News tagged with polar vortex

Magnetic Vortex Switch Leads to Electric Pulse

(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 ...

Physics / General Physics

created Apr 08, 2009 | popularity 4.8 / 5 (9) | comments 1

New nanostructured glass for imaging and recording developed

(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 ...

Nanotechnology / Nanophysics

created Aug 15, 2011 | popularity 5 / 5 (6) | comments 1 | with audio podcast

Europe hammered by winter, is North America next?

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.

Space & Earth / Earth Sciences

created Feb 17, 2012 | popularity 4 / 5 (4) | comments 14

New control of nanoscale 'magnetic tornadoes' holds promise for data storage

(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 ...

Physics / General Physics

created Feb 02, 2009 | popularity 4 / 5 (3) | comments 2

South polar region of Titan, Saturn's largest moon

(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 ...

Space & Earth / Space Exploration

created Dec 29, 2011 | popularity 3 / 5 (2) | comments 0