What is an obsidian knife?
You can check the answer of the people under the question at Quora “obsidan knife“
About Valentina
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What is an obsidian knife?
You can check the answer of the people under the question at Quora “obsidan knife“
About Valentina
Obsidian is a volcanic rock. Well-crafted obsidian blades can have a cutting edge many times sharper than high-quality steel surgical scalpels, the cutting edge of the blade being only about 3 nanometers thick. That’s theoretically sharp enough to cut molecules.
Even the sharpest metal knife has a jagged, irregular blade when viewed under a strong enough microscope; when examined even under an electron microscope an obsidian blade is still smooth and even.
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