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4,519 Current news from usa
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Sunlight degrades polystyrene faster than expected
14-Oct-2019
A study published by researchers at Woods Hole Oceanographic Institution (WHOI) shows that polystyrene, one of the world's most ubiquitous plastics, may degrade in decades or centuries when exposed to sunlight, rather than thousands of years as previously thought. "Right now, policy makers ...
WACKER Launches Production of Pyrogenic Silica in the US
04-Oct-2019
The Munich-based WACKER Group officially brought a plant for manufacturing pyrogenic silica on stream at its US site in Charleston, Tennessee. The facility has an annual production capacity of 13,000 metric tons. WACKER will use this output both for sales purposes and for its own silicone ...
'Nanochains' could increase battery capacity, cut charging time
23-Sep-2019
How long the battery of your phone or computer lasts depends on how many lithium ions can be stored in the battery's negative electrode material. If the battery runs out of these ions, it can't generate an electrical current to run a device and ultimately fails. Materials with a higher lithium ...
Nano bulb lights novel path
Rice University engineers create tunable, nanoscale, incandescent light source
23-Sep-2019
What may be viewed as the world's smallest incandescent lightbulb is shining in a Rice University engineering laboratory with the promise of advances in sensing, photonics and perhaps computing platforms beyond the limitations of silicon. Gururaj Naik of Rice's Brown School of Engineering and ...
Platinum-graphene fuel cell catalysts show superior stability over bulk platinum
20-Sep-2019
Films of platinum only two atoms thick supported by graphene could enable fuel cell catalysts with unprecedented catalytic activity and longevity, according to a study published recently by researchers at the Georgia Institute of Technology. Platinum is one of the most commonly used catalysts for ...
New route to carbon-neutral fuels from carbon dioxide discovered
18-Sep-2019
If the idea of flying on battery-powered commercial jets makes you nervous, you can relax a little. Researchers have discovered a practical starting point for converting carbon dioxide into sustainable liquid fuels, including fuels for heavier modes of transportation that may prove very difficult ...
The Alexa of chemistry
NSF puts VCU and partners on fast track to build open network
16-Sep-2019
D. Tyler McQuade, Ph.D., a professor in the Virginia Commonwealth University College of Engineering, is principal investigator of a multi-university project seeking to use artificial intelligence to help scientists come up with the perfect molecule for everything from a better shampoo to coatings ...
A chameleon-inspired smart skin changes color in the sun
13-Sep-2019
Some creatures, such as chameleons and neon tetra fish, can alter their colors to camouflage themselves, attract a mate or intimidate predators. Scientists have tried to replicate these abilities to make artificial "smart skins," but so far the materials haven't been robust. Now, researchers ...
Hard as a diamond?
Scientists predict new forms of superhard carbon
11-Sep-2019
Superhard materials can slice, drill and polish other objects. They also hold potential for creating scratch-resistant coatings that could help keep expensive equipment safe from damage. Now, science is opening the door to the development of new materials with these seductive ...
Selenium anchors could improve durability of platinum fuel cell catalysts
10-Sep-2019
Platinum has long been used as a catalyst to enable the oxidation reduction reaction at the center of fuel cell technology. But the metal's high cost is one factor that has hindered fuel cells from competing with cheaper ways of powering automobiles and homes. Now researchers at the Georgia ...
