Well this is just plain cool. BrainPort is a device first introduced in 2006 that would allow users to regain some vision by means of a camera and electrical impulses sent to the tongue. But now, this gadget might actually be available commercially.
The BrainPort works by decoding signals that are sent from a camera that's mounted on your head and transforming them into electrical impulses that hit your tongue gently. These impulses are then experienced as spatial awareness and even an ability to read text.
The device is currently awaiting FDA approval, but if all goes well, the BrainPort should be available early next year. However, pricing is expected to fall in the $10,000 range.