"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"
Shining Light On Molecular Communication: Designing a Light-based Communication System with a Biomolecular Receiver - University of Wisconsin-Madison 2020
A New Frontier for Wireless Networks: Intra-body Communication and Sensing | Seminar WIoT Institute - Anna Vizziello, from the University of Pavia, discusses the technologies driving innovation in body area networks to face the specific challenges
Design of Intra-body Nano-communication Network for Future Nano-medicine 2018 - Intra-body communication is a method that utilizes the human body as a broadcast biological medium for electromagnetic signals to inter-connect wireless body sensors.
The AI powered Metaverse using holographic type communication, not only in Health Care but for education & tourism too. Seems Ian F Akyildiz wants to lock everyone up in a virtual/Metaverse game. AI for good or a panopticon digital prison?!