Liquidmetal Technologies Inc (LQMT)

[panzer2]

Try this on for sizing re: graphene toxicity.

http://cleantechnica.com/2013/07/15/graphene-may-be-more-toxic-than-previously-thought-research-finds-graphene-can-enter-human-cells-and-disrupt-cellular-function/

Studies over the last 5 years have PROVEN toxicity is very high and can be ingested in particulate forms as aerosol (breathing) and contact as well as solution.