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

Science

What's the hardest material in the universe?

1 Answer

Graphene is the hardest known material, but there could be harder materials in the universe that we don't know about

{{ relativeTimeResolver(1652894415643) }}

LIVE
Points points 55
Rating

Similar Questions
Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE