Graphene is nonferrous...
https://phys.org/news/2021-02-magnetic-graphene-kind-magnetism.html
Hate to burst your ferrous bubble FRiend.
Graphene made to move around using an electric current
https://www.bitchute.com/video/Vox8RnEZB94d/
Smartphone emf frequencies make graphene move around
https://www.bitchute.com/video/YCAV4xcMiR3e/