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Faut-il avoir peur des nanoparticules ?

Faut-il avoir peur des nanoparticules ? | Science et Technique | Scoop.it
Les nanoparticules vont peut-être un jour révolutionner la science des matériaux ou le traitement de certaines maladies.
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En bref : Production de phosphore grâce à des piles à combustibles microbiennes - Couplage de nanotubes de carbone et de cristal photonique (Energie et envrionnement)

En bref : Production de phosphore grâce à des piles à combustibles microbiennes - Couplage de nanotubes de carbone et de cristal photonique (Energie et envrionnement) | Science et Technique | Scoop.it
= Production de phosphore grâce à des piles à combustibles microbiennes Un groupe de recherche du River Basin Research Center de l'université de Gifu [2] a annoncé avoir réussi à récupérer du phosphore avec des piles à combustibles microbiennes...
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Unusual electronic state found in new class of unconventional superconductors

Unusual electronic state found in new class of unconventional superconductors | Science et Technique | Scoop.it
Scientists have discovered an unusual form of electronic order in a new family of unconventional superconductors, giving scientists a new group of materials to explore to understand the ability to carry current with no energy loss.
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Composite materials can be designed in a supercomputer 'virtual lab'

Composite materials can be designed in a supercomputer 'virtual lab' | Science et Technique | Scoop.it
Scientists have shown how advanced computer simulations can be used to design new composite materials. Nanocomposites, which are widely used in industry, are revolutionary materials in which microscopic particles are dispersed through plastics.
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Stacking two-dimensional materials may lower cost of semiconductor devices

Stacking two-dimensional materials may lower cost of semiconductor devices | Science et Technique | Scoop.it
A team of researchers has found that stacking materials that are only one atom thick can create semiconductor junctions that transfer charge efficiently, regardless of whether the crystalline structure of the materials is mismatched -- lowering the...
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Powerful new technique simultaneously determines nanomaterials' chemical makeup, topography

Powerful new technique simultaneously determines nanomaterials' chemical makeup, topography | Science et Technique | Scoop.it
Researchers have devised a powerful technique that simultaneously resolves the chemical characterization and topography of nanoscale materials down to the height of a single atom.
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World’s fastest 2-D camera, 100 billion frames per second, may enable new scientific discoveries

World’s fastest 2-D camera, 100 billion frames per second, may enable new scientific discoveries | Science et Technique | Scoop.it
A team of biomedical engineers has developed the world’s fastest receive-only 2-D camera, a device that can capture events up to 100 billion frames per second.
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Single-atom gold catalysts may offer path to low-cost production of fuel and chemicals

Single-atom gold catalysts may offer path to low-cost production of fuel and chemicals | Science et Technique | Scoop.it
New catalysts designed and investigated by engineering researchers have potential to greatly reduce processing costs in future fuels like hydrogen.
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New Class of Polymers Discovered By Accident

New Class of Polymers Discovered By Accident | Science et Technique | Scoop.it
Eco-friendly polymers strong enough to use in cars and airplanes
-- Read more on ScientificAmerican.com
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'Giant' charge density disturbances discovered in nanomaterials

'Giant' charge density disturbances discovered in nanomaterials | Science et Technique | Scoop.it
In metals such as copper or aluminium, so-called conduction electrons are able to move around freely, in the same way as particles in a gas or a liquid.
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New technique allows ultrasound to penetrate bone, metal

New technique allows ultrasound to penetrate bone, metal | Science et Technique | Scoop.it
Researchers have developed a technique that allows ultrasound to penetrate bone or metal, using customized structures that offset the distortion usually caused by these so-called 'aberrating layers.'
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Scientists discover novel metamaterial properties within hexagonal boron nitride

Scientists discover novel metamaterial properties within hexagonal boron nitride | Science et Technique | Scoop.it
Researchers have demonstrated that confined surface phonon polaritons within hexagonal boron nitride exhibit unique metamaterial properties that enable novel nanoscale optical devices.
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Chemists develop porous molecules that bind greenhouse gases

Chemists develop porous molecules that bind greenhouse gases | Science et Technique | Scoop.it
Chemistry researchers have developed a molecule that assembles spontaneously into a lightweight structure with microscopic pores capable of binding large quantities of several potent greenhouse gases.
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Une colle donne une élasticité variable aux matériaux composites

Une colle donne une élasticité variable aux matériaux composites | Science et Technique | Scoop.it
Des chercheurs allemands ont développé une nouvelle façon d’assembler des pièces en matériaux composites légers grâce à une colle à élasticité variable.
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Des avancées sur les matériaux supraconducteurs à température ambiante (Matériaux)

Des avancées sur les matériaux supraconducteurs à température ambiante (Matériaux) | Science et Technique | Scoop.it
Des chercheurs de l'Institut Max Planck pour la structure et la dynamique des matériaux de Hambourg (MPSD) sont parvenus à obtenir un comportement supraconducteur sans refroidissement avec des cristaux d'oxyde mixte de baryum de cuivre et d'yttrium...
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The gold standard: Affordable catalyst for energy and environmental applications

The gold standard: Affordable catalyst for energy and environmental applications | Science et Technique | Scoop.it
New nanoscale computational modeling predicts gold could be an effective and affordable catalyst for energy and environmental applications.
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Matériaux composites à matrice céramique et à renfort par fibres longues

Matériaux composites à matrice céramique et à renfort par fibres longues | Science et Technique | Scoop.it
Découvrez les conditions extrêmes que peuvent supporter les composites à matrice céramique.
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Nanoshaping method points to future manufacturing technology

Nanoshaping method points to future manufacturing technology | Science et Technique | Scoop.it
A new method that creates large-area patterns of 3-D nanoshapes from metal sheets represents a potential manufacturing system to inexpensively mass produce innovations such as 'plasmonic metamaterials' for advanced technologies.
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Un nouveau matériau, isolant et coupe-feu, pour la construction durable (Matériaux / Chimie)

Un nouveau matériau, isolant et coupe-feu, pour la construction durable (Matériaux / Chimie) | Science et Technique | Scoop.it
Une recherche financée par la Swedish strategic foundation (Suède), menée en collaboration avec le Politecnico de Turin et publiée le 2 Novembre dernier dans la prestigieuse revue scientifique Nature Nanotechnology, a conduit à la conception d'un...
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Polyhydroxyalcanoates (PHA) : applications dans le domaine de la santé

Polyhydroxyalcanoates (PHA) : applications dans le domaine de la santé | Science et Technique | Scoop.it
Ces biopolymères sont synthétisés par des bactéries stressées sous la forme de granules accumulés en leur sein.
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New material makes water and oil roll off

New material makes water and oil roll off | Science et Technique | Scoop.it
Car finish, to which no dirt particles adhere, house fronts, from which graffiti paints roll off, and shoes that remain clean on muddy paths – the material “fluoropore” might make all this possible.
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New method to determine surface properties at the nanoscale

New method to determine surface properties at the nanoscale | Science et Technique | Scoop.it
As machines get smaller, knowing characteristics can make huge engineering differences. Engineers have now developed a method for characterizing the surface properties of materials at different temperatures at the nanoscale.
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Protons fuel graphene prospects

Protons fuel graphene prospects | Science et Technique | Scoop.it
Graphene, impermeable to all gases and liquids, can easily allow protons to pass through it researchers have found.
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Improved nanomaterials: Understanding surface structure of quantum dots will aid design of new solar devices

Improved nanomaterials: Understanding surface structure of quantum dots will aid design of new solar devices | Science et Technique | Scoop.it
A potential path to identify imperfections and improve the quality of nanomaterials for use in next-generation solar cells has just emerged.
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'Mind the gap' between atomically thin materials

'Mind the gap' between atomically thin materials | Science et Technique | Scoop.it
For the first time, researchers have grown a single atomic layer of tungsten diselenide on a one- atom-thick substrate of graphene with pristine interfaces between the two layers using an industrially scalable technique.
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New way to move atomically thin semiconductors for use in flexible devices

New way to move atomically thin semiconductors for use in flexible devices | Science et Technique | Scoop.it
Researchers have developed a new way to transfer thin semiconductor films, which are only one atom thick, onto arbitrary substrates, paving the way for flexible computing or photonic devices.
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