From 2-D to 3-D

3-D imaging of molecules has always required multiple viewpoint to determine the proper 3-D structure, says the Physics arXiv blog's KFC. In 2009, however, Jianwei Miao and his colleagues at the University of California, Los Angeles, developed a technique called ankylography that could produce a 3-D structure from a single image. "Their thinking was that it ought to be possible to capture the complete 3-D structure from the diffraction pattern incident on a sphere. Instead of taking many images, an iterative algorithm could then distil the 3-D structure," KFC says.

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