50 Things That Made the Modern Economy

Interface Message Processor

<p>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.</p>

<p>Tim Harford tells the fascinating stories of inventions, ideas and innovations which have helped create the economic world.</p>

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