Most Commercially Available Graphene is Actually Pencil Lead

https://www.extremetech.com/wp-content/uploads/2017/02/graphene-hexagons-768x424.jpg 768w, https://www.extremetech.com/wp-content/uploads/2017/02/graphene-hexagons-640x353.jpg 640w, https://www.extremetech.com/wp-content/uploads/2017/02/graphene-hexagons-106x59.jpg 106w, https://www.extremetech.com/wp-content/uploads/2017/02/graphene-hexagons-672x371.jpg 672w, https://www.extremetech.com/wp-content/uploads/2017/02/graphene-hexagons.jpg 1000w" sizes="(max-width: 300px) 100vw, 300px" /> We now know why graphene research may have had so many problems over the last few years — most of the graphene you can buy isn’t graphene at all. The post