Origami star (IMAGE)

Harvard John A. Paulson School of Engineering and Applied Sciences

Origami star

Caption

A keratin sheet folded into a complex origami star as its permanent shape. Once the memory was set, the researchers dunked the star in water, where it unfolded and became malleable. From there, they rolled the sheet into a tight tube. Once dry, the sheet was locked in as a fully stable and functional tube. To reverse the process, they put the tube back into water, where it unrolled and folded back into an origami star.

Credit

Luca Cera/Harvard SEAS

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