The Theory of Computation explores the fundamental capabilities and limits of computing processes. It encompasses models such as finite automata, push-down machines and Turing machines, which ...

Isaac Asimov excelled at predicting the future. In one of his early science fiction stories, he introduced pocket calculators decades before you could buy them at Radio Shack. In a later book, he ...

The Big Bang explains a great deal, but some of its deepest questions remain unanswered. Future discoveries could change far more of the story than many people realize.