In 1999 researchers led by Dr. Yang Dan, an assistant professor of neurobiology at the University of California, Berkeley, anesthetized a cat with sodium pentothal, chemically paralyzed it with Norcuron, and secured it tightly in a surgical frame. They then glued metal posts to the whites of its eyes, and forced it to look a screen that showed scene after scene of swaying trees and turtleneck-wearing men.

This was not a form of Clockword-Orange-style aversion therapy for cats. Instead, it was a remarkable attempt to tap into another creature's brain and see directly through its eyes. The researchers had inserted fiber electrodes into the vision-processing center of the cat's brain. The electrodes measured the electrical activity of the brain cells and transmitted this information to a nearby computer which decoded the information and transformed it into a visual image. As the cat watched the images of the trees and the turtleneck-wearing guy, the same images emerged (slightly blurrier) on the computer screen across the room.

The commercial potential of the technology is mind-boggling. Forget helmet-cam at the superbowl; get ready for eye-cam. Or how about this — never carry a camera again. Take pictures by blinking your eyes. It would work great unless you had a few too many drinks on vacation.

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