Reminds me of Esio Trot: https://en.wikipedia.org/wiki/Esio_Trot | Hacker News

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		bentcorner on July 21, 2015 \| parent \| context \| favorite \| on: Spraying Magnetic Stripe Cards with Iron Filings Reminds me of Esio Trot: https://en.wikipedia.org/wiki/Esio_Trot

metasean on July 21, 2015 [–]

I hadn't heard of Esio Trot, but sounds like a definite fit.

I was actually reminded of "Hidden Messages in Water" - https://duckduckgo.com/?q=%22hidden+messages+in+water%22

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