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  • Last visit: October 4th, 2009
  • Member since: October 4th, 2009
  • Questions asked: 0
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  • 1 month ago

    What's the deal with Obsidian Scalpels?

    Obsidian has been used in cardiac surgery, as well-crafted obsidian blades have a cutting edge many times sharper than high-quality steel surgical scalpels, with the edge of the blade being only about 3 nanometres wide. Even the sharpest metal knife has a jagged, irregular blade when viewed under a strong enough microscope. When examined under an electron microscope an obsidian blade is still smooth and even.
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