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CU-Boulder leads international unmanned aircraft testing event at Pawnee Grassland

August 22, 2014 11:24 am | by EurekAlert! | Comments

An international research effort organized by the University of Colorado Boulder conducted the first multiple, unmanned aircraft interception of a telltale rush of cold air preceding a thunderstorm known as a "gust front" as it rolled across the Pawnee National Grassland in northeast Colorado on Aug. 14....

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A breakthrough in imaging gold nanoparticles to atomic resolution by electron microscopy

August 22, 2014 11:20 am | by EurekAlert! | Comments

Nanometre-scale gold particles are intensively investigated for application as catalysts, sensors, drug delivery devices, biological contrast agents and components in photonics and molecular electronics. Gaining knowledge of their atomic-scale structures, fundamental for understanding physical and chemical properties, has been challenging....

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Are e-commerce models a threat to traditional Chinese TV brands?

August 22, 2014 11:20 am | by DisplaySearch | Comments

During the past year, new entrants such as Xiaomi, LeTV and Lenovo have been raising eyebrows in the industry with TV sets priced up to 30% lower and sold via e-commerce channels in China. This has led some to conclude that current TV brands are now facing “disruptive” competitors and retailing ...

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Tech Tips: Sprint's new plans offer savings, though advantages shrink for families with kids

August 22, 2014 9:38 am | by ANICK JESDANUN AP Technology Writer | Comments

In revamping its prices and plans this week, Sprint is joining Verizon and AT&T in letting families share pools of data. The new Sprint plans are available starting Friday and reward families that need a lot of data. But the company is also keeping an unlimited-data plan that's beneficial for individuals - and competes with a similar T-Mobile offering....

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In our digital world, are young people losing the ability to read emotions?

August 22, 2014 9:32 am | by EurekAlert! | Comments

Children's social skills may be declining as they have less time for face-to-face interaction due to their increased use of digital media, according to a UCLA psychology study. UCLA scientists found that sixth-graders who went five days without even glancing at a smartphone, television or other digital screen did substantially better at reading human emotions than sixth-graders from the same school who continued to spend hours....

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Electric sparks may alter evolution of lunar soil

August 22, 2014 9:27 am | by EurekAlert! | Comments

The moon appears to be a tranquil place, but modeling done by University of New Hampshire (UNH) and NASA scientists suggests that, over the eons, periodic storms of solar energetic particles may have significantly altered the properties of the soil in the moon's coldest craters through the process of sparking....

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NASA scientists watching, studying Arctic changes this summer

August 22, 2014 9:23 am | by EurekAlert! | Comments

As we near the final month of summer in the Northern Hemisphere, NASA scientists are watching the annual seasonal melting of the Arctic sea ice cover. The floating, frozen cap that stretches across the Arctic Ocean shrinks throughout summer until beginning to regrow, typically around mid-September....

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Space Station inspired robot to help heal sick children

August 22, 2014 9:20 am | by EurekAlert! | Comments

Children love robots. In all shapes, sizes, "personalities" and "smarts," these electronic wonders have been found under Christmas trees by kids and unwrapped on birthdays for years. The gift of space-inspired robotics now goes beyond toys. They are lending a helping arm to pediatric doctors for children who require intensive surgical care....

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Playing hunger games: Are gamified health apps putting odds in your favor?

August 22, 2014 9:05 am | by EurekAlert! | Comments

For many people, finding motivation to exercise is a challenge. Thankfully, there are Zombies chasing you. At least that's the approach of Zombies, Run!—one of more than 31,000 health and fitness apps on the market today, and one of the growing number of apps that use games to increase physical activity....

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Scientists observe quantum vortices in cold helium droplets

August 22, 2014 8:56 am | by EurekAlert! | Comments

An international research team including DESY scientists has observed tiny quantum vortices in cold droplets of liquid helium. The team reports in the journal Science that the exotic vortices arrange themselves as densely packed lattices inside the nanodroplets....

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Shaping the future of nanocrystals

August 22, 2014 8:52 am | by EurekAlert! | Comments

The first direct observations of how facets form and develop on platinum nanocubes point the way towards more sophisticated and effective nanocrystal design and reveal that a nearly 150 year-old scientific law describing crystal growth breaks down at the nanoscale....

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Stanford scientists develop a water splitter that runs on an ordinary AAA battery

August 22, 2014 8:42 am | by EurekAlert! | Comments

In 2015, American consumers will finally be able to purchase fuel cell cars from Toyota and other manufacturers. Although touted as zero-emissions vehicles, most of the cars will run on hydrogen made from natural gas, a fossil fuel that contributes to global warming....

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Sunlight, not microbes, key to CO2 in Arctic

August 21, 2014 4:52 pm | by EurekAlert! | Comments

The vast reservoir of carbon stored in Arctic permafrost is gradually being converted to carbon dioxide (CO2) after entering the freshwater system in a process thought to be controlled largely by microbial activity. However, a new study – funded by the National Science Foundation and published this week in the journal Science – concludes that sunlight and not bacteria is the key to triggering the production of CO2....

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Celebrating 100 years of crystallography

August 21, 2014 4:49 pm | by EurekAlert! | Comments

To commemorate the 100th anniversary of a revolutionary technique that underpins much of modern science, Chemical & Engineering News (C&EN) magazine last week released a special edition on X-ray crystallography — its past, present and a tantalizing glimpse of its future....

Arctic sea ice influenced force of the Gulf Stream

August 21, 2014 4:47 pm | by EurekAlert! | Comments

For AWI geologist Juliane Müller the Fram Strait is a key region in the global oceanic circulation. "On the east side of this passage between Greenland and Svalbard warm Atlantic water flows to the north into the Arctic Ocean while on the west side cold Arctic water masses and sea ice push their way out of the Arctic into the North Atlantic....

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