Researchers at Carnegie Mellon University have unveiled an innovative technology called Power-Over-Skin, enabling electrical currents to traverse human skin to power devices like blood sugar monitors and smartglasses. This breakthrough aims to eliminate the need for batteries in wearables, although the research is still in its early stages. The technology has been successfully demonstrated with low-power electronics, including LED earrings. CMU researcher Andy Kong likened this method to radio transmission, using body tissue as a medium for energy transfer.