10/06/2013

How a Hubble image goes from photons to finished beauty

How does raw data from the Hubble Space Telescope end up to become a finished gorgeous color image, like the one of Arp 274, above? It's an interesting process, because the cameras on Hubble do not take color pictures.

Man-made material shows surprisingly magnetic personality

(Phys.org) —Scientists from SLAC and Stanford have used finely tuned X-rays at the Stanford Synchrotron Radiation Lightsource (SSRL) to pin down the source of a mysterious magnetism that appears when two materials are sandwiched ...

EU, Merkel to raise NSA program with US officials

Senior European Union officials will question their American counterparts about previously undisclosed U.S. surveillance programs during a trans-Atlantic ministerial meeting in Dublin starting Thursday.

IEA: Energy emissions rose to record high in 2012

The world's energy-related carbon dioxide emissions rose 1.4 percent in 2012 to a record high of 31.6 billion tons, even though the U.S. posted its lowest emissions since the mid-1990s, the International Energy Agency said ...

Amazon forest fire risk to increase in 2013

(Phys.org) —University and NASA researchers predict that the severity of the 2013 fire season will be considerably higher than in 2011 and 2012 for many Amazon forests in the Southern Hemisphere. The outlook is based on ...

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