(Phys.org)—The way electrons move within and between molecules, transferring energy as they go, plays an important role in many chemical and biological processes, such as the conversion of sunlight to energy in photosynthesis ...
General Physics
Jan 31, 2013
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If you want to create a moving light source, you have a few possibilities. One is to mount a light emitter in some kind of mechanical housing—the approach used in, say, theatrical spotlights, which stagehands swivel and ...
Optics & Photonics
Jan 9, 2013
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Optical coherence tomography (OCT) is a popular imaging modality for obtaining three-dimensional, micrometer-resolution pictures of structures that lie beneath the surface of, for example, the human eye or silicon wafers ...
Optics & Photonics
Jan 2, 2013
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(Phys.org)—Research at SLAC's powerful X-ray laser that could lead to the development of specialized drugs to better combat African sleeping sickness has been recognized by Science magazine as one of the nine runners-up ...
General Physics
Dec 24, 2012
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A laser capable of working in the terahertz range – that of long-wavelength light from the far infrared to 1 millimetre – enables the 'fingerprint' of, say, a drug to be examined better than can be done using chemical ...
General Physics
Dec 19, 2012
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Scientists have used powerful X-rays from the Linac Coherent Light Source (LCLS) at the SLAC National Accelerator Laboratory, to study and measure, in atomic detail, a key process at work in extreme plasmas like those found ...
Plasma Physics
Dec 12, 2012
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An international group of scientists working at the SLAC National Accelerator Laboratory has mapped a weak spot in the parasite that causes African sleeping sickness, pinpointing a promising new target for treating a disease ...
Biochemistry
Nov 29, 2012
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(Phys.org)—Atoms have been thoroughly researched, but they are still good for a surprise. Researchers of the Max Planck Advanced Study Group (ASG) at the Hamburg Center for Free-Electron Laser Science (CFEL) have now produced ...
General Physics
Nov 23, 2012
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(Phys.org)—In experiments at SLAC National Accelerator Laboratory's Linac Coherent Light Source X-ray laser, researchers made snapshots of atomic-scale fluctuations in liquids and glasses. The results are a first step toward ...
Condensed Matter
Nov 16, 2012
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In micro electronics heat often causes problems and engineers have to put a lot of technical effort into cooling, for example micro chips, to dissipate heat that is generated during operation. Austrian physicists have now ...
General Physics
Nov 13, 2012
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