This podcast episode explores the development and applications of brain-computer interfaces, brain-machine interfaces, neural prosthetics, and artificial vision. The episode discusses the concept, technologies involved, and the challenges in these areas. It highlights the potential for paralyzed patients to control devices using their thoughts, the different approaches to developing neural prosthetics, and the importance of touch and sensory feedback in brain-machine interfaces. The episode also mentions ongoing research and progress in developing non-invasive methods and prosthetic eyes for artificial vision.