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A 'magnetic slippery surface' improves de-icing

Icy conditions can be deadly, whether you're flying into bad weather or too close to power transmission lines during a storm. Researchers now have reported the discovery of a material that can be applied to any surface to repel ice.

Posted: Nov 10th, 2016

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Spin Hall effect in decorated graphene

In a new paper, scientists question the interpretation of large values from the Spin Hall effect (SHE) signals, reported experimentally in chemically decorated graphene. Further, they propose new device geometry to suppress background contributions on the non-local resistance to access the upper limit of SHE in two-dimensional materials.

Posted: Nov 10th, 2016

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Nanoparticle treatment adds antimicrobial coatings to leather

Traditional leather manufacturing requires the use of several toxic chemicals, such as halogenated flame retardants or organic antimicrobial solvents, which cause pollution. Now, researchers are testing an eco-friendly alternative: silver-titanium nanoparticles.

Posted: Nov 9th, 2016

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Possible reason for carcinogenicity of silica dust is found

Scientists have found unusual properties of silicon nanoparticles. They have shown that at normal conditions silica nanoparticles are enriched in oxygen. Such nanoparticles are magnetic and contain reactive oxygen species. This may explain the known high toxicity and carcinogenicity of silica dust.

Posted: Nov 9th, 2016

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New 'bottlebrush' electroactive polymers make dielectric elastomers increasingly viable for use in devices

A multi-institutional research team has developed a new electroactive polymer material that can change shape and size when exposed to a relatively small electric field. The advance overcomes two longstanding challenges regarding the use of electroactive polymers to develop new devices, opening the door to a suite of applications ranging from microrobotics to designer haptic, optic, microfluidic and wearable technologies.

Posted: Nov 9th, 2016

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