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There is now a CONTENT FREEZE for Mercury while we switch to a new platform. It began on Friday, March 10 at 6pm and will end on Wednesday, March 15 at noon. No new content can be created during this time, but all material in the system as of the beginning of the freeze will be migrated to the new platform, including users and groups. Functionally the new site is identical to the old one. webteam@gatech.edu
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Researchers have developed a technique for producing platinum hollow nanocages with ultra-thin walls that could dramatically reduce the amount of the costly metal needed to provide catalytic activity in such applications as fuel cells. The image shows models of the (left) cubic and (octahedral) nanocages, whose surfaces are covered by atoms in square and hexagonal arrays, respectively. The yellow spheres correspond to platinum atoms while the green spheres indicate a small fraction of palladium atoms remaining in the lattice of platinum atoms. (Credit: Xia Laboratory)
