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Technology@lemmy.mlEnglish · 3 个月前

The Chinese County Producing Half the World's Eyeglass Lenses Now Uses Lithography Machines

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The Chinese County Producing Half the World's Eyeglass Lenses Now Uses Lithography Machines

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Technology@lemmy.mlEnglish · 3 个月前

Danyang county, making 50% of global eyeglass lenses, introduces semiconductor lithography to produce nano-structured lenses as thin as 2mm even for 1500-degree prescriptions.

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2 个月前
Thanks for further clarifying you don’t understand what socialism actually is.

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