We invented stainless steel in the early 19th century...
...right?
Wrong!
In Persia, somebody managed to make it in the 11th century.
Because people in the past were so much smarter and more knowledgable than we think.
We invented stainless steel in the early 19th century...
...right?
Wrong!
In Persia, somebody managed to make it in the 11th century.
Because people in the past were so much smarter and more knowledgable than we think.
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