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New electron spin secrets revealed

November 10, 2014 12:28 pm | by EurekAlert! | Comments

Researchers from the Norwegian University of Science and Technology (NTNU) and the University of Cambridge in the UK have demonstrated that it is possible to directly generate an electric current in a magnetic material by rotating its magnetization....

Good vibrations give electrons excitations that rock an insulator to go metallic

November 10, 2014 12:24 pm | by EurekAlert! | Comments

For more than 50 years, scientists have debated what turns particular oxide insulators, in which electrons barely move, into metals, in which electrons flow freely. Some scientists sided with Nobel Prize-winning physicist Nevill Mott in thinking direct interactions ...

A billion holes can make a battery

November 10, 2014 12:20 pm | by EurekAlert! | Comments

Researchers at the University of Maryland have invented a single tiny structure that includes all the components of a battery that they say could bring about the ultimate miniaturization of energy storage components. The structure is called ...

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Heat transfer sets the noise floor for ultrasensitive electronics

November 10, 2014 12:14 pm | by EurekAlert! | Comments

A team of engineers and scientists has identified a source of electronic noise that could affect the functioning of instruments operating at very low temperatures, such as devices used in radio telescopes and advanced physics experiments....

Laptop-cooling technology are way to less-thirsty power plants

November 10, 2014 12:09 pm | by EurekAlert! | Comments

Every minute in the United States, power plants that generate electricity use nearly triple the amount of water that surges over Niagara Falls during that same time, according to the Union of Concerned Scientists. In an era of drought and diminishing aquifers ...

NASA: Comet bombarded Mars sky with meteor shower

November 10, 2014 12:04 pm | by SETH BORENSTEIN, AP Science Writer | Comments

A pristine distant comet created a once-in-8-million-year fireworks show above Mars last month. But no one got to see it live. New NASA data from satellites circling Mars shows that when the comet named Siding Spring skimmed the red planet ...

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US agencies struggle vs. cyberattacks

November 10, 2014 11:59 am | by MARTHA MENDOZA, AP National Writer | Comments

A $10 billion-a-year effort to protect sensitive government data, from military secrets to Social Security numbers, is struggling to keep pace with an increasing number of cyberattacks and is unwittingly being undermined by federal employees and contractors....

Army addresses challenges of remote robot lethality

November 10, 2014 7:54 am | by U.S. Army | Comments

In popular culture, the idea of robots that perform human-like functions has a special hold on the imagination, based on real-life examples like space exploration, unmanned aerial drones and stoked by futuristic scenarios in movies like the "Terminator" series....

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One of Army's top priorities is building lighter communications systems

November 10, 2014 7:53 am | by U.S. Army | Comments

The Army's general in charge of all things tied to the network said one of his top priorities is to build lighter communications systems, during the Association of the U.S. Army Institute of Land Warfare breakfast, Nov. 5, 2014, in Arlington, Virginia....

Mars spacecraft reveal comet flyby effects on Martian atmosphere

November 10, 2014 7:51 am | by NASA | Comments

Two NASA and one European spacecraft that obtained the first up-close observations of a comet flyby of Mars on Oct. 19, have gathered new information about the basic properties of the comet’s nucleus and directly detected the effects on the Martian atmosphere....

Wayward comet buzzes Mars

November 7, 2014 4:21 pm | Comments

Two NASA and one European spacecraft, including NASA's MAVEN mission led by the University of Colorado Boulder, have gathered new information about the basic properties of a wayward comet that buzzed by Mars Oct. 19, directly detecting its effects on the Martian atmosphere.

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Home Depot: Hackers also stole 53M email addresses

November 7, 2014 10:48 am | by ANNE D'INNOCENZIO and SARAH SKIDMORE SELL, AP Business Writers | Comments

Hackers stole 53 million email addresses in addition to customers' card data, Home Depot said Thursday. The nation's largest home improvement chain had disclosed the massive, months-long breach of 56 million debit and credit cards in September.

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Using light to transfer computer data

November 7, 2014 10:45 am | by Eurekalert! | Comments

New research published today in the journal Nature Communications, has demonstrated how glass can be manipulated to create a material that will allow computers to transfer information using light. This development could significantly increase computer processing speeds and power in the future.

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"Supercapacitors" combine with regular batteries to boost the power of electric cars

November 6, 2014 4:35 pm | by EurekAlert! | Comments

A car powered by its own body panels could soon be driving on our roads after a breakthrough in nanotechnology research by a QUT team. Researchers have developed lightweight "supercapacitors" that can be combined with regular batteries....

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Greater use of social media gets science, scientists noticed, study says

November 6, 2014 4:31 pm | by EurekAlert! | Comments

Here is an idea worth following: "share" for tenure; "like" to get cited. Academic researchers are turning to social media more and more, according to Dominique Brossard, and not just to post family photos or crack wise via hashtag. It's the venue....

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