Researchers 3D print self-propelling graphene oxide soft robots
https://3dprintingindustry.com/news/researchers-3d-print-self-propelling-graphene-oxide-soft-robots-204416/
Researchers 3D print self-propelling graphene oxide soft robots
https://3dprintingindustry.com/news/researchers-3d-print-self-propelling-graphene-oxide-soft-robots-204416/
Think micro / nano scale.