How can we burn natural gas without releasing CO2 into the air? This feat is achieved using a special combustion method that TU Wien has been researching for years: chemical looping combustion (CLC). In this process, CO2 can be isolated during combustion without having to use any additional energy, which means it can then go on to be stored. This prevents it from being released into the atmosphere.
The method had already been applied successfully in a test facility with 100 kW fuel power. An international research project has now managed to increase the scale of the technology significantly, thus creating all the necessary conditions to enable a fully functional demonstration facility to be built in the 10 MW range.
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By introducing defects into the perfect surface of graphene on silicon carbide, researchers at LiU have increased the capacity of the material to store electrical charge. This result, which has been published in the scientific journal Electrochimica Acta, increases our knowledge of how this ultrathin material can be used.
The thinnest material ever produced, graphene, consists of a single layer of carbon atoms. They form a chicken-wire structure one atom thick, with unique properties. It is around 200 times stronger than steel, and highly flexible. It is transparent, but gases and liquids cannot pass through it. In addition, it is an excellent conductor of electricity. There are many ideas about how this nanomaterial can be used, and research into future applications is intense.
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Nanometric-sized water drops are everywhere - in the air as droplets or aerosols, in our bodies as medication, and in the earth, within rocks and oil fields. To understand the behavior of these drops, it is necessary to know how they interact with their hydrophobic environment. This interaction takes places at the curved droplet interface, a sub-nanometric region that surrounds the small pocket of water. Researchers from EPFL, in collaboration with the institute AMOLF in the Netherlands, were able to observe what was going on in this particular region. They discovered that molecules on the surface of the drops were much more ordered than expected. Their surprising results have been published in Nature Communications. They pave the way to a better understanding of atmospheric, biological and geological processes.
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“I’m strong to the finich, ‘cause I eats me spinach!” said Popeye the Sailor Man.
While you may not gulp spinach by the can-fuls, if you love spanakopita or your go-to appetizer is spinach artichoke dip, then you’ll be excited to know that new research out of Boyce Thompson Institute (BTI) will make it even easier to improve this nutritious and delicious, leafy green.
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The vast majority of cow-calf producers in Tennessee and the Southeast using a defined calving season have long favored spring calving; however, researchers at the University of Tennessee Institute of Agriculture have evaluated the risk and returns for a fall calving season, proving once again that timing is everything.
Selecting an optimal calving season involves a complex set of factors including nutritional demands of brood cows, forage availability, calf weaning weights, calving rates, seasonality in cattle, and feed prices and labor availability.
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Wolves and other top predators need large ranges to be able to control smaller predators whose populations have expanded to the detriment of a balanced ecosystem.
That’s the main finding of a study appearing May 23 in Nature Communications that analyzed the relationship between top predators on three different continents and the next-in-line predators they eat and compete with. The results were similar across continents, showing that as top predators’ ranges were cut back and fragmented, they were no longer able to control smaller predators.
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