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Rechargeable LED flashlight offers up to 25 hours of run time

August 22, 2014 9:28 am | Pelican Products, Inc. | Product Releases | Comments

Pelican Products Inc. (Torrance, CA) has introduced the Pelican ProGear 2380R rechargeable LED flashlight. The lightweight rechargeable LED flashlight weighs in at 6.6 ounces with batteries and provides extreme versatility. Using Fraen patented dual reflector optics ...

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Electric sparks may alter evolution of lunar soil

August 22, 2014 9:27 am | by EurekAlert! | News | 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! | News | 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! | News | 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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DC/DC converters feature typical efficiency of 86%

August 22, 2014 9:15 am | Beta Dyne | Product Releases | Comments

The FWA15S and FWA15D series from Beta Dyne (Bridgewater, MA) of regulated 15W single & dual DC/DC converters feature industry standard pinout in a standard 2" x 1" metal package with a minimum isolation voltage of 2000Vdc, maximum efficiency of 86%....

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Orgasm rates for single women less predictable than men's, vary by sexual orientation

August 22, 2014 9:10 am | by EurekAlert! | News | Comments

A new study of American singles found that during sex with a familiar partner, men have the highest orgasm rates. On average, men experience orgasm 85.1 percent of the time, with their sexual orientation making little difference. For women, however, orgasm occurrence is less predictable....

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

August 22, 2014 9:05 am | by EurekAlert! | News | 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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Despite a significant reduction in smog-producing toxins, the Greater Toronto Area still violates Canada's standards for ozone air pollution

August 22, 2014 9:00 am | by EurekAlert! | News | Comments

Despite a significant reduction in smog-producing toxins in past decade, GTA still violates Canada's ozone standards. A new study shows that while the Greater Toronto Area (GTA) has significantly reduced some of the toxins that contribute to smog, the city continues to violate the Canada-wide standards for ozone air pollution....

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Scientists observe quantum vortices in cold helium droplets

August 22, 2014 8:56 am | by EurekAlert! | News | 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! | News | 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! | News | 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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Part 1, Screaming Circuits and the Maker community

August 22, 2014 8:36 am | by Screaming Circuits | Blogs | Comments

Can Screaming Circuits, a full-service assembly provider, compete with a “no-frills” assembly house? Upon first thought, it might seem like like Screaming Circuits, would be too expensive for anything but well-funded big-business and big-education. In reality, that may not at...

Sunlight, not microbes, key to CO2 in Arctic

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