@curiosparklab: This Rock Is Sharper Than a Surgeon’s Scalpel 🔪🌋 Obsidian the volcanic glass sharper than steel. When lava cools too fast to form crystals, it creates this natural blade with molecular-level edges. So sharp, even surgeons have tested it for cleaner cuts than metal scalpels. Simple, beautiful, and dangerously precise nature’s ultimate cutting edge. Thanks to the creators for the videos that are referenced in this content. Source : @lavabladez / TT @minwin3d / TT @novembersouth / TT @meltandpour / TT @ryanthedigger / TT @vetventures2.0 / TT Copyright Disclaimer: Under Section 107 of the Copyright Act 1976, allowance is made for “fair use” for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is permitted by copyright statutes that might otherwise be infringing, and non-profit, educational, or personal use helps tip the balance in favor of fair use. The content in this video is provided solely for educational and informational purposes and may contain copyrighted material, the use of which has not always been specifically authorized by the copyright owner, but we believe this constitutes a “fair use” of such material as provided under Section 107 of the U.S. Copyright Law.

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Sunday 09 November 2025 05:27:26 GMT