Computer displays that fit into contact lenses, machines that assemble themselves, tools that let a doctor see precisely which of your cells has cancer, and nanodevices that monitor your health and dispense medicines -- these are just some of the projects that Iranian-American scientist and researcher Babak Parviz of the University of Washington is pursuing. In an age of narrow specialization, a list of Parviz's accomplishments looks like that of several different scientists rather than just one. Parviz is a leader in such exotic topics as bionanotechnology, self-assembly, nanofabrication and microelectricalmechanical engineering.

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