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information storage

  • DNA

    If You Were a Secret Message, Where in the Human Genome Would You Hide?

    Ellie Arroway (Jodie Foster) uses the VLA (Very Large Array) to look for alien signals. But that’s not the only way. Warner Brothers When people think about SETI, the Search for Extraterrestrial Intelligence, they imagine messages sent via radio—Jodie Foster tuning antennas, hoping to pick up signals from the “billions and billions” of star systems […]

  • IBM RAMAC 305 hero

    The Brilliant “Baloney Slicer” That Started the Digital Age

    In the early 1950s, the U.S. Air Force Supply Depot in Ohio was looking for a faster way to store and fetch information from its sizable inventory. They had 50,000 items in their records and wanted instant access to each one of them. The dominant storage technologies of the time—punch cards, magnetic tape and magnetic […]