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New Mexico State University


— Space

Voyager 1 leaves the Solar System?

By - March 20, 2013 28 Pictures
Has Voyager 1 left the Solar System? Is it officially the first spacecraft to reach interstellar space? It depends on whom you ask. NASA says no, but W.R. Webber of the New Mexico State University Department of Astronomy and F.B. McDonald of the University of Maryland Institute of Physical Science and Technology say yes. They contend that the unmanned, nuclear-powered probe left the Solar System on August 25, 2012 at a distance of 121.7 AU (18.2 billion km) from the Sun when its instruments on board detected a major shift in cosmic ray intensity. Read More
— Space

Largest-ever cosmological simulation to shed new light on dark matter

By - October 4, 2011 7 Pictures
The Bolshoi cosmological simulation is by far the most ambitious project of its kind. It harnesses the power of supercomputing to bring cosmology into the realm of experimental sciences. Based on observable input data, the Bolshoi simulation allows scientists to see what the higher structure of our universe might have looked like at particular points in time throughout its formation, arming them with tools that should make cracking the mysteries of dark matter, dark energy and galaxy formation much more feasible. Read More
— Science

Hydrogen found to be essential to creating better graphene

By - July 19, 2011 1 Picture
Graphene, the "wonder material" composed of single-atom-thick carbon sheets, is currently finding its way into a variety of electronic devices including computer chips, capacitors, transistors and batteries, just to name a few. It is typically created using a chemical vapor deposition process, in which carbon-containing gases are made to decompose on a copper foil substrate. The performance of the material may be limited, however, due to the fact that the individual graphene grains in one sheet are not of a consistent size or shape, and usually are larger than a single crystal. That could be about to change, though, as a new production method that utilizes hydrogen gas is promising higher-performance graphene with uniform, single-crystal grains. Read More
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