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Silicon manufacturing is one of my obsessive interests. For anyone else interested in learning more, I’ve learned a lot from the Asianometry YouTube channels.
Insane engineering. The diameter of a silicon atom is about 0.2nm for context.
While it is magic, and great engineering, it is also ‘just’ marketing, as in, actual physical features are not 1.6nm but more around 20nm, see for example https://en.wikipedia.org/wiki/2_nm_process
Interesting read!
Perhaps photonic processors will be the next big thing. But that’s still well in the future.