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Duplicate or mirror? Laser light determines chirality of molecules

19-Mar-2019

Seven of the ten most frequent medications contain chiral agents. These are molecules that occur in right- or left-handed forms. During chemical synthesis both forms usually occur in equal parts and have to be separated afterward, because chirality determines the agent’s effect in the body. ...

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Ocean sink for man-made CO2 measured

18-Mar-2019

An international research project led by scientists from ETH Zurich has determined the amount of man-made CO2 emissions taken up by the ocean between 1994 and 2007. Not all of the CO2 generated during the combustion of fossil fuels remains in the atmosphere and contributes to global warming. The ...

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Lightweight metal foams become bone hard and explosion proof after being nanocoated

18-Mar-2019

Strong enough not only for use in impact protection systems in cars, but able to absorb the shock waves produced by a detonation. Those are just some of the properties shown by the metallic foams developed by materials scientists Stefan Diebels and Anne Jung at Saarland University. Their super ...

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Cause of cathode degradation identified for nickel-rich materials

Combination of research methods reveals causes of capacity fading, giving better insight to design advanced batteries for electric vehicles

18-Mar-2019

A team of scientists including researchers at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and SLAC National Accelerator Laboratory have identified the causes of degradation in a cathode material for lithium-ion batteries, as well as possible remedies. Their findings, ...

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Converting biomass by applying mechanical force

15-Mar-2019

One of the greatest global challenges is the efficient use of renewable sources in order to meet the increasing demand for energy and feedstock chemicals in the future. In this context, biomass is a promising alternative to existing fossil sources such as coal or oil. Cellulose plays a decisive ...

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Research team uses artificial muscles to develop an air conditioner for the future

14-Mar-2019

It can be used to cool or heat the air in a room or to cool or heat liquids. And it looks like something that Q – the tech specialist and gadgeteer in the James Bond films – might have come up with. The prototype device, which has been developed by a research team led by Professors Stefan ...

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Fuel cell vehicles: New sensor system safeguards fuel quality at hydrogen filling stations

14-Mar-2019

Fuel cell vehicles need hydrogen to operate, but that hydrogen has to be free of any contaminants that could damage the fuel cell. Professor Andreas Schütze and his research team at Saarland University are collaborating with research partners to develop a sensor system that can provide continuous ...

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1 + 1 does not equal 2 for graphene-like 2D materials

13-Mar-2019

Physicists from the University of Sheffield have discovered that when two atomically thin graphene-like materials are placed on top of each other their properties change, and a material with novel hybrid properties emerges, paving the way for design of new materials and nano-devices. This happens ...

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Breakthrough could enable cheaper infrared cameras

12-Mar-2019

There's an entire world our eyes miss, hidden in the ranges of light wavelengths that human eyes can't see. But infrared cameras can pick up the secret light emitted as plants photosynthesize, as cool stars burn and batteries get hot. They can see through smoke and fog and plastic. But infrared ...

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Super superlattices: The moiré patterns of three layers change the electronic properties of graphene

12-Mar-2019

Combining an atomically thin graphene and a boron nitride layer at a slightly rotated angle changes their electrical properties. Physicists at the University of Basel have now shown for the first time the combination with a third layer can result in new material properties also in a three-layer ...

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