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Sol-gel capacitor dielectric offers record-high energy storage

Using a hybrid silica sol-gel material and self-assembled monolayers of a common fatty acid, researchers have developed a new capacitor dielectric material that provides an electrical energy storage capacity rivaling certain batteries, with both a high energy density and high power density.

Posted: Jul 30th, 2015

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Graphene supercurrents go ballistic

Researchers have demonstrated superconducting electric currents in the two-dimensional material graphene that bounce between sheet edges without scattering.

Posted: Jul 29th, 2015

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Short wavelength plasmons observed in nanotubes

Researchers have observed 'Luttinger-liquid' plasmons in metallic single-walled nanotubes. This holds great promise for novel plasmonic and nanophotonic devices over a broad frequency range, including telecom wavelengths.

Posted: Jul 28th, 2015

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Carbon nanotube speakers play music with heat (w/video)

While still a fledgling technology, the potential applications are nearly endless. Everything from de-icing helicopter blades to making lighter loudspeakers to doubling as a car speaker and heating filament for back windshield defrosters.

Posted: Jul 28th, 2015

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