“Our goal was to find out whether we could program DNA to assemble into shapes that exhibit custom curvature or twist, with features just a few nanometers wide,” says biophysicist Hendrik Dietz, a professor at the Technische Universitaet Muenchen. Dietz’s collaborators in these experiments were Professor William Shih and Dr. Shawn Douglas of Harvard University. “It worked,” he says, “and we can now build a diversity of three-dimensional nanoscale machine parts, such as round gears or curved tubes or capsules. Assembling those parts into bigger, more complex and functional devices should be possible.”
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