Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

How sharp is obsidian?


Well-crafted obsidian blades, like any glass knife, can have a cutting edge many times sharper than high-quality steel surgical scalpels: the cutting edge of the blade is only about 3 nanometers thick. ... Obsidian scalpels may currently be purchased for surgical use on research animals.

{{ relativeTimeResolver(1594678080368) }}

LIVE
Points points 85
Rating

Similar Questions
Sign in to view all similar questions
Science 2 Answers
Science 1 Answer

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE