How Alan Turing invented the computer, helped win World War II and left us with one of the greatest puzzles of our time: are humans simply computers or are we more than that? Many scientists think we have a tenuous hold on the title, “most intelligent being on the planet”. They think it’s just a matter of time before computers become smarter than us, and then what? This book charts a journey through the science of information, from the origins of language and logic, to the frontiers of modern physics. From Lewis Carroll’s logic puzzles, through Alan Turing