If you"ve ever wondered how the high-tech gadgets we encounter as we go about our daily lives work, from the computers on our desks, the CD players in our homes (and the remote controls we operate them with), the Automatic Teller Machines at the bank, to the machines that sort billions of pieces of mail everyday, this is the book that has the answers. Compiled from the Circuits section of the New York Times, a guide to the inner workings of computers, the Internet, and many modern electronic devices found in homes, businesses, transportation systems, and medicine. Clear, concise essays and well over one hundred full-color illustrations explain the mysteries of eighty devices that have shaped our lives.