Scientists In China Have Developed The World's Lightest Material, Graphene Aerogel.

The material is called graphene aerogel, and it is so light that it can be balanced on the top of a flower.

The material is called graphene aerogel, and it is so light that it can be balanced on the top of a flower.

The material is called graphene aerogel, and it is so light that it can be balanced on the top of a flower.