Obsidian blade vs steel blade under an electron microscope. The obsidian blade is sharper : r/woahdude
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Stone Age Technology Still Makes the Best Blades – Awesci – Science Everyday
Experiments on Knife Sharpening John D. Verhoeven Emeritus Professor Department of Materials Science and Engineering Iowa State
Explorations in ancient Maya blood-letting: Experimentation and microscopic use-wear analysis of obsidian blades - ScienceDirect
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تويتر \\ Legends Of Surgery على تويتر: "@4_0Vicryl I remember reading about that! I found this impressive electron microscopy image: https://t.co/O0CmuVkght"
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Saw this on facebook. Is there any truth to this? : r/knives
We teamed up with @NFTI to make the worlds sharpest obsidian knife that beats a scalpel. We used our 60,000 PSI waterjet to make a very thin blade. We just d...
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Experiments on Knife Sharpening John D. Verhoeven Emeritus Professor Department of Materials Science and Engineering Iowa State
STEEL SCALPEL OBSIDIAN SCALPEL ES 5,000x Magnilication To demonstrate the sharpness of stone tools, Archaeologist Dr. Adrien Hannus elected to have major surgery done with obsidian blades rather than surgical steel scalpels.
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How obsidian Stone Age knives still cut it in surgery | CNN
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Experiments on Knife Sharpening John D. Verhoeven Emeritus Professor Department of Materials Science and Engineering Iowa State
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Explorations in ancient Maya blood-letting: Experimentation and microscopic use-wear analysis of obsidian blades - ScienceDirect
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Ancient blood found on knives - Deseret News
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Coating Cutting Blades with Thin-Film Metallic Glass to Enhance Sharpness | Scientific Reports
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