It was high-tech encryption for an important period of time in the mid-1940s, so perhaps you can forgive us our obsession with the Enigma machine. But did you know that you can make your very own ...

Enigma machine owner David Cripps said ... for one of the earliest true computers – the Manchester Ferranti Mark 1 – and a seminal 1950 paper on computing and artificial intelligence. Professor Gavin ...

(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.

Soon after her officer training in Washington, she was recruited to a classified code-breaking team. She kept her work secret for decades, even from her family.

The original Enigma machine had an astronomical number of possible settings, changed daily, to ensure security. It was this complexity that gave the Germans confidence in its impenetrability.

(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.