JC>   Knuth mentions the idea of a trinary machine in his
JC>   books, but implies that such a thing has never existed.
   Bubble memory is tri-state.
   That is why it was never implemented for mass storage.
   There was some difficulty in adapting it for binary.
   Or so I am told. :)
> ] Promoting cynicism for 100 years! ( More like 10, really )
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