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New paper examines hydrogen at high pressure

19-Apr-2016

Hydrogen is the most abundant element found in the universe, making up nearly three-quarters of all matter. Despite its prevalence, questions about the element remain. In a new paper published by Nature Communications, a team of researchers, including scientists from Lawrence Livermore National ...

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Graphene is strong, but is it tough?

08-Feb-2016

Graphene, a material consisting of a single layer of carbon atoms, has been touted as the strongest material known to exist, 200 times stronger than steel, lighter than paper, and with extraordinary mechanical and electrical properties. But can it live up to its promise? Scientists at the U.S. ...

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NMR under pressure: Reproducing deep-Earth chemistry

16-Jul-2014

A new pressure cell invented by UC Davis researchers makes it possible to simulate chemical reactions deep in the Earth's crust. The cell allows researchers to perform nuclear magnetic resonance (NMR) measurements on as little as 10 microliters of liquid at pressures up to 20 kiloBar. "NMR is our ...

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Beyond peer review: manage errors in research data

19-Sep-2013

Traditional peer review is not enough to ensure data quality amid the recent boom in scientific research findings, according to results of a 10-year collaboration between the National Institute of Standards and Technology (NIST) and five technical journals. While production of research data is ...

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Deep Earth heat surprise

13-Aug-2013

The key to understanding Earth's evolution is to look at how heat is conducted in the deep lower mantle—a region some 400 to 1,800 miles (660 to 2,900 kilometers) below the surface. Researchers at the Carnegie Institution, with colleagues at the University of Illinois, have for the first time ...

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Surprise superconductor

03-Jul-2013

Superconductivity is a rare physical state in which matter is able to conduct electricity—maintain a flow of electrons—without any resistance. This phenomenon can only be found in certain materials under specific low-temperature and high-pressure conditions. Research to create superconductors at ...

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Diamond catalyst shows promise in breaching age-old barrier

02-Jul-2013

In the world, there are a lot of small molecules people would like to get rid of, or at least convert to something useful, according to University of Wisconsin-Madison chemist Robert J. Hamers. Think carbon dioxide, the greenhouse gas most responsible for far-reaching effects on global climate. ...

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Sound waves precisely position nanowires

20-Jun-2013

The smaller components become, the more difficult it is to create patterns in an economical and reproducible way, according to an interdisciplinary team of Penn State researchers who, using sound waves, can place nanowires in repeatable patterns for potential use in a variety of sensors, ...

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Tiny bubbles in your metallic glass may not be a cause for celebration

07-Jun-2013

Bubbles in a champagne glass may add a festive fizz to the drink, but microscopic bubbles that form in a material called metallic glass can signal serious trouble. In this normally high-strength material, bubbles may indicate that a brittle breakdown is in progress. That's why Johns Hopkins ...

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Nanotechnology imaging breakthrough

11-Apr-2013

A team of researchers has made a major breakthrough in measuring the structure of nanomaterials under extremely high pressures. For the first time, they developed a way to get around the severe distortions of high-energy X-ray beams that are used to image the structure of a gold nanocrystal. The ...

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