Hacker News
- Before envelopes, people protected messages with letterlocking https://www.atlasobscura.com/articles/what-did-people-do-before-envelopes-letterlocking 28 comments
Linking pages
- Pluralistic: The Coprophagic AI crisis (14 Mar 2024) – Pluralistic: Daily links from Cory Doctorow https://pluralistic.net/2024/03/14/inhuman-centipede/ 9 comments
- Deter Prying Eyes by Locking Your Own Letters - Atlas Obscura https://www.atlasobscura.com/articles/letterlocking-how-to 0 comments
- Cracking the Code of Letterlocking - Atlas Obscura https://www.atlasobscura.com/articles/letterlocking-virtual-unfolding 0 comments
- “Locked” for 300 years: Virtual unfolding has now revealed this letter’s secrets | Ars Technica https://arstechnica.com/science/2021/03/locked-for-300-years-virtual-unfolding-has-now-revealed-this-letters-secrets/ 0 comments
Linked pages
- Letterlocking: Lucy May Schofield's "Pis'ma-treigol'niki = Letters of triangles," England (2013). on Vimeo https://vimeo.com/144935628 0 comments
- Letterlocking http://letterlocking.org 0 comments
- Cracking the Code of Letterlocking - Atlas Obscura https://www.atlasobscura.com/articles/letterlocking-virtual-unfolding 0 comments
- Letterlocking: Intelligencer Simeon Foxe’s Dagger-Trap Pleated Letter sent from Venice, Italy (1601) - YouTube https://www.youtube.com/watch?v=16GAIaYN_Gk 0 comments
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