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Interface Message Processor

Arpanet was a computer network developed in the 1960s that paved the way for today's internet. At its heart was the Interface Message Processor: a massive, heavily armoured box containing the technology that made it possible. Tim Harford takes a look inside.

Available now

10 minutes

Last on

Mon 30 Sep 2019 03:50GMT

Image credit

Leonard Kleinrock poses with the original Interface Message Processor (Credit: Jay L Clendenin/Los Angeles Times via Getty Images)


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