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Revisiting the fortunes of past column subjects.
Nanotech startups are the latest technology gold rush. One company is making a killing selling pans to the prospectors.
Meet a creator of high-tech, electrically active fabrics who shows plenty of scrap.
Before she set about inventing better biochips, an artist and mother of five reinvented herself.
A U.K. Internet startup is monetizing the economic influence of kids.
Can a thermodynamic engineer convince people to drink purified sewage?