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What makes superalloys super

Researchers have observed for the first time in detail how a hierarchical microstructure develops during heat treatment of a superalloy.

Posted: Jan 14th, 2014

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Graphene growth on silver

Researchers have demonstrated the first growth of graphene on a silver substrate. Unique wave-like electron scattering at the edges of the dendritic graphene also was observed for the first time.

Posted: Jan 14th, 2014

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'Inverse opal' structure improves thin-film solar cells

Researchers have shown how to increase the efficiency of thin-film solar cells, a technology that could bring low-cost solar energy. The approach uses 3-D photonic crystals to absorb more sunlight than conventional thin-film cells.

Posted: Jan 14th, 2014

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Droplet simulation technology for printed electronics

The program allows numerical simulation, with the use of a commercial personal computer, of the shapes of ink droplet placed on a flat substrate surface that includes discontinuous boundaries between hydrophilic and hydrophobic areas.

Posted: Jan 14th, 2014

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Understanding secondary light emission by plasmonic nanostructures may improve medical imaging

Applications in imaging and sensing typically involve the emission of light at a different wavelength than the excitation, or 'secondary light emission'. The interpretation of resonant secondary light emission in terms of fundamental processes has been controversial for 40 years. In this work, researchers found that resonant electronic Raman scattering and resonant fluorescence may both be useful descriptions of the secondary emission.

Posted: Jan 13th, 2014

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No nano-dust danger from facade paint

After 42 months the EU research project NanoHouse has ended, and the verdict is a cautious 'all clear' - nanoparticles in the paint used on building facades do not represent a particular health risk.

Posted: Jan 13th, 2014

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Towards perfect control of light waves

Researchers have constructed a detector, which provides a detailed picture of the waveforms of femtosecond laser pulses. Knowledge of the exact waveform of these pulses enables scientists to reproducibly generate light flashes that are a thousand times shorter - lasting only for attoseconds - and can be used to study ultrafast processes at the molecular and atomic levels.

Posted: Jan 13th, 2014

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Using micro-windmills to recharge cell phones

Researchers have designed a micro-windmill that generates wind energy and may become an innovative solution to cell phone batteries constantly in need of recharging and home energy generation where large windmills are not preferred.

Posted: Jan 10th, 2014

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