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July 11th, 2007

Big improvement for little pictures

Researchers who want to monitor changing nanoscale structures in real time often must do without depth information. But in the 6 July Physical Review Letters ("Imaging Surface Topography using Lloyd's Mirror in Photoemission Electron Microscopy"), physicists describe a new way to view three-dimensional structures in real time. Although they haven't yet published 3-D movies, they managed to reconstruct the heights of tiny droplets using still images from 2-D movies. The technique could give researchers a way to watch technological processes like semiconductor growth as they happen.


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