The True Hackers

A quote of the day for me comes from a digest of the Gemini project software history (

“I’m beginning to learn things about the Gemini memory I wish I had known in the 1960s. For example, after many divide instructions were executed in a row (I don’t know how many), the memory cores heated up and you would get the wrong answer in the accumulator. This problem was controlled by inserting a no-op instruction between the divides, thus keeping the cores cool enough to always give the right answer. Wow!”

Wow! indeed..!


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