66 years ago today, on the 9th September, 1947, operators of the Mark II Aiken Relay Computer being tested at Harvard University, found something curious trapped between points at Relay #70, Panel F.

A note made at the time explains, this was the “first actual case of bug being found”. History records that the legendary Grace Hopper was the person who located the moth, and in so doing, helped popularise the idea of “debugging computers”.

 

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