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Low-cost technique converts bulk alloys to oxide nanowires

23-Jan-2017

A simple technique for producing oxide nanowires directly from bulk materials could dramatically lower the cost of producing the one-dimensional (1D) nanostructures. That could open the door for a broad range of uses in lightweight structural composites, advanced sensors, electronic devices - and ...

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'Spooky' sightings in crystal point to extremely rare quantum spin liquid

07-Dec-2016

Inside a new exotic crystal, physicist Martin Mourigal has observed strong indications of "spooky" action, and lots of it. The results of his experiments, if corroborated over time, would mean that the type of crystal is a rare new material that can house a quantum spin liquid. Currently, only a ...

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Was the secret spice in primal gene soup a thickener?

12-Oct-2016

The original recipe for gene soup may have been simple -- rain, a jumble of common molecules, warm sunshine, and nighttime cooling. Then add a pinch of thickener. The last ingredient may have helped gene-like strands to copy themselves in puddles for the first time ever, billions of years ago ...

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Unique bacterial chemist in the war on potatoes

04-Oct-2016

In fertile farm soils where potatoes grow, Streptomyces scabies bacteria wage war using chemicals related to explosives and pesticides. But a microbial spoiler defuses one of S. scabies' poisons. Researchers at the Georgia Institute of Technology have gained new insights into a one-of-a-kind ...

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Engineered 'sand' may help cool electronic devices

14-Jul-2016

Baratunde Cola would like to put sand into your computer. Not beach sand, but silicon dioxide nanoparticles coated with a high dielectric constant polymer to inexpensively provide improved cooling for increasingly power-hungry electronic devices. The silicon dioxide doesn't do the cooling itself. ...

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Researchers list '7 chemical separations to change the world'

28-Apr-2016

Thermally-based industrial chemical separation processes such as distillation now account for 10 to 15 percent of the world's annual energy use. Slaking the global thirst for energy could therefore get a substantial boost from improved technologies for producing fuels, plastics, food and other ...

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New technique could improve detection of concealed nuclear materials

19-Apr-2016

Researchers have demonstrated proof of concept for a novel low-energy nuclear reaction imaging technique designed to detect the presence of "special nuclear materials" -- weapons-grade uranium and plutonium -- in cargo containers arriving at U.S. ports. The method relies on a combination of ...

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Metamaterial separation proposed for chemical, biomolecular uses

07-Mar-2016

The unique properties of metamaterials have been used to cloak objects from light, and to hide them from vibration, pressure waves and heat. Now, a Georgia Institute of Technology researcher wants to add another use for metamaterials: creating a new directional separation technique that cloaks ...

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Nano-mechanical study for next-gen batteries

A detailed nano-mechanical study of mechanical degradation processes in silicon structures

28-Sep-2015

A detailed nano-mechanical study of mechanical degradation processes in silicon structures containing varying levels of lithium ions offers good news for researchers attempting to develop reliable next-generation rechargeable batteries using silicon-based electrodes. Anodes based on silicon can ...

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New nanomaterial maintains conductivity in three dimensions

08-Sep-2015

An international team of scientists has developed what may be the first one-step process for making seamless carbon-based nanomaterials that possess superior thermal, electrical and mechanical properties in three dimensions. In early testing, a three-dimensional (3D) fiber-like supercapacitor ...

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