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4,554 Current news from usa
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A new 'cool' blue
Inexpensive, durable and more environmentally friendly
17-Jan-2020
Throughout history, people have sought vibrant blue pigments. The Egyptians and Babylonians used lapis lazuli 6,000 years ago. In 1802, a French chemist synthesized cobalt blue. More recently, in 2009 scientists discovered YInMn Blue, otherwise known as "Oregon Blue." But most of these pigments ...
Bacteria and sand engineered into living concrete
17-Jan-2020
Cement and concrete haven't changed much as technology in over a hundred years, but researchers in Colorado are revolutionizing building materials by literally bringing them to life. The method developed, presented January 15 in the journal Matter, combines sand and bacteria to build a living ...
Not so fast: Some batteries can be pushed too far
Scientists find overabundance of intentional defects can cause battery cathodes to fail
16-Jan-2020
Intentional defects in batteries have given Rice University scientists a window into the hazards of pushing lithium-ion cells too far. New simulations by Rice materials scientist Ming Tang and graduate student Kaiqi Yang, detailed in the Journal of Materials Chemistry A, shows too much stress in ...
How to make it easier to turn plant waste into biofuels
Innovative process to rapidly dissolve plant fibers
16-Jan-2020
Researchers have developed a new process that could make it much cheaper to produce biofuels such as ethanol from plant waste and reduce reliance on fossil fuels. Their approach, featuring an ammonia-salt based solvent that rapidly turns plant fibers into sugars needed to make ethanol, works well ...
Waters to Acquire Andrew Alliance
15-Jan-2020
Waters Corporation announced that it has entered into a definitive agreement to acquire Andrew Alliance, an innovator in specialty laboratory automation technology, including software and robotics. Andrew Alliance’s cloud-native software platform and modern interface dramatically improves the use ...
Engineers develop 'chameleon metals' that change surfaces in response to heat
15-Jan-2020
Just like a chameleon changes its skin color in response to its environment, engineers have found a way for liquid metal - and potentially solid metal - to change its surface structure in response to heat. Treating particles of liquid metal alloys with heat causes them to roughen their surfaces ...
A new method to study lithium dendrites could lead to better, safer batteries
14-Jan-2020
Lithium ion batteries often grow needle-like structures between electrodes that can short out the batteries and sometimes cause fires. Now, an international team of researchers has found a way to grow and observe these structures to understand ways to stop or prevent their appearance. "It is ...
Researchers discover new building blocks of catalyst zeolite nanopores
Work offers advances in materials for clean energy and carbon capture
13-Jan-2020
Zeolites crystals, used among other things for refining petroleum to gasoline and biomass into biofuels, are the most-used catalysts by weight on the planet, and discovering mechanisms of how they form has been of intense interest to the chemical industry and related researchers, say chemist ...
Researchers create nanoscale sensors to better see how high pressure affects materials
08-Jan-2020
Researchers have developed new nanoscale technology to image and measure more of the stresses and strains on materials under high pressures. As the researchers reported in the journal Science, that matters because, "Pressure alters the physical, chemical and electronic properties of ...
A quantum breakthrough brings a technique from astronomy to the nano-scale
Multi-messenger approach allows to probe electronic and magnetic materials at ultra-small length scales
07-Jan-2020
Researchers at Columbia University and University of California, San Diego, have introduced a novel "multi-messenger" approach to quantum physics that signifies a technological leap in how scientists can explore quantum materials. "We have brought a technique from the inter-galactic scale down to ...
