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Samsung delivers 600-mile solid-state EV battery as it teases 9-minute charging and 20-year lifespan tech
(www.notebookcheck.net)
This is a most excellent place for technology news and articles.
"Rust Belt" isn't literal, it refers to an area of the US where industrial manufacturing declined significant in the second half of the 20th century. It's called that in part at least because its previous moniker was "Steel Belt".