News tagged with light wavelength

Young stars flicker amidst clouds of gas and dust

( -- Astronomers have spotted young stars in the Orion nebula changing right before their eyes, thanks to the European Space Agency's Herschel Space Observatory and NASA's Spitzer Space Telescope. The colorful ...

dateFeb 29, 2012 in Astronomy
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Shedding light on Anderson localization

Waves do not spread in a disordered medium if there is less than one wavelength between two defects. Physicists from the universities of Zurich and Constance have now proved Nobel Prize winner Philip W. Anderson's theory ...

dateDec 20, 2012 in Optics & Photonics
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A cannibalistic galaxy with a powerful heart

Observations by the two of the European Space Agency's space observatories have provided a multi-wavelength view of the mysterious galaxy Centaurus A. The new images, from the Herschel Space Observatory and the XMM-Newton ...

dateApr 04, 2012 in Astronomy
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Nanocrystal infrared LEDs can be made cheaply

( -- Light-emitting diodes at infrared wavelengths are the magic behind such things as night vision and optical communications, including the streaming data that comes through Netflix. Cornell researchers have advanced ...

dateMay 10, 2012 in Nanomaterials
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