The Neurochemical Signaling of the World

When you watch a beautiful screen saver on your computer screen, that's just built out of zeros and ones and transistors. And it's somehow the same thing that's happening with your experience of the world. These are encoded in trillions of signals zipping around in the blackness. Imagine that you traveled over to an island of people who were all born blind. So they all read by Braille. They feel tiny patterns of inputs on their fingertips.