What you’re looking at above is the computer that sent the very first email via ARPANET, 40-years ago on October 29, 1969. Simply put, “the message was sent from the UCLA SDS Sigma 7 Host computer to the SRI SDS 940 Host computer.” Click here for first picture in gallery.

Like most systems of the era, the latter machine had a tiny core memory allowing between 16 and 64 kilowords.

[via Dailymail]

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