BUSINESSWEEK ONLINE : NOVEMBER 27, 2000 ISSUE
SCIENCE & TECHNOLOGY

Photo courtesy laboratory for molecular robotics/university of southern california Atomic Skyscrapers
Researchers can use exotic tools such as atomic-force microscopes to nudge individual atoms into place. Until recently the atoms were just rolled across a surface. Now scientists at the University of Southern California are building upward, erecting structures that look like tall ant hills--two, three, and four molecules high.



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