With wild storms and a vast ring system, nothing seems small around Saturn. But as NASA's Cassini spacecraft loops high over Saturn's poles, scientists are taking time to explore the little things including a swirling vortex, ...
Space Exploration
Nov 13, 2012
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A University of Utah study suggests something amazing: Periodic changes in winds 15 to 30 miles high in the stratosphere influence the seas by striking a vulnerable "Achilles heel" in the North Atlantic and changing mile-deep ...
Earth Sciences
Sep 23, 2012
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(Phys.org)—Posing for portraits for NASA's Cassini spacecraft, Saturn and its largest moon, Titan, show spectacular colors in a quartet of images being released today. One image captures the changing hues of Saturn's northern ...
Space Exploration
Aug 30, 2012
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(Phys.org) -- The dramatic melt-off of Arctic sea ice due to climate change is hitting closer to home than millions of Americans might think. That's because melting Arctic sea ice can trigger a domino effect leading to increased ...
Earth Sciences
Jun 6, 2012
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For the first half of this year's winter, the big news was warm temperatures and lack of snow. Ski resorts were covered in bare dirt, while January temperatures in southern California topped July highs.
Earth Sciences
Feb 17, 2012
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(PhysOrg.com) -- This view from NASA's Cassini spacecraft looks toward the south polar region of Saturn's largest moon, Titan, and shows a depression within the moon's orange and blue haze layers near the south pole.
Space Exploration
Dec 29, 2011
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(PhysOrg.com) -- University of Southampton researchers have developed new nano-structured glass optical elements, which have applications in optical manipulation and will significantly reduce the cost of medical imaging.
Nanophysics
Aug 15, 2011
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Geophysical phenomena such as the dynamics of the atmosphere and ocean circulation are typically modeled mathematically by tracking the motion of air or water particles. These mathematical models define velocity fields that, ...
General Physics
Dec 7, 2010
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(PhysOrg.com) -- Researchers at the University of Arkansas have shown that changing the chirality, or direction of spin, of a nanoscale magnetic vortex creates an electric pulse, suggesting that such a pulse might be of use ...
General Physics
Apr 8, 2009
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(PhysOrg.com) -- At the human scale, the tightly wrapped spinning columns of air in a tornado contain terrifying destructive power that ravages communities. At the nanoscale, however, closely coiled magnetic vortices hold ...
General Physics
Feb 2, 2009
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