News tagged with polarized light

Star Tau Boo's baffling magnetic flips

( —The first observations of the complete magnetic cycle of a star other than the Sun are proving a puzzle to astronomers. Tau Boötis, known as Tau Boo (τ Boo), is a yellowish star that is a little brighter than ...

dateJul 04, 2013 in Astronomy
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X-rays reveal fuel cells in action

( —Wouldn't it be great to have a magical "energy box" that could convert a wide array of fuels to electricity with high efficiency and lower emissions? Solid oxide fuel cells (SOFCs) show significant promise. ...

dateJun 03, 2013 in Condensed Matter
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Ice cloud heralds fall at Titan's south pole

( —An ice cloud taking shape over Titan's south pole is the latest sign that the change of seasons is setting off a cascade of radical changes in the atmosphere of Saturn's largest moon. Made from an unknown ice, ...

dateApr 11, 2013 in Space Exploration
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