Open Questions: Bionics

BCI-info: A "portal for brain-computer interfaces". It describes itself like so: "BCI-info is an open international platform for Brain-Computer Interface research intended to provide information for scientists, patients, students, the media, and people from the general public interested in BCI technology." Site features include general information, research information, and news about BCI.
Center for Neural Interfaces: Research group working on multichannel interfaces to the nervous system.
Intraocular Retinal Prosthesis Group: Research group at Johns Hopkins University.
The Retinal Implant Project: Research project at MIT.
Group of BioMedical Physics and Ophthalmic Technologies: Research group at Stanford University that is developing a retinal prosthesis.
The Southampton Brain-Computer Interface Research Programme: Research group at Southampton University (UK). The site includes information on publications, research themes, and external links.

Bionics: Article from Wikipedia.
In the 70s he was a TV fantasy. Now the bionic man is real - and he even plays sax: April 2006 article from The Guardian.
The Coming Merging of Mind and Machine: September 1999 article from a special issue of Scientific American by Ray Kurzweil. A summary presentation of the author's somewhat futuristic vision of the future evolution of machine intelligence.

Controlling Robots with the Mind
Miguel A. L. Nicolelis; John K. Chapin
Scientific American, October 2002,
Artificial Sight
Gregory Cerio
Discover, August 2001, pp. 50-55: The technology of cochlear implants had made it possible for victims of some kinds of deafness to "hear" to a limited extent. So it seems natural to investigate whether a similar approach can provide at least a limited sort of vision for blind people.
Mind Over Muscles
Victor D. Chase
Technology Review, March/April 2000, pp. 38-45: The combination of two bionic technologies is showing results in restoring some function to victims of paralysis. The technologies are functional electrical stimulation, which allow electrical signals to control muscles, and brain-computer interfacing, which interprets a patient's intentions from EEG monitoring of brain waves.