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803 matches found for "wavelengths"

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Swift XMM-Newton Satellites Tune Into a Middleweight Black Hole

"Intermediate-mass black holes contain between 100 and 10,000 times the sun's mass," explained Tod Strohmayer, an astrophysicist at Goddard. "We observe the heavyweight black holes...

Physics and Astronomy | nachricht Read more
Integrating Diffractive Optical Elements in Fibre Endfaces

The integration of special functional elements, for example a beam splitter, directly into the end faces of quartz fibres was so far only possible on the laboratory scale. The reason for this is that ...

Technology Offerings | nachricht Read more
PTB Terahertz calibration satisfies US laser manufacturer

Terahertz radiation still lies in a metrological no man's land – a metrology gap. The Physikalisch-Technische Bundesanstalt (PTB) can now close this gap. For the first time, a commercial Terahert...

Process Engineering | nachricht Read more
'Dropouts' pinpoint earliest galaxies

The finding is the first age-confirmation of a so-called dropout galaxy at that distant time and pinpoints when an era called the reionization epoch likely began. The research will be published in a D...

Physics and Astronomy | nachricht Read more
Proven Method Available to Significantly Reduce Energy Consumption in Street Lighting

Experts at Rensselaer Polytechnic Institute’s Lighting Research Center (LRC) estimate that about half of the approximately 13 million streetlights in America have the opportunity to significantly redu...

Power and Electrical Engineering | nachricht Read more
Scientists build first 'frequency comb' to display visible 'teeth'

Scientists at the University of Konstanz in Germany and the National Institute of Standards and Technology (NIST) in the United States have built the first optical frequency comb—a tool for precisely ...

Physics and Astronomy | nachricht Read more
Seeing previously invisible molecules for the first time

A team of Harvard chemists led by X. Sunney Xie has developed a new microscopic technique for seeing, in color, molecules with undetectable fluorescence. The room-temperature technique allows research...

Life Sciences | nachricht Read more
Helping neurons find their way

As the brain develops, neuronal axons extend outward in search of other neurons, all the while receiving ‘directions’ from the extracellular environment in the form of chemical signals that indicate w...

Life Sciences | nachricht Read more
Berkeley researchers create first hyperlens for sound waves

Created by researchers with the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab), the acoustic hyperlens provides an eightfold boost in the magnification power of ...

Physics and Astronomy | nachricht Read more
Galaxy cluster smashes distance record

The galaxy cluster, known as JKCS041, beats the previous record holder by about a billion light years. Galaxy clusters are the largest gravitationally bound objects in the Universe. Finding such a lar...

Physics and Astronomy | nachricht Read more
How white is a paper?

Per Edström at Mid Sweden University has attracted international attention for his research, which has resulted in a new generation of computational tools for simulation of light in paper and print....

Physics and Astronomy | nachricht Read more
Designer molecule detects tiny amounts of cyanide, then glows

Although the fluorescent molecule is not yet ready for market, its Indiana University Bloomington creators report in the Journal of the American Chemical Society (now online) that the tool is already ...

Life Sciences | nachricht Read more
Quantum Computer Chips Now One Step Closer to Reality

The problem: the manufacturing techniques required to make quantum devices have been equally exotic.That is, until now.Researchers at Ohio State University have discovered a way to mak...

Physics and Astronomy | nachricht Read more
Quantum computer chips now 1 step closer to reality

The problem: the manufacturing techniques required to make quantum devices have been equally exotic.That is, until now.Researchers at Ohio State University have discovered a way to mak...

Physics and Astronomy | nachricht Read more
Sky merger yields sparkling dividends

Not surprisingly, interacting galaxies have a dramatic effect on each other. Studies have revealed that as galaxies approach one another massive amounts of gas are pulled from each galaxy towards the ...

Physics and Astronomy | nachricht Read more
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