the recently ...

Optics & Photonics Oct 25, 2023

Scientists develop highest-resolution single-photon superconducting camera

Researchers at the National Institute of Standards and Technology (NIST) and their colleagues have built a superconducting camera containing 400,000 pixels—400 times more than any other device of its type.

Condensed Matter Oct 5, 2023

Researchers find a new quantum ruler to explore exotic matter

A single-atom-thick sheet of carbon known as graphene has remarkable properties on its own, but things can get even more interesting when you stack up multiple sheets.

Molecular & Computational biology Sep 28, 2023

New method can better identify sneaky sugars on viruses' spiky weapons

To effectively repel an enemy invasion, it helps to have accurate intelligence about that enemy's weaponry and attack plan. Medical scientists laboring to repel infectious viruses, such as those that cause COVID-19 and HIV, ...

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