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A sheet of "programmable matter" works like automatically-folding origami.
Starting out as a flat sheet, it can fold up into different shapes - shown here, a boat and a plane.
Link to publication: http://www.pnas.org/content/107/28/12441.full
The Harvard Microrobotics Lab is part of the School of Engineering and Applied Sciences (SEAS, seas.harvard.edu) at Harvard University and the Wyss Institute for Biologically Inspired Engineering (wyss.harvard.edu).