Storing data in individual molecules: Molecular memory near room temperature

Moore's law—the well-known doubling of computer chips' computational power every 18 months or so—has been paced by a similarly steady increase in the storage capacity of disk drives. In 1980, a hard drive could store about a half-megabyte of data in a square inch of disk space; now, manufacturers are closing in on a million megabytes of data per square inch.

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