Photodiodes, or photodetectors, are key components of fiber-optical broadband networks: they convert light to electrical signals. The inability to efficiently fabricate these detectors directly onto silicon chips has hindered ...
Optics & Photonics
Jan 16, 2013
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When it comes to imaging, every single photon counts if there is barely any available light. This is the point where the latest technologies often reach their limits. Researchers have now developed a diode that can read photons ...
Engineering
Nov 7, 2012
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"Avalanches"—the crackling behavior of materials under slowly increasing stress, like crumpling paper or earthquakes—may have a novel facet previously unknown, say Cornell researchers.
General Physics
Oct 25, 2012
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What does Elvis Presley have in common with a sand dune? No, it's not that people sometimes spot both in the vicinity of Las Vegas. Instead, some sand dunes, like The King, can sing. And new research looking for clues to ...
Space Exploration
Oct 25, 2012
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(Medical Xpress)—Soft horns and a tinkling piano form the backbone of "Fifty Degrees North, Four Degrees West," a jazz number with two interesting twists: it has no composer and no actual musicians. Unless you count bacteria ...
Other
Sep 28, 2012
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Saturn's ice moon Iapetus has more giant landslides than any solar system body other than Mars. Measurements of the avalanches suggest that some mechanism lowered their coefficients of friction so that they flowed rather ...
Earth Sciences
Jul 29, 2012
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Print newspapers are alive and kicking in Brazil, where circulation continues to grow despite the economic crisis, but editors here warn they must offer readers deeper perspective and analysis.
Business
Jul 25, 2012
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(Phys.org) -- Scientists have developed a new diagnostic tool that will enable better understanding of global climate patterns.
Earth Sciences
May 14, 2012
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Scientists with the UBC Avalanche Research Group have been studying the impact of clear-cut logging on avalanche terrain in British Columbia. Understanding avalanche behavior and its destructive potential is an important ...
Environment
Mar 29, 2012
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We've seen avalanches on Mars, but now scientists have found avalanches taking place on an unlikely place in our solar system: Saturn’s walnut-shaped, two-toned moon Iapetus. And these aren’t just run-of-the-mill ...
Space Exploration
Mar 22, 2012
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