Underlining what matters in higher ed and ed tech: news, vendor updates, and commentary from across the field, in one place.https://theunderline.netlify.app/source/mikecaulfield/https://mikecaulfield.substack.com/p/dont-throw-away-your-rationaleshttps://mikecaulfield.substack.com/p/dont-throw-away-your-rationalesOr how I built 46,000 description cards that still reflect my months-long journeySat, 10 Oct 2026 20:41:56 GMTMike CaulfieldVoiceshttps://mikecaulfield.substack.com/p/in-the-world-of-llms-the-descriptionhttps://mikecaulfield.substack.com/p/in-the-world-of-llms-the-descriptionThe Memex has arrived, for anyone with the sense to see it.Sat, 10 Oct 2026 02:08:31 GMTMike CaulfieldVoiceshttps://mikecaulfield.substack.com/p/yes-ai-can-watch-a-dramatic-filmhttps://mikecaulfield.substack.com/p/yes-ai-can-watch-a-dramatic-filmThe gap between what people think AI’s capabilities are and what they actually are continues to widen.Mon, 05 Oct 2026 06:06:09 GMTMike CaulfieldVoiceshttps://mikecaulfield.substack.com/p/fact-checking-a-film-by-having-thehttps://mikecaulfield.substack.com/p/fact-checking-a-film-by-having-theMy fact-checking AI agent now can stream public domain films, make contact sheets, pair that with transcribed dialogue from the audio stream, and fact-check the film summary.Wed, 30 Sep 2026 14:46:22 GMTMike CaulfieldVoiceshttps://mikecaulfield.substack.com/p/yes-when-llms-dont-use-tools-theyhttps://mikecaulfield.substack.com/p/yes-when-llms-dont-use-tools-theyAnd that’s important for nonobvious reasonsTue, 29 Sep 2026 06:13:45 GMTMike CaulfieldVoiceshttps://mikecaulfield.substack.com/p/a-sample-jev-based-classroom-activityhttps://mikecaulfield.substack.com/p/a-sample-jev-based-classroom-activityA step-by-step guide.Wed, 23 Sep 2026 00:24:47 GMTMike CaulfieldVoiceshttps://mikecaulfield.substack.com/p/jev-is-overhyped-as-a-solo-tool-buthttps://mikecaulfield.substack.com/p/jev-is-overhyped-as-a-solo-tool-butI’ll have more to say about this later, but I do think Jev is going to have a non-trivial impact on how we use AI.Tue, 22 Sep 2026 06:30:03 GMTMike CaulfieldVoiceshttps://mikecaulfield.substack.com/p/the-experts-excel-and-novices-donthttps://mikecaulfield.substack.com/p/the-experts-excel-and-novices-dontWe want technologies in classrooms that reward knowing things, it’s good actuallySun, 20 Sep 2026 00:13:05 GMTMike CaulfieldVoiceshttps://mikecaulfield.substack.com/p/prompts-can-be-poetichttps://mikecaulfield.substack.com/p/prompts-can-be-poeticIt’s worth thinking about an LLM not as something that writes, but something you write into.Sat, 12 Sep 2026 18:20:21 GMTMike CaulfieldVoiceshttps://mikecaulfield.substack.com/p/agents-are-portable-but-judgmentshttps://mikecaulfield.substack.com/p/agents-are-portable-but-judgmentsThis is a bigger problem than people realizeFri, 11 Sep 2026 05:56:54 GMTMike CaulfieldVoiceshttps://mikecaulfield.substack.com/p/cracking-stylehttps://mikecaulfield.substack.com/p/cracking-styleGetting LLMs to understand film style has been exhausting, but I’m getting closerThu, 10 Sep 2026 14:56:21 GMTMike CaulfieldVoiceshttps://mikecaulfield.substack.com/p/ai-as-fuzzy-disintermediation-somehttps://mikecaulfield.substack.com/p/ai-as-fuzzy-disintermediation-someSome thoughts I haven’t seen elsewhereMon, 07 Sep 2026 00:40:25 GMTMike CaulfieldVoiceshttps://mikecaulfield.substack.com/p/yes-googles-ai-overview-aio-stillhttps://mikecaulfield.substack.com/p/yes-googles-ai-overview-aio-stillAnd AI Mode doesn’t and we should teach students thatThu, 03 Sep 2026 14:42:05 GMTMike CaulfieldVoiceshttps://mikecaulfield.substack.com/p/neither-the-restaurants-using-aihttps://mikecaulfield.substack.com/p/neither-the-restaurants-using-aiAt enough intensity, AI snobs and AI slobs are just two sides of the same coinTue, 01 Sep 2026 13:33:10 GMTMike CaulfieldVoiceshttps://mikecaulfield.substack.com/p/just-reason-it-out-a-simple-followhttps://mikecaulfield.substack.com/p/just-reason-it-out-a-simple-followMost times we are begging the LLM to ground in search, but sometimes we need the opposite.Tue, 01 Sep 2026 01:16:01 GMTMike CaulfieldVoiceshttps://mikecaulfield.substack.com/p/note-on-masleys-i-think-the-datahttps://mikecaulfield.substack.com/p/note-on-masleys-i-think-the-dataThree related pointsWed, 26 Aug 2026 01:38:20 GMTMike CaulfieldVoiceshttps://mikecaulfield.substack.com/p/my-de-claudifying-memory-file-tohttps://mikecaulfield.substack.com/p/my-de-claudifying-memory-file-toHow I at least partially mitigate Claude Fable's ridiculous yoda-speakFri, 31 Jul 2026 06:02:44 GMTMike CaulfieldVoiceshttps://mikecaulfield.substack.com/p/blog-posts-as-llm-repair-codehttps://mikecaulfield.substack.com/p/blog-posts-as-llm-repair-codeTo Fix the Crappy Prompts Claude Wrote for You, Have Claude Read My Blog PostWed, 22 Jul 2026 02:01:33 GMTMike CaulfieldVoices