The rarest and non-crackable (until Alan Turing came) technology in the history of World War 2 is now being auctioned. Have you heard about the German's 'Enigma machine'? If yes, history taught us ...
This project by [Miro] is awesome, not only did he build a replica Enigma machine using modern technologies, but after completing it, he went back and revised several components to make it more usable ...