Every now and then, a simple yet radical idea shakes the very foundations of knowledge. The startling discovery that the world was not flat challenged and ultimately changed the way people perceived themselves and their relationships with the world. For most humans of the 15th century, the notion of Earth as a ball of rock was nonsense. The whole of Western natural philosophy is undergoing a sea change again, forced upon us by the experimental findings of quantum theory. At the same time, these findings have increased our doubt and uncertainty about traditional physical explanations of the uni.;Contents; Introduction; muddy universe 1; In the Beginning There Was ... What? 2; The Sound of a Falling Tree 3; Lights and Action! 4; Where Is the Universe? 5; Bubbles in Time 6; When Tomorrow Comes before Yesterday 7; The Most Amazing Experiment 8; Goldilocks's Universe 9; No Time to Lose 10; Space Out 11; The Man Behind the Curtain 12; Windmills of the Mind 13; A Fall in Paradise 14; Building Blocks of Creation 15; What Is this Place? Religion, Science, and Biocentrism Look at Reality 16; Sci-Fi Gets Real 17; Mystery of Consciousness 18; Death and Eternity 19.