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Really early computational devices The earliest computational devices were actually memory aids in the form of wet clay tablets or even pebbles organize...

Ray Tomlinson sends a message The brain behind using name@host for email use. Ray Tomlinson. Credit: Flickr. Nearly 50 years ago – sometime during the northern summer or autumn of 1971 – Ray Tomlinson sent the first network email. He didn’t invent electronic messaging, but he’s the person who came up with the name@host convention now used by billions of people every day: it was his idea to use the asperand, the @ symbol, as a separator. Tomlinson was a computer scientist working for Bolt, Beranek and Newman (BBN), a company based in Cambridge, Massachusetts, which started out speciali...