Philosopher David Chalmers, author of the book “Reality+: Virtual Worlds and the Problems of Philosophy” and co-director of the N.Y.U. Center for Mind, Brain, and Consciousness, speaks with us about his predictions of where A.I. is heading; why he doesn’t rule out a “Google level” of consciousness; and how, rather than a single version of utopia, multiple utopias could reveal themselves through a “dynamic process of search.”Episode sponsored by Grand Seiko.