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Nanotechnology General News

The latest news from academia, regulators
research labs and other things of interest

A new X-ray microscope for nanoscale imaging

Delivering the capability to image nanostructures and chemical reactions down to nanometer resolution requires a new class of x-ray microscope that can perform precision microscopy experiments using ultra-bright x-rays from the National Synchrotron Light Source II at Brookhaven National Laboratory.

Posted: Feb 26th, 2015

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New research predicts when, how materials will act

A material might melt or snap in half. And for engineers, knowing when and why that might happen is crucial information. Now, a researcher has laid out an overarching theory that explains why certain materials act the way they do.

Posted: Feb 26th, 2015

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Precision gas sensor could fit on a chip

Using their expertise in silicon optics, Cornell engineers have miniaturized a light source in the elusive mid-infrared (mid-IR) spectrum, effectively squeezing the capabilities of a large, tabletop laser onto a 1-millimeter silicon chip.

Posted: Feb 26th, 2015

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Optical features embedded in marine shells may help develop responsive, transparent displays (w/video)

New findings represent the first evidence of an organism using mineralized structural components to produce optical displays. While birds, butterflies, and beetles can display brilliant blues, among other colors, they do so with organic structures, such as feathers, scales, and plates. The limpet, by contrast, produces its blue stripes through an interplay of inorganic, mineral structures, arranged in such a way as to reflect only blue light.

Posted: Feb 26th, 2015

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Silicon micro-funnels increase the efficiency of solar cells

A biological structure in mammalian eyes has inspired scientists to design an inorganic counterpart for use in solar cells: micron-sized vertical funnels were etched shoulder-to-shoulder in a silicon substrate. Using mathematical models and experiments, they tested how these kind of funnel arrays collect incident light and conduct it to the active layer of a silicon solar cell. Their result: this arrangement of funnels increases photo absorption by about 65 percent in a thin-film solar cell.

Posted: Feb 25th, 2015

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