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Accelerated corrosion testing of silver provides clues about performance in atmospheric conditions

Accelerated corrosion testing of silver provides clues about performance in atmospheric conditions | Science et Technique | Scoop.it
Gaining a deeper understanding of how environments containing humidity and ozone combined with sodium chloride surface contamination and ultraviolet illumination affect the corrosion rate of silver will enable researchers to create new models to...
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Nanoscale shape-memory oxide discovered: Opens door to applications in medicine, energy and electronics

Nanoscale shape-memory oxide discovered: Opens door to applications in medicine, energy and electronics | Science et Technique | Scoop.it
Researchers have discovered a way to introduce a shape memory effect in bismuth ferrite that is larger than any observed in a metal. This discovery opens the door to applications in a wide range of fields, including medical, energy and electronics.
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Researchers create nonlinear light-generating zero-index metamaterial

Researchers create nonlinear light-generating zero-index metamaterial | Science et Technique | Scoop.it
Researchers have used a unique optical metamaterial with zero-index refraction to generate phase mismatch–free nonlinear light, an important step towards efficient light generation for future quantum networks and light sources.
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Step closer to composite-based electronics

Step closer to composite-based electronics | Science et Technique | Scoop.it
A new study demonstrates that electrical resistivity obeys a staircase-like dependence on the conducting particle concentration in composite materials.
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MIT engineers synthesize affibodies (antibody functionals) with carbon nanotubes

MIT engineers synthesize affibodies (antibody functionals) with carbon nanotubes | Science et Technique | Scoop.it
MIT chemical engineers have developed a novel way to generate nanoparticles that can recognize specific molecules, opening up a new approach to building durable sensors for many different compounds, among other applications.  The new polymer-based...

Via Dr. Stefan Gruenwald
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New energy conversion principle may double efficiency of today's engines

New energy conversion principle may double efficiency of today's engines | Science et Technique | Scoop.it
Scientists have discovered a new compressive combustion principle that can yield engines with the ultimate level of efficiency.
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New effect couples electricity and magnetism in materials

New effect couples electricity and magnetism in materials | Science et Technique | Scoop.it
Major industries such as modern microelectronics are based on the interaction between matter and electromagnetism. Electromagnetic signals can be processed and stored in specially tailored materials.
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Des ultra matériaux pour l'industrie de l'aérospatiale, l'électronique et la défense (Matériaux)

Des ultra matériaux pour l'industrie de l'aérospatiale, l'électronique et la défense (Matériaux) | Science et Technique | Scoop.it
Un four de grandes dimension a été construit pour obtenir des matériaux denses à partir de poudre nanostructurée.
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New technique controls dimensions of gold nanorods while manufacturing on a large scale

New technique controls dimensions of gold nanorods while manufacturing on a large scale | Science et Technique | Scoop.it
Researchers have developed a technique for efficiently producing nanoscale gold rods in large quantities while simultaneously controlling the dimensions of the nanorods and their optical properties.
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Scientists create perfect solution to iron out kinks in surfaces

Scientists create perfect solution to iron out kinks in surfaces | Science et Technique | Scoop.it
A new technique that allows curved surfaces to appear flat to electromagnetic waves has been developed.
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Will 2-D tin be the next super material?

Will 2-D tin be the next super material? | Science et Technique | Scoop.it
A single layer of tin atoms could be the world's first material to conduct electricity with 100 percent efficiency at the temperatures that computer chips operate, according to theoretical physicists.
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New modelling technique could bypass the need for engineering prototypes

New modelling technique could bypass the need for engineering prototypes | Science et Technique | Scoop.it
A new modelling technique has been developed that could eliminate the need to build costly prototypes, which are used to test engineering structures such as airplanes.
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Next-generation semiconductors synthesis

Next-generation semiconductors synthesis | Science et Technique | Scoop.it
Conventional processes for producing AIN layers run at temperatures as high as 1150 degrees Celsius, and offer limited control over the thickness of the layers.
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'Spinning trap' developed to measure electron roundness

'Spinning trap' developed to measure electron roundness | Science et Technique | Scoop.it
Researchers have developed a method of spinning electric and magnetic fields around trapped molecular ions to measure whether the ions' tiny electrons are truly round -- research with major implications for future scientific understanding of the...
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How water dissolves stone, molecule by molecule

How water dissolves stone, molecule by molecule | Science et Technique | Scoop.it
Scientists have combined cutting-edge experimental techniques and computer simulations to find a new way of predicting how water dissolves crystalline structures like those found in natural stone and cement.
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Nanotubes can solder themselves, markedly improving device performance

Nanotubes can solder themselves, markedly improving device performance | Science et Technique | Scoop.it
Researchers have developed a way to heal gaps in wires too small for even the world's tiniest soldering iron. Junctions between nanotubes have high resistance, slowing down the current and creating hotspots.
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Pathologies du béton armé. Actions physico-chimiques, cas particuliers et ouvrages spécifiques

Pathologies du béton armé. Actions physico-chimiques, cas particuliers et ouvrages spécifiques | Science et Technique | Scoop.it
Les variations de température, le fluage, la pollution, les intempéries sont autant d’actions physicochimiques pouvant générer des pathologies critiques pour les ouvrages.
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Polymer gel, heal thyself: Engineering team proposes new composites that can regenerate when damaged

Polymer gel, heal thyself: Engineering team proposes new composites that can regenerate when damaged | Science et Technique | Scoop.it
Researchers have developed models to design a new polymer gel that would enable complex materials to regenerate themselves.
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Améliorer les surfaces des fraises (Mécanique)

Améliorer les surfaces des fraises (Mécanique) | Science et Technique | Scoop.it
L'usinage des nouveaux alliages à haute performance engendre une usure accélérée des outils de coupe. Cela mène donc à des surcoûts.
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Des cendres d'algues pour augmenter la résistance du béton (matériaux)

Des cendres d'algues pour augmenter la résistance du béton (matériaux) | Science et Technique | Scoop.it
Des chercheurs de l'Université d'Alicante ont développé un nouveau procédé de fabrication de béton, qui permet d'obtenir un matériau d'une plus grande résistance.
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Technique developed to convert thermoelectric material into high performance electricity

Technique developed to convert thermoelectric material into high performance electricity | Science et Technique | Scoop.it
Physicists have developed a novel technique of tailoring thermoelectric properties of n-type bismuth telluride for high thermoelectric performance.
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Sixth sense in mechanical engineering: Sensor screw measures forces inside machines

Sixth sense in mechanical engineering: Sensor screw measures forces inside machines | Science et Technique | Scoop.it
An age-old engineering problem: how do you precisely measure the forces that act between two components inside a machine or, for example, on the sail of a boat without drilling holes or sticking on a sensor?
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Inauguration d'un centre d'excellence sur les nanosystèmes (Nanotechnologies)

Inauguration d'un centre d'excellence sur les nanosystèmes (Nanotechnologies) | Science et Technique | Scoop.it
L'Université Christian-Albrechts de Kiel (Schleswig-Holstein) a transformé son laboratoire de nanotechnologies en centre d'excellence sur les nanosystèmes, inauguré le 11 novembre 2013.
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Magnetic nanoparticles could aid heat dissipation in nuclear plant cooling systems and electronics

Magnetic nanoparticles could aid heat dissipation in nuclear plant cooling systems and electronics | Science et Technique | Scoop.it
Researchers find that particles suspended in cooling water could prevent hotspots in nuclear plant cooling systems and electronics.
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What can happen when graphene meets a semiconductor

What can happen when graphene meets a semiconductor | Science et Technique | Scoop.it
A new study has found that intrinsic ripples form on a sheet of graphene when it is placed on top of a semiconductor. The ripples further change the Schottky barrier height, affecting electron transport.
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