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ZnO Nano-Yuccas
A scanning electron microscopy image of zinc oxide nanorod clusters on a silver surface. ZnO nanostructured materials show promising applications in chemical sensors, photocatalysis, and nanoscale optoelectronic devices. Image Source: Sandia National Laboratories FYI- This photo is part of the: Nanotechnology Takes Off - KQED QUEST Flickr Set.