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An inexpensive rival to graphene aerogels

08-Jun-2015

The electromagnetic radiation discharged by electronic equipment and devices is known to hinder their smooth operation. Conventional materials used today to shield from incoming electromagnetic waves tend to be sheets of metal or composites, which rely on reflection as a shielding mechanism.But ...

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Fractional quantum Hall effect: Experimental progress and quantum computing applications

12-Jan-2015

The Hall effect, discovered in 1879, is observable when a Hall voltage perpendicular to the current is produced across a conductor under a magnetic field. Although the Hall effect was discovered in a sheet of gold leaf by Edwin Hall, this effect does not require a two-dimensional condition.A ...

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Transformations of diazo compounds catalyzed by environmentally benign iron complexes

08-Jan-2015

Catalysis can be used to enhance the reactivity and selectivity of specific chemical transformations and decrease the amount of energy consumed by these processes. Most catalytic reactions fulfill the criteria for a sustainable transformation on the macroscopic scale, and a wide variety of ...

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Future batteries: Lithium-sulfur with a graphene wrapper

UK-China team has designed a novel cathode for rechargeable lithium-sulfur batteries featuring a thin 'wrap sandwich' sheet of graphene

18-Dec-2014

What do you get when you wrap a thin sheet of the "wonder material" graphene around a novel multifunctional sulfur electrode that combines an energy storage unit and electron/ion transfer networks? An extremely promising electrode structure design for rechargeable lithium-sulfur ...

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“Airpocalypse” explained

The causes of China’s record level fine particulate pollution in winter 2013

25-Sep-2014

At the beginning of 2013 a greyish-brown blanket of smog lay over large areas of China for several months. The fine particle pollution was higher by 1 to 2 orders of magnitude than the levels normally measured in Western Europe and the United States. An international team of researchers under the ...

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BASF expands Innovation Campus Asia Pacific in Shanghai

04-Aug-2014

BASF broke ground on the second phase of its Innovation Campus Asia Pacific at its Pudong site in Shanghai, China. The €90 million expansion consists of an additional regional research and development (R&D) building and auxiliary facilities and it will be completed by the end of 2015. “By 2020, ...

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Brain process takes paper shape

14-Feb-2014

A paper-based device that mimics the electrochemical signalling in the human brain has been created by a group of researchers from China. The thin-film transistor (TFT) has been designed to replicate the junction between two neurons, known as a biological synapse, and could become a key component ...

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First comprehensive test to detect genetic modification in food

17-Jan-2014

As the abundance of genetically modified (GM) foods continues to grow, so does the demand for monitoring and labeling them. The genes of GM plants used for food are tweaked to make them more healthful or pest-resistant, but some consumers are wary of such changes. To help inform shoppers and ...

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Turning waste into power with bacteria — and loofahs

06-Dec-2013

Loofahs, best known for their use in exfoliating skin to soft, radiant perfection, have emerged as a new potential tool to advance sustainability efforts on two fronts at the same time: energy and waste. The study describes the pairing of loofahs with bacteria to create a power-generating ...

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Marine plant replacement for platinum in solar cells

05-Dec-2013

An international research team has shown that that the power conversion efficiency of sea tangle extract is comparable to platinum in solar cell electrodes. Dye-sensitized solar cells (DSCs) are quickly becoming a widespread and affordable alternative to photovoltaic solar cells. The electrode ...

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