Bombe machines were enormous electronic testing devices with 100 rotating drums, 12 miles of wire and 1 million soldered connections. Hoping for a “stop” that would reveal the setting of the Enigma ...

Once upon a time, over 40 years ago, a horde of computer scientists descended on the West German city of Dortmund. They were competing to catch an elusive quarry — only four of its kind had ever been ...

When he invented Turing machines in 1936, Alan Turing also invented modern computing. In 1928, the German mathematicians David Hilbert and Wilhelm Ackermann proposed a question called the ...