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Huawei's New Mystery 7nm Chip from Chinese Fab Defies US Sanctions
(www.tomshardware.com)
This is a most excellent place for technology news and articles.
I am not sure if American legislators realize that all these trade restrictions are only accelerating Chinese domestic chip development. The restrictions have the same effect as import tariffs, which is exactly what a government would do if it wants to protect and/or develop its own fledgling industry.
They were going to figure it out eventually anyway. It buys some time I guess. I don't know what for, though.