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ORNL researchers tune friction in ionic solids at the nanoscale

30-Jan-2015

Friction impacts motion, hence the need to control friction forces. Currently, this is accomplished by mechanistic means or lubrication, but experiments conducted by researchers at the Department of Energy's Oak Ridge National Laboratory have uncovered a way of controlling friction on ionic ...

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Researchers produce two bio-fuels from a single algae

30-Jan-2015

A common algae commercially grown to make fish food holds promise as a source for both biodiesel and jet fuel, according to a new study published in the journal Energy & Fuels. The researchers, led by Greg O'Neil of Western Washington University and Chris Reddy of Woods Hole Oceanographic ...

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Holes in valence bands of nanodiamonds discovered

Researchers hope that nanodiamonds may be used as catalysts for generating hydrogen from sunlight

30-Jan-2015

But how are the electronic properties of nanodiamonds deposited on a solid-state substrate different from those displayed by nanodiamonds in aqueous solutions?Dr. Tristan Petit working in the HZB team headed by Prof. Emad F. Aziz has now investigated this with the help of absorption and emission ...

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Carbon nanoballs can greatly contribute to sustainable energy supply

29-Jan-2015

Researchers at Chalmers University of Technology have discovered that the insulation plastic used in high-voltage cables can withstand a 26 per cent higher voltage if nanometer-sized carbon balls are added. This could result in enormous efficiency gains in the power grids of the future, which are ...

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Chemists control structure to unlock magnetization and polarization simultaneously

29-Jan-2015

Scientists at the University of Liverpool have controlled the structure of a material to simultaneously generate both magnetisation and electrical polarisation, an advance which has potential applications in information storage and processing. Researchers from the University's School of Physical ...

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Scientists set quantum speed limit

Proof of energy time uncertainty principle puts limits on quantum computing

28-Jan-2015

University of California, Berkeley, scientists have proved a fundamental relationship between energy and time that sets a "quantum speed limit" on processes ranging from quantum computing and tunneling to optical switching.The energy-time uncertainty relationship is the flip side of the ...

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Solid or liquid - the particle size matters

Max Planck researchers elucidate how the phase state of aerosol nanoparticles depends on their size

28-Jan-2015

Whether tiny particles in the air, so-called aerosol nanoparticles, are solid or liquid, is of great importance to atmospheric and climate scientists. The phase state determines if and how fast such particles grow into cloud condensation nuclei on which water vapor can condense to form cloud ...

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Printable luminous particles enable cost-effective, large and curved luminous surfaces

27-Jan-2015

Researchers at the INM – Leibniz Institute for New Materials have now developed a new method that enables electroluminescence on large, curved surfaces in a cost-effective way: in this case, the light-emitting layer and all other components are produced by means of wet-chemical, printable ...

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Eindhoven researchers observe shell growth thanks to 'ion sponge'

Revolutionary microscope technology confirms 30-year-old theory

27-Jan-2015

Dutch and American researchers are able to observe the formation of shells in real time on a nanometer scale thanks to a new electron microscopy technique. This enabled them for the first time to see how pieces of polymer act as ‘ion sponges’ – thereby confirming a 30-year-old theory. The ...

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Exotic, gigantic molecules fit inside each other like Russian nesting dolls

26-Jan-2015

University of Chicago scientists have experimentally observed for the first time a phenomenon in ultracold, three-atom molecules predicted by Russian theoretical physicsist Vitaly Efimov in 1970. In this quantum phenomenon, called geometric scaling, the triatomic molecules fit inside one another ...

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