Thanks, Vox. That was very informative.
Here's one that ventures off into the obscure about obsidian razors: shaving with stone razors.
You can't get much sharper than a edge of one molecule's width. No grinding required.
Thanks, Vox. That was very informative.
Here's one that ventures off into the obscure about obsidian razors: shaving with stone razors.
You can't get much sharper than a edge of one molecule's width. No grinding required.
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