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Gideon Sundback patented the hookless fastener with interlocking teeth in 1917, and the word zipper was not coined until 1923, when B.F. Goodrich used it as the name of a ...

On 20 March 1917 Gideon Sundback was granted US patent 1,219,881 for his separable fastener, the second version of his hookless fastener, which he called “Hookless Number 2”, according to the ...
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Scott Fahlman proposed :-) as a joke marker on a Carnegie Mellon bulletin board on 19 September 1982, and his post was lost for years until Jeff Baird pulled it off an October ...

At 11:44 on 19 September 1982, Scott Fahlman posted a message on the Carnegie Mellon computer science general bulletin board, known as the bboard, proposing :-) as a marker for jokes. The post is ...
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David Bradley wrote Ctrl+Alt+Del into the 1981 IBM PC as a soft reboot for developers, and at the machine's twentieth anniversary in 2001 he said of Bill Gates, "I may have ...

IBM engineer David Bradley wrote the Ctrl+Alt+Del key combination into the original IBM PC in 1981 so the machine could be restarted without being switched off. He meant it for programmers and people ...