Researchers create self-assembling nanodevices that move and change shape on demand

By emulating nature's design principles, researchers have created nanodevices made of DNA that self-assemble and can be programmed to move and change shape on demand. Double helices fold up into larger, rigid linear struts that connect by intervening single-stranded DNA. These single strands of DNA pull the struts up into a 3D form. The resulting nanodevices are light, flexible and strong "tensegrities," so-called because they balance tension and compression.

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