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Going viral: How ‘social contagion’ begins and escalates

April 10, 2014 12:21 pm | by Yale UniversityYale University | Comments

Understanding the roots of a global, contagious spread of online information may help better predict political revolutions, consumer behavior, box office revenues, public policy debates, and even public health epidemics, a new study co-led by Yale University reveals. The model devised for this...

NASA signs agreement with German, Canadian partners to test alternative fuels

April 10, 2014 11:12 am | by NASA | Comments

NASA has signed separate agreements with the German Aerospace Center (DLR) and the National Research Council of Canada (NRC) to conduct a series of joint flight tests to study the atmospheric effects of emissions from jet engines burning alternative fuels....

Researchers use common spray gun to create self-assembling nanoparticle films

April 10, 2014 10:18 am | by Texas A&M University | Comments

The promise of nanoparticles stems from their potential to modify the physical and mechanical properties of polymers for diverse applications, such as photovoltaic cells, sensors, and separation membranes. Methods currently used to create desired nanostructure, however, rely on complex and...

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VCSA: Fiscal constraints mean 'greater risk' in modernization

April 10, 2014 8:16 am | by U.S. Army | Comments

Vice Chief of Staff of the Army Gen. John F. Campbell said the Army is reducing its end strength as "rapidly and as responsibly," while doing its best to meet its operational requirements, during testimony to the Senate Armed Services Committee, subcommittee on Airland, April 9, 2014, in...

A less resource-intensive way to make ethanol

April 10, 2014 8:12 am | by MIT Technology Review | Comments

Stanford researchers develop a copper catalyst that can efficiently convert carbon monoxide and water to ethanol.Today, nearly all ethanol fuel is made from corn or sugarcane, which requires vast tracts of land and huge quantities of water and fertilizer. Researchers at Stanford University have now...

Men vs. women: Seated at the tech table

April 10, 2014 8:10 am | by AllVoices | Comments

Remember Larry Summers, the one-time aspirant for the Fed's top job, former Treasury secretary, ex- president of Harvard, and generally opinionated busybody, and his remarks on women and science? Folks like him have got their ultimate comeuppance with recent news...

Domain walls in nanowires cleverly set in motion

April 10, 2014 7:05 am | by EurekAlert! | Comments

Researchers at Johannes Gutenberg University Mainz (JGU) have achieved a major breakthrough in the development of methods of information processing in nanomagnets. Using a new trick, they have been able to induce synchronous motion of the domain walls in a ferromagnetic nanowire....

Into the abyss: Scientists explore one of Earth's deepest ocean trenches

April 10, 2014 6:13 am | by National Science Foundation | Comments

What lives in the deepest part of the ocean--the abyss?A team of researchers funded by the National Science Foundation (NSF) will use the world's only full-ocean-depth, hybrid, remotely-operated vehicle, Nereus, and other advanced technology to find out. They will explore the Kermadec Trench at the...

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Expanding particles to engineer defects

April 9, 2014 2:02 pm | by EurekAlert! | Comments

Materials scientists have long known that introducing defects into three-dimensional materials can improve their mechanical and electronic properties. Now a new Northwestern study finds how defects affect two-dimensional crystalline structures, and the results hold information for designing new materials....

A faster Internet for your smartphones

April 9, 2014 1:59 pm | by EurekAlert! | Comments

Most of us spend a significant portion of our time on our phones. So when the Internet connection slows or stalls, it can interrupt our lives to a maddening degree. We complain about the network, shut down apps, and double-check our bars to troubleshoot the problem....

Future computers that are 'normally off'

April 9, 2014 1:57 pm | by EurekAlert! | Comments

If a research team in Japan gets its wish, "normally off" computers may one day soon be replacing present computers in a move that would both eliminate volatile memory, which requires power to maintain stored data, and reduce the gigantic energy losses associated with it....

Is the power grid too big?

April 9, 2014 1:54 pm | by EurekAlert! | Comments

Some 90 years ago, British polymath J.B.S. Haldane proposed that for every animal there is an optimal size -- one which allows it to make best use of its environment and the physical laws that govern its activities, whether hiding, hunting, hoofing or hibernating....

Scalable CVD process for making 2-D molybdenum diselenide

April 9, 2014 1:51 pm | by EurekAlert! | Comments

Nanoengineering researchers at Rice University and Nanyang Technological University in Singapore have unveiled a potentially scalable method for making one-atom-thick layers of molybdenum diselenide -- a highly sought semiconductor that is similar to graphene....

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Advanced warning systems increase safety at intersections, study shows

April 9, 2014 1:47 pm | by EurekAlert! | Comments

Most drivers have experienced a traffic signal that turns yellow just as they approach an intersection, which makes it difficult for them to decide whether to stop or proceed through it. The wrong choice in this situation, known as the "dilemma zone," may lead to crashes....

A new twist makes for better steel, researchers find

April 9, 2014 1:42 pm | by EurekAlert! | Comments

Researchers from Brown University and universities in China have found a simple technique that can strengthen steel without sacrificing ductility. The new technique, described in Nature Communications, could produce steel that performs better in a number of structural applications....

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