A DNA Walking Robot

Roland Piquepaille writes "Two chemists from New York University, William B. Sherman and Nadrian C. Seeman, have created a DNA nanowalker with two legs, each one being 10-nanometers long. This nanoscale bipedal robot moves from one pair of anchors — strands of DNA — to another one. This is a major breakthrough for nanoscale manufacturing. And New Scientist says this opens the way for future nanoscopic robots that will assemble other nanomachines or manipulate individual molecules. Obviously, this is still at the experimental stage. Even the researchers don't say when such nanowalkers will be able to do some real work. More details are available in this overview."

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