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June 21st, 2006

Making factories and computers with DNA

As if the blueprint for life wasn't busy enough, nanotech researchers are putting DNA to work in tiny mechanical devices and as templates for electronic circuits. Recent DNA constructions include microscopic patterns, tiny gears and a molecular assembly line. Although still mostly at the demonstration level, DNA nanotech is a rapidly growing field.

The first person to see DNA's potential beyond biology was Naiman Seeman, a chemist at New York University. More than twenty years ago, he began imagining how the genetic information in DNA might be engineered to perform useful tasks.


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