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Why can hot water freeze faster than cold water?

16-Nov-2017

The researchers have confirmed how this phenomenon occurs in granular fluids, that is, those composed of particles that are very small and interact among those that lose part of their kinetic energy. Thanks to this theoretical characterization, "we can simulate on a computer and make analytical ...

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Metrohm acquires majority of DropSens

20-Sep-2017

The Switzerland-based Metrohm AG is pleased to announce the acquisition of the majority of share in DropSens S.L. The acquisition comes after a longer period of successful cooperation between the two companies in the development of screen-printed electrodes and portable electrochemical ...

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New algorithm finds the optimal bond breaking point for single molecules

02-Aug-2017

Recent developments in atomic-force microscopy have enabled researchers to apply mechanical forces to individual molecules to induce chemical reactions. A research team from Spain and Germany has now developed a first-of-its-kind algorithm that determines the minimal force it takes to reach the ...

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A hybrid material to spot organic contaminants in the atmosphere

31-Jul-2017

The development of hybrid materials is an emerging field in materials science. As the researcher explained, the interest in these materials stems from "the success in combining that stability of inorganic components with the versatility of organic components. Blending them causes the properties ...

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Ultra-compact phase modulators based on graphene plasmons

29-Jun-2017

Modulating the amplitude and phase of light is a key ingredient for many of applications such as wavefront shaping, transformation optics, phased arrays, modulators and sensors. Performing this task with high efficiency and small footprint is a major challenge for the development of ...

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State-of-the-art text mining technologies for chemistry

23-Jun-2017

The Biological Text Mining Unit at the Spanish National Cancer Research Centre (CNIO) together with with researchers at the Center for Applied Medical Research (CIMA), of the University of Navarra, in Pamplona, and the Barcelona Supercomputing Centre (BSC-CNS) have published the first exhaustive ...

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The first nanometrically-sized superelastic alloy

14-Jun-2017

UPV/EHU-University of the Basque Country's researchers have explored superelasticity properties on a nanometric scale based on shearing an alloy's pillars down to nanometric size. The researchers have found that below one micron in diameter the material behaves differently and requires much ...

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Quantum nanoscope

Seeing electrons surfing the waves of light on graphene

09-Jun-2017

Researchers have studied how light can be used to “see” the quantum nature of an electronic material. They managed to do that by capturing light in a net of carbon atoms and slowing down light it down so that it moves almost as slow as the electrons in the graphene. Then something special ...

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Graphene and quantum dots put in motion a CMOS-integrated camera that can see the invisible

31-May-2017

Over the past 40 years, microelectronics have advanced by leaps and bounds thanks to silicon and CMOS (Complementary metal-oxide semiconductors) technology, making possible computing, smartphones, compact and low-cost digital cameras, as well as most of the electronic gadgets we rely on ...

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Nickel: A greener route to fatty acids

05-May-2017

Chemists designed a nickel catalyst that easily transforms petroleum feedstocks into valuable compounds like fatty acids. The process is environmentally friendly: not only it works at room temperature and atmospheric pressure, but also recycles carbon dioxide, contributing to the fight against ...

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