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Nano-Origami

March 5, 2009

Folding paper into shapes such as a crane or a butterfly is challenging enough for most people. Now imagine trying to fold something that’s about a hundred times thinner than a human hair and then putting it to use as an electronic device. In this video, flaps of a polymer sheet are folded into a corner of a cube. An external magnetic field interacts with a current flowing through wires embedded in the sheet, causing the sheets to fold up. credit: MIT



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