Time dominates experience. We live by watch and calendar. We eagerly trade megahertz for gigahertz. We spend billions of dollars to conceal time's bodily influences. We uproariously celebrate particular moments in time even as we quietly despair of its passage. But what is time? Brian Greene, author of The Elegant Universe, has written an op-ed for the New Years Day edition of the New York Times. The Time We Thought We Knew | 
