Using hemp to make supercapcitors

Scientists have managed to take the inner bark from hemp plants, more of a waste product when hemp is used for clothing or building materials, and processed it into a material that is similar to graphene and can be made into a supercapacitor with similar performance – yet at a fraction of the cost.  Pretty cool application for an impressive plant.  Alta Supercaps is looking into small scale production.  Read more at the BBC.