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Light Pulses Control Graphene's Electrical Behavior

August 4, 2014 5:52 pm | by Massachusetts Institute of Technology | Comments

Graphene, an ultrathin form of carbon with exceptional electrical, optical, and mechanical properties, has become a focus of research on a variety of potential uses. Now researchers at MIT have found a way to control how the ...  

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A Closer Look: Secure Your Phone without Passcodes

August 4, 2014 5:41 pm | by Anick Jesdanun, AP Technology Writer | Comments

Passcodes are outdated. They're a pain to use, and they aren't secure when they are based on easy-to-guess digits, such as a birth date or street address. Many people don't bother using them on phones, even though that means any thief can get instant access to email, banking apps and more...

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Bottling Up Sound Waves

August 4, 2014 5:31 pm | by DOE/Lawrence Berkeley National Laboratory | Comments

There’s a new wave of sound on the horizon carrying with it a broad scope of tantalizing potential applications, including advanced ultrasonic imaging and therapy, and acoustic cloaking, levitation and particle manipulation. Researchers have developed a technique for generating acoustic bottles...

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No-Power Wi-Fi Connectivity Could Fuel IoT Reality

August 4, 2014 5:25 pm | by University of Washington | Comments

Imagine a world in which your wristwatch or other wearable device communicates directly with your online profiles, storing information about your daily activities where you can best access it – all without requiring batteries. Or, battery-free sensors embedded around your home could track minute-by-minute temperature changes...

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Minuscule Chips for NMR Spectroscopy Promise Portability, Parallelization

August 4, 2014 5:18 pm | by Harvard University | Comments

A team of engineers have created a truly portable device for nuclear magnetic resonance spectroscopy (NMR). NMR spectroscopy is a technique that perturbs protons within a molecule to glean important clues about its structure. It can identify unknown substances, detect very slight variations...

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Solar Car Completes Initial Off-Road Testing

August 4, 2014 11:33 am | by Nuon Solar Team | Comments

The Nuon Solar Team successfully completed their initial off-road training, which took place in Safaripark Beekse Bergen in The Netherlands. They trained in preparation for the world’s longest solar race, the Sasol Solar Challenge, that will take place in South Africa starting from 27 September...

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Photos of the Day: The World's Fastest Solar-Powered Car Goes Off-Road

August 4, 2014 11:33 am | by Nuon Solar Team | Comments

Nuna, the world’s fastest solar-powered car, found itself amidst a parade of zebras and giraffes, and even encountered several cheetahs. In the wild, these cheetahs can run about as fast as Nuna drives during a solar-powered race – approximately ...

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Nanoscale Details of Electrochemical Reactions in EV Battery Materials

August 4, 2014 11:22 am | by Brookhaven National Laboratory | Comments

Using a new method to track the electrochemical reactions in a common electric vehicle battery material under operating conditions, scientists at the U.S. Department of Energy's Brookhaven National Laboratory have revealed new insight into why fast charging inhibits this material's performance...

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On-Chip Topological Light

August 4, 2014 11:04 am | by Joint Quantum Institute | Comments

Topological transport of light is the photonic analog of topological electron flow in certain semiconductors. In the electron case, the current flows around the edge of the material but not through the bulk. It is "topological" in that even if electrons encounter impurities in the material the electrons will continue to flow without losing energy.

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Keysight Technologies Begins Operations

August 4, 2014 10:53 am | by Keysight Technologies | Comments

Keysight Technologies announced the electronic measurement business of Agilent Technologies has begun operating under the Keysight name. It will remain a wholly owned subsidiary of Agilent Technologies until early November when the separation is expected...

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'Wetting' a Battery's Appetite for Renewable Energy Storage

August 4, 2014 10:49 am | by DOE/Pacific Northwest National Laboratory | Comments

Sun, wind and other renewable energy sources could make up a larger portion of the electricity America consumes if better batteries could be built to store the intermittent energy for cloudy, windless days. Now a new material could allow more utilities to store large amounts...

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MRI Technique for Peeking Inside Battery-Like Devices

August 4, 2014 10:43 am | by New York University | Comments

A team of chemists has developed a method for examining the inner workings of battery-like devices called supercapacitors, which can be charged up extremely quickly and can deliver high electrical power. Their technique, based on magnetic resonance imaging...

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Microsoft Sues Samsung in Royalty Dispute

August 4, 2014 10:38 am | by The Associated Press | Comments

Microsoft said Friday it is suing Samsung for threatening to stop paying Microsoft royalties for patents behind the Android operating system. The two companies came to a deal in September 2011 to cross-license each other's patent portfolios...

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NFL Sideline Tech Inches Forward, Still No Video

August 4, 2014 10:24 am | by Rachel Cohen, AP Sports Writer | Comments

NFL teams used to take Polaroid pictures of plays from atop the stadium during games then send them down to the field on a rope. Technology improved so that an automated camera could deliver the images to a printer on the sideline, creating that familiar sight of a quarterback...

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Thailand's Censors Ban 'Tropico 5' Computer Game

August 4, 2014 9:58 am | by The Associated Press | Comments

Censors under Thailand's military junta have banned a city-building simulation computer game, saying it could hurt the country's security, a video game distributor said Monday. The film and video censorship office blocked sales of "Tropico 5" because they feared...

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