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Nanofibers clean sulfur from fuel

Nanofibers clean sulfur from fuel | Science et Technique Veille | Scoop.it
Sulfur compounds in petroleum fuels have met their nano-structured match. Researchers developed mats of metal oxide nanofibers that scrub sulfur from petroleum-based fuels much more effectively than traditional materials.
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Mechanism behind solid-solid phase transitions uncovered

Mechanism behind solid-solid phase transitions uncovered | Science et Technique Veille | Scoop.it
Two solids made of the same elements but with different geometric arrangements of the atoms, or crystal phases, can produce materials with different properties. Coal and diamond offer a spectacular example of this effect.
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Corrosion-érosion des aciers ferritiques dans les centrales nucléaires

Corrosion-érosion des aciers ferritiques dans les centrales nucléaires | Science et Technique Veille | Scoop.it
Savez-vous que la corrosion-érosion peut conduire à la rupture des composants métalliques en acier, faiblement ou non alliés, soumis au contact de l’eau ou de vapeur humide ?
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Engineers show light can play seesaw at the nanoscale: Step toward faster and more energy-efficient optical devices

Engineers show light can play seesaw at the nanoscale: Step toward faster and more energy-efficient optical devices | Science et Technique Veille | Scoop.it
Electrical engineering researchers have developed a unique nanoscale device that for the first time demonstrates mechanical transportation of light.
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Scientists reconstruct 3D shape of a nanoscale crystal with atomic precision from a single image

Scientists reconstruct 3D shape of a nanoscale crystal with atomic precision from a single image | Science et Technique Veille | Scoop.it
Scientists from Jülich and Xi’an have developed a new method with which crystal structures can be reconstructed with atomic precision in all three dimensions.

Via Dr. Stefan Gruenwald
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Tunable quantum behavior observed in bilayer graphene

Tunable quantum behavior observed in bilayer graphene | Science et Technique Veille | Scoop.it
Researchers have observed the fractional quantum Hall effect in bilayer graphene and shown that this exotic state of matter can be tuned by an electric field.
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Inspired by nature, researchers create tougher metal materials

Inspired by nature, researchers create tougher metal materials | Science et Technique Veille | Scoop.it
Drawing inspiration from the structure of bones and bamboo, researchers have found that by gradually changing the internal structure of metals they can make stronger, tougher materials that can be customized for a wide variety of applications --...
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Superconducting-silicon qubits: Using a bottom-up approach to make hybrid quantum devices

Superconducting-silicon qubits: Using a bottom-up approach to make hybrid quantum devices | Science et Technique Veille | Scoop.it
Theorists propose a way to make superconducting quantum devices such as Josephson junctions and qubits, atom-by-atom, inside a silicon crystal.
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Study helps unlock mystery of high-temp superconductors

Study helps unlock mystery of high-temp superconductors | Science et Technique Veille | Scoop.it
Physicists say they have unlocked one key mystery surrounding high-temperature superconductivity. Their research found a remarkable phenomenon in copper-oxide (cuprate) high-temperature superconductors.
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Green spaces in cities may increase erosion of building materials such as stone, concrete and steel

Green spaces in cities may increase erosion of building materials such as stone, concrete and steel | Science et Technique Veille | Scoop.it
Green spaces in towns and cities need extra consideration as they may be damaging buildings in the area, according to new research.
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Scientists create new battery that's cheap, clean, rechargeable ... and organic

Scientists create new battery that's cheap, clean, rechargeable ... and organic | Science et Technique Veille | Scoop.it
Scientists have developed a rechargeable battery that is all organic and could be scaled up easily for use in power plants where it can make the energy grid more resilient and efficient by creating a large-scale means to store energy for use as...
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A new solution for storing hydrogen fuel for alternative energy

A new solution for storing hydrogen fuel for alternative energy | Science et Technique Veille | Scoop.it
Turning the "hydrogen economy" concept into a reality, even on a small scale, has been a bumpy road, but scientists are developing a novel way to store hydrogen to smooth out the long-awaited transition away from fossil fuels.

Via Dr. Stefan Gruenwald
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Cheap and enviromentally friendly: Tofu ingredient could revolutionize solar panel manufacture

Cheap and enviromentally friendly: Tofu ingredient could revolutionize solar panel manufacture | Science et Technique Veille | Scoop.it
The chemical used to make tofu and bath salts could also replace a highly toxic and expensive substance used to make solar cells, a new study has revealed.
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A breakthrough for organic reactions in water

A breakthrough for organic reactions in water | Science et Technique Veille | Scoop.it
Green-chemistry researchers have discovered a way to use water as a solvent in one of the reactions most widely used to synthesize chemical products and pharmaceuticals.
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Céramiques réfractaires

Céramiques réfractaires | Science et Technique Veille | Scoop.it
Savez-vous que les propriétés des céramiques réfractaires, notamment leur infusibilité, sont directement liées à leur organisation à l’échelle de la microstructure ?
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Plasmons de surface : principes physiques et applications

Plasmons de surface : principes physiques et applications | Science et Technique Veille | Scoop.it
Connaissez-vous les conditions de génération et d’excitation des plasmons de surface à une interface planaire métallique ?
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A New Temperature Switchable Membrane to Increase and Regulate Flow

A New Temperature Switchable Membrane to Increase and Regulate Flow | Science et Technique Veille | Scoop.it
A team of scientists from Yale University and the University of Connecticut have developed a novel membrane with highly aligned nanoscale pores that open and close in response to temperature; this highly porous, valve-like material has many...

Via Dr. Stefan Gruenwald
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Auto-assemblage moléculaire pour l'avenir de l'électronique (Micro/nanotechnologies)

Auto-assemblage moléculaire pour l'avenir de l'électronique (Micro/nanotechnologies) | Science et Technique Veille | Scoop.it
Les molécules qui s'auto-assemblent en formant des structures stables avec une précision qui atteint le nanomètre sont l'avenir de l'électronique.
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Hollow-fiber membranes could cut separation costs, energy use

Hollow-fiber membranes could cut separation costs, energy use | Science et Technique Veille | Scoop.it
Researchers have developed a microfluidic technique for fabricating a new class of metal-organic framework (MOF) membranes inside hollow polymer fibers that are just a few hundred microns in diameter.
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Revolutionary device makes machining composites as easy as ‘cutting through butter’

Revolutionary device makes machining composites as easy as ‘cutting through butter’ | Science et Technique Veille | Scoop.it
Researchers have developed a device which could revolutionize the way cutting, drilling and milling is done in manufacturing.
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Metamaterial gives visible light a nearly infinite wavelength

Metamaterial gives visible light a nearly infinite wavelength | Science et Technique Veille | Scoop.it
The new metamaterial is made by stacking silver and silicon nitride nanolayers. It may find applications in novel optical components or circuits and the design of more efficient leds. The work will appear on October 13th in Nature Photonics.

Via Dr. Stefan Gruenwald
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Interlayer distance in graphite oxide gradually changes when water is added

Interlayer distance in graphite oxide gradually changes when water is added | Science et Technique Veille | Scoop.it
Physicists have solved a mystery that has puzzled scientists for half a century. They show with the help of powerful microscopes that the distance between graphite oxide layers gradually increases when water molecules are added.
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Algae as chemical raw materials

Algae as chemical raw materials | Science et Technique Veille | Scoop.it
Chemists and biologists have succeeded in transforming algae oil into high-quality chemical raw materials via so-called isomerizing alkoxycarbonylation.
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Spintronic technologies: Advanced light source provides new look at skyrmions

Spintronic technologies: Advanced light source provides new look at skyrmions | Science et Technique Veille | Scoop.it
Researchers for the first time have used x-rays to observe and study skyrmions, subatomic quasiparticles that could play a key role in future spintronic technologies.
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Not much force: Researchers detect smallest force ever measured

Not much force: Researchers detect smallest force ever measured | Science et Technique Veille | Scoop.it
Researchers have detected the smallest force ever measured -- approximately 42 yoctonewtons -- using a unique optical trapping system that provides ultracold atoms. A yoctonewton is one septillionth of a newton.
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Managing specialized microbes to clean stubborn chemicals from environment

Managing specialized microbes to clean stubborn chemicals from environment | Science et Technique Veille | Scoop.it
Unique groups of microorganisms capable of converting hazardous chlorinated chemicals like trichloroetheene into ethene, a benign end product of microbial biodegradation, have been examined by scientists.
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