In 1962, IBM built a secret NSA computer that ran jobs up to 200 times faster than any other machine; 14 years later a worn-out part ended its run because its maker was no longer in business

The year 1962 marked the inception of a clandestine project by IBM for the NSA, giving rise to the secret computer named Harvest. For fourteen years, this remarkable machine tackled critical cryptographic computations during the tense Cold War era, boasting speeds that eclipsed its peers by a factor of 200.
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