News tagged with light source

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How Archaea might find their food

The microorganism Methanosarcina acetivorans lives off everything it can metabolize into methane. How it finds its sources of energy, is not yet clear. Scientists at the Ruhr-Universität Bochum together with c ...

Jun 10, 2013
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Dense hydrogen in a new light

(Phys.org) —Hydrogen is the most abundant element in the universe. The way it responds under extreme pressures and temperatures is crucial to our understanding of matter and the nature of hydrogen-rich ...

Jun 03, 2013
4.9 / 5 (35) 3 | with audio podcast

X-rays reveal fuel cells in action

(Phys.org) —Wouldn't it be great to have a magical "energy box" that could convert a wide array of fuels to electricity with high efficiency and lower emissions? Solid oxide fuel cells (SOFCs) show significant ...

Jun 03, 2013
5 / 5 (2) 0 | with audio podcast

New insight into early growth of solid thin films

(Phys.org) —The foundation of many modern electronic devices, such as computer chips, are thin films – nanoscale-thickness layers of one material grown on the surface of another. As consumers continue ...

May 13, 2013
3.7 / 5 (3) 0 | with audio podcast

X-ray laser brings cellular messengers into focus

Last year's Nobel Prize in Chemistry – shared by Stanford School of Medicine Professor Brian Kobilka and Robert Lefkowitz of Duke University – recognized groundbreaking research in G protein-coupled receptors (GPCRs). GPCRs are embedded in cell membranes. They i ...

May 10, 2013
5 / 5 (7) 0

The nanostructure of edible fats

Researchers at DOE's Brookhaven are using the National Synchrotron Light Source (NSLS) to categorize the many facets of fat crystals. They've learned that the distribution and directionality of these crystal ...

Apr 26, 2013
5 / 5 (4) 0

Sharper images for extreme LCLS experiments

(Phys.org) —An imaging technique conceived 50 years ago has been successfully demonstrated at SLAC's Linac Coherent Light Source, where it is expected to improve results in a range of experiments, including ...

Apr 17, 2013
4 / 5 (4) 0 | with audio podcast