"visible light communication (VLC) LED-based lamp to send a message to the human brain using the eye retina as a relay node. In fact, the eye and the brain can be seen as a natural VLC receiver"
Designing Nanostructures at the Interface between Biomedical and Physical Systems: Conference Focus Group Summaries (2005) | The National Academies Press
Graphene Oxide | How Does Graphene Oxide React Phone Calls? "The Smartphone As We Know It Today Will Not Be the Most Common Interface. Many of These Things Will Be Built Directly Into Our Bodies." - Pekka Lundmark