Do scalpels hurt?
Scalpels can cause a variety of local and systemic reactions, including pain, swelling, redness, and fever. In some cases, scalpels can even lead to permanent injuries. Is Obsidian sharper than diamond? Obsidian is not as sharp as diamond. obsidian has a Mohs hardness of 6.7, while diamond has a Mohs hardness of 8. How many ... Read more...