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That's awesome! I've been told, though haven't verified it personally, that an obsidian blade can be made with an edge as fine as a single molecule. I don't know if that's completely true, but I...

Years ago, before I ever got into str8 razor shaving, I decided to see if I could sharpen my pocket knife (Kershaw 1550, with the 1095 carbon steel blade) to the point you could shave with it; I...