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

Miscellaneous

What's the sharpest knife in the world?

1
ANSWER

Obsidian knife blades: overkill for slicing your sandwich. The thinnest blades are three nanometres wide at the edge – 10 times sharper than a razor blade. These are made by flaking a long, thin sliver from a core of obsidian (volcanic glass).

{{ relativeTimeResolver(1642967644339) }}
LIVE
points 35
Rating
Similar questions
Miscellaneous • 0
Miscellaneous • 1
ANSWER
Miscellaneous • 1
ANSWER
Miscellaneous • 1
ANSWER
Browse more questions.
Miscellaneous • 1
ANSWER
Miscellaneous • 2
ANSWER
Miscellaneous • 1
ANSWER
Miscellaneous • 1
ANSWER
Miscellaneous • 1
ANSWER
Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE
Miscellaneous • 1
ANSWER
Miscellaneous • 1
ANSWER
Miscellaneous • 1
ANSWER
Miscellaneous • 1
ANSWER
Miscellaneous • 2
ANSWER
Miscellaneous • 1
ANSWER
Browse more questions.
Miscellaneous • 3
ANSWER
Miscellaneous • 2
ANSWER
Miscellaneous • 2
ANSWER
Miscellaneous • 1
ANSWER
Miscellaneous • 0
Miscellaneous • 1
ANSWER
Miscellaneous • 1
ANSWER
Miscellaneous • 1
ANSWER
Miscellaneous • 1
ANSWER
Miscellaneous • 1
ANSWER

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE

Blog Help centre Conditions of use Privacy Notice

© 2010 - 2022, Amazon.com, inc. or its affiliates. All Rights Reserved.