Thanks to the relatively high-resolution touch screen, [Mark] was able to develop a user interface for his Enigma that really gives you a feel for how the original machine worked. Obviously it’s ...

The World War II German Enigma encoding machine is something of an icon in engineering circles not just for its mechanical ingenuity but for the work of the wartime staff at Bletchley Park in ...

(SSPL/Getty Images) Peter Westcombe, founder of the Bletchley Park Trust, explains in detail how the Enigma machine works and how its codes were broken by the code-breakers at Bletchley Park.