Getting Molecules To Do The Work surveys half a dozen nanotechnology projects involving self-assembly that are bringing an "era of nano-manufacturing". Although many obstacles remain, the survey concludes optimistically:

Still, "the field is moving very fast," says NYU's Seeman. Only a year ago, he says, he showed his students a top-10 list of major challenges nanotechnology faced. Today, three are already resolved. At this pace, he adds, self-assembly and molecular manufacturing will come into commercial use sooner rather than later.