http://www.cbsnews.com/stories/2006/09/06/eveningnews/main1977730.shtmlI think he uses a combination of things including the VOICe - Seeing with sound.
Jacob Kruger Blind Biker Skype: BlindZA ---------- To send a message to the list, send any message to blindza@xxxxxxxxxxxxx ---------- To unsubscribe from this list, send a message to blindza-request@xxxxxxxxxxxxx with 'unsubscribe' in the subject line --- The 'homepage' for this list is at http://www.blindza.co.za