158,962,555,217,826,360,000 - Numberphile - Как работала портативная шифровальная машина Энигма

The Nazi’s Enigma Machine - and the mathematics behind it - was a crucial part of World War II. Dr James Grime demonstrates the machine and discusses its many configurations. James’ “day job“ is touring with the Enigma machine - he could even visit you - see more at More on Enigma coming soon, including its flaw which was exploited by the allies. Website: Numberphile on Facebook: