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A rainy day can ruin an online restaurant review

April 2, 2014 2:18 pm | by Georgia Institute of Technology | Comments

Weather helps determine whether a review will be positive or negative April 2, 2014 Atlanta, GA Online restaurant reviews written on rainy or snowy days, or very cold or hot days, are more negative than those written on nice days. The new study also shows...

Strain can alter materials' properties

April 2, 2014 2:18 pm | by EurekAlert! | Comments

In the ongoing search for new materials for fuel cells, batteries, photovoltaics, separation membranes, and electronic devices, one newer approach involves applying and managing stresses within known materials to give them dramatically different properties....

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Photos of the Day: Russia's new dolphin army

April 2, 2014 12:11 pm | by ECN Staff | Comments

Ukraine established a dolphin training program back in the ‘60s with the goal of using the marine mammals to detect mines and other items of military interest off the coast. The dolphins were based in the Crimean city of Sevastopol, but after Russia annexed Crimea, the cetacean mammals became the property of the USSR, er, Russia....

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Computers teach each other Pac-Man

April 2, 2014 10:07 am | by EurekAlert! | Comments

Researchers in Washington State University's School of Electrical Engineering and Computer Science have developed a method to allow a computer to give advice and teach skills to another computer in a way that mimics how a real teacher and student might interact....

Nanosheets and nanowires

April 2, 2014 10:04 am | by EurekAlert! | Comments

Researchers in China, [J. Appl. Cryst. (2014). 47, 527-531] have found a convenient way to selectively prepare germanium sulfide nanostructures, including nanosheets and nanowires, that are more active than their bulk counterparts and could open the way to lower cost and safer optoelectronics....

Should physicists work to the sound of silence?

April 2, 2014 10:02 am | by EurekAlert! | Comments

In this month's issue of Physics World, Felicity Mellor, a senior lecturer in science communication at Imperial College London, questions whether the requirement of the modern physicist to collaborate and communicate is preventing the intellectual progress brought about by silence and solitude....

Next-generation coatings and sensors that can operate in extreme conditions

April 2, 2014 10:01 am | by EurekAlert! | Comments

Tata Steel has formed a strategic partnership with the prominent UK research body, the Engineering and Physical Sciences Research Council (EPSRC), to develop a range of innovations that will include graphene-coated steels and next-generation sensors that can operate in extreme environments....

Carbon nanotubes grow in combustion flames

April 2, 2014 9:59 am | by EurekAlert! | Comments

Professor Stephan Irle of the Institute of Transformative Bio-Molecules (WPI-ITbM) at Nagoya University and co-workers at Kyoto University, Oak Ridge National Lab (ORNL), and Chinese research institutions have revealed through theoretical simulations that the molecular mechanism...

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Science: Switching brain cells with less light

April 2, 2014 9:49 am | by EurekAlert! | Comments

Networked nerve cells are the control center of organisms. In a nematode, 300 nerve cells are sufficient to initiate complex behavior. To understand the properties of the networks, re-searchers switch cells on and off with light and observe the resulting behavior of the organism....

Wind energy: On the grid, off the checkerboard

April 2, 2014 9:46 am | by EurekAlert! | Comments

As wind farms grow in importance across the globe as sources of clean, renewable energy, one key consideration in their construction is their physical design -- spacing and orienting individual turbines to maximize their efficiency and minimize any "wake effects"....

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Earthquake research explores use of high-performance concrete

April 2, 2014 9:42 am | by EurekAlert! | Comments

New, stronger concrete that can better withstand an earthquake isn't much good if it's too expensive to use. That's the idea behind a research project being conducted by Bora Gencturk, assistant professor of civil and environmental engineering in the University of Houston Cullen College of Engineering....

Galactic serial killer

April 2, 2014 9:40 am | by EurekAlert! | Comments

Several clues in the structure of NGC 1316 reveal that its past was turbulent. For instance, it has some unusual dust lanes [1] embedded within a much larger envelope of stars, and a population of unusually small globular star clusters. These suggest that it may have already swallowed a dust-rich spiral galaxy....

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Deep water search for jet could turn on robot subs

April 2, 2014 9:36 am | by ADAM GELLER, AP National Writer | Comments

Two miles down or more and darker than night, the ocean becomes a particularly challenging place for human searchers. If the wreckage of a missing Malaysian airliner rests somewhere in the Indian Ocean's depths, then investigators will likely need to entrust the hunt at least partly to robot submarines....

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Suitcase-sized capability keeps coalition network running during retrograde

April 2, 2014 9:16 am | by U.S. Army | Comments

As U.S. and coalition forces draw down in Afghanistan and take most of their communications infrastructure with them, a new capability the size of a suitcase will enable Soldiers to connect to the coalition network from anywhere on the planet.

Stratasys buying Solid Concepts, Harvest Tech

April 2, 2014 9:09 am | by The Associated Press | Comments

Stratasys is buying additive manufacturing services providers Solid Concepts and Harvest Technologies. Solid Concepts Inc. is the biggest independent additive manufacturing service bureau in North America and a partner to RedEye, Stratasys' existing digital manufacturing service business. The...

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