What are the 10 emerging technologies that will change the world? The young innovators named in this issue of TR are working on everything from brain-machine interfaces and data mining to robot design and natural language processing. In "Computing Goes Everywhere," Robert Buderi looks at how computing power of the future will be integrated even more closely into our lives. Also in this issue, a Q&A with IBM CEO Louis Gerstner, Jr., "Nanotech Goes to Work," and an exploration of handheld heaven.