News tagged with wavelength

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The ages of extragalactic jets

The longest known highly collimated structures in the universe are the narrow jets that emanate from the vicinity of powerful black holes in certain types of galactic nuclei. These narrow beams, often in pairs propagating ...

dateJun 08, 2015 in Astronomy
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Researchers steer light in new directions

A team of researchers led by San Francisco State University's Weining Man is the first to build and demonstrate the ability of two-dimensional disordered photonic band gap material, designed to be a platform to control light ...

dateSep 16, 2013 in Optics & Photonics
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A new light wave

Hold a magnifying glass over the driveway on a sunny day and it will focus sunlight into a single beam. Hold a prism in front of the window and the light will spread out into a perfect rainbow. Lenses like these have been ...

dateAug 12, 2013 in General Physics
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Galaxy winds

(Phys.org) —The most luminous galaxies in our universe are not particularly bright in the visible. Most of their energy output (which can be hundreds or even thousands of times more than our Milky Way's) is emitted at infrared ...

dateSep 23, 2013 in Astronomy
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