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145 Current news of National Institute of Standards and Technology
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NIST Study Identifies Chemical Blends as Possible Alternative Refrigerants
31-May-2019
More than a dozen chemical blends could serve as alternative refrigerants that won’t heat the atmosphere as much as today’s refrigerants do, or catch fire, according to a new computational study by the National Institute of Standards and Technology (NIST). The NIST study identified the 22 “best” ...
Researchers boost intensity of nanowire LEDs
26-Mar-2019
Nanowire gurus at the National Institute of Standards and Technology (NIST) have made ultraviolet light-emitting diodes (LEDs) that, thanks to a special type of shell, produce five times higher light intensity than do comparable LEDs based on a simpler shell design. Ultraviolet LEDs are used in a ...
Simulations Suggest Graphene Can Stretch to Be a Tunable Ion Filter
28-Nov-2018
Researchers at the National Institute of Standards and Technology (NIST) have conducted simulations suggesting that graphene, in addition to its many other useful features, can be modified with special pores to act as a tunable filter or strainer for ions (charged atoms) in a liquid. The concept, ...
Making plastic production more energy efficient - with MOFs
30-Oct-2018
An innovative filtering material may soon reduce the environmental cost of manufacturing plastic. Created by a team including scientists at the National Institute of Standards and Technology (NIST), the advance can extract the key ingredient in the most common form of plastic from a mixture of ...
A new way to measure nearly nothing
Prototype design uses ultracold trapped atoms to measure pressure
23-Oct-2018
Many semiconductor fabricators and research labs are under increasing pressure from, of all things, vacuum. These facilities need to remove greater amounts of gas molecules and particles from their setups as new technologies and processes demand lower and lower pressures. For example, the vacuum ...
New method measures 3D polymer processing precisely
11-Oct-2018
Recipes for three-dimensional (3D) printing, or additive manufacturing, of parts have required as much guesswork as science. Until now. Resins and other materials that react under light to form polymers, or long chains of molecules, are attractive for 3D printing of parts ranging from ...
Scratching more than the surface of auto coatings
Improved tests go "deeper"
24-Sep-2018
Know that sickening feeling when you exit the grocery store and find your car has been banged up by a runaway shopping cart? It may one day be just a bad memory if auto body manufacturers make use of a new suite of tests developed by the National Institute of Standards and Technology (NIST) and ...
A novel graphene quantum dot structure takes the cake
27-Aug-2018
In a marriage of quantum science and solid-state physics, researchers at the National Institute of Standards and Technology (NIST) have used magnetic fields to confine groups of electrons to a series of concentric rings within graphene, a single layer of tightly packed carbon atoms. This tiered ...
Connecting the (Nano)dots
Big-picture thinking can advance nanoparticle manufacturing
24-Aug-2018
Nanoparticle manufacturing, the production of material units less than 100 nanometers in size (100,000 times smaller than a marble), is proving the adage that “good things come in small packages.” Today’s engineered nanoparticles are integral components of everything from the quantum dot ...
Trapping ions in graphene
Simulating simple logic for nanofluidic computing
02-Jul-2018
Invigorating the idea of computers based on fluids instead of silicon, researchers at the National Institute of Standards and Technology (NIST) have shown how computational logic operations could be performed in a liquid medium by simulating the trapping of ions (charged atoms) in graphene (a ...
