science fiction

How To Tell If You're In A Dream

How do we know we’re in the “real reality” and not in a dreamlike state, in someone else’s dream, in Tommy Westphall’s snow globe, in The Matrix, a brain in a vat, in Plato’s Cave, on The Truman Show or creations in The Sims 12? As Nolan demonstrates in Inception, we can’t. Last month, director Errol Morris wrote a New York Times series on ‘The Anosognosic’s Dilemma.’ It’s about Rumsfeld’s “unknown unknowns.” We simply don’t know when we don’t know the limits of our own knowledge, either individually or collectively.

How To Tell If You're In A Dream