There is a certain kind of story about nature and our place in it that says all we experience, all we feel, is nothing but neural circuity. According to one thought experiment, if I were a smart enough doctor or computer scientist, I could put your brain in a vat, hook it up to a bunch of electrodes that enable some kind of simulation of the world, and you’d never know the difference. Fed the proper electrical stimulus, your brain would conjure up the exact same experiences as if you were... Read this story
