News tagged with wavelengths of light

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Bimetallic nanoantenna separates colors of light

Researchers at Chalmers University of Technology have built a very simple nanoantenna that directs red and blue colours in opposite directions, even though the antenna is smaller than the wavelength of light. The findings ...

dateSep 23, 2011 in Nanophysics
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Orion's hidden fiery ribbon

( —This dramatic new image of cosmic clouds in the constellation of Orion reveals what seems to be a fiery ribbon in the sky. This orange glow represents faint light coming from grains of cold interstellar dust, ...

dateMay 15, 2013 in Astronomy
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Saturn's moon Enceladus spreads its influence

( -- Chalk up one more feat for Saturn's intriguing moon Enceladus. The small, dynamic moon spews out dramatic plumes of water vapor and ice -- first seen by NASA's Cassini spacecraft in 2005. It possesses simple ...

dateSep 22, 2011 in Space Exploration
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Do black holes help stars form?

( -- The center of just about every galaxy is thought to host a black hole, some with masses of thousands of millions of Suns and consequently strong gravitational pulls that disrupt material around them. They ...

dateFeb 03, 2012 in Astronomy
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