An electromechanical marvel called the Bombe decrypted thousands of WWII messages.

Alan Turing was one of the most influential British figures of the 20th century. In 1936, Turing invented the computer as part of his attempt to solve a fiendish puzzle known as the ...

Computability theory establishes which problems can in principle be solved by mechanical procedures, formalised by the Turing machine model and its equivalents. It draws a firm boundary between ...

And then came Turing’s work on finite-state automata. I n 1936, Turing published a paper in the Proceedings of the London Mathematical Society which proposed a theoretical “machine” (mathematical ...

Robert Harris's novel about wartime codebreaking has become a handsome, if simplistic, film ...