Short on time this morning after the Labor Day weekend, so I’ll just copy from the fine Opinio Juris blog an intersting (and off-topic) post:
Reuters has a short but fascinating article on Nazi techniques for disseminating coded messages during WW II, including hiding morse code in drawings of fashion models:
Nazi agents relayed sensitive military information using the dots and dashes of Morse code incorporated in the drawings.
Read the whole story at Morse Code in Filigree?