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A Swell New Approach to Polymer Shapes (1 of 2)

Caption: A halftone printing method is used to program the growth of a flat sheet into a sphere through a pattern based on the Peirce quincuncial map projection (shown in the background). This image relates to a paper that appeared in the March 9, 2012, issue of Science, published by AAAS. The paper, by J. Kim at the University of Massachusetts in Amherst, Mass., and colleagues was titled, "Designing Responsive Buckled Surfaces by Halftone Gel Lithography."

Credit: Gel images: J. Kim, J.A. Hanna, M. Byun, C.D. Santangelo, R.C. Heyward; Background Map: NOAA's Office of Coast Survey Historical Map & Chart Collection, http://historicalcharts.noaa.gov

Usage Restrictions: Please cite the owner of the image when publishing. This image may be freely used by reporters as part of news coverage, with proper attribution. Non-reporters must contact Science for permission.