News tagged with polarization

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Video: The Sun reverses its magnetic poles

This visualization shows the position of the sun's magnetic fields from January 1997 to December 2013. The field lines swarm with activity: The magenta lines show where the sun's overall field is negative ...

Dec 09, 2013
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Arctic development 'a new menace to polar bears'

Oil exploration and increased sea traffic in the Arctic are encroaching on polar bear habitat, adding to the existing climate change risk, representatives of Arctic nations said at a Moscow conference Wednesday.

Dec 04, 2013
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Image: Titan's sunlit edge

(Phys.org) —The sunlit edge of Titan's south polar vortex stands out distinctly against the darkness of the moon's unilluminated hazy atmosphere. The Cassini spacecraft images of the vortex led scientists ...

Dec 03, 2013
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Why is Antarctic sea ice growing?

Recently NASA reported that this year's maximum wintertime extent of Antarctic sea ice was the largest on record, even greater than the previous year's record. ...

Oct 29, 2013
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Dolphins inspire rescue radar device

British engineers said Wednesday they had taken inspiration from dolphins for a new type of radar device that could easily track miners trapped underground or skiers buried in an avalanche.

Oct 22, 2013
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Long-sought pattern of ancient light detected

(Phys.org) —The journey of light from the very early universe to modern telescopes is long and winding. The ancient light traveled billions of years to reach us, and along the way, its path was distorted ...

Oct 22, 2013
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