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800 meters beneath Antarctic ice sheet, subglacial lake holds viable microbial ecosystems

August 21, 2014 11:16 am | by EurekAlert! | News | Comments

In a finding that has implications for life in other extreme environments, both on Earth and planets elsewhere in the solar system, LSU Associate Professor of Biological Sciences Brent Christner and fellow researchers funded by the National Science Foundation, or NSF, this week published a paper confirming that the waters and sediments of a lake that lies 800 meters....

AAAS: Sri Lanka images show no significant increase in public facilities, despite promises

August 21, 2014 11:10 am | by EurekAlert! | News | Comments

Thousands of Sri Lankans remain refugees five years after a long civil war, and satellite-image analysis seems to reveal many new housing-like structures and development in a military zone in the northern part of the country. However, the analysis also shows no significant increase in civic facilities despite government claims that it has seized the land for public use....

Engineering Update 72: 3D-printed Army chow

August 21, 2014 11:02 am | by Jon Dipierro, Multimedia Production Specialist | Videos | Comments

Anyone who doesn’t enjoy the taste of burnt cardboard could tell you that the Army isn’t known for its fine culinary selections. While troops can eat surprisingly well in Iraq and Afghanistan, for the most part, the military subsists on odious chow hall food or the infamous Meals Ready to Eat (or MREs)....

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Toothpaste fluorine formed in stars

August 21, 2014 10:06 am | by EurekAlert! | News | Comments

The fluorine that is found in products such as toothpaste was likely formed billions of years ago in now dead stars of the same type as our sun. This has been shown by astronomers at Lund University in Sweden, together with colleagues from Ireland and the USA....

Electric sparks may alter evolution of lunar soil

August 21, 2014 10:04 am | by EurekAlert! | News | Comments

The moon appears to be a tranquil place, but modeling done by University of New Hampshire 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—a finding that could change our understanding of the evolution of planetary surfaces in the solar system....

Beaver complex and July complex wildfires in California

August 21, 2014 9:53 am | by EurekAlert! | News | Comments

The Beaver Complex is comprised of the Salt Creek Fire (20 miles northwest of Medford) and the Oregon Gulch Fire (15 miles east of Ashland), lightning-started fires that started on July 30-31, 2014. After it was first discovered on July 31, the Oregon Gulch Fire rapidly moved southeast from the Cascade Siskiyou National Monument into the Soda Mountain Wilderness Area....

UH professor named fellow by International Astrobiology Society

August 21, 2014 9:36 am | by EurekAlert! | News | Comments

George E. Fox, a John and Rebecca Moores Professor of Biology and Biochemistry at the University of Houston (UH), was named a fellow in the International Society for the Study of the Origin of Life (ISSOL). Fox is one of four members – two from the U.S., one from France and one from Spain – chosen as fellows in 2014. Fellows are elected every three years, and 36 have been named since 1980....

Satellite eyes a big influence on Tropical Storm Karina

August 21, 2014 9:00 am | by EurekAlert! | News | Comments

NOAA's Central Pacific Hurricane Center noted that Tropical Storm Karina's next move is based on its interaction with Tropical Storm Lowell. Lowell is positioned to the east of Tropical Storm Karina in the Eastern Pacific Ocean. Karina is still well over 1,000 miles away from Hawaii and has become almost stationary as the mammoth Tropical Storm Lowell creeps closer to it....

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High school students discover stars at SMU research program

August 21, 2014 8:52 am | by EurekAlert! | News | Comments

Two Dallas high school students discovered five stars as members of a Southern Methodist University summer physics research program that enabled them to analyze data gleaned from a high-powered telescope in the New Mexico desert. All five stars discovered by Lake Highlands High School seniors Dominik Fritz and Jason Barton are eclipsing contact binary stars....

Ozone-depleting compound persists, NASA research shows

August 21, 2014 8:48 am | by EurekAlert! | News | Comments

NASA research shows Earth's atmosphere contains an unexpectedly large amount of an ozone-depleting compound from an unknown source decades after the compound was banned worldwide. Carbon tetrachloride (CCl4), which was once used in applications such as dry cleaning and as a fire-extinguishing agent, was regulated in 1987 under the Montreal Protocol along with other chlorofluorocarbons that destroy ozone and contribute to....

Building the universe pixel by pixel

August 20, 2014 1:37 pm | by Kelen Tuttle, The Kavli Foundation | Blogs | Comments

Recently, the Harvard-Smithsonian Center for Astrophysics unveiled an unprecedented simulation of the universe’s development. Called the Illustris project, the simulation depicts more than 13 billion years of cosmic evolution across a cube of the universe that’s 350-million-light-years on each side....

UAV and F/A-18 land on carrier together

August 20, 2014 12:01 pm | by Jason Lomberg, Digital Editor | Blogs | Comments

While unmanned aerial vehicles won’t replace the manned variety anytime soon, UAVs could operate alongside conventional air power in the very near future. Case in point: The Navy recently executed a carrier landing with the F/A-18 and the X-47B unmanned combat air vehicle....

Photos of the Day: A spectacular landscape of star formation

August 20, 2014 8:50 am | by EurekAlert! | News | Comments

NGC 3603 is a very bright star cluster and is famed for having the highest concentration of massive stars that have been discovered in our galaxy so far. At the centre lies a Wolf–Rayet multiple star system, known as HD 97950. Wolf–Rayet stars are at an advanced stage of stellar evolution....

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Mini-camera separates suicide bombers from citizens

August 19, 2014 10:45 am | by Kasey Panetta, Managing Editor | Blogs | Comments

If you're ever in China for business (or vacation), you had better hope that you don't have a particularly stressful day because new technology might flag you as a suicide bomber. Security fears and attacks in public places have Chinese authorities turning to less traditional means of detecting potential killers before they act....

Photos of the Day: 3D-printed blades for jet engine turbines

August 18, 2014 1:21 pm | by GE Reports | News | Comments

Engineers at the Italian aerospace company Avio have developed a breakthrough process for 3D printing light-weight metal blades for jet engine turbines. The method builds the blades from a titanium powder fused with a beam of electrons....

Scientists discover interstellar stardust

August 18, 2014 9:41 am | by EurekAlert! | News | Comments

We may joke about looking for a needle in a haystack, but that's nothing compared to searching for stardust in a foil! A new paper published in Science reveals that such work has led to the discovery of seven dust particles that are not only out of this world, they're out of this solar system....

New Milky Way maps help solve stubborn interstellar material mystery

August 15, 2014 11:38 am | by EurekAlert! | News | Comments

An international team of sky scholars, including a key researcher from Johns Hopkins, has produced new maps of the material located between the stars in the Milky Way. The results should move astronomers closer to cracking a stardust puzzle that has vexed them for nearly a century....

Engineering Newswire: Marine’s driverless jeep built on a growler

August 15, 2014 8:54 am | by Eric Sorensen, Coordinator of Multimedia Development | Videos | Comments

The Ground Unmanned Support Surrogate, Autonomous Internally Transportable Vehicle or GUSS AITV for short, is built on an M1161 Growler, a smaller vehicle than its predecessor, who was named just GUSS. Using a Commercial Off-The-Shelf sensor suite ...

Monitoring meteor showers from space

August 14, 2014 2:12 pm | by EurekAlert! | News | Comments

Those who enjoy the spectacle of the Perseids, Geminids or other annual meteor showers likely aren't thinking about where these shooting stars originated or whether they might pose a danger. Scientists, however, think about such things and will use the vantage point....

Virginia Tech unmanned aircraft test site 'fully operational,' FAA says

August 14, 2014 1:59 pm | by EurekAlert! | News | Comments

The Mid-Atlantic Aviation Partnership's Unmanned Aircraft Systems test site program is fully operational and ready to conduct research vital to integrate unmanned aircraft into the nation's airspace, Federal Aviation Administration officials announced Wednesday....

Engineering Update #71: A $52 million dollar car

August 14, 2014 1:20 pm | by Jon Dipierro, Multimedia Production Specialist | Videos | Comments

In this week's episode of the Engineering Update: A $52 million dollar car — The Ferrari GTO 250 weighs in at 1980 pounds and has a 300 horsepower v8 engine. It gets its sleek shape from placing aluminum over a wood frame and hammering it, by hand, into shape.....

Three radars are better than one: Field campaign demonstrates two new instruments

August 14, 2014 8:33 am | by EurekAlert! | News | Comments

Putting three radars on a plane to measure rainfall may seem like overkill. But for the Integrated Precipitation and Hydrology Experiment field campaign in North Carolina recently, more definitely was better. The three instruments, developed by the High Altitude Radar group ...

High-res photo satellite launched from California

August 14, 2014 8:07 am | by Associated Press | News | Comments

A satellite designed to produce high-resolution images of Earth from space was launched Wednesday from a military base on California's Central Coast. The commercial satellite known as Worldview-3 was sent into space atop an Atlas 5 rocket....

NASA's space station fix-it demo for satellites gets hardware for 2.0 update

August 13, 2014 9:10 am | by EurekAlert! | News | Comments

Who doesn't love an upgrade? Newer, better and oh so shiny is great, but what's really fantastic is when a change unlocks new possibilities. That's the case with NASA's fix-it investigation on the International Space Station, the Robotic Refueling Mission (RRM)....

Career advice from the ECN engineers

August 12, 2014 10:23 am | by Kasey Panetta, Managing Editor | Blogs | Comments

A few months ago, we asked our engineers (that’s you guys) a few questions about how you felt about retirement, engineering, and the future of the industry. (Check out the infographic or the Whiteboard in our August issue.) While we learned a lot from our experienced engineers (turns out most are happy with their careers), we also asked for some advice for engineers in the future.

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