A team of nanoscientists has created the densest data storage device yet built. Using individual atoms per bit, information is stored at 500 terabits per square inch, dense enough to fit the entire Library of Congress on a cube smaller than a dust mite.

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A team of nanoscientists has created the densest data storage device yet built. Using individual atoms per bit, information is stored at 500 terabits per square inch, dense enough to fit the entire Library of Congress on a cube smaller than a dust mite.