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Cellular contamination pathway for plutonium, other heavy elements, identified

Scientists find that an iron-binding protein can transport actinides into cells


Scientists at Lawrence Berkeley National Laboratory have reported an advance in understanding the biological chemistry of radioactive metals, opening up new avenues of research into strategies for remedial action in the event of possible human exposure to nuclear contaminants. Research led by ...


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New laser-patterning technique turns metals into supermaterials

Hierarchical nano- and microstructures transform sheets of platinum, titanium and brass into light absorbing, water repelling, self-cleaning superstars


By zapping ordinary metals with femtosecond laser pulses researchers from the University of Rochester in New York have created extraordinary new surfaces that efficiently absorb light, repel water and clean themselves. The multifunctional materials could find use in durable, low maintenance solar ...


New insight into thermoelectric materials may boost green technologies


Thermoelectric materials can turn a temperature difference into an electric voltage. Among their uses in a variety of specialized applications: generating power on space probes and cooling seats in fancy cars. University of Miami (UM) physicist Joshua Cohn and his collaborators report new ...


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Halving hydrogen

First view of nature-inspired catalyst after ripping hydrogen apart provides insights for better, cheaper fuel cells


Like a hungry diner ripping open a dinner roll, a fuel cell catalyst that converts hydrogen into electricity must tear open a hydrogen molecule. Now researchers have captured a view of such a catalyst holding onto the two halves of its hydrogen feast. The view confirms previous hypotheses and ...


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New, lower cost method to create more usable fuels


As the United States continues to lead the world in the production of natural gas, scientists from the Florida campus of The Scripps Research Institute (TSRI) have devised a new and more efficient method with the potential to convert the major components found in natural gas into useable fuels ...


Squeezing light into metals


Using an inexpensive inkjet printer, University of Utah electrical engineers produced microscopic structures that use light in metals to carry information. This new technique, which controls electrical conductivity within such microstructures, could be used to rapidly fabricate superfast ...


Magnetism and an electric field


There is a big effort in industry to produce electrical devices with more and faster memory and logic. Magnetic memory elements, such as in a hard drive, and in the future in what is called MRAM (magnetic random access memory), use electrical currents to encode information. However, the heat ...


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Peekaboo... I see through!

MIT team develops a new, inexpensive transparent projection screen


Picture the Louvre pyramid: the iconic glass pyramid that serves as main entrance and skylight to the landmark museum. The pyramid is illuminated at night, creating a magical ambience. Imagine strolling next to it while a video about the museum is projected on the glass in front of you, adding ...


Acid mine drainage reduces radioactivity in fracking waste

2 wrongs could make a right in mining wastewater


Much of the naturally occurring radioactivity in fracking wastewater might be removed by blending it with another wastewater from acid mine drainage, according to a Duke University-led study. "Fracking wastewater and acid mine drainage each pose well-documented environmental and public health ...


Supercomputers join search for 'cheapium'


In the search for cheaper materials that mimic their purer, more expensive counterparts, researchers are abandoning hunches and intuition for theoretical models and pure computing power. In a new study, researchers from Duke University’s Pratt School of Engineering used computational methods to ...


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