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Nature's blade cuts deeper than steel 🔪 Obsidian forms edges just three nanometers thick—500 times sharper than surgical steel and precise enough that some surgeons choose volcanic glass over metal scalpels. This naturally occurring material proves that sometimes the most advanced cutting technology isn't manufactured in labs but forged by Earth's molten core millions of years ago. #Obsidian #VolcanicGlass #SurgicalPrecision #NaturalMaterials #MedicalInnovation #SharpestBlade #GeologyFacts #Sci
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Nature's blade cuts deeper than steel 🔪 Obsidian forms edges just t…
1.9K views7 months ago
FacebookEyebiokin Kenny Peter
Did you know that obsidian, volcanic glass, is one of the sharpest materials on Earth? For millennia, this natural wonder has been more than just a pretty, glassy rock. ⛏️ From the Stone Age, obsidian was prized for its ability to create incredibly sharp tools. Neolithic peoples relied on obsidian for everything from hunting to harvesting due to its superior edge. ➡️ Fast forward to today, and obsidian's sharpness is revolutionizing surgery! Obsidian scalpels are used in delicate procedures, cre
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