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Russia Says It's Assembled a Lithography Machine, Will Make 350nm Chips Soon
(www.extremetech.com)
This is a most excellent place for technology news and articles.
Not literally a tamagachi, but if you want to go down the super niche rabbit hole that'll include interfacing a TV and keyboard to a 6502 processor, there's a guy named Ben Eater who does a great job covering that stuff. eater.net or search his name on YouTube.