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Connecting the dots - how nanotechnology could revolutionise solar power

When it comes to making a solar cell from semiconductors, there are two major challenges. One is to extract as much energy out of the sunlight as possible so that ideally every single photon of light creates an electron-hole pair. The other is to get these electron-hole pairs to all migrate to the electrical contacts where they can do useful work rather than simply recombining somewhere in the middle of the cell.

Feb 15th, 2011

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Nanoscopic investigation shows why van Gogh paintings lose their shine

Scientists have identified a complex chemical reaction responsible for the degradation of two paintings by Vincent van Gogh and other artists of the late 19th century. This discovery is a first step to understanding how to stop the bright yellow colours of van Gogh's most famous paintings from being covered by a brown shade, and fading over time.

Feb 14th, 2011

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Jewel-toned organic phosphorescent crystals: A new class of light-emitting material

Pure organic compounds that glow in jewel tones could potentially lead to cheaper, more efficient and flexible display screens, among other applications. University of Michigan researcher Jinsang Kim and his colleagues have developed a new class of material that shines with phosphorescence - a property that has previously been seen only in non-organic compounds or organometallics.

Feb 14th, 2011

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Spray-on solar panels

With support from the National Science Foundation (NSF), researchers are creating solar cells that are light, flexible, efficient and - often the biggest obstacle - affordable.

Feb 14th, 2011

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New implantable sensor finds telltale signs of heart attack

During about 30 percent of all heart attacks, the patient experiences no symptoms. However, unmistakable signs of the attack remain in the bloodstream for days. MIT researchers, working with Massachusetts General Hospital's Cardiovascular Research Center, have now designed a tiny implant that can detect those signs, which could help doctors more rapidly determine whether a patient has had a heart attack.

Feb 14th, 2011

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Nanotechnology could pave the way for hydrogen fuels

EADS Innovation Works, the Group's corporate research arm, is working with university researchers to find a new solid state storage system for hydrogen. This technology would make it possible to use hydrogen as a clean alternative to traditional hydrocarbon-based fuels in aeroplane and car engines.

Feb 14th, 2011

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