News tagged with edge state
Current flowing along the edges of a promising quantum device is insensitive to its magnetic impurities
Conductors of electrical current, including copper, heat up and limit the ability to increase circuit densities. Unusual materials that exhibit the so-called ‘quantum spin Hall effect’, in which ...
Sep 30, 2011 |
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Electronic life on the edge: Scientists discover the edge states of graphene nanoribbons
(PhysOrg.com) -- As far back as the 1990s, long before anyone had actually isolated graphene – a honeycomb lattice of carbon just one atom thick – theorists were predicting extraordinary properties ...
May 08, 2011 |
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Scientists prove graphene's edge structure affects electronic properties
(PhysOrg.com) -- Graphene, a single-atom-thick sheet of carbon, holds remarkable promise for future nanoelectronics applications. Whether graphene actually cuts it in industry, however, depends upon how graphene ...
Feb 15, 2009 |
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Search results for edge state
At the edge of a cliff, health care must evolve quickly
To reverse America’s unsustainable health-care costs, Congress must adopt more refined, nimble strategies and get tough in the face of those pushing to keep the status quo, according to Dr. Donald M. ...
Feb 10, 2012 |
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Pa. symphony seeks soloist via YouTube contest
(AP) -- Pittsburgh Symphony Orchestra officials insist it's not "American Idol" meets Mozart.
Feb 09, 2012 |
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Low-cost instrument developed by students could aid weather research
On a recent blustery afternoon, scientists gathered on a rooftop at the Georgia Tech Research Institute (GTRI) to observe two atmospheric electric field-mill devices monitor the buildup of electrical charge ...
Feb 08, 2012 |
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Hitachi ships the industry's first 25-nanometer SLC NAND flash enterprise-class SSDs
Demonstrating its commitment to delivering leading-edge technologies and solutions for enterprise-class servers and storage systems, Hitachi Global Storage Technologies (Hitachi GST) today announced that its ...
Feb 08, 2012 |
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'App Economy' is huge US job creator: study
The explosion of software applications for smartphones, tablet computers and Facebook has created nearly 500,000 jobs in the United States since 2007, according to a study published on Tuesday.
Feb 07, 2012 |
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Progress and promise in DIAL LIDAR
For climatologists and environmental policy makers who need to determine the flux of greenhouse gases (GHG), there are three paramount questions: Where is it, how much is there, and how is it moving? A new ...
Feb 06, 2012 |
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Understanding basic concepts in spatial measurement
In a first or second grade classroom, a teacher asks students to take a ruler and measure (in inches) the length of a rectangular block. A student aligns the "0 inch" mark of the ruler with the end of the ...
Other Sciences / Social Sciences
Feb 01, 2012 |
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A new system of stereo cameras detects pedestrians from within the car
A team of German researchers, with the help of a lecturer at the University of Alcalá (UAH, Spain), has developed a system that locates pedestrians in front of the vehicle using artificial vision. Soon ...
Feb 01, 2012 |
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For stroke prevention, large medical centers may have the edge
Despite advances in the diagnosis and treatment of unruptured brain aneurysms, outcomes have remained stagnant over the last 10 years. This can be explained by the dramatic proliferation of minimally invasive endoscopic coiling ...
Medicine & Health / Cardiology
Feb 01, 2012 |
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Study finds substantial variability in rate of additional surgery after partial mastectomy
Nearly one in four women who undergo a partial mastectomy for treatment of breast cancer have another surgery to remove additional tissue (reexcision), and there is substantial surgeon and institutional variation in the rate ...
Jan 31, 2012 |
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List of search results for edge state
