{"guid":"5a14c179-013f-5a44-a4cb-ae167aef72fc","title":"TeX Time Travel","subtitle":null,"slug":"37c3-lightningtalks-58020-tex-time-travel","link":"https://pretalx.c3voc.de/37c3-lightningtalks/talk/TBWZZ8/","description":"I tracked down a four decade old TeX file Knuth used in a lecture from 1981 and restored the printed version.\n\nOn a whim I tried to find the handout Donald E. Knuth used in an intro course for TeX back in 1981, which I watched on YouTube. After finding a few specific search strings I came across files generated during that course in a big archive of the first Stanford A.I. Laboratory, where I found much more than I had hoped, including all the original TeX files for the course, which can still be processed by TeX today, after some adjustments.","original_language":"eng","persons":["Oliver"],"tags":["37c3","58020","2023","Science",""],"view_count":742,"promoted":false,"date":"2023-12-28T16:35:00.000+01:00","release_date":"2023-12-28T00:00:00.000+01:00","updated_at":"2026-03-04T13:00:06.805+01:00","length":253,"duration":253,"thumb_url":"https://static.media.ccc.de/media/congress/2023/58020-5a14c179-013f-5a44-a4cb-ae167aef72fc.jpg","poster_url":"https://static.media.ccc.de/media/congress/2023/58020-5a14c179-013f-5a44-a4cb-ae167aef72fc_preview.jpg","timeline_url":"https://static.media.ccc.de/media/congress/2023/58020-5a14c179-013f-5a44-a4cb-ae167aef72fc.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/congress/2023/58020-5a14c179-013f-5a44-a4cb-ae167aef72fc.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/37c3-lightningtalks-58020-tex-time-travel","url":"https://api.media.ccc.de/public/events/5a14c179-013f-5a44-a4cb-ae167aef72fc","conference_title":"37C3: Lightning Talks \u0026 Clips","conference_url":"https://api.media.ccc.de/public/conferences/37c3-meta","related":[],"recordings":[{"size":16,"length":253,"mime_type":"video/webm","language":"eng","filename":"37c3-meta-58020-eng-TeX_Time_Travel_webm-hd.webm","state":"new","folder":"webm-hd","high_quality":true,"width":1920,"height":1080,"updated_at":"2023-12-28T21:51:04.834+01:00","recording_url":"https://cdn.media.ccc.de/congress/2023/clips/webm-hd/37c3-meta-58020-eng-TeX_Time_Travel_webm-hd.webm","url":"https://api.media.ccc.de/public/recordings/72452","event_url":"https://api.media.ccc.de/public/events/5a14c179-013f-5a44-a4cb-ae167aef72fc","conference_url":"https://api.media.ccc.de/public/conferences/37c3-meta"},{"size":8,"length":253,"mime_type":"video/webm","language":"eng","filename":"37c3-meta-58020-eng-TeX_Time_Travel_webm-sd.webm","state":"new","folder":"webm-sd","high_quality":false,"width":720,"height":576,"updated_at":"2023-12-28T21:40:54.617+01:00","recording_url":"https://cdn.media.ccc.de/congress/2023/clips/webm-sd/37c3-meta-58020-eng-TeX_Time_Travel_webm-sd.webm","url":"https://api.media.ccc.de/public/recordings/72440","event_url":"https://api.media.ccc.de/public/events/5a14c179-013f-5a44-a4cb-ae167aef72fc","conference_url":"https://api.media.ccc.de/public/conferences/37c3-meta"},{"size":6,"length":253,"mime_type":"video/mp4","language":"eng","filename":"37c3-meta-58020-eng-TeX_Time_Travel_sd.mp4","state":"new","folder":"h264-sd","high_quality":false,"width":720,"height":576,"updated_at":"2023-12-28T21:38:12.677+01:00","recording_url":"https://cdn.media.ccc.de/congress/2023/clips/h264-sd/37c3-meta-58020-eng-TeX_Time_Travel_sd.mp4","url":"https://api.media.ccc.de/public/recordings/72433","event_url":"https://api.media.ccc.de/public/events/5a14c179-013f-5a44-a4cb-ae167aef72fc","conference_url":"https://api.media.ccc.de/public/conferences/37c3-meta"},{"size":3,"length":250,"mime_type":"audio/mpeg","language":"eng","filename":"37c3-meta-58020-eng-TeX_Time_Travel_mp3.mp3","state":"new","folder":"mp3","high_quality":false,"width":0,"height":0,"updated_at":"2023-12-28T21:37:26.445+01:00","recording_url":"https://cdn.media.ccc.de/congress/2023/clips/mp3/37c3-meta-58020-eng-TeX_Time_Travel_mp3.mp3","url":"https://api.media.ccc.de/public/recordings/72431","event_url":"https://api.media.ccc.de/public/events/5a14c179-013f-5a44-a4cb-ae167aef72fc","conference_url":"https://api.media.ccc.de/public/conferences/37c3-meta"},{"size":2,"length":253,"mime_type":"audio/opus","language":"eng","filename":"37c3-meta-58020-eng-TeX_Time_Travel_opus.opus","state":"new","folder":"opus","high_quality":false,"width":0,"height":0,"updated_at":"2023-12-28T21:36:42.528+01:00","recording_url":"https://cdn.media.ccc.de/congress/2023/clips/opus/37c3-meta-58020-eng-TeX_Time_Travel_opus.opus","url":"https://api.media.ccc.de/public/recordings/72429","event_url":"https://api.media.ccc.de/public/events/5a14c179-013f-5a44-a4cb-ae167aef72fc","conference_url":"https://api.media.ccc.de/public/conferences/37c3-meta"},{"size":13,"length":253,"mime_type":"video/mp4","language":"eng","filename":"37c3-meta-58020-eng-TeX_Time_Travel_hd.mp4","state":"new","folder":"h264-hd","high_quality":true,"width":1920,"height":1080,"updated_at":"2023-12-28T21:36:32.764+01:00","recording_url":"https://cdn.media.ccc.de/congress/2023/clips/h264-hd/37c3-meta-58020-eng-TeX_Time_Travel_hd.mp4","url":"https://api.media.ccc.de/public/recordings/72428","event_url":"https://api.media.ccc.de/public/events/5a14c179-013f-5a44-a4cb-ae167aef72fc","conference_url":"https://api.media.ccc.de/public/conferences/37c3-meta"}]}