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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, ...

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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 ...

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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 ...

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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 ...

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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 ...

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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 ...

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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 ...

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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 ...

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Long-Sought Workaround to Helium Shortage?

Neutron Detection Method

12-Jun-2018

Doctors use X-rays to see inside people, and scientists use neutrons to peer inside advanced materials and devices such as fuel cells to better understand and improve them. But a critical shortage of a rare form of helium used for detecting neutrons—which are difficult to spot directly—threatens ...

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Psst! A whispering gallery for light boosts solar cells

17-Apr-2018

Trapping light with an optical version of a whispering gallery, researchers at the National Institute of Standards and Technology (NIST) have developed a nanoscale coating for solar cells that enables them to absorb about 20 percent more sunlight than uncoated devices. The coating, applied with a ...

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