Geek_Nan OP t1_ja7mi0p wrote
Reply to comment by nicky7 in TIL: The concept of steganography which is the hiding of messages in plain sight. For example, Phyllis Latour Doyle (British spy) parachuted into France to spy on Nazis before D-day. She used knitting to record messages. by Geek_Nan
I think Morse code in knits and purls is a pretty on-point example …. And the needlework on silk strips
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