World’s sharpest obsidian knife
9:01
World’s sharpest obsidian knife
7 months ago
MSNWaterjet Channel
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
1:02
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
1.9K views7 months ago
FacebookEyebiokin Kenny Peter
Keen Obsidian Edged Blade
Keen Obsidian Edged Blade
Jul 25, 2022
wowhead.com
For centuries, civilizations have treasured obsidian. From ancient arrowheads to cutting-edge surgical blades (sharper than steel!), this volcanic glass has a surprisingly rich history and surprising uses. Plus, some pieces glimmer with hidden colors! #Obsidian #VolcanicGlass #Archaeology #SharpBlades #Mineralogy | Mineral Gemstones
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For centuries, civilizations have treasured obsidian. From ancient arrowheads to cutting-edge surgical blades (sharper than steel!), this volcanic glass has a surprisingly rich history and surprising uses. Plus, some pieces glimmer with hidden colors! #Obsidian #VolcanicGlass #Archaeology #SharpBlades #Mineralogy | Mineral Gemstones
11.2K views4 months ago
FacebookMineral Gemstones
The obsidian blade is knapped now the tricky part, deciding what to use for the handle and sheath | Will Lord Prehistoric Survival
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The obsidian blade is knapped now the tricky part, deciding what to use for the handle and sheath | Will Lord Prehistoric Survival
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