While Alan Turing is legendary for cracking Nazi codes during World War II, newly surfaced papers reveal he was simultaneously building a portable voice-encryption device that successfully encrypted and transmitted speech — but the project vanished after the war because nobody needed it anymore

While Alan Turing is legendary for cracking Nazi codes during World War II, newly surfaced papers reveal he was simultaneously building a portable voice-encryption device that successfully encrypted and transmitted speech — but the project vanished after the war because nobody needed it anymore

Newly revealed documents show that, while breaking Nazi codes, Turing was also building a device that almost changed military communication forever.