How to Build Turing’s Universal Machine

Modern computers wouldn't exist without the pioneering theories posited by Alan Turing, however the famed computer scientist was never quite able to make a working model of his hypothetical device. Turing's Cathedral by George Dyson follows Hungarian mathematician John von Neumann's efforts to build a computer based on … » 3/15/12 11:00am 3/15/12 11:00am