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Re:Smashing idea: how East Germany invented 'unbreakable' dr... by seszett on Wednesday August 07, 2024 @05:26PM (#41185742)
> self-evidently abrasive, which stands to reason when you look at the scratch marks in glass that has been through too many cycles.

Marks on glass are not due to abrasion, they appear because glass is slightly soluble in alkaline water, which is the case in dishwashers. Porcelain and stainless steel do not get scratched by dishwashers for example.

Re:Smashing idea: how East Germany invented 'unbreakable' dr... by scott_w on Thursday August 08, 2024 @01:55AM (#41188520)
Thanks for the explanation! I guess this means there’s no way to make even “unbreakable” glasses to not mark?