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Electrolyte rids batteries of short-circuiting fibers

February 24, 2015 | by Frances White, PNNL | News | Comments

Dendrites create fire hazards and can limit the ability of batteries to power our smart phones and store renewable energy for a rainy day. Now a new electrolyte for lithium batteries that's described in Nature Communications eliminates dendrites while also enabling batteries to be highly efficient and carry a large amount of electric current.

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Moving molecule writes letters

February 27, 2015 11:55 am | by Andreas Battenberg, TUM | News | Comments

On the search for high-performance materials for applications such as gas storage, thermal insulators or dynamic nanosystems it’s essential to understand the thermal behavior of matter down to the molecular level. Classical thermodynamics average over time and over a large number of molecules. Within a 3-D space single molecules can adopt an almost infinite number of states, making the assessment of individual species nearly impossible.

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Untangling DNA with a droplet of water, pipet and polymer

February 27, 2015 11:42 am | by KU Leuven | News | Comments

Researchers have long sought an efficient way to untangle DNA in order to study its structure under a microscope. Now, chemists and engineers at KU Leuven have devised a strikingly simple and effective solution: They inject genetic material into a droplet of water and use a pipet tip to drag it over a glass plate covered with a sticky polymer.

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February 2015 Issue of R&D Magazine

February 27, 2015 10:44 am | by R&D Magazine Editors | Digital Editions | Comments

This month's issue of R&D Magazine has a cover story on the promises and limitations of lab automation systems in R&D. New systems with new capabilities promise to upgrade R&D lab operations, but they won't solve the needs of all researchers. Our editors also include features on 3-D printing, sustainable lab design, super-resolution microscopy, PV technology and more.

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Sun has more impact on climate in cool periods

February 27, 2015 10:24 am | by Aarhus Univ. | News | Comments

The activity of the sun is an important factor in the complex interaction that controls our climate. New research now shows the impact of the sun isn’t constant over time, but has greater significance when the Earth is cooler. There has been much discussion as to whether variations in the strength of the sun have played a role in triggering climate change in the past.

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3-D printed parts to provide low-cost, custom alternatives for lab equipment

February 27, 2015 10:14 am | by Raphael Rosen, Princeton Plasma Physics Laboratory Communications | News | Comments

The 3-D printing scene, a growing favorite of do-it-yourselfers, has spread to the study of plasma physics. With a series of experiments, researchers at the Princeton Plasma Physics Laboratory have found that 3-D printers can be an important tool in laboratory environments.

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QR codes engineered into cybersecurity protection

February 27, 2015 10:03 am | by Colin Poitras, UConn | News | Comments

QR, or quick response, codes have been used to convey information about everything from cereals to cars and new homes. But, Univ. of Connecticut researchers think the codes have a greater potential: protecting national security. Using advanced 3-D optical imaging and extremely low light photon counting encryption the team has taken a QR code and transformed it into a high-end cybersecurity application.

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New filter could advance terahertz data transmission

February 27, 2015 9:53 am | by Vincent Horiuchi, Univ. of Utah | News | Comments

Univ. of Utah engineers have discovered a new approach for designing filters capable of separating different frequencies in the terahertz spectrum, the next generation of communications bandwidth that could allow cellphone users and Internet surfers to download data a thousand times faster than today. Once the filter is designed, it can be fabricated using an off-the-shelf inkjet printer.

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Monster black hole discovered at cosmic dawn

February 27, 2015 8:33 am | by Daniel Stolte, Univ. of Arizona Communications | News | Comments

Scientists have discovered the brightest quasar in the early universe, powered by the most massive black hole yet known at that time. The discovery of this quasar, named SDSS J0100+2802, marks an important step in understanding how quasars, the most powerful objects in the universe, have evolved from the earliest epoch, only 900 million years after the Big Bang, which is thought to have happened 13.7 billion years ago.

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Electrochemical “fingers” unlock battery’s inner potential

February 27, 2015 8:18 am | by Justin Eure, Brookhaven National Laboratory | Videos | Comments

Lithium-ion batteries unleash electricity as electrochemical reactions spread through active materials. Manipulating this complex process and driving the reactions into the energy-rich heart of each part of these active materials is crucial to optimizing the power output and ultimate energy capacity of these batteries. Now, scientists have mapped these atomic-scale reaction pathways and linked them to the battery’s rate of discharge.

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Cancer drug first tested in dogs begins human trials

February 27, 2015 8:03 am | by Diana Yates, Life Sciences Editor, Univ. of Illinois | News | Comments

A new drug that prompts cancer cells to self-destruct while sparing healthy cells is now entering phase I clinical trials in humans. The drug, called PAC-1, first showed promise in the treatment of pet dogs with spontaneously occurring cancers, and is still in clinical trials in dogs with osteosarcoma.

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Research signals big future for quantum radar

February 27, 2015 7:55 am | by David Garner, Univ. of York | News | Comments

A prototype quantum radar that has the potential to detect objects which are invisible to conventional systems has been developed by an international research team led by a quantum information scientist at the Univ. of York. The new breed of radar is a hybrid system that uses quantum correlation between microwave and optical beams to detect objects of low reflectivity, such as cancer cells or aircraft with a stealth capability.

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“Ecosystem services” help assess ocean energy development

February 27, 2015 7:47 am | by David Orenstein, Brown Univ. | News | Comments

With many projects under development in coastal regions such as New England, tidal power seems poised to join other U.S. commercial power sources. A new study finds that little is known of the impacts that tidal power projects may have on coastal environments and the people who depend on them, but that the perspective of “ecosystem services” could provide a promising framework for evaluating impacts.

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Economic models provide insights into global sustainability challenges

February 27, 2015 7:40 am | by Natalie van Hoose, Purdue Univ. | News | Comments

Using models that blend global economics, geography, ecology and environmental sciences is essential to understanding how changes in trade and natural systems in one part of the world affect those in another, a review concludes. An interdisciplinary team of experts determined how systems integration could shed insights on how activities in one part of the world can have significant impacts on distant regions.

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New peanut allergy test goes beyond scratching the surface

February 27, 2015 7:33 am | by Colin Poitras, UConn | News | Comments

Current peanut allergy tests are not very reliable when it comes to diagnosing the severity of an individual’s allergic reaction, which can range from hives to life-threatening anaphylactic shock. With an estimated three million people in the U.S. allergic to peanuts and tree nuts, having a more precise and reliable allergy test could prevent hospitalizations and allow for better monitoring of individuals suffering from peanut allergies.

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The big melt: Antarctica's retreating ice may re-shape Earth

February 27, 2015 1:08 am | by Luis Andres Henao and Seth Borenstein, Associated Press | News | Comments

From the ground in this extreme northern part of Antarctica, spectacularly white and blinding ice seems to extend forever. What can't be seen is the battle raging underfoot to re-shape Earth. Water is eating away at the Antarctic ice, melting it where it hits the oceans. As the ice sheets slowly thaw, water pours into the sea—130 billion tons of ice (118 billion metric tons) per year for the past decade.

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