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Magnetic fields and lasers elicit graphene secret

HZDR scientists discover extraordinarily strong electron redistribution in graphene

26-11-2014

Scientists at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) have studied the dynamics of electrons from the "wonder material" graphene in a magnetic field for the first time. This led to the discovery of a seemingly paradoxical phenomenon in the material. Its understanding could make a new type ...

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Cooling With the Coldest Matter in the World

26-11-2014

Physicists at the University of Basel have developed a new cooling technique for mechanical quantum systems. Using an ultracold atomic gas, the vibrations of a membrane were cooled down to less than 1 degree above absolute zero. This technique may enable novel studies of quantum physics and ...

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A coating that protects against heat and oxidation

25-11-2014

Gases don't conduct heat as well as solids do. Cellular or aerated concretes take advantage of this effect, which experts call "gas-phase insulation". The heat barrier is achieved by air encased in the cavities of the concrete. But gas-phase insulation has far greater potential than keeping our ...

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Discovery sheds light on nuclear reactor fuel behavior during a severe event

New discovery about melted UO2 structure will enhance understanding of reactor safety during meltdown scenario

24-11-2014

A new discovery about the atomic structure of uranium dioxide will help scientists select the best computational model to simulate severe nuclear reactor accidents. Using the Advanced Photon Source (APS), a Department of Energy (DOE) Office of Science User Facility, researchers from DOE's Argonne ...

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NRL scientists discover novel metamaterial properties within hexagonal boron nitride

24-11-2014

U.S. Naval Research Laboratory (NRL) scientists, in collaboration with researchers from the University of Manchester, U.K.; Imperial College, London; University of California San Diego; and the National Institute of Material Science (NIMS), Japan, have demonstrated that confined surface phonon ...

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Clean energy 'bio batteries' a step closer

21-11-2014

Researchers from the University of East Anglia (UEA) are a step closer to enhancing the generation of clean energy from bacteria. A report published shows how electrons hop across otherwise electrically insulating areas of bacterial proteins, and that the rate of electrical transfer is dependent ...

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Thin film produces new chemistry in 'nanoreactor'

21-11-2014

Physicists at the University of Groningen led by Professor of Functional Nanomaterials Beatriz Noheda have discovered a new manganese compound that is produced by tension in the crystal structure of terbium manganese oxide. The technique they used to create this new material could open the way to ...

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Scientists get to the heart of fool's gold as a solar material

20-11-2014

As the installation of photovoltaic solar cells continues to accelerate, scientists are looking for inexpensive materials beyond the traditional silicon that can efficiently convert sunlight into electricity. Theoretically, iron pyrite - a cheap compound that makes a common mineral known as ...

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The fundamental constants are still constant

Atomic clocks prove the stability of the mass ratio of protons to electrons

20-11-2014

Are the fundamental constants really constant? Recent investigations carried out at the Physikalisch-Technische Bundesanstalt (PTB) have shown that one essential fundamental constant - namely the mass ratio of protons to electrons - can have changed only by a maximum of one part in a million over ...

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When thawing glaciers release pollutants

19-11-2014

As glaciers increasingly melt in the wake of climate change, it is not only the landscape that is affected. Thawing glaciers also release many industrial pollutants stored in the ice into the environment. Now, within the scope of a Swiss National Science Foundation project, researchers from the ...

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