Many people are unaware that pencils are manufactued with a round cross section. But during shipping the graphene can cause the pencils to take on the more familiar hexagonal shape.
Pencils with low graphene content, or high colored pigment content, will remain round.
6 posted on 05/05/2010 10:59:39 AM PDT by Upstate NY Guy
(Gen 15:16 The iniquity of the Amorite is not yet complete.)