We Need to Talk About KelvinLook around you. The reflection of your face in a window tells you that the universe is orchestrated by chance. The iron in a spot of blood on your finger tells you that somewhere out in space there is a furnace at a temperature of 4. 5 billion degrees. Your TV tells you that the universe had a beginning. In fact, your very existence tells you that this may not be the only universe but merely one among an infinity of others, stacked like the pages of