I remember when there was a big push to make ball point pen tips, and how a but ... | Hacker News

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		SpicyUme 88 days ago \| parent \| context \| favorite \| on: America is getting an AI gold rush instead of a fa... I remember when there was a big push to make ball point pen tips, and how a but less than 10 years later they succeeded in making them domestically.

EliRivers 88 days ago [–]

Rings a bell. Sounds simple, but being able to reliably make huge numbers of tiny little metal spheres with tiny tiny tolerance is a serious feat; being able to do that brings knowledge and experience that unlocks an entire level of the tech tree.

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